Commit graph

2117 commits

Author SHA1 Message Date
Eelco Dolstra bba3f0a308
If fallback is enabled, temporarily disable substituters after a failure
Otherwise, we just keep asking the substituter for other .narinfo
files, which can take a very long time due to retries/timeouts.
2018-09-07 17:08:43 +02:00
Eelco Dolstra 33c3f91885
Handle queryPathInfo() failure from substituters when fallback is enabled
Fixes #1990.
2018-09-07 16:35:48 +02:00
Eelco Dolstra 2d91012754
fetchurl: Respect unpack
Fixes #2393.
2018-09-05 21:22:37 +02:00
Will Dietz 28418af920 download: fix size reported to progress bar 2018-09-03 14:12:54 -05:00
Daiderd Jordan 070823baa4
Store: expose the protocol version used by a store 2018-09-02 12:54:29 +02:00
Eelco Dolstra c0c31b58a4
Add localhost alias for ::1 to the sandbox 2018-08-31 11:12:51 +02:00
Michael Bishop 0767e402f1 fix error: unknown serve command 9 2018-08-30 20:10:08 -03:00
Eelco Dolstra ebe3d2d370 Improve 'coroutine has finished' error message 2018-08-21 15:22:04 +02:00
Eelco Dolstra 17a92dfb7d Fix another 'coroutine has finished' during decompression
https://hydra.nixos.org/build/79867739
2018-08-21 15:19:20 +02:00
Symphorien Gibol 5b19a6663b ignore when listxattr fails with ENODATA
This happens on CIFS and means the remote filesystem has no extended
attributes.
2018-08-13 21:11:36 +02:00
Eelco Dolstra ada4e90267
S3BinaryCacheStore: Share TransferManager
TransferManager allocates a lot of memory (50 MiB by default), and it
might leak but I'm not sure about that. In any case it was causing
OOMs in hydra-queue-runner. So allocate only one TransferManager per
S3BinaryCacheStore.

Hopefully fixes https://github.com/NixOS/hydra/issues/586.
2018-08-09 20:48:45 +02:00
Eelco Dolstra a0b971dd9c
S3BinaryCacheStore: Don't use the transfer status callback
This callback is executed on a different thread, so exceptions thrown
from the callback are not caught:

  Aug 08 16:25:48 chef hydra-queue-runner[11967]: terminate called after throwing an instance of 'nix::Error'
  Aug 08 16:25:48 chef hydra-queue-runner[11967]:   what():  AWS error: failed to upload 's3://nix-cache/19dbddlfb0vp68g68y19p9fswrgl0bg7.ls'

Therefore, just check the transfer status after it completes. Also
include the S3 error message in the exception.
2018-08-08 21:39:11 +02:00
Bob van der Linden 58a85fa462 mention nix-store --query --roots when a path cannot be deleted 2018-08-08 21:21:21 +02:00
Eelco Dolstra ed6c646f44
Doh 2018-08-06 17:27:08 +02:00
Eelco Dolstra 7de3e00ad9
Fix setting Content-Encoding in S3 uploads
Fixes https://github.com/NixOS/nix/issues/2333 and https://github.com/NixOS/nixpkgs/issues/44337.
2018-08-06 17:20:23 +02:00
Eelco Dolstra d3761f5f8b
Fix Brotli decompression in 'nix log'
This didn't work anymore since decompression was only done in the
non-coroutine case.

Decompressors are now sinks, just like compressors.

Also fixed a bug in bzip2 API handling (we have to handle BZ_RUN_OK
rather than BZ_OK), which we didn't notice because there was a missing
'throw':

  if (ret != BZ_OK)
      CompressionError("error while compressing bzip2 file");
2018-08-06 15:40:29 +02:00
Eelco Dolstra 4361a4331f
Fix reporting of HTTP body size when a result callback is used 2018-08-06 11:31:14 +02:00
Eelco Dolstra 2825e05d21
Make adding paths via nix-store --serve run in constant memory
It adds a new operation, cmdAddToStoreNar, that does the same thing as
the corresponding nix-daemon operation, i.e. call addToStore(). This
replaces cmdImportPaths, which has the major issue that it sends the
NAR first and the store path second, thus requiring us to store the
incoming NAR either in memory or on disk until we decide what to do
with it.

For example, this reduces the memory usage of

  $ nix copy --to 'ssh://localhost?remote-store=/tmp/nix' /nix/store/95cwv4q54dc6giaqv6q6p4r02ia2km35-blender-2.79

from 267 MiB to 12 MiB.

Probably fixes #1988.
2018-08-03 21:21:16 +02:00
Eelco Dolstra 848a9375c3
Support escaping in store URIs 2018-08-03 21:20:38 +02:00
Eelco Dolstra 4e7d5f660c
SSHMaster: Bypass SSH when connecting to localhost
This is primarily useful for testing since it removes the need to have
SSH working.
2018-08-03 21:20:38 +02:00
Eelco Dolstra e268bbc054
LegacySSHStore: Add remote-store option
This is primarily useful for testing, e.g.

  $ nix copy --to 'ssh://localhost?remote-store=/tmp/nix' ...
2018-08-03 21:20:38 +02:00
Graham Christensen 49a53c1d3f s3 binary cache: support specifying an endpoint
Works for uploading and not downloading.
2018-08-02 08:19:50 -04:00
Eelco Dolstra 4b4adbc93d
Fix race downloading into a sink
This fixes 'error 10 while decompressing xz file'.

https://hydra.nixos.org/build/78308551
2018-07-31 17:26:04 +02:00
Linus Heckemann 9ac1a79882 copyPathsToStore: honour keep-going 2018-07-24 17:05:06 +02:00
Eelco Dolstra b920b90857
Detect redirect loops
Fixes #2225.
2018-06-18 10:36:19 +02:00
Eelco Dolstra 2e244fb68f
Merge pull request #2234 from symphorien/esrch2
libstore/gc.cc: ignore ESRCH when reading symlinks in /proc
2018-06-18 09:01:55 +02:00
Symphorien Gibol ef8122064b libstore/gc.cc: ignore ESRCH when reading symlinks in /proc
readlink is also affected by the problem fixed for regular files in
c567afe355df
2018-06-16 18:04:09 +02:00
Matthew Justin Bauer 6d09e4400c
Fix optimise-store.cc to skip more paths on macOS
I hate to make this such a large check but the lack of documentation means we really have no idea what's allowed. All of them reported so far have been within ".app/Contents" directories. That appears to be a safe starting point. However, I would not be surprised to also find more paths that are disallowed for instance in .framework or .bundle directories.

Fixes #2031
Fixes #2229
2018-06-14 12:34:55 -04:00
Eelco Dolstra 7902fccf6f
hashDerivationModulo(): Handle chroot stores
This makes 'nix copy --to /mnt /nix/store/bla.drv' work.
2018-06-13 18:00:54 +02:00
Eelco Dolstra 3c5d9f478d
std::random_shuffle -> std::shuffle
The former is removed in C++17.
2018-06-13 16:56:19 +02:00
Yorick 72a78beb34
Fix #2162: use getaddrinfo instead of curl to preload NSS 2018-06-12 13:05:14 +02:00
Symphorien Gibol 8c567afe35 libstore/gc.cc: ignore ESRCH when reading /proc
If a process disappears between the time /proc/[pid]/maps is opened and
the time it is read, the read() syscall will return ESRCH. This should be ignored.
2018-06-11 16:29:47 +02:00
Will Dietz 6bf7dc1baf download: if there are active requests, never sleep for 10s
In some versions/configurations libcurl doesn't handle timeouts
(especially DNS timeouts) in a way that wakes curl_multi_wait.

This doesn't appear to be a problem if using c-ares, FWIW.
2018-06-08 21:12:43 -05:00
AmineChikhaoui 170165ee5a
use debug instead of printTalkative to avoid spamming hydra queue
runner logs.
2018-06-08 11:43:32 +01:00
Eelco Dolstra 4ac4f675df
Don't require --fallback to recover from disappeared binary cache NARs 2018-06-05 16:04:41 +02:00
Eelco Dolstra 691b7582c7
Handle HTTP 410 Gone errors 2018-06-05 16:03:32 +02:00
Eelco Dolstra ca06a9cea7
Improve binary cache fallback test 2018-06-05 15:26:12 +02:00
Eelco Dolstra a2ec7a3bfd
Further improve upload messages 2018-06-05 14:37:26 +02:00
Will Dietz 54b1c59643 download.cc: fix readCallback return type (int -> size_t)
I'm not sure if curl ever asks for enough data at once
for truncation to occur but better safe than sorry.
2018-06-01 10:59:26 -05:00
Eelco Dolstra 73357500ac
Improve binary cache upload messages
Don't say "download" when we mean "upload".
2018-06-01 14:14:22 +02:00
Peter Simons 93aa3bea2e
Merge pull request #767 from mogorman/garbage_collect_keep_last_few
Implement --delete-generations + flag for keeping last N number of gens
2018-05-31 10:00:21 +02:00
Eelco Dolstra 3c2de9830d
RemoteStore::addToStore(): Ensure capacity is decreased on exceptions 2018-05-30 13:48:31 +02:00
Eelco Dolstra a4c1618876
Fix deadlock in RemoteStore::queryPathInfoUncached() 2018-05-30 13:46:14 +02:00
Eelco Dolstra 7d21863bb3
Make <nix/fetchurl.nix> run in constant memory
E.g.

  nix-build --store ~/my-nix/ -E 'import <nix/fetchurl.nix> { url = https://cache.nixos.org/nar/0nwi996rgq4b914qyx0mv2wq4k80hjac7xilikavagw7kxmn2iiv.nar.xz; sha256 = "0nwi996rgq4b914qyx0mv2wq4k80hjac7xilikavagw7kxmn2iiv"; }'

now runs in 17 MiB (was 70 MiB), while

  nix-build --store ~/my-nix/ -E 'import <nix/fetchurl.nix> { url = https://cache.nixos.org/nar/0nwi996rgq4b914qyx0mv2wq4k80hjac7xilikavagw7kxmn2iiv.nar.xz; sha256 = "0d2fxljdih3nc5dqx41hjzic3141ajil94m8kdbpryq569dpsbvb"; unpack = true; }'

runs in 17 MiB (was 346 MiB).
2018-05-30 13:42:51 +02:00
Eelco Dolstra 5a654fd7dd
getDownloader(): Simplify 2018-05-30 13:42:30 +02:00
Eelco Dolstra e87e4a60d6
Make HttpBinaryCacheStore::narFromPath() run in constant memory
This reduces memory consumption of

  nix copy --from https://cache.nixos.org --to ~/my-nix /nix/store/95cwv4q54dc6giaqv6q6p4r02ia2km35-blender-2.79

from 176 MiB to 82 MiB. (The remaining memory is probably due to xz
decompression overhead.)

Issue https://github.com/NixOS/nix/issues/1681.
Issue https://github.com/NixOS/nix/issues/1969.
2018-05-30 13:42:29 +02:00
Eelco Dolstra 08ec757726
Make LocalBinaryCacheStore::narFromPath() run in constant memory
This reduces memory consumption of

  nix copy --from file://... --to ~/my-nix /nix/store/95cwv4q54dc6giaqv6q6p4r02ia2km35-blender-2.79

from 514 MiB to 18 MiB for an uncompressed binary cache, and from 192
MiB to 53 MiB for a bzipped binary cache. It may also be faster
because fetching can happen concurrently with decompression/writing.

Continuation of 48662d151b.

Issue https://github.com/NixOS/nix/issues/1681.
2018-05-30 13:34:57 +02:00
Eelco Dolstra 81ea8bd5ce
Simplify the callback mechanism 2018-05-30 13:34:37 +02:00
Eelco Dolstra 1672bcd230
Move evaluator-specific settings out of libstore 2018-05-30 13:29:50 +02:00
Eelco Dolstra c1d445ecec
Move some Download-specific settings to download.cc 2018-05-30 13:29:50 +02:00
Eelco Dolstra 737ed88f35
Modularize config settings
Allow global config settings to be defined in multiple Config
classes. For example, this means that libutil can have settings and
evaluator settings can be moved out of libstore. The Config classes
are registered in a new GlobalConfig class to which config files
etc. are applied.

Relevant to https://github.com/NixOS/nix/issues/2009 in that it
removes the need for ad hoc handling of useCaseHack, which was the
underlying cause of that issue.
2018-05-30 13:28:01 +02:00
Eelco Dolstra e606cd412f
Fix assertion failure in storePathToHash()
Fixes https://github.com/NixOS/nix/issues/2015.
2018-05-30 13:27:19 +02:00
Eelco Dolstra 6185d25e52
Make 'nix copy --to daemon' run in constant memory (daemon side)
Continuation of 97002b684c. This makes
the daemon use constant memory. For example, it reduces the daemon's
maximum RSS on

  $ nix copy --from ~/my-nix --to daemon /nix/store/1n7x0yv8vq6zi90hfmian84vdhd04bgp-blender-2.79a

from 264 MiB to 7 MiB.

We now use a TunnelSource to prevent the connection from ending up in
an undefined state if an exception is thrown while the NAR is being
sent.

Issue https://github.com/NixOS/nix/issues/1681.
2018-05-30 13:26:48 +02:00
Eelco Dolstra 23d6bb583a
LocalStore::addToStore: Throw an exception if no hash is given 2018-05-30 13:25:40 +02:00
Eelco Dolstra 3cab639e21
Use extended SQLite error codes 2018-05-30 13:25:03 +02:00
Will Dietz ca9c6cb95d libstore/download: remove unused function "getTime()" 2018-05-25 19:49:45 -05:00
Eelco Dolstra 966407bcf1
Merge pull request #2145 from serokell/uncached-channel
make sure not to use cached channels for nix-channel --update
2018-05-15 14:57:18 +02:00
Eelco Dolstra 2b3c1b3a88
Remove mention of default since we already know the default 2018-05-10 12:06:28 +02:00
Eelco Dolstra 38def17627
Merge branch 's3-multipart-uploads' of https://github.com/AmineChikhaoui/nix 2018-05-10 12:06:02 +02:00
Yorick b9289e4855
make sure not to use cached channels for nix-channel --update
fixes #1964
2018-05-09 16:18:20 +02:00
AmineChikhaoui 854c0860f4
share the executor between multiple copy threads. 2018-05-07 15:07:00 +01:00
AmineChikhaoui 591e75cd01
add a FIXME note to find a way to abort the multipart uploads in
case the nix command is interrupted.
2018-05-07 14:27:53 +01:00
AmineChikhaoui 129394fb95
Support multi-part uploads for large NARs that exceed the size of
5Gb.
2018-05-07 14:23:51 +01:00
Eelco Dolstra c717d8e3bd
Don't set a CA assertion for paths with references
Really fixes #2133.
2018-05-03 14:49:56 +02:00
Eelco Dolstra 80a7b16593
LocalStore::addValidPath(): Throw error when the CA assertion is wrong
Closes #2133.
2018-05-03 11:02:40 +02:00
Eelco Dolstra 53ec5ac69f
Fix some random -Wconversion warnings 2018-05-02 13:56:34 +02:00
Will Dietz 8e7d77d494 globals.hh: don't use '==' to compare string literals
Saw this in logs, also reported here:

8e6108ff71 (r28707288)
2018-04-23 20:57:05 -05:00
Shea Levy 8e6108ff71
Merge branch 'aarch64-armv7' of git://github.com/lheckemann/nix
Support extra compatible architectures (#1916)
2018-04-23 08:48:22 -04:00
Shea Levy 58f9ae0dcd
Merge branch 'hash-mismatch' of git://github.com/LnL7/nix 2018-04-23 08:40:34 -04:00
Peter Simons 040acdcee2
Merge pull request #1707 from dtzWill/fix/issue-1692
ignore "interrupted" exception in progress callback
2018-04-21 16:51:19 +02:00
Daiderd Jordan 13d4d1c0a2
download: make hash mismatch error consistent with fetchurl 2018-04-20 21:07:32 +02:00
Will Dietz 6d9129014d build.cc: fix bind-mount of /dev/{pts,ptmx} fallback
Don't bind-mount these to themselves,
mount them into the chroot directory.

Fixes pty issues when using sandbox on CentOS 7.4.
(build of perlPackages.IOTty fails before this change)
2018-04-20 12:24:23 -05:00
Eelco Dolstra c74f838620
exportReferences: Check whether the path is in the input closure
Fixes #2082.
2018-04-17 12:03:27 +02:00
Eelco Dolstra d34fa2bcc3
Fix #1921 2018-04-13 15:42:35 +02:00
Shea Levy dc0a542c9f
initPlugins: Fix dlopen error message. 2018-04-11 21:02:50 -04:00
Eelco Dolstra d6aaa35478
Fix perl-bindings
https://hydra.nixos.org/build/72636781
2018-04-10 13:11:43 +02:00
Shea Levy a38fe5c1a8
Export required C++ version in pkgconfig. 2018-04-09 11:32:43 -04:00
AmineChikhaoui 62d75ad3e1
rename the options to mention it's a narinfo TTL as disk cache is used all over the place for other operations 2018-04-06 11:05:15 +01:00
AmineChikhaoui 86930ed414
add documentation for the local disk cache TTL config 2018-04-06 10:51:18 +01:00
AmineChikhaoui 2855c3d965
Make the TTL for disk cache configurable, we can now completely disable
disk cache lookup for example by doing:
  nix copy --from <binary-cahe> <store-path> --option \
  positive-disk-cache-ttl 0

Issues: #1885 #2035
2018-04-06 10:51:18 +01:00
Eelco Dolstra 1d9742b95f
<nix/buildenv.nix>: Ignore dangling symlinks
Fixes

  error: getting status of '/nix/store/j8p0vv89k1pf0cn7kmfsdcs7bshwga1i-firefox-52.7.2esr/share/icons/hicolor/48x48/apps/firefox.png': No such file or directory

https://github.com/NixOS/nix/issues/1934

Also improve error message on directory/non-directory collisions.
2018-04-05 20:04:42 +02:00
Eelco Dolstra 5c904e10eb
<nix/buildenv.nix>: Skip non-directory top-level paths
Fixes https://github.com/NixOS/nix/issues/1934 (at least the "error:
opening directory '/nix/store/...-linux-config-4.4.14': Not a
directory" issue).
2018-04-05 19:34:56 +02:00
Eelco Dolstra 2b61c74922
Process --option use-case-hack properly
Fixes https://github.com/NixOS/nix/issues/2009.
2018-03-29 12:28:29 +02:00
Eelco Dolstra 9d1220a01d
ValidPathInfo::isContentAddressed(): Ensure there are no references 2018-03-29 12:27:42 +02:00
Will Dietz 74da813912 download: improve error for hash mismatch ("store mismatch")
Fixes #1905
2018-03-22 15:22:06 -05:00
Will Dietz 59b32403f2 download.cc: fix path for cached files 2018-03-22 15:05:46 -05:00
Eelco Dolstra f87e286e82
Merge branch 'fix/avoid-large-stack-buffers' of https://github.com/dtzWill/nix 2018-03-22 13:19:25 +01:00
Eelco Dolstra ec91840e70 Also make the backwards compatible case of RemoteStore::addToStore run in constant memory
Just because we can.
2018-03-21 23:46:03 +01:00
Eelco Dolstra 97002b684c Make 'nix copy --to daemon' run in constant memory 2018-03-21 23:42:52 +01:00
Eelco Dolstra 11898d6a37 Make 'nix copy --to ssh://...' run in constant memory 2018-03-21 23:13:06 +01:00
Eelco Dolstra 47f7e5585b Make 'nix copy --from ssh://...' run in constant memory
For instance, this reduced the memory consumption of

  $ nix copy --from ssh://localhost --to ~/my-nix /nix/store/1n7x0yv8vq6zi90hfmian84vdhd04bgp-blender-2.79a

from 632 MiB to 16 MiB.
2018-03-21 23:10:40 +01:00
Eelco Dolstra 8615cfb130
LegacySSHStore: Allow overriding the path to nix-store 2018-03-21 15:10:46 +01:00
Eelco Dolstra 668ac3ea2c
Make <nix/buildenv.nix> a builtin builder
This avoids sandbox annoyances.
2018-03-20 17:28:09 +01:00
Eelco Dolstra 9d40787938
Move builtinFetchurl to its own file 2018-03-20 17:01:36 +01:00
Eelco Dolstra 5df427f35b
Slight simplification 2018-03-20 16:32:59 +01:00
Eelco Dolstra 21ebf6a160
SSHMaster: Optionally pass -v to ssh 2018-03-20 15:30:55 +01:00
Eelco Dolstra 1aca195e52
Hack to get SSH error messages from build-remote
E.g.

  cannot build on 'ssh://mac1': cannot connect to 'mac1': bash: nix-store: command not found
  cannot build on 'ssh://mac2': cannot connect to 'mac2': Host key verification failed.
  cannot build on 'ssh://mac3': cannot connect to 'mac3': Received disconnect from 213... port 6001:2: Too many authentication failures
  Authentication failed.
2018-03-20 15:25:26 +01:00
Linus Heckemann 637701b604 rename build-extra-platforms -> extra-platforms
also document it
2018-03-16 22:50:27 +00:00
Eelco Dolstra 48662d151b
Reduce substitution memory consumption
copyStorePath() now pipes the output of srcStore->narFromPath()
directly into dstStore->addToStore(). The sink used by the former is
converted into a source usable by the latter using
boost::coroutine2. This is based on [1].

This reduces the maximum resident size of

  $ nix build --store ~/my-nix/ /nix/store/b0zlxla7dmy1iwc3g459rjznx59797xy-binutils-2.28.1 --substituters file:///tmp/binary-cache-xz/ --no-require-sigs

from 418592 KiB to 53416 KiB. (The previous commit also reduced the
runtime from ~4.2s to ~3.4s, not sure why.) A further improvement will
be to download files into a Sink.

[1] https://github.com/NixOS/nix/compare/master...Mathnerd314:dump-fix-coroutine#diff-dcbcac55a634031f9cc73707da6e4b18

Issue #1969.
2018-03-16 20:35:59 +01:00
Eelco Dolstra 3e6b194d78
decompress(): Use a Source and Sink
This allows decompression to happen in O(1) memory.
2018-03-16 20:35:59 +01:00
Eelco Dolstra eb75bc5afb
Don't retry on CURLE_SSL_CACERT_BADFILE
The certificates won't get any better if we retry.
2018-03-16 12:03:18 +01:00
Eelco Dolstra 7b8914825a
Merge pull request #1965 from masaeedu/master
Wrap thread local in function for Cygwin
2018-03-15 14:56:21 +01:00
Shea Levy cfdbfa6b2c
Catch more possible instances of passing NULL to memcpy.
Actually fixes #1976.
2018-03-14 23:53:43 -04:00
Eelco Dolstra ca14b14200
Use boost::format from the boost package
Note that this only requires headers from boost so it doesn't add a
runtime dependency.

Also, use Nixpkgs 18.03.
2018-03-14 19:24:04 +01:00
Eelco Dolstra 6e60141a80
Typo 2018-03-13 17:48:09 +01:00
Asad Saeeduddin be54f4a0b6 Wrap thread local in function for Cygwin
Fixes #1826. See #1352 for a previous instance of a similar change.
2018-03-12 00:56:41 -04:00
Eelco Dolstra 16551f54c9
Fix #1957 2018-03-07 11:40:50 +01:00
Will Dietz 56253bb08f rand() -> random(), since we use srandom().
rand() requires we call srand() instead,
but might as well use random().
2018-03-06 17:44:25 -06:00
Shea Levy 088ef81759
ssh-ng: Don't forward options to the daemon.
This can be iterated on and currently leaves out settings we know we
want to forward, but it fixes #1713 and fixes #1935 and isn't
fundamentally broken like the status quo. Future changes are suggested
in a comment.
2018-03-05 07:42:15 -05:00
Will Dietz 6b9a03f5d8 hoist vector out of loop just in case 2018-03-02 10:52:05 -06:00
Will Dietz c89a3d5368 don't allocate large buffers on the stack 2018-03-02 10:52:04 -06:00
Matthew O'Gorman 467fdd8ca4 only delete things older than current gen and update logic in doc as
well
2018-03-01 22:59:00 -05:00
Matthew O'Gorman 3c16044cb0 remove unused variable and make sure to check that the current
generation is not the one we are deleting
2018-03-01 22:22:02 -05:00
Matthew O'Gorman 0312d30315 this updates issues that were addressed by people in pr 2018-03-01 21:47:57 -05:00
Matthew O'Gorman 429154b74c Implement --delete-generations + flag for keeping last N number of generations 2018-03-01 21:47:57 -05:00
Linus Heckemann 919c3c20b3 seccomp: add 32-bit ARM on aarch64-linux
This allows building armv[67]l-linux derivations on compatible aarch64
machines. Failure to add the architecture may result from missing
hardware support, in which case we can't run 32-bit binaries and don't
need to restrict them with seccomp anyway,
2018-02-27 00:32:15 +00:00
Linus Heckemann eb03a296c1 Add build-extra-platforms setting
This allows specifying additional systems that a machine is able to
build for. This may apply on some armv7-capable aarch64 processors, or
on systems using qemu-user with binfmt-misc to support transparent
execution of foreign-arch programs.

This removes the previous hard-coded assumptions about which systems are
ABI-compatible with which other systems, and instead relies on the user
to specify any additional platforms that they have ensured compatibility
for and wish to build for locally.

NixOS should probably add i686-linux on x86_64-linux systems for this
setting by default.
2018-02-27 00:27:58 +00:00
Eelco Dolstra 64e486ab63
Fix downloadCached() with a chroot store
E.g.

  nix run --store ~/my-nix -f channel:nixos-17.03 hello -c hello

This problem was mentioned in #1897.
2018-02-23 13:00:42 +01:00
Eelco Dolstra e8d53bfdc9
Revert "Enable sandbox builds on Linux by default"
This reverts commit ddc58e7896.

https://hydra.nixos.org/eval/1435322
2018-02-22 14:20:07 +01:00
Eelco Dolstra ddc58e7896
Enable sandbox builds on Linux by default
The overhead of sandbox builds is a problem on NixOS (since building a
NixOS configuration involves a lot of small derivations) but not for
typical non-NixOS use cases. So outside of NixOS we can enable it.

Issue #179.
2018-02-22 12:27:25 +01:00
Eelco Dolstra d4e93532e2
Fix incorrect (and unnecessary) format string
https://hydra.nixos.org/eval/1434547#tabs-now-fail
2018-02-19 20:46:39 +01:00
Shea Levy e59a8a63e1
Don't silently succeed seccomp setup when !HAVE_SECCOMP.
Running Nix with build users without seccomp on Linux is dangerous,
and administrators should very explicitly opt-in to it.
2018-02-19 09:56:24 -05:00
Eelco Dolstra 75a1d96cfd
Merge branch 'register-settings' of https://github.com/shlevy/nix 2018-02-19 13:58:34 +01:00
Shea Levy 690ac7c90b
configure: Add a flag to disable seccomp.
This is needed for new arches where libseccomp support doesn't exist
yet.

Fixes #1878.
2018-02-18 02:35:01 -05:00
Matthew Bauer 8f186722a9 Set backup MANPATH in case man path isn’t set correctly.
Previously, this would fail at startup for non-NixOS installs:

nix-env --help

The fix for this is to just use "nixManDir" as the value for MANPATH
when spawning "man".

To test this, I’m using the following:

$ nix-build release.nix -A build
$ MANPATH= ./result/bin/nix-env --help

Fixes #1627
2018-02-15 10:20:02 -06:00
Shea Levy de4934ab3b
Allow plugins to define new settings. 2018-02-13 14:43:32 -05:00
Shea Levy b8739f2fb3
Enable specifying directories in plugin-files. 2018-02-13 11:25:01 -05:00
Eelco Dolstra 1c10a74c73
Merge branch 'plugins' of https://github.com/shlevy/nix 2018-02-13 12:15:27 +01:00
Eelco Dolstra 9bcb4d2dd9 Fix hang in build-remote 2018-02-12 22:48:55 +01:00
Eelco Dolstra 4f09ce7940
Fix 'deadlock: trying to re-acquire self-held lock'
This was caused by derivations with 'allowSubstitutes = false'. Such
derivations will be built locally. However, if there is another
SubstitionGoal that has the output of the first derivation in its
closure, then the path will be simultaneously built and substituted.

There was a check to catch this situation (via pathIsLockedByMe()),
but it no longer worked reliably because substitutions are now done in
another thread. (Thus the comment 'It can't happen between here and
the lockPaths() call below because we're not allowing multi-threading'
was no longer valid.)

The fix is to handle the path already being locked in both
SubstitutionGoal and DerivationGoal.
2018-02-12 17:06:06 +01:00
Eelco Dolstra 960e9c560e
nix: Ensure that the user sees errors from substituters 2018-02-09 15:06:47 +01:00
Eelco Dolstra aa02cdc33c
getDefaultSubstituters(): Skip broken substituters
Fixes #1340.
2018-02-09 15:06:47 +01:00
Shea Levy 88cd2d41ac
Add plugins to make Nix more extensible.
All plugins in plugin-files will be dlopened, allowing them to
statically construct instances of the various Register* types Nix
supports.
2018-02-08 12:44:37 -05:00
AmineChikhaoui 47ad88099b
move the parallel-compression setting to binary-cache-store, the setting
can be done now from the url e.g s3://nix-cache?parallel-compression=1
instead of nix.conf.
2018-02-07 21:06:11 +01:00
AmineChikhaoui 55ecdfe2a8
make multi threaded compression configurable and use single threaded
by default.
2018-02-07 17:54:08 +01:00
Eelco Dolstra 84989d3af2
Improve filtering of ANSI escape sequences in build logs
All ANSI sequences except color setting are now filtered out. In
particular, terminal resets (such as from NixOS VM tests) are filtered
out.

Also, fix the completely broken tab character handling.
2018-02-07 15:23:57 +01:00
Eelco Dolstra abe6be578b
Merge pull request #1816 from shlevy/add-path
Add path primop.
2018-02-07 13:32:35 +01:00
Shea Levy 69d82e5c58
Add path primop.
builtins.path allows specifying the name of a path (which makes paths
with store-illegal names now addable), allows adding paths with flat
instead of recursive hashes, allows specifying a filter (so is a
generalization of filterSource), and allows specifying an expected
hash (enabling safe path adding in pure mode).
2018-02-06 16:48:08 -05:00
Eelco Dolstra bb1d046f5c
Allow substituters to be marked as trusted
This is needed by nixos-install, which uses the Nix store on the
installation CD as a substituter. We don't want to disable signature
checking entirely because substitutes from cache.nixos.org should
still be checked. So now we can pas "local?trusted=1" to mark only the
Nix store in /nix as not requiring signatures.

Fixes #1819.
2018-02-05 18:08:30 +01:00
Eelco Dolstra 2175eee9fe
Fix segfault using non-binary cache stores as substituters 2018-02-05 17:46:43 +01:00
Eelco Dolstra 84722d67d2
Remove nix-build --hash
Instead, if a fixed-output derivation produces has an incorrect output
hash, we now unconditionally move the outputs to the path
corresponding with the actual hash and register it as valid. Thus,
after correcting the hash in the Nix expression (e.g. in a fetchurl
call), the fixed-output derivation doesn't have to be built again.

It would still be good to have a command for reporting the actual hash
of a fixed-output derivation (instead of throwing an error), but
"nix-build --hash" didn't do that.
2018-02-03 10:08:05 +01:00
Shea Levy de96daf54f
Merge branch 'master' of git://github.com/catern/nix 2018-02-01 13:21:45 -05:00
Eelco Dolstra 855699855f
Remove obsolete references to manifests
Closes #323.
2018-02-01 10:39:16 +01:00
Spencer Baugh e5432574e2 document ability to set NIX_REMOTE=unix://path/to/socket 2018-01-31 22:47:16 +00:00
Eelco Dolstra c129fc6ee8
Merge pull request #1801 from catern/master
remote_store: register for NIX_REMOTE=unix://path
2018-01-31 23:12:39 +01:00
Eelco Dolstra 88f4f0231b Fix building without aws-sdk-cpp 2018-01-31 22:34:51 +01:00
Eelco Dolstra c287d73121
Rename 1.12 -> 2.0
Following discussion with Shea and Graham. It's a big enough change
from the last release. Also, from a semver perspective, 2.0 makes more
sense because we did remove some interfaces (like nix-pull/nix-push).
2018-01-31 18:58:45 +01:00
Eelco Dolstra 30370f168f
Cleanup 2018-01-31 15:14:03 +01:00
Eelco Dolstra 6270b2e50f
Merge branch 'http-binary-cache-put-upsert' of https://github.com/adelbertc/nix 2018-01-31 15:10:12 +01:00
Eelco Dolstra 478e3e4649
Indent properly 2018-01-31 13:46:38 +01:00
Spencer Baugh 746f8aed86 remote_store: register for NIX_REMOTE=unix://path
This allows overriding the socket path so the daemon may be listening at
an arbitrary Unix domain socket location.

Fixes #1800
2018-01-26 22:05:16 +00:00
Shea Levy 1d5d277ac7
HttpBinaryCacheStore: Support upsertFile with PUT.
Some servers, such as Artifactory, allow uploading with PUT and BASIC
auth. This allows nix copy to work to upload binaries to those
servers.

Worked on together with @adelbertc
2018-01-26 11:12:30 -08:00
Eelco Dolstra e09161d05c
Remove signed-binary-caches as the default for require-sigs
This was for backward compatibility. However, with security-related
configuration settings, it's best not to have any confusion.

Issue #495.
2018-01-26 17:12:15 +01:00
Dan Peebles d43a8b25f0 Fix obscure corner case in name resolution for builtin:fetchurl in sandboxed environments 2018-01-23 14:45:50 -05:00
Eelco Dolstra 3c4c30eadd
Rewrite builtin derivation environment
Also add a test.

Fixes #1803.
Closes #1805.
2018-01-19 15:00:38 +01:00
Eelco Dolstra 2896bb6826
Don't retry CURLE_URL_MALFORMAT 2018-01-19 14:05:08 +01:00
Eelco Dolstra 75b9670df6
Make show-trace a config setting 2018-01-16 19:24:23 +01:00
Eelco Dolstra d4dcffd643
Add pure evaluation mode
In this mode, the following restrictions apply:

* The builtins currentTime, currentSystem and storePath throw an
  error.

* $NIX_PATH and -I are ignored.

* fetchGit and fetchMercurial require a revision hash.

* fetchurl and fetchTarball require a sha256 attribute.

* No file system access is allowed outside of the paths returned by
  fetch{Git,Mercurial,url,Tarball}. Thus 'nix build -f ./foo.nix' is
  not allowed.

Thus, the evaluation result is completely reproducible from the
command line arguments. E.g.

  nix build --pure-eval '(
    let
      nix = fetchGit { url = https://github.com/NixOS/nixpkgs.git; rev = "9c927de4b179a6dd210dd88d34bda8af4b575680"; };
      nixpkgs = fetchGit { url = https://github.com/NixOS/nixpkgs.git; ref = "release-17.09"; rev = "66b4de79e3841530e6d9c6baf98702aa1f7124e4"; };
    in (import (nix + "/release.nix") { inherit nix nixpkgs; }).build.x86_64-linux
  )'

The goal is to enable completely reproducible and traceable
evaluation. For example, a NixOS configuration could be fully
described by a single Git commit hash. 'nixos-rebuild' would do
something like

  nix build --pure-eval '(
    (import (fetchGit { url = file:///my-nixos-config; rev = "..."; })).system
  ')

where the Git repository /my-nixos-config would use further fetchGit
calls or Git externals to fetch Nixpkgs and whatever other
dependencies it has. Either way, the commit hash would uniquely
identify the NixOS configuration and allow it to reproduced.
2018-01-16 19:23:18 +01:00
Eelco Dolstra ba75c69e00
Barf when using a diverted store on macOS
Fixes #1792.
2018-01-15 12:14:43 +01:00
Eelco Dolstra 74f75c8558
import, builtins.readFile: Handle diverted stores
Fixes #1791
2018-01-12 17:31:08 +01:00
Renzo Carbonara b0328c244d nix.conf: builders-use-substitutes
Fixes #937
2018-01-09 22:40:07 +01:00
Eelco Dolstra 44272d8719
Rename "use-substitutes" to "substitute"
Commit c2154d4c84 renamed
"build-use-substitutes" to "use-substitutes", but that broke
"nix-copy-closure --use-substitutes".
2018-01-04 16:58:39 +01:00
Eelco Dolstra aa43cbb764
Check aws-sdk-cpp version 2017-12-22 12:05:13 +01:00
Eelco Dolstra 8efe937a35 Fix build on gcc 7
Fixes #1738.
2017-12-16 00:49:31 +01:00
Eelco Dolstra 5d5b931fb1 Fix build against current aws-sdk-cpp 2017-12-14 16:45:40 +01:00
Eelco Dolstra 1ca8e95178
Merge pull request #1722 from bhipple/fix-for-older-libcurl
Fix for builds with system libcurl < 7.30
2017-12-12 11:48:08 +01:00
Will Dietz 00e0c416ff Mark comparison call operator as const 2017-12-11 12:08:40 -06:00
Benjamin Hipple d76c4fe770 Fix for builds with system libcurl < 7.30
CentOS 7.4 and RHEL 7.4 ship with libcurl-devel-7.29.0-42.el7.x86_64; this flag
was added in 7.30.0
https://curl.haxx.se/libcurl/c/CURLMOPT_MAX_TOTAL_CONNECTIONS.html
2017-12-09 20:02:21 -05:00
Eelco Dolstra 2df9cbeb47 Provide random access to cached NARs
E.g.

  $ time nix cat-store --store https://cache.nixos.org?local-nar-cache=/tmp/nars \
    /nix/store/b0w2hafndl09h64fhb86kw6bmhbmnpm1-blender-2.79/share/icons/hicolor/scalable/apps/blender.svg > /dev/null
  real    0m4.139s

  $ time nix cat-store --store https://cache.nixos.org?local-nar-cache=/tmp/nars \
    /nix/store/b0w2hafndl09h64fhb86kw6bmhbmnpm1-blender-2.79/share/icons/hicolor/scalable/apps/blender.svg > /dev/null
  real    0m0.024s

(Before, the second call took ~0.220s.)

This will use a NAR listing in
/tmp/nars/b0w2hafndl09h64fhb86kw6bmhbmnpm1.ls containing all metadata,
including the offsets of regular files inside the NAR. Thus, we don't
need to read the entire NAR. (We do read the entire listing, but
that's generally pretty small. We could use a SQLite DB by borrowing
some more code from nixos-channel-scripts/file-cache.hh.)

This is primarily useful when Hydra is serving files from an S3 binary
cache, in particular when you have giant NARs. E.g. we had some 12 GiB
NARs, so accessing individuals files was pretty slow.
2017-12-07 01:07:07 +01:00
Eelco Dolstra 338f29dbd4 nix ls-{nar,store}: Return offset of files in the NAR if known
E.g.

  $ nix ls-store --json --recursive --store https://cache.nixos.org /nix/store/b0w2hafndl09h64fhb86kw6bmhbmnpm1-blender-2.79 \
    | jq .entries.bin.entries.blender.narOffset
  400
2017-12-07 01:07:07 +01:00
Daiderd Jordan 2cb8aaa610
ssh-store: fix length when writing nar
This fixes nix copy and other things that use copyStorePath.
2017-12-06 11:41:08 +01:00
Will Dietz 79f5c296c0 ignore "interrupted" exception in progress callback
Context/discusson:

https://github.com/NixOS/nix/issues/1692#issuecomment-348282301
2017-11-30 12:45:54 -06:00
Eelco Dolstra b52846ab5b
Show log tail when a remote build fails 2017-11-28 15:36:28 +01:00
Eelco Dolstra 549c3706a5
nix path-info: Show URL of NARs in binary caches 2017-11-24 18:08:50 +01:00
Eelco Dolstra 6cdaa858d0
Propagate flags like --sandbox to the daemon properly 2017-11-21 18:50:56 +01:00
Eelco Dolstra 91a1987607
signed-binary-caches -> require-sigs
Unlike signed-binary-caches (which could only be '*' or ''),
require-sigs is a proper Boolean option. The default is true.
2017-11-20 17:44:07 +01:00
Eelco Dolstra 7a2b64e55c
binary-cache-public-keys -> trusted-public-keys
The name had become a misnomer since it's not only for substitution
from binary caches, but when adding/copying any
(non-content-addressed) path to a store.
2017-11-20 17:32:34 +01:00
Eelco Dolstra 7474ac871b
nix copy: Abbreviate "daemon" 2017-11-20 15:17:11 +01:00
Eelco Dolstra 8956ae1987
Add a "profile" option to S3BinaryCacheStore
This allows specifying the AWS configuration profile to use. E.g.

  nix copy --from s3://my-cache?profile=aws-dev-account /nix/store/cf3isrlqavvd5w7rpky1fa8j9lcnlggm-...
2017-11-15 14:18:20 +01:00
Eelco Dolstra ec5b04862b
nix sign-paths: Support binary caches 2017-11-14 18:44:05 +01:00
Eelco Dolstra 5773d667ee
nix ls-{nar,store}: Don't abort on missing files 2017-11-14 14:49:06 +01:00
Eelco Dolstra 4db0a9555e
nix ls-{nar,store} --json: Respect -R 2017-11-14 14:31:38 +01:00
Eelco Dolstra bac8055652
nix ls-{store,nar}: Add --json flag 2017-11-14 14:23:53 +01:00
Eelco Dolstra 9d87d03331
Remove extraneous comment 2017-11-08 16:17:32 +01:00
Eelco Dolstra 513b143cd8
Merge pull request #1650 from copumpkin/darwin-sandbox-unix-socket
Always allow builds to use unix domain sockets in Darwin sandbox
2017-11-08 16:16:42 +01:00
Eelco Dolstra dc30856141
Merge pull request #1632 from AmineChikhaoui/sigint-copy
run query paths in parallel during nix copy and handle SIGINT
2017-11-06 13:36:28 +01:00
Eelco Dolstra 9ccea31dc2
Merge pull request #1651 from LnL7/darwin-sandbox-getpwuid
Allow getpwuid in the darwin sandbox
2017-11-03 10:55:31 +01:00
Daiderd Jordan 453f675810
Allow getpwuid in the darwin sandbox. 2017-11-03 10:50:49 +01:00
Daniel Peebles 3105679226 Don't freak out if we get a 403 from S3
As far as we're concerned, not being able to access a file just means
the file is missing. Plus, AWS explicitly goes out of its way to
return a 403 if the file is missing and the requester doesn't have
permission to list the bucket.

Also getting rid of an old hack that Eelco said was only relevant
to an older AWS SDK.
2017-11-03 01:31:42 +01:00
Eelco Dolstra 1969f357b7
Add fetchMercurial primop
E.g.

  $ nix eval '(fetchMercurial https://www.mercurial-scm.org/repo/hello)'
  { branch = "default"; outPath = "/nix/store/alvb9y1kfz42bjishqmyy3pphnrh1pfa-source"; rev = "82e55d328c8ca4ee16520036c0aaace03a5beb65"; revCount = 1; shortRev = "82e55d328c8c"; }

  $ nix eval '(fetchMercurial { url = https://www.mercurial-scm.org/repo/hello; rev = "0a04b987be5ae354b710cefeba0e2d9de7ad41a9"; })'
  { branch = "default"; outPath = "/nix/store/alvb9y1kfz42bjishqmyy3pphnrh1pfa-source"; rev = "0a04b987be5ae354b710cefeba0e2d9de7ad41a9"; revCount = 0; shortRev = "0a04b987be5a"; }

  $ nix eval '(fetchMercurial /tmp/unclean-hg-tree)'
  { branch = "default"; outPath = "/nix/store/cm750cdw1x8wfpm3jq7mz09r30l9r024-source"; rev = "0000000000000000000000000000000000000000"; revCount = 0; shortRev = "000000000000"; }
2017-11-01 17:45:32 +01:00
Dan Peebles bc6b3f7e8f Always allow builds to use unix domain sockets in Darwin sandbox 2017-10-31 15:33:57 +01:00
Eelco Dolstra 197922ea4e
Merge pull request #1646 from copumpkin/optional-sandbox-local-network
Allow optional localhost network access to sandboxed derivations
2017-10-30 18:54:40 +01:00
Dan Peebles 4a4a009f78 Allow optional localhost network access to sandboxed derivations
This will allow bind and connect to 127.0.0.1, which can reduce purity/
security (if you're running a vulnerable service on localhost) but is
also needed for a ton of test suites, so I'm leaving it turned off by
default but allowing certain derivations to turn it on as needed.

It also allows DNS resolution of arbitrary hostnames but I haven't found
a way to avoid that. In principle I'd just want to allow resolving
localhost but that doesn't seem to be possible.

I don't think this belongs under `build-use-sandbox = relaxed` because we
want it on Hydra and I don't think it's the end of the world.
2017-10-30 17:59:12 +01:00
Eelco Dolstra 812e027e1d
Add option allowed-uris
This allows network access in restricted eval mode.
2017-10-30 12:41:49 +01:00
Eelco Dolstra f9686885be
enable-http2 -> http2 2017-10-30 11:00:59 +01:00
Eelco Dolstra 66ddbef754
fetchurl/fetchTarball: Respect name changes
The computation of urlHash didn't take the name into account, so
subsequent fetchurl calls with the same URL but a different name would
resolve to the same cached store path.
2017-10-30 10:22:58 +01:00
AmineChikhaoui 0f9a7225ab respect SIGINT in nix copy during the paths queries #1629 2017-10-25 16:51:45 +01:00
AmineChikhaoui 54a2cd9ce4 Merge branch 'master' of github.com:NixOS/nix into sigint-copy 2017-10-25 16:50:52 +01:00
Eelco Dolstra 9971d875a4
Fix building on clang
https://hydra.nixos.org/build/62945761
2017-10-25 17:20:47 +02:00
AmineChikhaoui 9f01a3f0a8 attempt to fix #1630: make the queries of store paths run in parallel using a thread pool 2017-10-25 16:13:49 +01:00
Eelco Dolstra 82327e3cc4
exportReferencesGraph: Allow exporting a list of store paths 2017-10-25 15:18:49 +02:00
Eelco Dolstra 3395e3bbc4
Fix exportReferencesGraph in the structured attrs case 2017-10-25 14:08:29 +02:00
Eelco Dolstra 2d5b1b24bf
Pass lists/attrsets to bash as (associative) arrays 2017-10-25 13:01:50 +02:00
Eelco Dolstra d16fd24973
Allow shorter syntax for chroot stores
You can now say '--store /tmp/nix' instead of '--store local?root=/tmp/nix'.
2017-10-24 15:32:38 +02:00
Eelco Dolstra 3460e4cf00
More progress indicator improvements
In particular, don't show superfluous "fetching path" and "building
path(s)" messages, and show the current round (with --repeat).
2017-10-24 15:32:38 +02:00
Eelco Dolstra 96051dd057
More progress indicator improvements
Fixes #1599.
2017-10-24 14:47:23 +02:00
Eelco Dolstra be220702a7
Progress indicator: Show on what machine we're building
E.g.

  $ nix build nixpkgs.hello --builders 'root@wendy'
  [1/0/1 built] building hello-2.10 on ssh://root@wendy: checking for minix/config.h... no
2017-10-24 14:24:57 +02:00
Eelco Dolstra fe9d2f974d
Handle log messages from build-remote
This makes the progress indicator show statuses like "connecting to
'root@machine'".
2017-10-24 14:05:22 +02:00
Eelco Dolstra 0d59f1ca49
nix: Respect -I, --arg, --argstr
Also, random cleanup to argument handling.
2017-10-24 12:58:34 +02:00
Eelco Dolstra 25f32625e2
Remove the remote-builds option
This is superfluous since you can now just set "builders" to empty,
e.g. "--builders ''".
2017-10-24 11:00:16 +02:00
Eelco Dolstra af241ae7d3
Remove the builder-files option
You can now include files via the "builders" option, using the syntax
"@<filename>". Having only one option makes it easier to override
builders completely.

For backward compatibility, the default is "@/etc/nix/machines", or
"@<filename>" for each file name in NIX_REMOTE_SYSTEMS.
2017-10-24 10:54:43 +02:00
Eelco Dolstra 37fbfffd8e
Pass all settings to build-remote
This ensures that command line flags such as --builders get passed
correctly.
2017-10-23 20:50:28 +02:00
Eelco Dolstra f32cdc4fab
Turn $NIX_REMOTE into a configuration option 2017-10-23 20:50:28 +02:00
Eelco Dolstra f31c66d392 Merge pull request #1616 from copumpkin/separate-darwin-sandbox
Shift Darwin sandbox to separate installed files
2017-10-20 12:00:27 +02:00
Eelco Dolstra ef1d0142a0
Revert "Let's not populate the NAR cache from hydra-queue-runner for now"
This reverts commit 908590dc6c. Since
hydra-server can have a different store URI from hydra-queue-runner
now, we don't really need this.
2017-10-19 12:11:07 +02:00
Eelco Dolstra 908590dc6c
Let's not populate the NAR cache from hydra-queue-runner for now 2017-10-18 15:45:39 +02:00
Eelco Dolstra 75cd75b1ae
Errors writing to the NAR cache should not be fatal 2017-10-18 15:41:14 +02:00
Eelco Dolstra d8306148e0
Suppress "copying 0 paths" message 2017-10-18 15:02:58 +02:00
Dan Peebles 6e5165b773 Shift Darwin sandbox to separate installed files
This makes it slightly more manageable to see at a glance what in a
build's sandbox profile is unique to the build and what is standard. Also
a first step to factoring more of our Darwin logic into scheme functions
that will allow us a bit more flexibility. And of course less of that
nasty codegen in C++! 😀
2017-10-17 19:15:51 -04:00
Eelco Dolstra b24b8ef77c BinaryCacheStore::addToStore(): Add NARs to the local cache 2017-10-17 21:39:48 +02:00
Eelco Dolstra ca580bec35 BinaryCacheStore: Support local caching of NARs
This speeds up commands like "nix cat-store". For example:

  $ time nix cat-store --store https://cache.nixos.org?local-nar-cache=/tmp/nar-cache /nix/store/i60yncmq6w9dyv37zd2k454g0fkl3arl-systemd-234/etc/udev/udev.conf
  real    0m4.336s

  $ time nix cat-store --store https://cache.nixos.org?local-nar-cache=/tmp/nar-cache /nix/store/i60yncmq6w9dyv37zd2k454g0fkl3arl-systemd-234/etc/udev/udev.conf
  real    0m0.045s

The primary motivation is to allow hydra-server to serve files from S3
binary caches. Previously Hydra had a hack to do "nix-store -r
<path>", but that fetches the entire closure so is prohibitively
expensive.

There is no garbage collection of the NAR cache yet. Also, the entire
NAR is read when accessing a single member file. We could generate the
NAR listing to provide random access.

Note: the NAR cache is indexed by the store path hash, not the content
hash, so NAR caches should not be shared between binary caches, unless
you're sure that all your builds are binary-reproducible.
2017-10-17 21:15:33 +02:00
Eelco Dolstra 11ba4302e3 Remove BinaryCacheStoreAccessor
Probably as a result of a bad merge in
4b8f1b0ec0, we had both a
BinaryCacheStoreAccessor and a
RemoteFSAccessor. BinaryCacheStore::getFSAccessor() returned the
latter, but BinaryCacheStore::addToStore() checked for the
former. This probably caused hydra-queue-runner to download paths that
it just uploaded.
2017-10-17 20:51:42 +02:00
Eelco Dolstra 1dd29d7aeb
Add option to disable the seccomp filter
I needed this to test ACL/xattr removal in
canonicalisePathMetaData(). Might also be useful if you need to build
old Nixpkgs that doesn't have the required patches to remove
setuid/setgid creation.
2017-10-12 18:21:55 +02:00
Dan Peebles 476493dbf5 Reverse retry logic to retry in all but a few cases
It was getting too much like whac-a-mole listing all the retriable error
conditions, so we now retry by default and list the cases where retrying
is almost certainly hopeless.
2017-10-02 23:22:02 -04:00
Eelco Dolstra aca4f7dff0
Don't remove Content-Encoding in fetchurl / nix-prefetch-url
Fixes #1568.
2017-09-18 11:07:28 +02:00
Eelco Dolstra 89dc62c174
RemoteStore: Add option to drop old connections from the pool
This is a hack to make hydra-queue-runner free its temproots
periodically, thereby ensuring that garbage collection of the
corresponding paths is not blocked until the queue runner is
restarted.

It would be better if temproots could be released earlier than at
process exit. I started working on a RAII object returned by functions
like addToStore() that releases temproots. However, this would be a
pretty massive change so I gave up on it for now.
2017-09-14 18:10:38 +02:00
Eelco Dolstra 308ecf6361
Show the pid of temporary roots 2017-09-14 15:02:52 +02:00
Eelco Dolstra da1e4fdfb5
nix-store -q --roots / --gc --print-roots: Print temporary / in-memory roots
For example,

  $ nix-store -q --roots /nix/store/7phd2sav7068nivgvmj2vpm3v47fd27l-patchelf-0.8pre845_0315148
  {temp:1}

denotes that the path is only being kept alive by a temporary root
(i.e. /nix/var/nix/temproots/). Similarly,

  $ nix-store --gc --print-roots
  ...
  {memory:9} -> /nix/store/094gpjn9f15ip17wzxhma4r51nvsj17p-curl-7.53.1

shows that curl is being used by some process.
2017-09-14 14:38:36 +02:00
Eelco Dolstra 3ed8290e53
LegacySSHStore: Include signatures etc. 2017-09-08 16:55:27 +02:00
Eelco Dolstra 6a888ec29a
copyStorePath(): Fill in missing narHash regardless of checkSigs
I don't remember what the reasoning was here, but security is provided
by the signatures, not by whether the hash is provided by the other
store.
2017-09-08 14:48:08 +02:00
Eelco Dolstra 88e6bb76de Communicate the structured log FD to builders
Since we may use a dedicated file descriptor in the future, this
allows us to change it. So builders can do

  if [[ -n $NIX_LOG_FD ]]; then
    echo "@nix { message... }" >&$NIX_LOG_FD
  fi
2017-09-08 11:27:10 +02:00
Eelco Dolstra 1277aab219
Fix abort when the GC thread gets an exception 2017-09-06 11:37:58 +02:00
Eelco Dolstra 0b606aad46
Add automatic garbage collection
Nix can now automatically run the garbage collector during builds or
while adding paths to the store. The option "min-free = <bytes>"
specifies that Nix should run the garbage collector whenever free
space in the Nix store drops below <bytes>. It will then delete
garbage until "max-free" bytes are available.

Garbage collection during builds is asynchronous; running builds are
not paused and new builds are not blocked. However, there also is a
synchronous GC run prior to the first build/substitution.

Currently, no old GC roots are deleted (as in "nix-collect-garbage
-d").
2017-09-05 20:43:42 +02:00
Eelco Dolstra b932ea58ec
GC: Don't delete own temproots file
Since file locks are per-process rather than per-file-descriptor, the
garbage collector would always acquire a lock on its own temproots
file and conclude that it's stale.
2017-09-05 20:39:57 +02:00
Eelco Dolstra 8215b75d36
Abort curl downloads if there is no progress for 5 minutes
Maybe this will fix the curl hangs on macOS. (We could also use
CURLOPT_TIMEOUT but that seems more of a sledgehammer.)
2017-09-01 16:51:26 +02:00
Eelco Dolstra bbdf08bc0f
Call queryMissing() prior to building
Without this, substitute info is fetched sequentially, which is
superslow. In the old UI (e.g. nix-build), we call printMissing(),
which calls queryMissing(), thereby preheating the binary cache
cache. But the new UI doesn't do that.
2017-08-31 16:05:07 +02:00
Eelco Dolstra fd73c1e20a
Add an activity for binary cache queries 2017-08-31 15:25:58 +02:00
Eelco Dolstra c2154d4c84
Rename a few configuration options
In particular, drop the "build-" and "gc-" prefixes which are
pointless. So now you can say

  nix build --no-sandbox

instead of

  nix build --no-build-use-sandbox
2017-08-31 14:28:25 +02:00
Eelco Dolstra 2cc345b95f
Give activities a verbosity level again
And print them (separately from the progress bar) given sufficient -v
flags.
2017-08-28 19:13:24 +02:00
Eelco Dolstra cfc8132391
Don't send progress messages to older clients 2017-08-28 18:54:23 +02:00
Eelco Dolstra fe34b91289
Tunnel progress messages from the daemon to the client
This makes the progress bar work for non-root users.
2017-08-28 18:49:42 +02:00
Eelco Dolstra 94a0548dc4
Simplify 2017-08-25 21:26:37 +02:00
Eelco Dolstra 0ac35b67b8
Allow derivations to update the build phase
So the progress bar can show

  [1/0/1 built, 0.0 MiB DL] building hello-2.10 (configuring): checking whether pread is declared without a macro... yes
2017-08-25 18:04:05 +02:00
Eelco Dolstra c137c0a5eb
Allow activities to be nested
In particular, this allows more relevant activities ("substituting X")
to supersede inferior ones ("downloading X").
2017-08-25 17:49:40 +02:00
Eelco Dolstra 0e9ddcc306
Restore activity metadata
This allows the progress bar to display "building perl-5.22.3" instead
of "building /nix/store/<hash>-perl-5.22.3.drv".
2017-08-25 15:58:35 +02:00
Eelco Dolstra 1f56235438
Clean up JSON construction 2017-08-21 12:18:46 +02:00
Eelco Dolstra 4af2611bd1
Allow builders to create activities
Actually, currently they can only create download activities. Thus,
downloads by builtins.fetchurl show up in the progress bar.
2017-08-21 12:18:46 +02:00
Eelco Dolstra b4ed97e3a3
nix optimise-store: Show how much space has been freed 2017-08-16 20:56:03 +02:00
Eelco Dolstra 23b8b7e096
nix optimise-store: Add
This replaces "nix-store --optimise". Main difference is that it has a
progress indicator.
2017-08-16 20:56:03 +02:00
Eelco Dolstra 40bffe0a43
Progress indicator: Cleanup 2017-08-16 20:56:03 +02:00
Eelco Dolstra dff12b38f9
Progress indicator: More improvements 2017-08-16 20:56:03 +02:00
Eelco Dolstra bf1f123b09
Progress indicator: Show number of active items 2017-08-16 20:56:03 +02:00
Eelco Dolstra 0e0dcf2c7e
Progress indicator: Unify "copying" and "substituting"
They're the same thing after all.

Example:

  $ nix build --store local?root=/tmp/nix nixpkgs.firefox-unwrapped
  [0/1 built, 49/98 copied, 16.3/92.8 MiB DL, 55.8/309.2 MiB copied] downloading 'https://cache.nixos.org/nar/0pl9li1jigcj2dany47hpmn0r3r48wc4nz48v5mqhh426lgz3bz6.nar.xz'
2017-08-16 20:56:03 +02:00
Eelco Dolstra c36467ad2e
Improve substitution progress indicator
E.g.

  $ nix build --store local?root=/tmp/nix nixpkgs.firefox-unwrapped
  [0/1 built, 1/97/98 fetched, 65.8/92.8 MiB DL, 203.2/309.2 MiB copied] downloading 'https://cache.nixos.org/nar/1czm9fk0svacy4h6a3fzkpafi4f7a9gml36kk8cq1igaghbspg3k.nar.xz'
2017-08-16 20:56:02 +02:00
Eelco Dolstra b29b6feaba
nix copy: Improve progress indicator
It now shows the amount of data copied:

  [8/1038 copied, 160.4/1590.9 MiB copied] copying path '...'
2017-08-16 20:56:02 +02:00
Eelco Dolstra c5e4404580
nix copy: Revive progress bar 2017-08-16 20:56:02 +02:00
Eelco Dolstra e4bd42f98f
Disallow SSH host names starting with a dash 2017-08-16 20:55:58 +02:00
Eelco Dolstra b6ee5e5bf0
Style fix 2017-08-10 13:51:07 +02:00
Eelco Dolstra af765a8eab
Use /proc/self/fd to efficiently close all FDs on Linux
Issue #1506.
2017-08-09 16:22:05 +02:00
Eelco Dolstra a2778988f2
Merge branch 'macOS' of https://github.com/davidak/nix 2017-07-31 10:31:51 +02:00
Jörg Thalheim 2fd8f8bb99 Replace Unicode quotes in user-facing strings by ASCII
Relevant RFC: NixOS/rfcs#4

$ ag -l | xargs sed -i -e "/\"/s/’/'/g;/\"/s/‘/'/g"
2017-07-30 12:32:45 +01:00
davidak fcb8d6a7a0 replace "OS X" with "macOS" 2017-07-30 12:28:50 +02:00
Eelco Dolstra fc3568e263
FD_SETSIZE check: BuildError -> Error
BuildError denotes a permanent build failure, which is not the case
here.
2017-07-20 13:33:13 +02:00
Dmitry Kalinkin d5e1bffd2a
Do not try to fill fd_set with fd>=FD_SETSIZE
This is UB and causes buffer overflow and crash on linux.
2017-07-18 17:51:50 -04:00
Eelco Dolstra bf6792c0df
Always use base-16 for hashed mirror lookups
In particular, don't use base-64, which we don't support. (We do have
base-32 redirects for hysterical reasons.)

Also, add a test for the hashed mirror feature.
2017-07-17 13:13:18 +02:00
Eelco Dolstra 49304bae81
Make the hashes mirrors used by builtins.fetchurl configurable
In particular, this allows it to be disabled in our tests.
2017-07-17 13:07:08 +02:00
Eelco Dolstra 4ec6eb1fdf
Fix accidental printError 2017-07-17 11:38:15 +02:00
Eelco Dolstra 766ad5db3b
nix path-info: Show download sizes for binary cache stores
E.g.

  $ nix path-info --json --store https://cache.nixos.org nixpkgs.thunderbird -S
  ...
      "downloadHash": "sha256:1jlixpzi225wwa0f4xdrwrqgi47ip1qpj9p06fyxxg07sfmyi4q0",
      "downloadSize": 43047620,
      "closureDownloadSize": 84745960
    }
  ]
2017-07-14 18:29:10 +02:00
Eelco Dolstra 3908d3929c
nix path-info: Don't barf on invalid paths
Now you get

  [
    {
      "path": "/nix/store/fzvliz4j5xzvnd0w5zgw2l0ksqh578yk-bla",
      "valid": false
    }
  ]
2017-07-14 18:29:10 +02:00
Eelco Dolstra 8e8caf7f3e fetchTarball: Prevent concurrent downloads of the same file
Fixes #849.
2017-07-11 23:21:24 +02:00
Eelco Dolstra d3713716b6 Merge pull request #1445 from matthewbauer/macos-skip-hardlink
Don’t hardlink disallowed paths in OS X.
2017-07-07 11:05:21 +02:00
Matthew Bauer 72e80c59b5 Don’t hardlink disallowed paths in OS X.
Fixes #1443
2017-07-06 19:30:19 -07:00
Eelco Dolstra a3dc1e65ab
Add X32 to the seccomp filter
Fixes #1432.
2017-07-04 19:00:51 +02:00
Eelco Dolstra 42c5774e78
Sort substituters by priority
Fixes #1438.
2017-07-04 16:34:53 +02:00
Eelco Dolstra b7203e853e
getDefaultSubstituters(): Simplify initialisation
As shlevy pointed out, static variables in C++11 have thread-safe
initialisation.
2017-07-04 16:26:48 +02:00
Eelco Dolstra 6cf23c3e8f
Add allow-new-privileges option
This allows builds to call setuid binaries. This was previously
possible until we started using seccomp. Turns out that seccomp by
default disallows processes from acquiring new privileges. Generally,
any use of setuid binaries (except those created by the builder
itself) is by definition impure, but some people were relying on this
ability for certain tests.

Example:

  $ nix build '(with import <nixpkgs> {}; runCommand "foo" {} "/run/wrappers/bin/ping -c 1 8.8.8.8; exit 1")' --no-allow-new-privileges
  builder for ‘/nix/store/j0nd8kv85hd6r4kxgnwzvr0k65ykf6fv-foo.drv’ failed with exit code 1; last 2 log lines:
    cannot raise the capability into the Ambient set
    : Operation not permitted

  $ nix build '(with import <nixpkgs> {}; runCommand "foo" {} "/run/wrappers/bin/ping -c 1 8.8.8.8; exit 1")' --allow-new-privileges
  builder for ‘/nix/store/j0nd8kv85hd6r4kxgnwzvr0k65ykf6fv-foo.drv’ failed with exit code 1; last 6 log lines:
    PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data.
    64 bytes from 8.8.8.8: icmp_seq=1 ttl=46 time=15.2 ms

Fixes #1429.
2017-07-04 15:48:25 +02:00
Eelco Dolstra c0015e87af
Support base-64 hashes
Also simplify the Hash API.

Fixes #1437.
2017-07-04 15:07:41 +02:00
Eelco Dolstra fcca702a96
Replace a few bool flags with enums
Functions like copyClosure() had 3 bool arguments, which creates a
severe risk of mixing up arguments.

Also, implement copyClosure() using copyPaths().
2017-07-03 11:38:08 +02:00
David McFarland 596b0e0a04 Call SetDllDirectory("") after sqlite3 init on cygwin
Cygwin sqlite3 is patched to call SetDllDirectory("/usr/bin") on init, which
affects the current process and is inherited by child processes.  It causes
DLLs to be loaded from /usr/bin/ before $PATH, which breaks all sorts of
things.  A typical failures would be header/lib version mismatches (e.g.
openssl when running checkPhase on openssh).  We'll just set it back to the
default value.

Note that this is a problem with the cygwin version of sqlite3 (currently
3.18.0).  nixpkgs doesn't have the problematic patch.
2017-06-20 10:59:13 -03:00
Eelco Dolstra a1355917ec
Disable use of virtual hosting in aws-sdk-cpp
Recently aws-sdk-cpp quietly switched to using S3 virtual host URIs
(https://github.com/aws/aws-sdk-cpp/commit/69d9c53882), i.e. it sends
requests to http://<bucket>.<region>.s3.amazonaws.com rather than
http://<region>.s3.amazonaws.com/<bucket>. However this interacts
badly with curl connection reuse. For example, if we do the following:

1) Check whether a bucket exists using GetBucketLocation.
2) If it doesn't, create it using CreateBucket.
3) Do operations on the bucket.

then 3) will fail for a minute or so with a NoSuchBucket exception,
presumably because the server being hit is a fallback for cases when
buckets don't exist.

Disabling the use of virtual hosts ensures that 3) succeeds
immediately. (I don't know what S3's consistency guarantees are for
bucket creation, but in practice buckets appear to be available
immediately.)
2017-06-19 18:51:33 +02:00
Eelco Dolstra 82a0d614cf
Support creating S3 caches in other regions than us-east-1 2017-06-19 18:51:33 +02:00
Eelco Dolstra b33621d425
Handle S3Errors::RESOURCE_NOT_FOUND from aws-sdk-cpp
This is returned by recent versions. Also handle NO_SUCH_KEY even
though the library doesn't actually return that at the moment.
2017-06-19 18:51:32 +02:00
Eelco Dolstra 1c969611ba
Suppress "will retry in N ms" for non-retriable errors
Newer versions of aws-sdk-cpp call CalculateDelayBeforeNextRetry()
even for non-retriable errors (like NoSuchKey) whih causes log spam in
hydra-queue-runner.
2017-06-19 18:51:32 +02:00
Eelco Dolstra 00aa7c6705
Show aws-sdk-cpp log messages 2017-06-19 18:51:32 +02:00
Eelco Dolstra 1888f7889b
macOS: Ugly hack to make the tests succeed
Sandboxes cannot be nested, so if Nix's build runs inside a sandbox,
it cannot use a sandbox itself. I don't see a clean way to detect
whether we're in a sandbox, so use a test-specific hack.

https://github.com/NixOS/nix/issues/1413
2017-06-19 14:26:05 +02:00
Eelco Dolstra b5bdfdef73
macOS: Remove flags
In particular, UF_IMMUTABLE (uchg) needs to be cleared to allow the
path to be garbage-collected or optimised.

See https://github.com/NixOS/nixpkgs/issues/25819.
+       the file from being garbage-collected.
2017-06-19 14:19:21 +02:00
Eelco Dolstra 38b7d55af1
Remove redundant debug line 2017-06-14 13:45:38 +02:00
Eelco Dolstra 88b291ffc4
canonicalisePathMetaData(): Ignore security.selinux attribute
Untested, hopefully fixes #1406.
2017-06-14 11:41:03 +02:00
Eelco Dolstra 847f19a5f7
Provide a builtin default for $NIX_SSL_CERT_FILE
This is mostly to ensure that when Nix is started on macOS via a
launchd service or sshd (for a remote build), it gets a certificate
bundle.
2017-06-12 16:44:43 +02:00
Eelco Dolstra 7f5b750b40
Don't run pre-build-hook if we don't have a derivation
This fixes a build failure on OS X when using Hydra or Nix 1.12's
build-remote (since they don't copy the derivation to the build
machine).
2017-06-12 16:07:34 +02:00
Eelco Dolstra 186571965d
Don't show flags from config settings in "nix --help" 2017-06-07 18:41:20 +02:00
Eelco Dolstra b8283773bd
nix: Make all options available as flags
Thus, instead of ‘--option <name> <value>’, you can write ‘--<name>
<value>’. So

  --option http-connections 100

becomes

  --http-connections 100

Apart from brevity, the difference is that it's not an error to set a
non-existent option via --option, but unrecognized arguments are
fatal.

Boolean options have special treatment: they're mapped to the
argument-less flags ‘--<name>’ and ‘--no-<name>’. E.g.

  --option auto-optimise-store false

becomes

  --no-auto-optimise-store
2017-06-07 16:17:17 +02:00
Eelco Dolstra c8cc50d46e
Disable the build user mechanism on all platforms except Linux and OS X 2017-06-06 18:52:15 +02:00
Eelco Dolstra 85e93d7b87
Always use the Darwin sandbox
Even with "build-use-sandbox = false", we now use sandboxing with a
permissive profile that allows everything except the creation of
setuid/setgid binaries.
2017-06-06 18:44:49 +02:00
Eelco Dolstra 52fec8dde8
Remove listxattr assertion
It appears that sometimes, listxattr() returns a different value for
the query case (i.e. when the buffer size is 0).
2017-05-31 20:43:47 +02:00
Eelco Dolstra c96e8cd097
OS X sandbox: Improve builtin sandbox profile
Also, add rules to allow fixed-output derivations to access the
network.

These rules are sufficient to build stdenvDarwin without any
__sandboxProfile magic.
2017-05-31 17:25:51 +02:00
Eelco Dolstra 44f3f8048f OS X sandbox: Don't use a deterministic $TMPDIR
This doesn't work because the OS X sandbox cannot bind-mount
path to a different location.
2017-05-31 14:09:00 +02:00
Eelco Dolstra c740c3ce50 OS X sandbox: Store .sb file in $TMPDIR rather than the Nix store
The filename used was not unique and owned by the build user, so
builds could fail with

error: while setting up the build environment: cannot unlink ‘/nix/store/99i210ihnsjacajaw8r33fmgjvzpg6nr-bison-3.0.4.drv.sb’: Permission denied
2017-05-31 14:09:00 +02:00
Eelco Dolstra acc889c821
Darwin sandbox: Use sandbox-defaults.sb
Issue #759.

Also, remove nix.conf from the sandbox since I don't really see a
legitimate reason for builders to access the Nix configuration.
2017-05-30 17:40:12 +02:00
Eelco Dolstra 53a1644187
Darwin sandbox: Disallow creating setuid/setgid binaries
Suggested by Daiderd Jordan.
2017-05-30 17:17:17 +02:00
Eelco Dolstra fe08d17934
Fix seccomp build failure on clang
Fixes

  src/libstore/build.cc:2321:45: error: non-constant-expression cannot be narrowed from type 'int' to 'scmp_datum_t' (aka 'unsigned long') in initializer list [-Wc++11-narrowing]
2017-05-30 14:37:24 +02:00
Eelco Dolstra d552d38758
Shut up some clang warnings 2017-05-30 14:35:50 +02:00
Eelco Dolstra 2ac99a32da
Add a seccomp rule to disallow setxattr() 2017-05-30 13:59:24 +02:00
Eelco Dolstra d798349ede
canonicalisePathMetaData(): Remove extended attributes / ACLs
EAs/ACLs are not part of the NAR canonicalisation. Worse, setting an
ACL allows a builder to create writable files in the Nix store. So get
rid of them.

Closes #185.
2017-05-30 13:47:41 +02:00
Eelco Dolstra ff6becafa8
Require seccomp only in multi-user setups 2017-05-30 12:37:04 +02:00
Eelco Dolstra cf93397d3f
Fix seccomp initialisation on i686-linux 2017-05-29 16:14:10 +02:00
Eelco Dolstra 6cc6c15a2d
Add a seccomp filter to prevent creating setuid/setgid binaries
This prevents builders from setting the S_ISUID or S_ISGID bits,
preventing users from using a nixbld* user to create a setuid/setgid
binary to interfere with subsequent builds under the same nixbld* uid.

This is based on aszlig's seccomp code
(47f587700d).

Reported by Linus Heckemann.
2017-05-29 16:14:10 +02:00
Eelco Dolstra 6e01ecd112
Fix nix-copy-closure test
Fixes

  client# error: size mismatch importing path ‘/nix/store/ywf5fihjlxwijm6ygh6s0a353b5yvq4d-libidn2-0.16’; expected 0, got 120264

This is mostly an artifact of the NixOS VM test environment, where the
Nix database doesn't contain hashes/sizes.

http://hydra.nixos.org/build/53537471
2017-05-29 16:08:56 +02:00
Eelco Dolstra 63145be2a5
Fix typo 2017-05-29 15:52:36 +02:00
Eelco Dolstra edbb105e98
Merge branch 'nar-accessor-tree' of https://github.com/bennofs/nix 2017-05-24 11:04:43 +02:00
Eelco Dolstra b01d62285c
Improve progress indicator 2017-05-16 16:09:57 +02:00
Benno Fünfstück a1f428b13b nar-accessor.cc: remove unused member NarIndexer::currentName 2017-05-15 19:41:59 +02:00
Benno Fünfstück 5ee06e612a nar-accessor: non-recursive NarMember::find
This avoids a possible stack overflow if directories are very deeply nested.
2017-05-15 19:34:18 +02:00
Eelco Dolstra e80257f122
Simplify fixed-output check 2017-05-15 18:50:54 +02:00
Eelco Dolstra a2d92bb20e
Add --with-sandbox-shell configure flag
And add a 116 KiB ash shell from busybox to the release build. This
helps to make sandbox builds work out of the box on non-NixOS systems
and with diverted stores.
2017-05-15 17:36:32 +02:00
Eelco Dolstra b30f5784d0
Linux sandbox: Don't barf on invalid paths
This is useful when we're using a diverted store (e.g. "--store
local?root=/tmp/nix") in conjunction with a statically-linked sh from
the host store (e.g. "sandbox-paths =/bin/sh=/nix/store/.../bin/busybox").
2017-05-15 17:36:32 +02:00
Benno Fünfstück 75a1d9849d nar-accessor: use tree, fixes readDirectory missing children
Previously, if a directory `foo` existed and a file `foo-` (where `-` is any character that is sorted before `/`), then  `readDirectory` would return an empty list.

To fix this, we now use a tree where we can just access the children of the node, and do not need to rely on sorting behavior to list the contents of a directory.
2017-05-15 10:23:16 +02:00
Eelco Dolstra 510bc1735b
Add an option for extending the user agent header
This is useful e.g. for distinguishing traffic to a binary cache
(e.g. certain machines can use a different tag in the user agent).
2017-05-11 15:10:22 +02:00
Eelco Dolstra 62d476c7ee
Fix typo 2017-05-11 14:02:03 +02:00
Eelco Dolstra ea65ae0f9c
Tweak error message 2017-05-11 13:59:47 +02:00
Eelco Dolstra 6f245bf24a
Change the meaning of info.ultimate
It now means "paths that were built locally". It no longer includes
paths that were added locally. For those we don't need info.ultimate,
since we have the content-addressability assertion (info.ca).
2017-05-11 13:31:23 +02:00
Eelco Dolstra 45d7b1a9e9
LocalStore::addToStore(): Check info.narSize
It allowed the client to specify bogus narSize values. In particular,
Downloader::downloadCached wasn't setting narSize at all.
2017-05-11 13:26:03 +02:00
Eelco Dolstra 7689181e4f
Minor cleanup 2017-05-08 15:56:52 +02:00
Eelco Dolstra 00b286275c
Linux sandbox: Fix compatibility with older kernels 2017-05-08 15:42:59 +02:00
Eelco Dolstra 0a97eb6bd7
Remove superfluous #ifdef 2017-05-08 11:27:20 +02:00
Eelco Dolstra bb50c89319
Make the location of the build directory in the sandbox configurable
This is mostly for use in the sandbox tests, since if the Nix store is
under /build, then we can't use /build as the build directory.
2017-05-05 17:45:22 +02:00
Eelco Dolstra eba840c8a1
Linux sandbox: Use /build instead of /tmp as $TMPDIR
There is a security issue when a build accidentally stores its $TMPDIR
in some critical place, such as an RPATH. If
TMPDIR=/tmp/nix-build-..., then any user on the system can recreate
that directory and inject libraries into the RPATH of programs
executed by other users. Since /build probably doesn't exist (or isn't
world-writable), this mitigates the issue.
2017-05-04 16:57:03 +02:00
Eelco Dolstra c5bea16611
LocalStoreAccessor: Fix handling of diverted stores 2017-05-02 15:46:09 +02:00
Eelco Dolstra 7f6837a0f6
Replace $NIX_REMOTE_SYSTEMS with an option "builder-files"
Also, to unify with hydra-queue-runner, allow it to be a list of
files.
2017-05-02 15:46:09 +02:00
Eelco Dolstra cd4d2705ec
build-remote: Fix fallback to other machines when connecting fails
Opening an SSHStore or LegacySSHStore does not actually establish a
connection, so the try/catch block here did nothing. Added a
Store::connect() method to test whether a connection can be
established.
2017-05-02 15:46:09 +02:00
Eelco Dolstra 1a68710d4d
Add an option for specifying remote builders
This is useful for one-off situations where you want to specify a
builder on the command line instead of having to mess with
nix.machines. E.g.

  $ nix-build -A hello --argstr system x86_64-darwin \
    --option builders 'root@macstadium1 x86_64-darwin'

will perform the specified build on "macstadium1".

It also removes the need for a separate nix.machines file since you
can specify builders in nix.conf directly. (In fact nix.machines is
yet another hack that predates the general nix.conf configuration
file, IIRC.)

Note: this option is supported by the daemon for trusted users. The
fact that this allows trusted users to specify paths to SSH keys to
which they don't normally have access is maybe a bit too much trust...
2017-05-02 15:42:43 +02:00
Eelco Dolstra ebc9f36a81
Factor out machines.conf parsing
This allows hydra-queue-runner to use it.
2017-05-02 13:17:37 +02:00
Eelco Dolstra 174b68a2a2
build-hook: If there are no machines defined, quit permanently 2017-05-02 12:16:29 +02:00
Eelco Dolstra feefcb3a98
build-remote: Ugly hackery to get build logs to work
The build hook mechanism expects build log output to go to file
descriptor 4, so do that.
2017-05-02 12:02:23 +02:00
Eelco Dolstra 3a5f04f48c
build-remote: Don't require signatures
This restores the old behaviour.
2017-05-01 20:03:25 +02:00
Eelco Dolstra 031d70e500
Support arbitrary store URIs in nix.machines
For backwards compatibility, if the URI is just a hostname, ssh://
(i.e. LegacySSHStore) is prepended automatically.

Also, all fields except the URI are now optional. For example, this is
a valid nix.machines file:

  local?root=/tmp/nix

This is useful for testing the remote build machinery since you don't
have to mess around with ssh.
2017-05-01 17:35:30 +02:00
Eelco Dolstra deac171925
Implement LegacySSHStore::buildDerivation()
This makes LegacySSHStore usable by build-remote and
hydra-queue-runner.
2017-05-01 17:30:16 +02:00
Eelco Dolstra 3f5b98e65a
Chomp log output from the build hook 2017-05-01 17:30:16 +02:00
Eelco Dolstra d7653dfc6d
Remove $NIX_BUILD_HOOK and $NIX_CURRENT_LOAD
This is to simplify remote build configuration. These environment
variables predate nix.conf.

The build hook now has a sensible default (namely build-remote).

The current load is kept in the Nix state directory now.
2017-05-01 17:30:16 +02:00
Eelco Dolstra ca9f589a93
build-remote: Don't copy the .drv closure
Since build-remote uses buildDerivation() now, we don't need to copy
the .drv file anymore. This greatly reduces the set of input paths
copied to the remote side (e.g. from 392 to 51 store paths for GNU
hello on x86_64-darwin).
2017-05-01 17:30:16 +02:00
Eelco Dolstra b986c7f8b1
Pass verbosity level to build hook 2017-05-01 14:43:14 +02:00
Eelco Dolstra 227a48f86f
Reduce severity of EMLINK warnings
Fixes #1357.
2017-05-01 14:36:56 +02:00
Eelco Dolstra 0dddcf867a
Add a dummy Store::buildPaths() method
This default implementation of buildPaths() does nothing if all
requested paths are already valid, and throws an "unsupported
operation" error otherwise. This fixes a regression introduced by
c30330df6f in binary cache and legacy
SSH stores.
2017-05-01 13:43:34 +02:00
Eelco Dolstra a1a5e63e14
Fix brainfart 2017-04-28 16:21:54 +02:00
Shea Levy 4bc00760f9 Add Store nesting to fix import-from-derivation within filterSource 2017-04-26 14:15:47 -04:00
Eelco Dolstra 1bb87c0487
Remove debug statement 2017-04-24 15:01:28 +02:00
Eelco Dolstra 749696e71c
Detect lsof
Also, don't use lsof on Linux since it's not needed.

Fixes #1328.
2017-04-20 19:11:45 +02:00
Eelco Dolstra efa4bdbfcd
Improve nix show-config --json
In particular, show descriptions. This could be used for manpage
generation etc.
2017-04-20 17:34:47 +02:00
Eelco Dolstra 4410e9d995
Setting: Remove "Tag" template argument 2017-04-20 16:52:53 +02:00
Eelco Dolstra f05d5f89ff
Read per-user settings from ~/.config/nix/nix.conf 2017-04-20 14:58:16 +02:00
Eelco Dolstra 562585e901
binary-caches-parallel-connections -> http-connections 2017-04-20 14:04:00 +02:00
Eelco Dolstra 76cb3c702c
Reimplement trusted-substituters (aka trusted-binary-caches) 2017-04-20 13:41:29 +02:00
Eelco Dolstra 9cc8047f44
Reimplement connect-timeout
Fixes #1339.
2017-04-19 14:54:52 +02:00
Eelco Dolstra f8a2e8a552
Shut up some warnings 2017-04-14 14:42:20 +02:00
Eelco Dolstra dd3714f6ef
Doh 2017-04-14 14:42:08 +02:00
Eelco Dolstra ba9ad29fdb
Convert Settings to the new config system
This makes all config options self-documenting.

Unknown or unparseable config settings and --option flags now cause a
warning.
2017-04-13 20:53:23 +02:00
Eelco Dolstra 1860070548
Merge branch 'rework-options' of https://github.com/copumpkin/nix 2017-04-13 16:15:51 +02:00
Eelco Dolstra 2040240e23
Add a Config class to simplify adding configuration settings
The typical use is to inherit Config and add Setting<T> members:

  class MyClass : private Config
  {
    Setting<int> foo{this, 123, "foo", "the number of foos to use"};
    Setting<std::string> bar{this, "blabla", "bar", "the name of the bar"};

    MyClass() : Config(readConfigFile("/etc/my-app.conf"))
    {
      std::cout << foo << "\n"; // will print 123 unless overriden
    }
  };

Currently, this is used by Store and its subclasses for store
parameters. You now get a warning if you specify a non-existant store
parameter in a store URI.
2017-04-13 16:03:31 +02:00
Eelco Dolstra 1fe1976e0d Merge pull request #1316 from copumpkin/nix-retries-default
Default to 5 download retries
2017-04-10 15:58:57 +02:00
Dan Peebles d1fdade755 Add CURLE_WRITE_ERROR as a transient error condition
We've observed it failing downloads in the wild and retrying the same URL
a few moments later seemed to fix it.
2017-04-10 09:28:44 -04:00
Dan Peebles e43e8be8e7 Default to 5 download retries
This should help certain downloaders that don't request anything special
for the number of retries, like nix-channel.
2017-04-10 09:22:24 -04:00
Eelco Dolstra 105f8ffc98
Minor cleanup
Also, possible fix for #1310 on 32-bit systems.
2017-04-10 11:27:33 +02:00
Eelco Dolstra 95295482ea
Allow "auto" as a store URI
Using the empty string is likely to be ambiguous in some contexts.
2017-04-10 11:27:29 +02:00
Dan Peebles 98283915f5 Retry downloads on transient SSL errors too 2017-04-06 18:18:43 +00:00
Eelco Dolstra ba20730b3f
Implement RemoteStore::queryMissing()
This provides a significant speedup, e.g. 64 s -> 12 s for

  nix-build --dry-run -I nixpkgs=channel:nixos-16.03 '<nixpkgs/nixos/tests/misc.nix>' -A test

on a cold local and CloudFront cache.

The alternative is to use lots of concurrent daemon connections but
that seems wasteful.
2017-04-06 18:40:19 +02:00
Eelco Dolstra 6b5e271163
Add a method to allow hydra-queue-runner to flush the path info cache 2017-04-06 15:22:37 +02:00
Eelco Dolstra 256940fc48
nix-daemon: Disable path info cache
This is useless because the client also caches path info, and can
cause problems for long-running clients like hydra-queue-runner
(i.e. it may return cached info about paths that have been
garbage-collected).
2017-04-06 14:30:31 +02:00
Eelco Dolstra 8decb07c31
Allow default sandbox paths to be overriden
E.g. you can now redirect /etc/resolv.conf to a different file.
2017-04-04 17:54:16 +02:00
Eelco Dolstra 488792a87d
Make /var/run/nscd/socket optional
Not every distribution uses nscd.
2017-04-04 17:40:50 +02:00
Eelco Dolstra 29d35805c6
Sandbox: Fix /dev/ptmx on recent kernels
This fixes "No such file or directory" when opening /dev/ptmx
(e.g. http://hydra.nixos.org/build/51094249).

The reason appears to be some changes to /dev/ptmx / /dev/pts handling
between Linux 4.4 and 4.9. See
https://patchwork.kernel.org/patch/7832531/.

The fix is to go back to mounting a proper /dev/pts instance inside
the sandbox. Happily, this now works inside user namespaces, even for
unprivileged users. So

  NIX_REMOTE=local?root=/tmp/nix nix-build \
    '<nixpkgs/nixos/tests/misc.nix>' -A test

works for non-root users.

The downside is that the fix breaks sandbox builds on older kernels
(probably pre-4.6), since mounting a devpts fails inside user
namespaces for some reason I've never been able to figure out. Builds
on those systems will fail with

  error: while setting up the build environment: mounting /dev/pts: Invalid argument

Ah well.
2017-03-31 18:20:19 +02:00
Shea Levy d299bd710a Merge branch 'builtins.exec' 2017-03-31 11:22:39 -04:00
Eelco Dolstra e1509adbbb
Retry curl error 16 2017-03-31 15:50:11 +02:00
Shea Levy 0bb8db257d Add exec primop behind allow-unsafe-native-code-during-evaluation.
Execute a given program with the (optional) given arguments as the
user running the evaluation, parsing stdout as an expression to be
evaluated.

There are many use cases for nix that would benefit from being able to
run arbitrary code during evaluation, including but not limited to:

* Automatic git fetching to get a sha256 from a git revision
* git rev-parse HEAD
* Automatic extraction of information from build specifications from
  other tools, particularly language-specific package managers like
  cabal or npm
* Secrets decryption (e.g. with nixops)
* Private repository fetching

Ideally, we would add this functionality in a more principled way to
nix, but in the mean time 'builtins.exec' can be used to get these
tasks done.

The primop is only available when the
'allow-unsafe-native-code-during-evaluation' nix option is true. That
flag also enables the 'importNative' primop, which is strictly more
powerful but less convenient (since it requires compiling a plugin
against the running version of nix).
2017-03-30 08:04:21 -04:00
Eelco Dolstra c60715e937
Ignore broken "Deriver: unknown-deriver" fields in .narinfo
These were generated by a legacy tool.
2017-03-28 13:08:13 +02:00
Eelco Dolstra 895a74a814
LocalFSStore::getBuildLog(): Handle corrupted logs 2017-03-21 19:23:35 +01:00
Eelco Dolstra e1e49c58e1
Only use cache.nixos.org when the store is /nix/store
This is consistent with the behaviour of the old
download-from-binary-cache substituter.
2017-03-21 17:59:18 +01:00
Eelco Dolstra ecbc3fedd3
Require signatures by default
This corresponds to the NixOS default.
2017-03-21 15:10:48 +01:00
Eelco Dolstra 4bb38591e5
Restore cache.nixos.org as the default substituter
Fixes #1283.
2017-03-21 15:06:46 +01:00
Eelco Dolstra f8b84a3b8c
Move istringstream_nocopy to a separate file 2017-03-21 14:43:03 +01:00
Eelco Dolstra 3229f85585
Honor $NIX_SSHOPTS again
NixOps needs this.
2017-03-21 14:35:50 +01:00
Eelco Dolstra 20df50d8e1
Merge branch 'darwin-s3-binary-cache-store' of https://github.com/shlevy/nix 2017-03-20 17:46:35 +01:00
Eelco Dolstra 287084d688
ssh:// -> ssh-ng://, legacy-ssh:// -> ssh:// 2017-03-16 14:19:32 +01:00
Eelco Dolstra c5b83d8913
copyPaths(): Use queryValidPaths() to reduce SSH latency 2017-03-16 13:50:01 +01:00
Eelco Dolstra 91d67692cf
copyPaths(): Don't query path info for a path the target already has
For example, this cuts "nix-copy-closure --from" on a NixOS system
closure from 15.9s to 0.5s.
2017-03-16 12:05:51 +01:00
Eelco Dolstra ea7fa88131
LegacySSHStore: Provide a faster implementation of computeFSClosure()
This avoids the latency of the standard implementation, which can make
a huge difference (e.g. 16.5s -> 0.5s on a NixOS system closure).
2017-03-16 11:44:52 +01:00
Eelco Dolstra 7a716ef2a5
Fix nix-copy-closure --to 2017-03-16 10:58:48 +01:00
Eelco Dolstra 0ec7f47b00
Remove "killing process <pid>" messages
They convey no useful information.
2017-03-16 10:52:28 +01:00
Eelco Dolstra 3f35612c04
More precise compression settings 2017-03-15 17:20:19 +01:00
Eelco Dolstra 25dff2b7db
runProgram(): Distinguish between empty input and no input
For example, if we call brotli with an empty input, it shouldn't read
from the caller's stdin.
2017-03-15 16:50:19 +01:00
Eelco Dolstra 042975ea8e
Compress NAR listings using the "text-compression" method
So if "text-compression=br", the .ls file in S3 will get a
Content-Encoding of "br". Brotli appears to compress better than xz
for this kind of file and is natively supported by browsers.
2017-03-15 16:50:19 +01:00
Eelco Dolstra 45c70382ac
S3BinaryCacheStore: Set Content-Type
This is necessary for serving log files to browsers.
2017-03-15 16:50:19 +01:00
Eelco Dolstra 8b1d65bebe
S3BinaryCacheStore: Support compression of narinfo and log files
You can now set the store parameter "text-compression=br" to compress
textual files in the binary cache (i.e. narinfo and logs) using
Brotli. This sets the Content-Encoding header; the extension of
compressed files is unchanged.

You can separately specify the compression of log files using
"log-compression=br". This is useful when you don't want to compress
narinfo files for backward compatibility.
2017-03-15 16:49:28 +01:00
Eelco Dolstra e8186085e0
Add support for brotli compression
Build logs on cache.nixos.org are compressed using Brotli (since this
allows them to be decompressed automatically by Chrome and Firefox),
so it's handy if "nix log" can decompress them.
2017-03-15 16:49:06 +01:00
Eelco Dolstra 532d73d5d8
BinaryCacheStore: Implement getBuildLog()
We assume that build logs are stored under log/<drv>, e.g.

  /nix/store/q7ab198v13p0f8x8wgnd75dva7d5mip6-friday-devil-0.1.1.1.drv

maps to

  https://cache.nixos.org/log/q7ab198v13p0f8x8wgnd75dva7d5mip6-friday-devil-0.1.1.1.drv
2017-03-15 16:48:29 +01:00
Eelco Dolstra 0afeb7f51e
Store: Add a method for getting build logs
This allows various Store implementations to provide different ways to
get build logs. For example, BinaryCacheStore can get the build logs
from the binary cache.

Also, remove the log-servers option since we can use substituters for
this.
2017-03-15 16:48:29 +01:00
Shea Levy 96443e94a1 Merge branch 'configurable-aws-region' 2017-03-12 10:01:11 -04:00
Shea Levy 93f863be96 Add option to disable import-from-derivation completely, even if the drv is already realized 2017-03-08 08:46:12 -05:00
Shea Levy 3cc18d3753 Properly set the caFile for aws-sdk-cpp s3 2017-03-06 14:30:35 -05:00
Shea Levy 4fc30922cf istringstream_nocopy: Implement in a standards-compliant way.
Fixes the problem mentioned in e6a61b8da7

See #1135
2017-03-06 13:03:02 -05:00
Shea Levy 5789eaa3f4 Add aws-region param to S3 store URLs 2017-03-03 16:12:17 -05:00