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117 commits

Author SHA1 Message Date
Eelco Dolstra 7d14f5c331 Implement S3BinaryCacheStore::queryAllValidPaths() 
This allows commands like "nix verify --all" or "nix path-info --all"
to work on S3 caches.

Unfortunately, this requires some ugly hackery: when querying the
contents of the bucket, we don't want to have to read every .narinfo
file. But the S3 bucket keys only include the hash part of each store
path, not the name part. So as a special exception
queryAllValidPaths() can now return store paths *without* the name
part, and queryPathInfo() accepts such store paths (returning a
ValidPathInfo object containing the full name).
 2016-04-21 17:53:47 +02:00
Eelco Dolstra c0c4ddcd9c BinaryCacheStore: Insert new paths into the disk cache 2016-04-20 15:27:48 +02:00
Eelco Dolstra 451ebf24ce Cache path info lookups in SQLite 
This re-implements the binary cache database in C++, allowing it to be
used by other Store backends, in particular the S3 backend.
 2016-04-20 14:12:38 +02:00
Eelco Dolstra e0204f8d46 Move path info caching from BinaryCacheStore to Store 
Caching path info is generally useful. For instance, it speeds up "nix
path-info -rS /run/current-system" (i.e. showing the closure sizes of
all paths in the closure of the current system) from 5.6s to 0.15s.

This also eliminates some APIs like Store::queryDeriver() and
Store::queryReferences().
 2016-04-19 18:52:53 +02:00
Eelco Dolstra a7d8eaba54 BinaryCacheStore: Do negative caching of .narinfo lookups 2016-04-15 15:39:48 +02:00
Eelco Dolstra d1b0909894 BinaryCacheStore::readFile(): Return a shared_ptr to a string 
This allows readFile() to indicate that a file doesn't exist, and
might eliminate some large string copying.
 2016-04-15 15:39:48 +02:00
Eelco Dolstra bb1034316d Don't overload dumpPath() 2016-03-22 14:21:45 +01:00
Eelco Dolstra 712b616a84 Move signatures from NarInfo to ValidPathInfo 
This allows queryPathInfo() to return signatures.
 2016-03-21 18:05:47 +01:00
Eelco Dolstra 1c5f73f529 Add Store::dumpPath() method 
This allows applying nix-store --verify-path to binary cache stores:

  NIX_REMOTE=https://cache.nixos.org nix-store --verify-path /nix/store/s5c7...
 2016-03-21 17:55:57 +01:00
Eelco Dolstra e7c76f7274 BinaryCacheStore::isValidPath(): Use .narinfo cache 
If a path is in the .narinfo cache, obviously it's valid.
 2016-03-14 12:33:06 +01:00
Eelco Dolstra af7cdb1096 BinaryCacheStore: Remove publicKeyFile argument 
The public key can be derived from the secret key, so there's no need
for the user to supply it separately.
 2016-03-04 17:45:22 +01:00
Eelco Dolstra 42bc395b63 Eliminate some large string copying 2016-03-04 16:49:56 +01:00
Eelco Dolstra bcc9943cee importPaths(): Optionally add NARs to binary cache accessor 
This enables an optimisation in hydra-queue-runner, preventing a
download of a NAR it just uploaded to the cache when reading files
like hydra-build-products.
 2016-02-26 15:20:10 +01:00
Eelco Dolstra 1042c10fd0 Add NAR / Store accessor abstraction 
This is primary to allow hydra-queue-runner to extract files like
"nix-support/hydra-build-products" from NARs in binary caches.
 2016-02-25 17:43:19 +01:00
Eelco Dolstra 9ccbd55c5b BinaryCacheStore: Implement addToStore() 
So now you can do

  $ NIX_REMOTE=file:///tmp/binary-cache nix-instantiate '<nixpkgs>' -A hello

and lots of other operations.
 2016-02-24 16:52:28 +01:00
Eelco Dolstra ba0a81d14f Show a proper error message for unimplemented binary cache operations 2016-02-24 14:57:30 +01:00
Eelco Dolstra 263187a2ec Move BinaryCacheStore / LocalBinaryCacheStore from Hydra 
So you can now do:

  $ NIX_REMOTE=file:///tmp/binary-cache nix-store -qR /nix/store/...
 2016-02-24 14:48:16 +01:00