2012-07-26 21:13:14 +00:00
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source common.sh
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clearStore
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2012-09-12 15:29:10 +00:00
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clearManifests
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2012-07-26 21:13:14 +00:00
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2012-07-27 18:15:03 +00:00
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# Create the binary cache.
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2012-07-26 21:13:14 +00:00
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cacheDir=$TEST_ROOT/binary-cache
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2013-04-23 10:43:28 +00:00
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rm -rf "$cacheDir"
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2012-07-26 21:13:14 +00:00
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outPath=$(nix-build dependencies.nix --no-out-link)
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nix-push --dest $cacheDir $outPath
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2012-07-27 22:16:05 +00:00
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# By default, a binary cache doesn't support "nix-env -qas", but does
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# support installation.
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2012-07-26 21:13:14 +00:00
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clearStore
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rm -f $NIX_STATE_DIR/binary-cache*
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2013-04-23 10:43:28 +00:00
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export _NIX_CACHE_FILE_URLS=1
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2012-07-30 21:09:13 +00:00
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nix-env --option binary-caches "file://$cacheDir" -f dependencies.nix -qas \* | grep -- "---"
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2012-07-27 22:16:05 +00:00
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2012-07-30 21:09:13 +00:00
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nix-store --option binary-caches "file://$cacheDir" -r $outPath
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2012-07-27 22:16:05 +00:00
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# But with the right configuration, "nix-env -qas" should also work.
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clearStore
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rm -f $NIX_STATE_DIR/binary-cache*
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echo "WantMassQuery: 1" >> $cacheDir/nix-cache-info
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2012-07-30 21:09:13 +00:00
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nix-env --option binary-caches "file://$cacheDir" -f dependencies.nix -qas \* | grep -- "--S"
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2012-07-27 18:15:03 +00:00
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2012-12-03 20:02:06 +00:00
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x=$(nix-env -f dependencies.nix -qas \* --prebuilt-only)
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[ -z "$x" ]
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2012-07-30 21:09:13 +00:00
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nix-store --option binary-caches "file://$cacheDir" -r $outPath
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2012-07-26 21:13:14 +00:00
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nix-store --check-validity $outPath
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nix-store -qR $outPath | grep input-2
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2012-07-27 22:16:05 +00:00
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2013-01-02 10:45:23 +00:00
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2014-01-08 16:56:30 +00:00
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# Test whether Nix notices if the NAR doesn't match the hash in the NAR info.
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clearStore
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nar=$(ls $cacheDir/*.nar.xz | head -n1)
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mv $nar $nar.good
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mkdir -p $TEST_ROOT/empty
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nix-store --dump $TEST_ROOT/empty | xz > $nar
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nix-build --option binary-caches "file://$cacheDir" dependencies.nix -o $TEST_ROOT/result 2>&1 | tee $TEST_ROOT/log
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grep -q "hash mismatch in downloaded path" $TEST_ROOT/log
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mv $nar.good $nar
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Support cryptographically signed binary caches
NAR info files in binary caches can now have a cryptographic signature
that Nix will verify before using the corresponding NAR file.
To create a private/public key pair for signing and verifying a binary
cache, do:
$ openssl genrsa -out ./cache-key.sec 2048
$ openssl rsa -in ./cache-key.sec -pubout > ./cache-key.pub
You should also come up with a symbolic name for the key, such as
"cache.example.org-1". This will be used by clients to look up the
public key. (It's a good idea to number keys, in case you ever need
to revoke/replace one.)
To create a binary cache signed with the private key:
$ nix-push --dest /path/to/binary-cache --key ./cache-key.sec --key-name cache.example.org-1
The public key (cache-key.pub) should be distributed to the clients.
They should have a nix.conf should contain something like:
signed-binary-caches = *
binary-cache-public-key-cache.example.org-1 = /path/to/cache-key.pub
If all works well, then if Nix fetches something from the signed
binary cache, you will see a message like:
*** Downloading ‘http://cache.example.org/nar/7dppcj5sc1nda7l54rjc0g5l1hamj09j-subversion-1.7.11’ (signed by ‘cache.example.org-1’) to ‘/nix/store/7dppcj5sc1nda7l54rjc0g5l1hamj09j-subversion-1.7.11’...
On the other hand, if the signature is wrong, you get a message like
NAR info file `http://cache.example.org/7dppcj5sc1nda7l54rjc0g5l1hamj09j.narinfo' has an invalid signature; ignoring
Signatures are implemented as a single line appended to the NAR info
file, which looks like this:
Signature: 1;cache.example.org-1;HQ9Xzyanq9iV...muQ==
Thus the signature has 3 fields: a version (currently "1"), the ID of
key, and the base64-encoded signature of the SHA-256 hash of the
contents of the NAR info file up to but not including the Signature
line.
Issue #75.
2014-01-08 14:23:41 +00:00
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# Test whether this unsigned cache is rejected if the user requires signed caches.
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clearStore
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rm -f $NIX_STATE_DIR/binary-cache*
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nix-store --option binary-caches "file://$cacheDir" --option signed-binary-caches 1 -r $outPath
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2013-04-23 10:44:01 +00:00
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# Test whether fallback works if we have cached info but the
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# corresponding NAR has disappeared.
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clearStore
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nix-build --option binary-caches "file://$cacheDir" dependencies.nix --dry-run # get info
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mkdir $cacheDir/tmp
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2013-07-01 19:02:36 +00:00
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mv $cacheDir/*.nar* $cacheDir/tmp/
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2013-04-23 10:44:01 +00:00
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NIX_DEBUG_SUBST=1 nix-build --option binary-caches "file://$cacheDir" dependencies.nix -o $TEST_ROOT/result --fallback
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mv $cacheDir/tmp/* $cacheDir/
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2013-01-02 10:45:23 +00:00
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# Test whether building works if the binary cache contains an
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# incomplete closure.
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clearStore
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rm $(grep -l "StorePath:.*dependencies-input-2" $cacheDir/*.narinfo)
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2013-01-02 11:38:28 +00:00
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nix-build --option binary-caches "file://$cacheDir" dependencies.nix -o $TEST_ROOT/result 2>&1 | tee $TEST_ROOT/log
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grep -q "Downloading" $TEST_ROOT/log
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