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2016-10-21Remove addPathToAccessorEelco Dolstra
2016-10-21BinaryCacheStore: Optionally write a NAR listingEelco Dolstra
The store parameter "write-nar-listing=1" will cause BinaryCacheStore to write a file ‘<store-hash>.ls.xz’ for each ‘<store-hash>.narinfo’ added to the binary cache. This file contains an XZ-compressed JSON file describing the contents of the NAR, excluding the contents of regular files. E.g. { "version": 1, "root": { "type": "directory", "entries": { "lib": { "type": "directory", "entries": { "Mcrt1.o": { "type": "regular", "size": 1288 }, "Scrt1.o": { "type": "regular", "size": 3920 }, } } } ... } } (The actual file has no indentation.) This is intended to speed up the NixOS channels programs index generator [1], since fetching gazillions of large NARs from cache.nixos.org is currently a bottleneck for updating the regular (non-small) channel. [1] https://github.com/NixOS/nixos-channel-scripts/blob/master/generate-programs-index.cc
2016-10-19Merge branch 'priorityqueue' of https://github.com/groxxda/nixEelco Dolstra
2016-10-19Shut up clang warningEelco Dolstra
2016-10-19Fix uninitialised variableEelco Dolstra
2016-10-18downloader: use priority_queueAlexander Ried
2016-10-14Fix /dev/ptmx in sandboxesEelco Dolstra
This was broken since ff0c0b645cc1448959126185bb2fafe41cf0bddf. Since I can't figure out how to mount a devpts instance in the sandbox, let's just bind-mount the host devpts.
2016-10-14CURL_AT_LEAST_VERSION -> LIBCURL_VERSION_NUMEelco Dolstra
http://hydra.nixos.org/build/42025230
2016-10-13Fix HTTP/2 supportEelco Dolstra
Commit 86e8c67efc33cf756500a1dec7fd6313658f2664 broke it, because CURL_* are not actually #defines.
2016-10-13SSL_CERT_FILE -> NIX_SSL_CERT_FILEEelco Dolstra
This prevents collisions with the "native" OpenSSL, in particular on OS X. Fixes #921.
2016-10-12Shut up some warningsEelco Dolstra
2016-10-07querySubstitutablePaths(): Don't query paths for which we already have a ↵Eelco Dolstra
substituter
2016-10-07LocalStore::querySubstitutablePaths(): Implement using queryValidPaths()Eelco Dolstra
2016-10-07Store::queryValidPaths(): Use async queryPathInfo()Eelco Dolstra
This allows the binary cache substituter to pipeline requests.
2016-10-07Implement generic Store::queryValidPaths()Eelco Dolstra
2016-10-07Add copyClosure utility function for HydraEelco Dolstra
2016-10-07importPaths(): Fix accessor support for HydraEelco Dolstra
2016-10-06Fix getS3Stats()Eelco Dolstra
2016-10-05Use std::random_deviceEelco Dolstra
2016-10-04Fix build with older versions of libcurlEelco Dolstra
2016-09-22Handle the case where signed-binary-caches consists of whitespaceEelco Dolstra
2016-09-21Add sandbox-dev-shm-size optionEelco Dolstra
Fixes #1069.
2016-09-21printMsg(lvlError, ...) -> printError(...) etc.Eelco Dolstra
2016-09-21Some notational convenience for formatting stringsEelco Dolstra
We can now write throw Error("file '%s' not found", path); instead of throw Error(format("file '%s' not found") % path); and similarly printError("file '%s' not found", path); instead of printMsg(lvlError, format("file '%s' not found") % path);
2016-09-20TweakEelco Dolstra
2016-09-20Improve robustnessEelco Dolstra
2016-09-20Fix "Promise already satisfied" errorEelco Dolstra
2016-09-16armv5tel can be built by armv6l and armv7l (#1063)Eric Litak
2016-09-16Make computeFSClosure() single-threaded againEelco Dolstra
The fact that queryPathInfo() is synchronous meant that we needed a thread for every concurrent binary cache lookup, even though they end up being handled by the same download thread. Requiring hundreds of threads is not a good idea. So now there is an asynchronous version of queryPathInfo() that takes a callback function to process the result. Similarly, enqueueDownload() now takes a callback rather than returning a future. Thus, a command like nix path-info --store https://cache.nixos.org/ -r /nix/store/slljrzwmpygy1daay14kjszsr9xix063-nixos-16.09beta231.dccf8c5 that returns 4941 paths now takes 1.87s using only 2 threads (the main thread and the downloader thread). (This is with a prewarmed CloudFront.)
2016-09-14Revive binary-caches-parallel-connectionsEelco Dolstra
It's a slight misnomer now because it actually limits *all* downloads, not just binary cache lookups. Also add a "enable-http2" option to allow disabling use of HTTP/2 (enabled by default).
2016-09-14Enable HTTP/2 supportEelco Dolstra
The binary cache store can now use HTTP/2 to do lookups. This is much more efficient than HTTP/1.1 due to multiplexing: we can issue many requests in parallel over a single TCP connection. Thus it's no longer necessary to use a bunch of concurrent TCP connections (25 by default). For example, downloading 802 .narinfo files from https://cache.nixos.org/, using a single TCP connection, takes 11.8s with HTTP/1.1, but only 0.61s with HTTP/2. This did require a fairly substantial rewrite of the Downloader class to use the curl multi interface, because otherwise curl wouldn't be able to do multiplexing for us. As a bonus, we get connection reuse even with HTTP/1.1. All downloads are now handled by a single worker thread. Clients call Downloader::enqueueDownload() to tell the worker thread to start the download, getting a std::future to the result.
2016-09-14Move some .drv parsing functions out of utilEelco Dolstra
2016-09-12ssh-store: Start master on-demandShea Levy
2016-09-12Inline ssh-store.hh into ssh-store.ccShea Levy
2016-09-08Don't run builds as root in the user namespaceEelco Dolstra
This largely reverts c68e5913c71badc89ff346d1c6948517ba720c93. Running builds as root breaks "cp -p", since when running as root, "cp -p" assumes that it can succesfully chown() files. But that's not actually the case since the user namespace doesn't provide a complete uid mapping. So it barfs with a fatal error message ("cp: failed to preserve ownership for 'foo': Invalid argument").
2016-09-08Give a better error message if a path in build-sandbox-paths is invalidEelco Dolstra
2016-09-08Fix assertion failure after early build setup failureEelco Dolstra
2016-09-02Implement nar-based addToStore for remote-storeShea Levy
2016-09-02Add ssh store implementationShea Levy
2016-09-02Add narFromPath op to nix daemonShea Levy
2016-09-02Factor a general remote FS accessor out of BinaryCacheStoreShea Levy
2016-09-02Factor out the unix domain socket-specific code from RemoteStoreShea Levy
2016-09-02Factor a function to get the store type from a URI out of the main ↵Shea Levy
RegisterStoreImplementation
2016-09-02Merge openStore and openStoreAt with default argumentsShea Levy
2016-08-31download.hh: Fix conflicts from nix-channel-c++ mergeShea Levy
2016-08-31Merge branch 'nix-channel-c++'Shea Levy
2016-08-31Merge pull request #1030 from pikajude/rsd-ccEelco Dolstra
Implement resolve-system-dependencies in C++
2016-08-30Increase the sleep time between download retriesEelco Dolstra
2016-08-30Fix --fallbackEelco Dolstra
This fixes an assertion failure in "assert(goal);" in Worker::waitForInput() after a substitution goal is cancelled by the termination of another goal. The problem was the line //worker.childTerminated(shared_from_this()); // FIXME in the SubstitutionGoal destructor. This was disabled because shared_from_this() obviously doesn't work from a destructor. So we now use a real pointer for object identity.
2016-08-24Fix queryPathFromHashPart()Eelco Dolstra
The inner lambda was returning a SQLite-internal char * rather than a std::string, leading to Hydra errors liks Caught exception in Hydra::Controller::Root->narinfo "path ‘ø˜£â€™ is not in the Nix store at /nix/store/6mvvyb8fgwj23miyal5mdr8ik4ixk15w-hydra-0.1.1234.abcdef/libexec/hydra/lib/Hydra/Controller/Root.pm line 352."