133 lines
4.0 KiB
C++
133 lines
4.0 KiB
C++
#pragma once
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///@file
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#include "ssh-store-config.hh"
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#include "store-api.hh"
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#include "ssh.hh"
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#include "callback.hh"
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#include "pool.hh"
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namespace nix {
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struct LegacySSHStoreConfig : virtual CommonSSHStoreConfig
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{
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using CommonSSHStoreConfig::CommonSSHStoreConfig;
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const Setting<Path> remoteProgram{this, "nix-store", "remote-program",
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"Path to the `nix-store` executable on the remote machine."};
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const Setting<int> maxConnections{this, 1, "max-connections",
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"Maximum number of concurrent SSH connections."};
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const std::string name() override { return "SSH Store"; }
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std::string doc() override;
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};
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struct LegacySSHStore : public virtual LegacySSHStoreConfig, public virtual Store
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{
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// Hack for getting remote build log output.
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// Intentionally not in `LegacySSHStoreConfig` so that it doesn't appear in
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// the documentation
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const Setting<int> logFD{this, -1, "log-fd", "file descriptor to which SSH's stderr is connected"};
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struct Connection;
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std::string host;
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ref<Pool<Connection>> connections;
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SSHMaster master;
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static std::set<std::string> uriSchemes() { return {"ssh"}; }
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LegacySSHStore(const std::string & scheme, const std::string & host, const Params & params);
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ref<Connection> openConnection();
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std::string getUri() override;
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void queryPathInfoUncached(const StorePath & path,
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Callback<std::shared_ptr<const ValidPathInfo>> callback) noexcept override;
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void addToStore(const ValidPathInfo & info, Source & source,
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RepairFlag repair, CheckSigsFlag checkSigs) override;
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void narFromPath(const StorePath & path, Sink & sink) override;
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std::optional<StorePath> queryPathFromHashPart(const std::string & hashPart) override
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{ unsupported("queryPathFromHashPart"); }
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StorePath addToStore(
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std::string_view name,
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const Path & srcPath,
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FileIngestionMethod method,
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HashAlgorithm hashAlgo,
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PathFilter & filter,
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RepairFlag repair,
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const StorePathSet & references) override
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{ unsupported("addToStore"); }
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StorePath addTextToStore(
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std::string_view name,
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std::string_view s,
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const StorePathSet & references,
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RepairFlag repair) override
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{ unsupported("addTextToStore"); }
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private:
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void putBuildSettings(Connection & conn);
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public:
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BuildResult buildDerivation(const StorePath & drvPath, const BasicDerivation & drv,
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BuildMode buildMode) override;
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void buildPaths(const std::vector<DerivedPath> & drvPaths, BuildMode buildMode, std::shared_ptr<Store> evalStore) override;
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void ensurePath(const StorePath & path) override
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{ unsupported("ensurePath"); }
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virtual ref<SourceAccessor> getFSAccessor(bool requireValidPath) override
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{ unsupported("getFSAccessor"); }
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/**
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* The default instance would schedule the work on the client side, but
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* for consistency with `buildPaths` and `buildDerivation` it should happen
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* on the remote side.
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*
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* We make this fail for now so we can add implement this properly later
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* without it being a breaking change.
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*/
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void repairPath(const StorePath & path) override
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{ unsupported("repairPath"); }
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void computeFSClosure(const StorePathSet & paths,
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StorePathSet & out, bool flipDirection = false,
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bool includeOutputs = false, bool includeDerivers = false) override;
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StorePathSet queryValidPaths(const StorePathSet & paths,
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SubstituteFlag maybeSubstitute = NoSubstitute) override;
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void connect() override;
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unsigned int getProtocol() override;
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/**
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* The legacy ssh protocol doesn't support checking for trusted-user.
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* Try using ssh-ng:// instead if you want to know.
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*/
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std::optional<TrustedFlag> isTrustedClient() override
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{
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return std::nullopt;
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}
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void queryRealisationUncached(const DrvOutput &,
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Callback<std::shared_ptr<const Realisation>> callback) noexcept override
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// TODO: Implement
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{ unsupported("queryRealisation"); }
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};
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}
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