Merge pull request #1091 from Ma27/ssh-remote-store-location
hydra-queue-runner: support store URIs declaring an alternate store location
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commit
f6e86efc9f
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@ -10,6 +10,7 @@
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#include "util.hh"
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#include "worker-protocol.hh"
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#include "finally.hh"
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#include "url.hh"
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using namespace nix;
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@ -26,6 +27,25 @@ static void append(Strings & dst, const Strings & src)
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dst.insert(dst.end(), src.begin(), src.end());
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}
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static Strings extraStoreArgs(std::string & machine)
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{
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Strings result;
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try {
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auto parsed = parseURL(machine);
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if (parsed.scheme != "ssh") {
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throw SysError("Currently, only (legacy-)ssh stores are supported!");
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}
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machine = parsed.authority.value_or("");
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auto remoteStore = parsed.query.find("remote-store");
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if (remoteStore != parsed.query.end()) {
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result = {"--store", shellEscape(remoteStore->second)};
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}
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} catch (BadURL &) {
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// We just try to continue with `machine->sshName` here for backwards compat.
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}
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return result;
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}
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static void openConnection(Machine::ptr machine, Path tmpDir, int stderrFD, Child & child)
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{
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@ -54,7 +74,9 @@ static void openConnection(Machine::ptr machine, Path tmpDir, int stderrFD, Chil
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}
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else {
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pgmName = "ssh";
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argv = {"ssh", machine->sshName};
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auto sshName = machine->sshName;
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Strings extraArgs = extraStoreArgs(sshName);
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argv = {"ssh", sshName};
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if (machine->sshKey != "") append(argv, {"-i", machine->sshKey});
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if (machine->sshPublicHostKey != "") {
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Path fileName = tmpDir + "/host-key";
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@ -66,6 +88,7 @@ static void openConnection(Machine::ptr machine, Path tmpDir, int stderrFD, Chil
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append(argv,
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{ "-x", "-a", "-oBatchMode=yes", "-oConnectTimeout=60", "-oTCPKeepAlive=yes"
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, "--", "nix-store", "--serve", "--write" });
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append(argv, extraArgs);
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}
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execvp(argv.front().c_str(), (char * *) stringsToCharPtrs(argv).data()); // FIXME: remove cast
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