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Merge pull request #632 from nlewo/localhost-error-message

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hydra-queue-runner: better error message if nix-store can not be started
This commit is contained in:
Eelco Dolstra
2019-01-23 10:46:30 +01:00
committed by GitHub
parent f5686e0958 9a73ec6455
commit 5dd4736aed
1 changed files with 6 additions and 2 deletions
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8
src/hydra-queue-runner/build-remote.cc
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@@ -29,6 +29,7 @@ static void append(Strings & dst, const Strings & src)
static void openConnection(Machine::ptr machine, Path tmpDir, int stderrFD, Child & child)
{
string pgmName;
Pipe to, from;
to.create();
from.create();
@@ -47,9 +48,12 @@ static void openConnection(Machine::ptr machine, Path tmpDir, int stderrFD, Chil
throw SysError("cannot dup stderr");
Strings argv;
if (machine->sshName == "localhost")
if (machine->sshName == "localhost") {
pgmName = "nix-store";
argv = {"nix-store", "--serve", "--write"};
}
else {
pgmName = "ssh";
argv = {"ssh", machine->sshName};
if (machine->sshKey != "") append(argv, {"-i", machine->sshKey});
if (machine->sshPublicHostKey != "") {
@@ -66,7 +70,7 @@ static void openConnection(Machine::ptr machine, Path tmpDir, int stderrFD, Chil
execvp(argv.front().c_str(), (char * *) stringsToCharPtrs(argv).data()); // FIXME: remove cast
throw SysError("cannot start ssh");
throw SysError("cannot start %s", pgmName);
});
to.readSide = -1;