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74 lines
2 KiB
Nix
74 lines
2 KiB
Nix
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# Test Nix's remote build feature.
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{ pkgs, ... }:
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let
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# The configuration of the build slaves.
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slave =
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{ config, pkgs, ... }:
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{ services.openssh.enable = true;
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virtualisation.writableStore = true;
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};
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# Trivial Nix expression to build remotely.
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expr = config: pkgs.writeText "expr.nix"
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''
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let utils = builtins.storePath ${config.system.build.extraUtils}; in
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derivation {
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name = "hello";
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system = "i686-linux";
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PATH = "''${utils}/bin";
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builder = "''${utils}/bin/sh";
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args = [ "-c" "echo Hello; mkdir $out; cat /proc/sys/kernel/hostname > $out/host" ];
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}
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'';
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in
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{
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nodes =
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{ slave1 = slave;
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#slave2 = slave;
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client =
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{ config, pkgs, ... }:
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{ nix.maxJobs = 0; # force remote building
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nix.distributedBuilds = true;
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nix.buildMachines =
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[ { hostName = "slave1";
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sshUser = "root";
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sshKey = "/root/.ssh/id_dsa";
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system = "i686-linux";
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maxJobs = 1;
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}
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];
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virtualisation.writableStore = true;
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virtualisation.pathsInNixDB = [ config.system.build.extraUtils ];
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};
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};
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testScript = { nodes }:
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''
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startAll;
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# Create an SSH key on the client.
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my $key = `${pkgs.openssh}/bin/ssh-keygen -t dsa -f key -N ""`;
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$client->succeed("mkdir -m 700 /root/.ssh");
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$client->copyFileFromHost("key", "/root/.ssh/id_dsa");
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$client->succeed("chmod 600 /root/.ssh/id_dsa");
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# Install the SSH key on the slaves.
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$slave1->succeed("mkdir -m 700 /root/.ssh");
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$slave1->copyFileFromHost("key.pub", "/root/.ssh/authorized_keys");
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$slave1->waitForJob("sshd");
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$client->succeed("ssh -o StrictHostKeyChecking=no slave1 'echo hello world'");
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# Perform a build and check that it was performed on the slave.
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my $out = $client->succeed("nix-build ${expr nodes.client.config}");
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$slave1->succeed("test -e $out");
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'';
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}
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