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| author | Graham Christensen <graham@grahamc.com> | 2021-02-24 20:52:22 -0500 |
|---|---|---|
| committer | Graham Christensen <graham@grahamc.com> | 2021-02-25 09:17:34 -0500 |
| commit | 1130b2882415b003f5ba2fc0b5466b573fe1b05a (patch) | |
| tree | ee523e721a944277ce3e6fa6a95c61c3c2efeb10 /doc/manual/src/advanced-topics/distributed-builds.md | |
| parent | 199081ad00e6ee4c704eaac34211b454fe0f310c (diff) | |
distributed builds: load remote builder host key from the machines file
This is already used by Hydra, and is very useful when materializing
a remote builder list from service discovery. This allows the service
discovery tool to only sync one file instead of two.
Diffstat (limited to 'doc/manual/src/advanced-topics/distributed-builds.md')
| -rw-r--r-- | doc/manual/src/advanced-topics/distributed-builds.md | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/doc/manual/src/advanced-topics/distributed-builds.md b/doc/manual/src/advanced-topics/distributed-builds.md index c6966a50b..580b36736 100644 --- a/doc/manual/src/advanced-topics/distributed-builds.md +++ b/doc/manual/src/advanced-topics/distributed-builds.md @@ -37,7 +37,7 @@ then you need to ensure that the `PATH` of non-interactive login shells contains Nix. > **Warning** -> +> > If you are building via the Nix daemon, it is the Nix daemon user > account (that is, `root`) that should have SSH access to the remote > machine. If you can’t or don’t want to configure `root` to be able to @@ -52,7 +52,7 @@ example, the following command allows you to build a derivation for ```console $ uname Linux - + $ nix build \ '(with import <nixpkgs> { system = "x86_64-darwin"; }; runCommand "foo" {} "uname > $out")' \ --builders 'ssh://mac x86_64-darwin' @@ -103,7 +103,7 @@ default, set it to `-`. ```nix requiredSystemFeatures = [ "kvm" ]; ``` - + will cause the build to be performed on a machine that has the `kvm` feature. @@ -112,6 +112,10 @@ default, set it to `-`. features appear in the derivation’s `requiredSystemFeatures` attribute.. +8. The (base64-encoded) public host key of the remote machine. If omitted, SSH + will use its regular known-hosts file. Specifically, the field is calculated + via `base64 -w0 /etc/ssh/ssh_host_ed25519_key.pub`. + For example, the machine specification nix@scratchy.labs.cs.uu.nl i686-linux /home/nix/.ssh/id_scratchy_auto 8 1 kvm |