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Format .nix files

Browse source 
This does not include any automation for the release branch, but
is based on the configuration of https://github.com/NixOS/nix/pull/12349

    pre-commit run -a nixfmt-rfc-style
This commit is contained in:
Robert Hensing 2025-01-24 20:26:47 +01:00
parent 42b22fe3de
commit 2f1b70a529
259 changed files with 7729 additions and 5286 deletions
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169
tests/nixos/remote-builds.nix
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@ -1,6 +1,11 @@
# Test Nix's remote build feature.
test@{ config, lib, hostPkgs, ... }:
test@{
config,
lib,
hostPkgs,
...
}:
let
pkgs = config.nodes.client.nixpkgs.pkgs;
@ -21,8 +26,9 @@ let
};
# Trivial Nix expression to build remotely.
expr = config: nr: pkgs.writeText "expr.nix"
''
expr =
config: nr:
pkgs.writeText "expr.nix" ''
let utils = builtins.storePath ${config.system.build.extraUtils}; in
derivation {
name = "hello-${toString nr}";
@ -50,90 +56,95 @@ in
config = {
name = lib.mkDefault "remote-builds";
nodes =
{
builder1 = builder;
builder2 = builder;
nodes = {
builder1 = builder;
builder2 = builder;
client =
{ config, lib, pkgs, ... }:
{
nix.settings.max-jobs = 0; # force remote building
nix.distributedBuilds = true;
nix.buildMachines =
[
{
hostName = "builder1";
sshUser = "root";
sshKey = "/root/.ssh/id_ed25519";
system = "i686-linux";
maxJobs = 1;
}
{
hostName = "builder2";
sshUser = "root";
sshKey = "/root/.ssh/id_ed25519";
system = "i686-linux";
maxJobs = 1;
}
];
virtualisation.writableStore = true;
virtualisation.additionalPaths = [ config.system.build.extraUtils ];
nix.settings.substituters = lib.mkForce [ ];
programs.ssh.extraConfig = "ConnectTimeout 30";
};
};
client =
{
config,
lib,
pkgs,
...
}:
{
nix.settings.max-jobs = 0; # force remote building
nix.distributedBuilds = true;
nix.buildMachines = [
{
hostName = "builder1";
sshUser = "root";
sshKey = "/root/.ssh/id_ed25519";
system = "i686-linux";
maxJobs = 1;
}
{
hostName = "builder2";
sshUser = "root";
sshKey = "/root/.ssh/id_ed25519";
system = "i686-linux";
maxJobs = 1;
}
];
virtualisation.writableStore = true;
virtualisation.additionalPaths = [ config.system.build.extraUtils ];
nix.settings.substituters = lib.mkForce [ ];
programs.ssh.extraConfig = "ConnectTimeout 30";
};
};
testScript = { nodes }: ''
# fmt: off
import subprocess
testScript =
{ nodes }:
''
# fmt: off
import subprocess
start_all()
start_all()
# Create an SSH key on the client.
subprocess.run([
"${hostPkgs.openssh}/bin/ssh-keygen", "-t", "ed25519", "-f", "key", "-N", ""
], capture_output=True, check=True)
client.succeed("mkdir -p -m 700 /root/.ssh")
client.copy_from_host("key", "/root/.ssh/id_ed25519")
client.succeed("chmod 600 /root/.ssh/id_ed25519")
# Create an SSH key on the client.
subprocess.run([
"${hostPkgs.openssh}/bin/ssh-keygen", "-t", "ed25519", "-f", "key", "-N", ""
], capture_output=True, check=True)
client.succeed("mkdir -p -m 700 /root/.ssh")
client.copy_from_host("key", "/root/.ssh/id_ed25519")
client.succeed("chmod 600 /root/.ssh/id_ed25519")
# Install the SSH key on the builders.
client.wait_for_unit("network-online.target")
for builder in [builder1, builder2]:
builder.succeed("mkdir -p -m 700 /root/.ssh")
builder.copy_from_host("key.pub", "/root/.ssh/authorized_keys")
builder.wait_for_unit("sshd")
builder.wait_for_unit("network-online.target")
# Make sure the builder can handle our login correctly
builder.wait_for_unit("multi-user.target")
# Make sure there's no funny business on the client either
# (should not be necessary, but we have reason to be careful)
client.wait_for_unit("multi-user.target")
client.succeed(f"""
ssh -o StrictHostKeyChecking=no {builder.name} \
'echo hello world on $(hostname)' >&2
""")
# Install the SSH key on the builders.
client.wait_for_unit("network-online.target")
for builder in [builder1, builder2]:
builder.succeed("mkdir -p -m 700 /root/.ssh")
builder.copy_from_host("key.pub", "/root/.ssh/authorized_keys")
builder.wait_for_unit("sshd")
builder.wait_for_unit("network-online.target")
# Make sure the builder can handle our login correctly
builder.wait_for_unit("multi-user.target")
# Make sure there's no funny business on the client either
# (should not be necessary, but we have reason to be careful)
client.wait_for_unit("multi-user.target")
client.succeed(f"""
ssh -o StrictHostKeyChecking=no {builder.name} \
'echo hello world on $(hostname)' >&2
""")
# Perform a build and check that it was performed on the builder.
out = client.succeed(
"nix-build ${expr nodes.client 1} 2> build-output",
"grep -q Hello build-output"
)
builder1.succeed(f"test -e {out}")
# Perform a build and check that it was performed on the builder.
out = client.succeed(
"nix-build ${expr nodes.client 1} 2> build-output",
"grep -q Hello build-output"
)
builder1.succeed(f"test -e {out}")
# And a parallel build.
paths = client.succeed(r'nix-store -r $(nix-instantiate ${expr nodes.client 2})\!out $(nix-instantiate ${expr nodes.client 3})\!out')
out1, out2 = paths.split()
builder1.succeed(f"test -e {out1} -o -e {out2}")
builder2.succeed(f"test -e {out1} -o -e {out2}")
# And a parallel build.
paths = client.succeed(r'nix-store -r $(nix-instantiate ${expr nodes.client 2})\!out $(nix-instantiate ${expr nodes.client 3})\!out')
out1, out2 = paths.split()
builder1.succeed(f"test -e {out1} -o -e {out2}")
builder2.succeed(f"test -e {out1} -o -e {out2}")
# And a failing build.
client.fail("nix-build ${expr nodes.client 5}")
# And a failing build.
client.fail("nix-build ${expr nodes.client 5}")
# Test whether the build hook automatically skips unavailable builders.
builder1.block()
client.succeed("nix-build ${expr nodes.client 4}")
'';
# Test whether the build hook automatically skips unavailable builders.
builder1.block()
client.succeed("nix-build ${expr nodes.client 4}")
'';
};
}