Deployment and lifecycle management for Nix
agent: handle nixos upgrades
+34
-3
+34
-3
apps/sower_agent/lib/sower_agent/seed.ex
+34
-3
apps/sower_agent/lib/sower_agent/seed.ex
···
23
23
end
24
24
end
25
25
26
-
def activate(%Seed{seed_type: "nixos"}) do
27
-
# err = setProfile("/nix/var/nix/profiles/system", storePath)
28
-
# switchCmd := exec.Command(fmt.Sprintf("%s/bin/switch-to-configuration", storePath), mode)
26
+
def activate(%Seed{seed_type: "nixos"} = seed) do
27
+
{_, 0} =
28
+
maybe_sudo_cmd(
29
+
"nix-env",
30
+
[
31
+
"--set",
32
+
"--profile",
33
+
Nix.NixOS.profile_path(),
34
+
seed.artifact
35
+
]
36
+
)
37
+
38
+
case maybe_sudo_cmd("#{seed.artifact}/bin/switch-to-configuration", ["switch"],
39
+
into: [],
40
+
lines: 1024,
41
+
stderr_to_stdout: true
42
+
) do
43
+
{output, 0} ->
44
+
Logger.debug(output: output)
45
+
{:ok, output}
46
+
47
+
{output, code} ->
48
+
Logger.error(msg: "Failed to activate", output: output, return_code: code)
49
+
{:error, code}
50
+
end
51
+
29
52
{:error, :TODO}
53
+
end
54
+
55
+
defp maybe_sudo_cmd(command, args, opts \\ []) do
56
+
if Application.get_env(:sower_agent, :sudo, false) do
57
+
System.cmd("sudo", [command | args], opts)
58
+
else
59
+
System.cmd(command, args, opts)
60
+
end
30
61
end
31
62
end