81439fa710
hive-priv copies a stopped container's root to the agent's work dir and renames it aside before passing nspawn --ephemeral; the agent's nix state moves to the persistent profiles bind. Adds the agent-ephemeral-rootfs vm test and a module-eval case for the nix state redirect.
81 lines
3.5 KiB
Nix
81 lines
3.5 KiB
Nix
# `checks.module-eval-agent-user` — see ./lib.nix for the shared
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# rationale (why this suite exists, naming convention, "evaluates
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# not executes").
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{
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pkgs,
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lib,
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self,
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nixosSystem,
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}:
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let
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inherit
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(import ./lib.nix {
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inherit
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pkgs
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lib
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self
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nixosSystem
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;
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})
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agentWith
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runGroup
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;
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# A named agent, so the rendered script carries a name no default supplies.
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migrate =
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(agentWith { services.hyperhive.agent.user.name = "iris"; })
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.system.activationScripts.hive-agent-user-migrate.text;
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# The tmpfiles rules of the same named agent.
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rules = (agentWith { services.hyperhive.agent.user.name = "iris"; }).systemd.tmpfiles.rules;
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cases = [
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{
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# hive-c0re creates the host work dir as hive-core; this activation is
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# the only thing that lets the agent write to it.
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name = "the agent's activation hands its own work dir to the agent user";
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ok =
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lib.hasInfix ''if [ "$(stat -c %U "/agents/$userName/work")" != "$userName" ]; then'' migrate
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&& lib.hasInfix ''heal_own_dir "/agents/$userName/work"'' migrate;
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}
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{
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# The helper is the only recursive chown of these dirs; it must hand the
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# tree to the agent user and log a failure rather than discard it.
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name = "the agent's activation hands state, harness and .claude to the agent user, logging failures";
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ok =
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lib.hasInfix ''chown -hR "$userName:$userName" "$1" 2>&1'' migrate
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&& lib.hasInfix "could not chown $1 to $userName" migrate
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&& lib.hasInfix ''heal_own_dir "/agents/$userName/state"'' migrate
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&& lib.hasInfix ''heal_own_dir "/agents/$userName/harness"'' migrate
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&& lib.hasInfix ''heal_own_dir "$homeDir/.claude"'' migrate;
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}
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{
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# hive-priv creates the host socket dir `0751 root` and never chowns it,
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# so this activation is the only thing that lets the harness bind there.
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name = "the agent's activation hands its socket dir to the agent user at 0751";
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ok =
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lib.hasInfix "userName=${lib.escapeShellArg "iris"}" migrate
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&& lib.hasInfix ''socketDir="/run/hive-agent/$userName"'' migrate
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&& lib.hasInfix ''chown -h "$userName:$userName" "$socketDir"'' migrate
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&& lib.hasInfix ''chmod 0751 "$socketDir"'' migrate;
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}
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{
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# `test -d` and `chmod` follow symlinks, so without this refusal ahead
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# of the chown branch a link at the socket dir is chmodded at its target.
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name = "the agent's activation refuses a symlinked or non-directory socket dir";
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ok =
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lib.hasInfix ''if [ -L "$socketDir" ] || { [ -e "$socketDir" ] && [ ! -d "$socketDir" ]; }; then'' migrate
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&& lib.hasInfix ''elif [ -d "$socketDir" ]; then'' migrate;
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}
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{
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# The container root is rebuilt at every start; nix keeps a non-root
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# user's profile in the home, so these rules are the only thing that puts
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# it in the persistent per-container profiles bind. The `d` and `L` rules
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# are each other's control: a misspelled path in one still finds the other.
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name = "the agent's tmpfiles rules keep nix's per-user state in the persistent profiles bind";
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ok =
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lib.elem "d /nix/var/nix/profiles/per-user/iris 0755 iris iris - -" rules
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&& lib.elem "L /home/iris/.local/state/nix - - - - /nix/var/nix/profiles/per-user/iris" rules
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&& lib.elem "L /home/iris/.nix-profile - - - - /home/iris/.local/state/nix/profiles/profile" rules;
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}
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];
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in
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runGroup "agent-user" cases
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