autonomic-bot
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3-stage run green (install/upgrade/backup), clean teardown. backupbot deployed via reconcile oneshot; PTY (script) for abra backup/restore; -m for secret generate (no value leak). M5 CLAIMED. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
50 lines
2.0 KiB
Nix
50 lines
2.0 KiB
Nix
# backup-bot-two (M5): the Co-op Cloud backup service. `abra app backup create <app>` / restore
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# talk to it; it snapshots volumes labelled `backupbot.backup=true` into a local restic repo.
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# Idempotent-reconcile oneshot (same pattern as proxy/drone). restic_password is abra-generated
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# (class-B-style internal secret) and kept stable across reconciles (only generated if missing).
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{ pkgs, ... }:
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let
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reconcile = pkgs.writeShellApplication {
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name = "cc-ci-reconcile-backupbot";
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runtimeInputs = with pkgs; [ abra docker gnused gnugrep coreutils git ];
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text = ''
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DOMAIN="backups.ci.commoninternet.net" # identity/stack name only; no web route
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ENV_FILE="$HOME/.abra/servers/default/$DOMAIN.env"
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abra server ls -m -n >/dev/null 2>&1 || abra server add --local -n || true
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abra recipe fetch backup-bot-two -n >/dev/null
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[ -f "$ENV_FILE" ] || abra app new backup-bot-two -s default -D "$DOMAIN" -n
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set_env() {
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sed -i -E "/^[[:space:]]*#?[[:space:]]*$1=/d" "$ENV_FILE"
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printf '%s=%s\n' "$1" "$2" >> "$ENV_FILE"
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}
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set_env RESTIC_REPOSITORY /backups/restic
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set_env SECRET_RESTIC_PASSWORD_VERSION v1
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set_env CRONJOB_VERSION v1
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have_secret() { docker secret ls --format '{{.Name}}' | grep -q "_$1_v1$"; }
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# -m avoids the TTY/table (ioctl) path; redirect stdout so generated values never hit logs (D6).
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have_secret restic_password || abra app secret generate "$DOMAIN" --all -m -n >/dev/null
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abra app deploy "$DOMAIN" -n -C
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'';
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};
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in
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{
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systemd.services.deploy-backupbot = {
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description = "Reconcile backup-bot-two (volume backups via restic) via abra";
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after = [ "swarm-init.service" "docker.service" "network-online.target" ];
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requires = [ "swarm-init.service" "docker.service" ];
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wants = [ "network-online.target" ];
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wantedBy = [ "multi-user.target" ];
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environment.HOME = "/root";
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serviceConfig = {
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Type = "oneshot";
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RemainAfterExit = true;
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ExecStart = "${reconcile}/bin/cc-ci-reconcile-backupbot";
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};
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};
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}
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