CroneKorkN
1b3f3ecf97
First N cores pin system/user/build (inline on owned slices, drop-ins on upstream system.slice and user.slice via the systemd/units '<parent>.d/<basename>.conf' convention). Remainder pins l4d2-game.slice. Reactor raises on hosts with <2 threads or system_core_count that leaves no cores for games. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
293 lines
10 KiB
Python
293 lines
10 KiB
Python
# Items for the left4me bundle.
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# Systemd units come from metadata via bundles/systemd/ — there are no
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# .service or .slice files in this bundle's files/ tree. Cpuset drop-ins
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# for system.slice / user.slice are likewise emitted via systemd/units
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# in metadata.py (key: '<parent>.d/<basename>.conf').
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directories = {
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'/opt/left4me': {
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'owner': 'left4me',
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'group': 'left4me',
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},
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'/opt/left4me/src': {
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'owner': 'left4me',
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'group': 'left4me',
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},
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'/etc/left4me': {
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'owner': 'root',
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'group': 'root',
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'mode': '0755',
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},
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'/var/lib/left4me': {
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# left4me's home dir — useradd creates with 0700; loosen to 0711 so
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# l4d2-sandbox can traverse (but not list) for bwrap bind-mounts.
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'owner': 'left4me',
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'group': 'left4me',
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'mode': '0711',
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},
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'/var/lib/left4me/installation': {'owner': 'left4me', 'group': 'left4me'},
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'/var/lib/left4me/overlays': {'owner': 'left4me', 'group': 'left4me'},
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'/var/lib/left4me/instances': {'owner': 'left4me', 'group': 'left4me'},
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'/var/lib/left4me/runtime': {'owner': 'left4me', 'group': 'left4me'},
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'/var/lib/left4me/workshop_cache': {'owner': 'left4me', 'group': 'left4me'},
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'/var/lib/left4me/tmp': {'owner': 'left4me', 'group': 'left4me'},
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'/opt/left4me/steam': {'owner': 'left4me', 'group': 'left4me'},
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'/usr/local/libexec/left4me': {
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'owner': 'root',
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'group': 'root',
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'mode': '0755',
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},
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}
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groups = {
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'left4me': {'gid': 980},
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'l4d2-sandbox': {'gid': 981},
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}
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users = {
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'left4me': {
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'uid': 980,
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'gid': 980,
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'home': '/var/lib/left4me',
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'shell': '/usr/sbin/nologin',
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},
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'l4d2-sandbox': {
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'uid': 981,
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'gid': 981,
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'shell': '/usr/sbin/nologin',
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},
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}
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# UIDs/GIDs pinned in the system-package range (100-999, per Debian
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# policy) so file ownership is deterministic across rebuilds and
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# backup restores. 980/981 are unused elsewhere in this repo.
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# Privileged helpers (mode 0755 root:root). Listed by sudoers as the only
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# commands left4me can invoke as root NOPASSWD.
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HELPERS = (
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'left4me-systemctl',
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'left4me-journalctl',
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'left4me-overlay',
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'left4me-script-sandbox',
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)
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files = {
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'/usr/local/sbin/left4me': {
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'source': 'usr/local/sbin/left4me', # explicit — basename collides with sudoers
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'mode': '0755',
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'owner': 'root',
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'group': 'root',
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},
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**{
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f'/usr/local/libexec/left4me/{h}': {
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'source': f'usr/local/libexec/left4me/{h}',
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'mode': '0755',
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'owner': 'root',
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'group': 'root',
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}
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for h in HELPERS
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},
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'/etc/left4me/sandbox-resolv.conf': {
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'source': 'etc/left4me/sandbox-resolv.conf',
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'mode': '0644',
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'owner': 'root',
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'group': 'root',
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},
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'/etc/sudoers.d/left4me': {
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'source': 'etc/sudoers.d/left4me',
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'mode': '0440',
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'owner': 'root',
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'group': 'root',
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'test_with': 'visudo -cf {}',
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},
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'/etc/sysctl.d/99-left4me.conf': {
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'source': 'etc/sysctl.d/99-left4me.conf',
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'mode': '0644',
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'owner': 'root',
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'group': 'root',
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'triggers': [
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'action:left4me_sysctl_reload',
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],
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},
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'/etc/left4me/host.env': {
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'source': 'etc/left4me/host.env.mako',
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'content_type': 'mako',
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'mode': '0644',
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'owner': 'root',
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'group': 'root',
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},
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'/etc/left4me/web.env': {
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'source': 'etc/left4me/web.env.mako',
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'content_type': 'mako',
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'mode': '0640',
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'owner': 'root',
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'group': 'left4me',
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'needs': [
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'group:left4me',
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],
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},
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}
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actions = {
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'left4me_sysctl_reload': {
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'command': 'sysctl --system >/dev/null',
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'triggered': True,
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},
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'left4me_dpkg_add_i386_arch': {
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# steamcmd is 32-bit and pulls libc6:i386 + lib32z1 from the i386 arch.
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# apt-get update is part of this action because newly-added foreign
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# archs need a fresh package list before any :i386 package resolves.
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'command': 'dpkg --add-architecture i386 && apt-get update',
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'unless': 'dpkg --print-foreign-architectures | grep -qx i386',
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'cascade_skip': False,
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},
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'left4me_install_steamcmd': {
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# Steam's tarball is rolling with no published checksum, so we can't
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# use download: (which requires a hash). Guard with a presence check
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# on steamcmd.sh — steamcmd self-updates at runtime, so chasing the
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# tarball version from bw isn't useful.
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'command': (
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'sudo -u left4me sh -c "'
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'cd /opt/left4me/steam && '
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'curl -fsSL https://media.steampowered.com/installer/steamcmd_linux.tar.gz | '
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'tar -xz'
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'"'
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),
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'unless': 'test -x /opt/left4me/steam/steamcmd.sh',
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'cascade_skip': False,
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'needs': [
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'directory:/opt/left4me/steam',
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'pkg_apt:curl',
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'pkg_apt:libc6_i386', # bw pkg_apt convention: _ → :
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'pkg_apt:lib32z1',
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'user:left4me',
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],
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},
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}
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# steamcmd is invoked by absolute path (LEFT4ME_STEAMCMD in host.env),
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# not via PATH lookup — see l4d2host/cli.py:install. We don't need to put
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# anything in /usr/local/bin for it.
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git_deploy = {
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'/opt/left4me/src': {
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'repo': node.metadata.get('left4me/git_url'),
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'rev': node.metadata.get('left4me/git_branch'),
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'triggers': [
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# On a code-update apply, refresh the DB schema. pip_install
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# would have triggered alembic in the create_venv path, but on
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# a normal apply pip_install's `unless` skips (packages still
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# importable from the previous editable install), and that
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# would leave alembic_upgrade dormant. Wiring git_deploy →
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# alembic directly ensures new migrations land whenever new
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# code lands. alembic upgrade head is idempotent (no-op when
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# already at head), so this is safe to fire on every code
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# update; the seed_overlays + service:restart cascade off
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# alembic also covers picking up the new code in gunicorn.
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'action:left4me_alembic_upgrade',
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],
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# chown_src and pip_install are NOT in triggers — they run every
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# apply gated by their own `unless` guards, which makes the chain
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# self-healing after a partial failure. (Items in a triggers list
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# must be triggered:True, which would lose that property.)
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},
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}
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actions['left4me_chown_src'] = {
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# Runs every apply (cheap — chown -R on a small tree). Self-heals
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# whenever git_deploy extracts a new tarball as root-owned files.
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# Not in any triggers list so doesn't need triggered:True.
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'command': 'chown -R left4me:left4me /opt/left4me/src',
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'unless': 'test -z "$(find /opt/left4me/src \\! -user left4me -print -quit 2>/dev/null)"',
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'cascade_skip': False,
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'needs': [
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'git_deploy:/opt/left4me/src',
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'user:left4me',
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'group:left4me',
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],
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}
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actions['left4me_create_venv'] = {
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'command': 'sudo -u left4me /usr/bin/python3 -m venv /opt/left4me/.venv',
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'unless': 'test -x /opt/left4me/.venv/bin/python',
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'cascade_skip': False,
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'needs': [
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'directory:/opt/left4me',
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'pkg_apt:python3-venv',
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'user:left4me',
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],
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'triggers': [
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'action:left4me_pip_upgrade',
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],
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}
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actions['left4me_pip_upgrade'] = {
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'command': 'sudo -u left4me /opt/left4me/.venv/bin/python -m pip install --upgrade pip',
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'triggered': True,
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'cascade_skip': False,
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'needs': [
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'pkg_apt:python3-pip',
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],
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# No triggers — pip_install runs on every apply (gated by `unless`)
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# rather than being chained from here. Keeps pip_upgrade scoped to
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# exactly its purpose.
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}
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actions['left4me_pip_install'] = {
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# Single pip invocation installs both editable packages from the same
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# checkout. Runs on every apply: pip install -e is fast on no-op, and
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# any gate weaker than "egg-info matches pyproject.toml" can mask
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# script regeneration — e.g. adding [project.scripts] later wouldn't
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# be picked up if `unless` only checks importability.
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'command': 'sudo -u left4me /opt/left4me/.venv/bin/pip install -e /opt/left4me/src/l4d2host -e /opt/left4me/src/l4d2web',
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'cascade_skip': False,
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'needs': [
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'git_deploy:/opt/left4me/src',
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'action:left4me_create_venv',
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'action:left4me_chown_src',
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],
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'triggers': [
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'action:left4me_alembic_upgrade',
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],
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}
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actions['left4me_alembic_upgrade'] = {
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# Mirrors deploy-test-server.sh:239-242. Runs as left4me with both env
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# files sourced; JOB_WORKER_ENABLED=false so a stray worker doesn't race
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# with the migration.
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'command': (
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'sudo -u left4me sh -c "'
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'cd /opt/left4me/src/l4d2web && '
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'set -a && . /etc/left4me/host.env && . /etc/left4me/web.env && set +a && '
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'env JOB_WORKER_ENABLED=false PYTHONPATH=/opt/left4me/src '
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'/opt/left4me/.venv/bin/alembic -c /opt/left4me/src/l4d2web/alembic.ini upgrade head'
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'"'
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),
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'triggered': True,
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'cascade_skip': False,
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'needs': [
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'action:left4me_pip_install',
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'file:/etc/left4me/host.env',
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'file:/etc/left4me/web.env',
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],
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'triggers': [
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'action:left4me_seed_overlays',
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'svc_systemd:left4me-web.service:restart',
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],
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}
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actions['left4me_seed_overlays'] = {
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# Idempotent: refreshes script bodies in place; existing overlay rows keep their ids.
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'command': (
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'sudo -u left4me sh -c "'
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'set -a && . /etc/left4me/host.env && . /etc/left4me/web.env && set +a && '
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'env JOB_WORKER_ENABLED=false PYTHONPATH=/opt/left4me/src '
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'/opt/left4me/.venv/bin/flask --app l4d2web.app:create_app '
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'seed-script-overlays /opt/left4me/src/examples/script-overlays'
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'"'
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),
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'triggered': True,
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'cascade_skip': False,
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'needs': [
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'action:left4me_alembic_upgrade',
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],
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}
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