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workstation: setup-devvm.sh installs the systemd service layer (reproducible rebuild)

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The t3 system units (t3-serve@, t3-autoupdate, t3-backup-state, t3-provision-users,
t3-dispatch) + the t3-dispatch Go binary + t3-mint + the sudoers grant were all
hand-scp'd and would NOT survive a fresh devvm. setup-devvm.sh now installs + enables
them: build-if-absent for the Go binary, visudo-validated sudoers (a malformed
/etc/sudoers.d file breaks all sudo), timers self-heal, t3-dispatch system account
created if absent. t3-serve@ stays a per-user template enabled by the provisioner;
the ttyd terminal-lobby chain ships from its own repo (viktor/terminal-lobby).

Verified: shellcheck clean, go build compiles, visudo parses the sudoers, units parse.
NOT run live (would re-assert apt/npm on the shared host) — exercised on next rebuild.

[ci skip]

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
Viktor Barzin 2026-06-10 09:07:20 +00:00
parent d9ea7812f5
commit 312c418a9a
1 changed files with 41 additions and 0 deletions
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41
scripts/workstation/setup-devvm.sh
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@ -127,4 +127,45 @@ if command -v vault >/dev/null; then
fi
fi
# 9) service layer: install + enable the machine-wide systemd units (sources in
# infra/scripts/) so a rebuild reproduces them — previously hand-scp'd, they would
# NOT survive a fresh box. Per-user t3-serve@ INSTANCES are enabled by the
# provisioner; the ttyd terminal-lobby chain ships from its own repo
# (forgejo viktor/terminal-lobby, scripts/deploy.sh) — not duplicated here.
SCRIPTS="$HERE/.."
# 9a) scripts the units exec (t3-provision-users already deployed in section 6)
install -m 0755 "$SCRIPTS/t3-autoupdate.sh" /usr/local/bin/t3-autoupdate
install -m 0755 "$SCRIPTS/t3-backup-state.sh" /usr/local/bin/t3-backup-state
install -m 0755 "$SCRIPTS/t3-mint" /usr/local/bin/t3-mint
# 9b) t3-dispatch: unprivileged system account + compiled Go binary (build-if-absent)
id -u t3-dispatch >/dev/null 2>&1 || useradd --system --no-create-home --shell /usr/sbin/nologin t3-dispatch
if [[ ! -x /usr/local/bin/t3-dispatch ]]; then
if command -v go >/dev/null; then
log "building t3-dispatch (Go)"; ( cd "$SCRIPTS/t3-dispatch" && go build -o /usr/local/bin/t3-dispatch . )
else
log "WARN: go absent -> cannot build t3-dispatch; install golang-go or deploy the binary"
fi
fi
# 9c) sudoers: t3-dispatch may run ONLY t3-mint as root. A malformed file in
# /etc/sudoers.d breaks ALL sudo, so validate with visudo when available.
if ! command -v visudo >/dev/null || visudo -cf "$SCRIPTS/sudoers-t3-autopair" >/dev/null; then
install -m 0440 "$SCRIPTS/sudoers-t3-autopair" /etc/sudoers.d/t3-autopair
else
log "WARN: sudoers-t3-autopair failed visudo validation -> NOT installed"
fi
# 9d) unit files + enablement. Timers self-heal; t3-dispatch is long-running.
# t3-serve@ is a TEMPLATE (enabled per-user by the provisioner, not here).
for u in t3-serve@.service \
t3-autoupdate.service t3-autoupdate.timer \
t3-backup-state.service t3-backup-state.timer \
t3-provision-users.service t3-provision-users.timer \
t3-dispatch.service; do
install -m 0644 "$SCRIPTS/$u" "/etc/systemd/system/$u"
done
systemctl daemon-reload
systemctl enable --now t3-dispatch.service \
t3-autoupdate.timer t3-backup-state.timer t3-provision-users.timer >/dev/null 2>&1 || \
log "WARN: some units failed to enable (check: systemctl status t3-dispatch t3-*.timer)"
log "service units installed + enabled (t3-dispatch + 3 timers; t3-serve@ per-user)"
log "OK (idempotent)"