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gitea-migration/phase3_teardown.sh

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#!/usr/bin/env bash
set -euo pipefail
# =============================================================================
# phase3_teardown.sh — Tear down all runners defined in runners.conf
# For each runner: calls manage_runner.sh remove to stop and clean up.
# Clears GITEA_RUNNER_REGISTRATION_TOKEN from .env since it becomes useless
# after all runners are removed.
# Safe to run against already-torn-down runners (no errors).
# =============================================================================
SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
source "${SCRIPT_DIR}/lib/common.sh"
# Parse arguments
AUTO_YES=false
for arg in "$@"; do
case "$arg" in
--yes|-y) AUTO_YES=true ;;
--help|-h)
cat <<EOF
Usage: $(basename "$0") [options]
Options:
--yes, -y Skip all confirmation prompts
--help, -h Show this help
EOF
exit 0
;;
*)
log_error "Unknown argument: $arg"
exit 1
;;
esac
done
confirm_action() {
local prompt="$1"
if [[ "$AUTO_YES" == "true" ]]; then
log_info "Auto-confirmed (--yes): ${prompt}"
return 0
fi
printf '%s' "$prompt"
read -r confirm
[[ "$confirm" =~ ^[Yy]$ ]]
}
load_env
log_warn "=== Phase 3 Teardown: Runners ==="
RUNNERS_CONF="${SCRIPT_DIR}/runners.conf"
if [[ ! -f "$RUNNERS_CONF" ]]; then
log_info "runners.conf not found — nothing to tear down"
exit 0
fi
# Track whether teardown encountered operational errors (not user skips).
TEARDOWN_FAILED=false
REMOVED=0
FAILED=0
# ---------------------------------------------------------------------------
# Step 1: Remove each runner via manage_runner.sh
# manage_runner.sh handles its own safety (skips already-removed runners).
# ---------------------------------------------------------------------------
if confirm_action 'This will stop and remove all runners. Continue? [y/N] '; then
while IFS= read -r name; do
[[ -z "$name" ]] && continue
log_info "Removing runner: ${name}"
if "${SCRIPT_DIR}/manage_runner.sh" remove --name "$name"; then
REMOVED=$((REMOVED + 1))
else
log_error "Failed to remove runner: ${name}"
FAILED=$((FAILED + 1))
TEARDOWN_FAILED=true
fi
done < <(ini_list_sections "$RUNNERS_CONF")
TOTAL=$((REMOVED + FAILED))
log_info "Results: ${REMOVED} removed, ${FAILED} failed (out of ${TOTAL})"
else
log_info "Skipped runner removal"
fi
# ---------------------------------------------------------------------------
# Step 2: Clear the registration token from .env
# Only clear if no runners failed — a partial teardown should preserve the
# token so the user can retry without needing to regenerate it.
# ---------------------------------------------------------------------------
if $TEARDOWN_FAILED; then
log_info "Keeping GITEA_RUNNER_REGISTRATION_TOKEN in .env because some runners failed to remove"
elif [[ -n "${GITEA_RUNNER_REGISTRATION_TOKEN:-}" ]]; then
save_env_var "GITEA_RUNNER_REGISTRATION_TOKEN" ""
log_success "GITEA_RUNNER_REGISTRATION_TOKEN cleared from .env"
fi
if $TEARDOWN_FAILED; then
log_error "Phase 3 teardown completed with errors"
exit 1
fi
log_success "Phase 3 teardown complete"