Updating preflights

jeannie

@@ -2051,8 +2051,18 @@ preflight_warn() {
 
 check_gitea_reachable() {
     local gitea_url="${LAB_GITEA_LOCAL_URL:-http://${LAB_GITEA_HOST:-192.168.100.73}:${LAB_GITEA_HTTP_PORT:-3000}/}"
+    local output
 
-    curl -fsS --max-time 10 "${gitea_url}" >/dev/null
+    if output="$(curl -fsS --max-time 10 "${gitea_url}" 2>&1 >/dev/null)"; then
+        return 0
+    fi
+
+    printf '%s\n' "${output}" >&2
+    cat >&2 <<'EOF'
+Gitea local HTTP failed. Run ./jeannie doctor-gitea --verbose.
+If the local Gitea container is down or unhealthy, run ./jeannie deploy-gitea.
+EOF
+    return 1
 }
 
 check_debian_docker_root() {
@@ -6683,6 +6693,8 @@ EOF
 
 nuke() {
     local target
+    local target_host
+    local worker_known_hosts_file="${REPO_ROOT}/.lab/rebuild-worker-known_hosts"
     declare -a CLUSTER_WORKER_TARGETS=()
 
     require_debian_server "nuke"
@@ -6698,6 +6710,12 @@ EOF
     echo "Brutally nuking the homelab infrastructure..."
     cluster_worker_targets
 
+    if ((${#CLUSTER_WORKER_TARGETS[@]} > 0)); then
+        mkdir -p "$(dirname "${worker_known_hosts_file}")"
+        touch "${worker_known_hosts_file}"
+        chmod 0600 "${worker_known_hosts_file}"
+    fi
+
     echo "--> Terminating local OpenTofu tasks..."
     killall tofu terraform 2>/dev/null || true
 
@@ -6707,7 +6725,10 @@ EOF
 
     for target in "${CLUSTER_WORKER_TARGETS[@]}"; do
         echo "--> Eviscerating remote Kubernetes components (${target})..."
-        if ! ssh -o ConnectTimeout=5 "${target}" "bash -s" <<'EOF'
+        target_host="${target#*@}"
+        target_host="${target_host%%:*}"
+        ssh-keygen -R "${target_host}" -f "${worker_known_hosts_file}" >/dev/null 2>&1 || true
+        if ! ssh -o ConnectTimeout=5 -o StrictHostKeyChecking=accept-new -o UserKnownHostsFile="${worker_known_hosts_file}" "${target}" "bash -s" <<'EOF'
 set -euo pipefail
 
 cleanup_calico_links() {