110 lines
3.7 KiB
Bash
110 lines
3.7 KiB
Bash
#!/bin/bash
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# Tier-1 dispatch for listmonk component operations.
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set -euo pipefail
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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cd "$SCRIPT_DIR"
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[ -f "${SCRIPT_DIR}/env-listmonk" ] && source "${SCRIPT_DIR}/env-listmonk"
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LISTMONK_NAME="${LISTMONK_NAME:-listmonk}"
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LISTMONK_NAMESPACE="${LISTMONK_NAMESPACE:-listmonk-svc}"
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LISTMONK_HTTP_PORT="${LISTMONK_HTTP_PORT:-9000}"
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CMD_TSK="${CMD_TSK:-${1:-install}}"
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_resolve_kubeconfig() {
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if [ -n "${KUBECONFIG:-}" ] && [ -f "$KUBECONFIG" ]; then
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return
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fi
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for candidate in /var/lib/k0s/pki/admin.conf /etc/kubernetes/admin.conf /root/.kube/config; do
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if [ -f "$candidate" ]; then
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export KUBECONFIG="$candidate"
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return
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fi
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done
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echo "ERROR: kubeconfig not found — set KUBECONFIG explicitly" >&2; exit 1
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}
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_kubectl() {
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if command -v kubectl >/dev/null 2>&1; then
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command kubectl "$@"
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elif command -v k0s >/dev/null 2>&1; then
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k0s kubectl "$@"
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else
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echo "ERROR: no kubectl or k0s binary found" >&2; exit 127
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fi
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}
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_wait_for_pod() {
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local timeout="${1:-300}"
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_kubectl wait pod \
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--namespace "$LISTMONK_NAMESPACE" \
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--selector "app.kubernetes.io/name=${LISTMONK_NAME}" \
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--for=condition=Ready \
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--timeout="${timeout}s"
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}
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_do_install() {
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for manifest in namespace.yaml certificate.yaml referencegrant.yaml \
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pvc.yaml deployment.yaml service.yaml httproute.yaml; do
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local path="$SCRIPT_DIR/manifests/${manifest}"
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[ -f "$path" ] && _kubectl apply -f "$path"
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done
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echo "Waiting for ${LISTMONK_NAME} pod to be ready..."
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_wait_for_pod 300
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echo "${LISTMONK_NAME} installed in namespace ${LISTMONK_NAMESPACE}"
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}
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_do_update() {
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for manifest in httproute.yaml deployment.yaml; do
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local path="$SCRIPT_DIR/manifests/${manifest}"
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[ -f "$path" ] && _kubectl apply -f "$path"
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done
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_kubectl rollout restart "deployment/${LISTMONK_NAME}" --namespace "$LISTMONK_NAMESPACE"
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echo "Waiting for ${LISTMONK_NAME} to restart..."
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_wait_for_pod 180
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echo "${LISTMONK_NAME} updated"
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}
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_do_delete() {
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for manifest in httproute.yaml deployment.yaml service.yaml; do
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local path="$SCRIPT_DIR/manifests/${manifest}"
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[ -f "$path" ] && _kubectl delete -f "$path" --ignore-not-found
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done
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echo "${LISTMONK_NAME} deleted (namespace and PVC preserved)"
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}
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_do_restart() {
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_kubectl rollout restart "deployment/${LISTMONK_NAME}" --namespace "$LISTMONK_NAMESPACE"
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_wait_for_pod 180
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echo "${LISTMONK_NAME} restarted"
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}
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_do_health() {
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local pod
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pod=$(_kubectl get pod \
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--namespace "$LISTMONK_NAMESPACE" \
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--selector "app.kubernetes.io/name=${LISTMONK_NAME}" \
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-o jsonpath='{.items[0].metadata.name}' 2>/dev/null)
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if [ -z "$pod" ]; then
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echo "UNHEALTHY: no pod found for ${LISTMONK_NAME} in ${LISTMONK_NAMESPACE}" >&2; exit 1
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fi
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if _kubectl exec --namespace "$LISTMONK_NAMESPACE" "$pod" -- \
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wget -qO- "http://localhost:${LISTMONK_HTTP_PORT}/api/health" >/dev/null 2>&1; then
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echo "HEALTHY: ${LISTMONK_NAME} responding at /api/health"
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else
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echo "UNHEALTHY: ${LISTMONK_NAME} did not respond to /api/health" >&2; exit 1
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fi
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}
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_resolve_kubeconfig
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case "$CMD_TSK" in
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install) [ -f "$SCRIPT_DIR/run-init.sh" ] && exec bash "$SCRIPT_DIR/run-init.sh"; _do_install ;;
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update) [ -f "$SCRIPT_DIR/run-update.sh" ] && exec bash "$SCRIPT_DIR/run-update.sh"; _do_update ;;
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delete) [ -f "$SCRIPT_DIR/run-delete.sh" ] && exec bash "$SCRIPT_DIR/run-delete.sh"; _do_delete ;;
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restart) [ -f "$SCRIPT_DIR/run-restart.sh" ] && exec bash "$SCRIPT_DIR/run-restart.sh"; _do_restart ;;
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health) _do_health ;;
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*) echo "ERROR: unknown CMD_TSK='${CMD_TSK}'. Valid: install|update|delete|restart|health" >&2; exit 1 ;;
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esac
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