provisioning-catalog/components/cap/cluster/install-cap.sh

114 lines
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#!/bin/bash
# Tier-1 dispatch for cap component operations.
# Delegates to generated run-{op}.sh scripts when present (manifest-plan workflow),
# or falls back to inline _do_{op} functions for direct invocation.
set -euo pipefail
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
cd "$SCRIPT_DIR"
[ -f "${SCRIPT_DIR}/env-cap" ] && source "${SCRIPT_DIR}/env-cap"
CAP_NAME="${CAP_NAME:-cap}"
CAP_NAMESPACE="${CAP_NAMESPACE:-cap-svc}"
CAP_HTTP_PORT="${CAP_HTTP_PORT:-3000}"
CMD_TSK="${CMD_TSK:-${1:-install}}"
_resolve_kubeconfig() {
if [ -n "${KUBECONFIG:-}" ] && [ -f "$KUBECONFIG" ]; then
return
fi
for candidate in /var/lib/k0s/pki/admin.conf /etc/kubernetes/admin.conf /root/.kube/config; do
if [ -f "$candidate" ]; then
export KUBECONFIG="$candidate"
return
fi
done
echo "ERROR: kubeconfig not found — set KUBECONFIG explicitly" >&2; exit 1
}
_kubectl() {
if command -v kubectl >/dev/null 2>&1; then
command kubectl "$@"
elif command -v k0s >/dev/null 2>&1; then
k0s kubectl "$@"
else
echo "ERROR: no kubectl or k0s binary found" >&2; exit 127
fi
}
_wait_for_pod() {
local timeout="${1:-300}"
_kubectl wait pod \
--namespace "$CAP_NAMESPACE" \
--selector "app.kubernetes.io/name=${CAP_NAME}" \
--for=condition=Ready \
--timeout="${timeout}s"
}
_do_install() {
for manifest in namespace.yaml certificate.yaml referencegrant.yaml \
valkey-pvc.yaml valkey-deployment.yaml valkey-service.yaml \
deployment.yaml service.yaml httproute.yaml; do
local path="$SCRIPT_DIR/manifests/${manifest}"
[ -f "$path" ] && _kubectl apply -f "$path"
done
echo "Waiting for ${CAP_NAME} pod to be ready..."
_wait_for_pod 300
echo "${CAP_NAME} installed in namespace ${CAP_NAMESPACE}"
}
_do_update() {
for manifest in httproute.yaml deployment.yaml; do
local path="$SCRIPT_DIR/manifests/${manifest}"
[ -f "$path" ] && _kubectl apply -f "$path"
done
_kubectl rollout restart "deployment/${CAP_NAME}" --namespace "$CAP_NAMESPACE"
echo "Waiting for ${CAP_NAME} to restart..."
_wait_for_pod 180
echo "${CAP_NAME} updated in namespace ${CAP_NAMESPACE}"
}
_do_delete() {
for manifest in httproute.yaml deployment.yaml service.yaml \
valkey-service.yaml valkey-deployment.yaml; do
local path="$SCRIPT_DIR/manifests/${manifest}"
[ -f "$path" ] && _kubectl delete -f "$path" --ignore-not-found
done
echo "${CAP_NAME} deleted from namespace ${CAP_NAMESPACE}"
}
_do_restart() {
_kubectl rollout restart "deployment/${CAP_NAME}" --namespace "$CAP_NAMESPACE"
_wait_for_pod 180
echo "${CAP_NAME} restarted"
}
_do_health() {
local pod
pod=$(_kubectl get pod \
--namespace "$CAP_NAMESPACE" \
--selector "app.kubernetes.io/name=${CAP_NAME}" \
-o jsonpath='{.items[0].metadata.name}' 2>/dev/null)
if [ -z "$pod" ]; then
echo "UNHEALTHY: no pod found for ${CAP_NAME} in ${CAP_NAMESPACE}" >&2; exit 1
fi
if _kubectl exec --namespace "$CAP_NAMESPACE" "$pod" -- \
wget -qO- "http://localhost:${CAP_HTTP_PORT}/" >/dev/null 2>&1; then
echo "HEALTHY: ${CAP_NAME} responding"
else
echo "UNHEALTHY: ${CAP_NAME} did not respond" >&2; exit 1
fi
}
_resolve_kubeconfig
case "$CMD_TSK" in
install) [ -f "$SCRIPT_DIR/run-init.sh" ] && exec bash "$SCRIPT_DIR/run-init.sh"; _do_install ;;
update) [ -f "$SCRIPT_DIR/run-update.sh" ] && exec bash "$SCRIPT_DIR/run-update.sh"; _do_update ;;
delete) [ -f "$SCRIPT_DIR/run-delete.sh" ] && exec bash "$SCRIPT_DIR/run-delete.sh"; _do_delete ;;
restart) [ -f "$SCRIPT_DIR/run-restart.sh" ] && exec bash "$SCRIPT_DIR/run-restart.sh"; _do_restart ;;
health) _do_health ;;
*) echo "ERROR: unknown CMD_TSK='${CMD_TSK}'. Valid: install|update|delete|restart|health" >&2; exit 1 ;;
esac