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

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#!/bin/bash
# Methods library for cap — sourced by install-cap.sh and generated run-*.sh scripts.
# SCRIPT_DIR must be set before sourcing.
_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
}
_require_env() {
local var="$1"
if [ -z "${!var:-}" ]; then
echo "ERROR: required variable $var is not set" >&2; exit 1
fi
}
_pod_name() {
_kubectl get pod \
--namespace "$CAP_NAMESPACE" \
--selector "app.kubernetes.io/name=${CAP_NAME}" \
-o jsonpath='{.items[0].metadata.name}' 2>/dev/null
}
_wait_for_pod() {
local timeout="${1:-300}"
_kubectl wait pod \
--namespace "$CAP_NAMESPACE" \
--selector "app.kubernetes.io/name=${CAP_NAME}" \
--for=condition=Ready \
--timeout="${timeout}s"
}
# ── Manifest plan helpers ─────────────────────────────────────────────────────
_plan_apply() {
local file="$1"
local path="$SCRIPT_DIR/manifests/${file}.yaml"
[ -f "$path" ] || { echo " [skip] ${file}.yaml not in manifests/"; return 0; }
_kubectl apply -f "$path"
}
_plan_apply_skip() {
local file="$1"
local path="$SCRIPT_DIR/manifests/${file}.yaml"
[ -f "$path" ] || { echo " [skip] ${file}.yaml not in manifests/"; return 0; }
if _kubectl get -f "$path" >/dev/null 2>&1; then
echo " [skip] ${file} already exists in cluster"
return 0
fi
_kubectl apply -f "$path"
}
_plan_rollout_restart() {
local file="$1"
local path="$SCRIPT_DIR/manifests/${file}.yaml"
[ -f "$path" ] || { echo " [skip] ${file}.yaml not in manifests/"; return 0; }
_kubectl rollout restart -f "$path"
}
_plan_delete() {
local file="$1"
local path="$SCRIPT_DIR/manifests/${file}.yaml"
[ -f "$path" ] || { echo " [skip] ${file}.yaml not in manifests/"; return 0; }
_kubectl delete -f "$path" --ignore-not-found
}
# shellcheck source=lib/gateway-tls.sh
source "${SCRIPT_DIR}/lib/gateway-tls.sh"
_method_patch-gateway-https() {
_lib_gateway_patch_https \
"${TLS_HOOK_GATEWAY_NAME:-libre-wuji}" \
"${TLS_HOOK_GATEWAY_NS:-kube-system}" \
"${TLS_HOOK_LISTENER_NAME}" \
"${TLS_HOOK_DOMAIN}" \
"${TLS_HOOK_TLS_SECRET}" \
"${TLS_HOOK_NAMESPACE}"
}
_method_remove-gateway-https() {
_lib_gateway_remove_https \
"${TLS_HOOK_GATEWAY_NAME:-libre-wuji}" \
"${TLS_HOOK_GATEWAY_NS:-kube-system}" \
"${TLS_HOOK_LISTENER_NAME}"
}
# ── Component methods ─────────────────────────────────────────────────────────
_method_create-credentials() {
[ -f "${SCRIPT_DIR}/_credentials.env" ] && set -a && source "${SCRIPT_DIR}/_credentials.env" && set +a
_require_env ADMIN_KEY
_kubectl create secret generic "${CAP_NAME}-credentials" \
--namespace "$CAP_NAMESPACE" \
--from-literal=ADMIN_KEY="$ADMIN_KEY" \
--dry-run=client -o yaml | _kubectl apply -f -
echo " [ok] credentials secret '${CAP_NAME}-credentials' created in ${CAP_NAMESPACE}"
}
_method_wait-valkey() {
local valkey_name="${CAP_NAME}-valkey"
echo " waiting for valkey pod ${valkey_name} to be ready..."
_kubectl wait pod \
--namespace "$CAP_NAMESPACE" \
--selector "app.kubernetes.io/name=${valkey_name}" \
--for=condition=Ready \
--timeout=120s
echo " [ok] valkey ready"
}
_method_wait-ready() {
_wait_for_pod 300
}
_method_protect-volume() {
local pvc="${PLAN_PARAM_PVC:-${CAP_NAME}-valkey-data}"
echo " waiting for PVC '${pvc}' to bind..."
_kubectl wait pvc "$pvc" \
--namespace "$CAP_NAMESPACE" \
--for=jsonpath='{.status.phase}'=Bound \
--timeout=120s
local pv_name
pv_name=$(_kubectl get pvc "$pvc" \
--namespace "$CAP_NAMESPACE" \
-o jsonpath='{.spec.volumeName}')
if [ -z "$pv_name" ]; then
echo " [warn] could not resolve PV name for PVC '${pvc}' — skipping volume protection"
return 0
fi
if command -v hcloud >/dev/null 2>&1; then
hcloud volume enable-protection "$pv_name" delete 2>/dev/null \
&& echo " [ok] volume '${pv_name}' protected" \
|| echo " [warn] hcloud protect failed — run manually: hcloud volume enable-protection ${pv_name} delete"
else
echo " [warn] hcloud CLI not found — skip volume protection for '${pv_name}'"
fi
}