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

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#!/bin/bash
# Tier-1 dispatch for lemmy 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 "${SCRIPT_DIR}/env-lemmy" ] && source "${SCRIPT_DIR}/env-lemmy"
LEMMY_NAME="${LEMMY_NAME:-lemmy}"
LEMMY_NAMESPACE="${LEMMY_NAMESPACE:-lemmy}"
CMD_TSK="${CMD_TSK:-${1:-install}}"
source "${SCRIPT_DIR}/lemmy-lib.sh"
_resolve_kubeconfig() {
if [ -n "${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="$candidate"
return
fi
done
echo "ERROR: kubeconfig not found — set KUBECONFIG explicitly" >&2; exit 1
}
_do_install() {
for manifest in namespace.yaml certificate.yaml referencegrant.yaml \
pictrs-pvc.yaml nginx-configmap.yaml lemmy-configmap.yaml \
pictrs-deployment.yaml pictrs-service.yaml \
lemmy-deployment.yaml lemmy-service.yaml \
lemmy-ui-deployment.yaml lemmy-ui-service.yaml \
proxy-deployment.yaml proxy-service.yaml \
httproute.yaml; do
local path="$SCRIPT_DIR/manifests/${manifest}"
[ -f "$path" ] && _kubectl apply -f "$path"
done
echo "Waiting for lemmy-proxy pod to be ready..."
_wait_for_pod 300
echo "${LEMMY_NAME} installed in namespace ${LEMMY_NAMESPACE}"
}
_do_update() {
for manifest in certificate.yaml referencegrant.yaml nginx-configmap.yaml \
httproute.yaml pictrs-deployment.yaml \
lemmy-ui-deployment.yaml proxy-deployment.yaml \
lemmy-deployment.yaml; do
local path="$SCRIPT_DIR/manifests/${manifest}"
[ -f "$path" ] && _kubectl apply -f "$path"
done
_kubectl rollout restart "deployment/lemmy-backend" --namespace "$LEMMY_NAMESPACE"
echo "Waiting for lemmy-proxy to be ready..."
_wait_for_pod 180
echo "${LEMMY_NAME} updated in namespace ${LEMMY_NAMESPACE}"
}
_do_delete() {
for manifest in httproute.yaml proxy-deployment.yaml proxy-service.yaml \
lemmy-ui-deployment.yaml lemmy-ui-service.yaml \
lemmy-deployment.yaml lemmy-service.yaml \
pictrs-deployment.yaml pictrs-service.yaml; do
local path="$SCRIPT_DIR/manifests/${manifest}"
[ -f "$path" ] && _kubectl delete -f "$path" --ignore-not-found
done
echo "${LEMMY_NAME} deleted from namespace ${LEMMY_NAMESPACE}"
}
_do_restart() {
_kubectl rollout restart "deployment/lemmy-backend" --namespace "$LEMMY_NAMESPACE"
_kubectl rollout restart "deployment/lemmy-ui" --namespace "$LEMMY_NAMESPACE"
_kubectl rollout restart "deployment/lemmy-proxy" --namespace "$LEMMY_NAMESPACE"
_wait_for_pod 180
echo "${LEMMY_NAME} restarted"
}
_do_health() {
local pod
pod=$(_kubectl get pod \
--namespace "$LEMMY_NAMESPACE" \
--selector "app.kubernetes.io/name=lemmy-proxy" \
-o jsonpath='{.items[0].metadata.name}' 2>/dev/null)
if [ -z "$pod" ]; then
echo "UNHEALTHY: no lemmy-proxy pod found in ${LEMMY_NAMESPACE}" >&2; exit 1
fi
if _kubectl exec --namespace "$LEMMY_NAMESPACE" "$pod" -- \
wget -qO- "http://localhost:80/" >/dev/null 2>&1; then
echo "HEALTHY: ${LEMMY_NAME} responding"
else
echo "UNHEALTHY: ${LEMMY_NAME} did not respond" >&2; exit 1
fi
}
_resolve_kubeconfig
case "$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