90 lines
3.7 KiB
Bash
90 lines
3.7 KiB
Bash
#!/usr/bin/env bash
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set -euo pipefail
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readonly expected_context="kubernetes-admin@kubernetes"
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readonly node="arschrock"
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readonly media_path="/komposthaufen/multimedia"
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readonly dynmap_tiles_path="/home/feedc0de/mcserver/plugins/dynmap/web/tiles"
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readonly dynmap_ready_label="minecraft.brunner.ninja/dynmap-ready"
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readonly library_services=(lidarr.service readarr.service radarr.service sonarr.service bazarr.service)
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readonly whisparr_service="whisparr.service"
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readonly whisparr_library_path="/mnt/msdownld.tmp/_hardware/whisparr"
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current_context="$(kubectl config current-context)"
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if [[ "${current_context}" != "${expected_context}" ]]; then
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echo "Refusing to modify ${node}: context is ${current_context}, expected ${expected_context}." >&2
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exit 1
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fi
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if ! mountpoint -q /komposthaufen; then
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echo "/komposthaufen is not a mountpoint; storage remains offline." >&2
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exit 1
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fi
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if [[ "$(findmnt -T "${media_path}" -n -o FSTYPE)" != bcachefs ]]; then
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echo "${media_path} is not backed by bcachefs; storage remains offline." >&2
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exit 1
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fi
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if [[ ! -d "${media_path}/Videos" ]]; then
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echo "Required directory ${media_path}/Videos is missing; storage remains offline." >&2
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exit 1
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fi
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if ! mountpoint -q "${dynmap_tiles_path}" || [[ "$(findmnt -T "${dynmap_tiles_path}" -n -o FSTYPE)" != bcachefs ]]; then
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echo "${dynmap_tiles_path} is not mounted from bcachefs; Paper remains stopped." >&2
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exit 1
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fi
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for attempt in $(seq 1 60); do
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if kubectl get node "${node}" >/dev/null 2>&1; then
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# Stale readiness after a reboot may have mounted the empty system-disk
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# directory. Drop both gates and recreate every hostPath consumer first.
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kubectl label node "${node}" media.brunner.ninja/multimedia-ready- 2>/dev/null || true
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if ! kubectl label node "${node}" "${dynmap_ready_label}-" 2>/dev/null; then
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labels="$(kubectl get node "${node}" --output=jsonpath='{.metadata.labels}')"
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if [[ "${labels}" == *"${dynmap_ready_label}"* ]]; then
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echo "Could not clear the stale Dynmap-ready label on ${node}." >&2
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exit 1
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fi
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fi
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for namespace in plex jellyfin copyparty; do
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mapfile -t pods < <(
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kubectl --namespace "${namespace}" get pods \
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--selector="app.kubernetes.io/component=server" \
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--output=name 2>/dev/null || true
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)
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if ((${#pods[@]})); then
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kubectl --namespace "${namespace}" delete "${pods[@]}" --wait=false
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for pod in "${pods[@]}"; do
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kubectl --namespace "${namespace}" wait --for=delete "${pod}" --timeout=5m
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done
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fi
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done
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mapfile -t paper_pods < <(
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kubectl --namespace mcserver get pods \
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--selector="app.kubernetes.io/name=minecraft-paper,app.kubernetes.io/instance=paper" \
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--output=name 2>/dev/null || true
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)
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if ((${#paper_pods[@]})); then
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kubectl --namespace mcserver delete "${paper_pods[@]}" --wait=false
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for pod in "${paper_pods[@]}"; do
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kubectl --namespace mcserver wait --for=delete "${pod}" --timeout=15m
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done
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fi
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kubectl label node "${node}" media.brunner.ninja/multimedia-ready=true --overwrite
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kubectl label node "${node}" "${dynmap_ready_label}=true" --overwrite
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sudo -n systemctl start "${library_services[@]}"
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if mountpoint -q /mnt \
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&& [[ "$(findmnt -T /mnt -n -o FSTYPE)" == bcachefs ]] \
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&& [[ -d "${whisparr_library_path}" ]]; then
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sudo -n systemctl start "${whisparr_service}"
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else
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echo "Whisparr remains stopped; its /mnt Bcachefs library is not ready."
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fi
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echo "${node} is media-ready; Plex, Jellyfin, Copyparty and Paper may now be scheduled."
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exit 0
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fi
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sleep 2
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done
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echo "Kubernetes API did not become available; ${node} remains media-offline." >&2
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exit 1
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