mirror of
https://github.com/morten-olsen/homelab-apps.git
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104 lines
3.2 KiB
YAML
104 lines
3.2 KiB
YAML
apiVersion: storage.k8s.io/v1
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kind: StorageClass
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metadata:
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name: local-path
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annotations:
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storageclass.kubernetes.io/is-default-class: "true"
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provisioner: rancher.io/local-path
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volumeBindingMode: WaitForFirstConsumer
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reclaimPolicy: Delete
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---
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apiVersion: v1
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kind: ConfigMap
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metadata:
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name: local-path-config
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namespace: kube-system
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data:
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config.json: |-
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{
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"nodePathMap":[
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{
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"node":"DEFAULT_PATH_FOR_NON_LISTED_NODES",
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"paths":["/var/lib/rancher/k3s/storage"]
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}
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]
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}
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# The Setup script runs when a PVC is created
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setup: |-
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#!/bin/sh
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set -e
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# Variables provided by the provisioner:
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# $VOL_DIR = The volume path (e.g., .../pvc-1234-abcd_namespace_pvc-name)
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# $PV_NAME = The PersistentVolume name (e.g., pvc-1234-abcd)
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# Extract PVC namespace and name from VOL_DIR path
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# The local-path-provisioner includes namespace and name in the path format:
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# /path/to/storage/pvc-UUID_namespace_pvc-name
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# Example: pvc-6f2333de-0b45-41d3-b78f-5d62e737d8bc_nats_nats-js-nats-0
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if [ -z "${PVC_NAMESPACE:-}" ] || [ -z "${PVC_NAME:-}" ]; then
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if [ -n "${VOL_DIR:-}" ]; then
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# Extract the basename (e.g., pvc-6f2333de-0b45-41d3-b78f-5d62e737d8bc_nats_nats-js-nats-0)
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VOL_BASENAME=$(basename "$VOL_DIR")
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# Split by underscore: format is pvc-UUID_namespace_pvc-name
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# Count underscores to find where namespace starts
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# The UUID part contains hyphens, so we split on underscore
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# Field 1: pvc-UUID (discard)
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# Field 2: namespace
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# Field 3+: PVC name (may contain underscores, so join them)
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NAMESPACE_PART=$(echo "$VOL_BASENAME" | cut -d'_' -f2)
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NAME_PART=$(echo "$VOL_BASENAME" | cut -d'_' -f3-)
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if [ -n "$NAMESPACE_PART" ] && [ -n "$NAME_PART" ]; then
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PVC_NAMESPACE="$NAMESPACE_PART"
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PVC_NAME="$NAME_PART"
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fi
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fi
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fi
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# Final validation
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if [ -z "${PVC_NAMESPACE:-}" ] || [ -z "${PVC_NAME:-}" ]; then
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echo "Error: Could not determine PVC_NAMESPACE or PVC_NAME"
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echo "VOL_DIR: ${VOL_DIR:-not set}"
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echo "VOL_BASENAME: ${VOL_BASENAME:-not set}"
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echo "Available environment variables:"
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env | grep -E "(PVC_|PV_|VOL_)" || echo " (none found)"
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exit 1
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fi
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# 1. Define your pretty path in /data/pvc for easier management
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PRETTY_PATH="/var/lib/rancher/k3s/storage/pvc/${PVC_NAMESPACE}/${PVC_NAME}"
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# 2. Create the pretty folder
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mkdir -p "$PRETTY_PATH"
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chmod 777 "$PRETTY_PATH"
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# 3. Create a symlink: Ugly UUID -> Pretty Path
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# Kubernetes looks at the UUID path, but data is actually written to Pretty Path
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ln -s "$PRETTY_PATH" "$VOL_DIR"
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# The Teardown script runs when a PVC is deleted
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teardown: |-
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#!/bin/sh
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set -eu
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# Variables provided: $VOL_DIR (The UUID path)
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# 1. Resolve where the symlink points to (The pretty path)
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if [ -L "$VOL_DIR" ]; then
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PRETTY_PATH=$(readlink "$VOL_DIR")
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# 2. Remove the Symlink (The UUID entry)
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rm "$VOL_DIR"
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fi
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helperPod.yaml: |-
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apiVersion: v1
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kind: Pod
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metadata:
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name: helper-pod
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spec:
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containers:
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- name: helper-pod
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image: busybox
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imagePullPolicy: IfNotPresent
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