local-path-storage creado

Makefile

@@ -13,9 +13,9 @@ install:
 	-kubectl create -f reg-secret.yaml
 	-kubectl create -f jenkins-10-serviceAccount.yaml
 
-	-kubectl create -f jenkins-20-storage-class.yaml
+#	-kubectl create -f jenkins-20-storage-class.yaml
 	-kubectl create -f jenkins-21-pvc.yaml
-	-kubectl create -f jenkins-25-volume.yaml
+#	-kubectl create -f jenkins-25-volume.yaml
 	-envsubst < jenkins-30-deployment.yaml |kubectl create -f -
 	-kubectl create -f jenkins-40-service.yaml
 	-kubectl create -f jenkins-50-ingress.yaml
@@ -24,9 +24,9 @@ clean:
 	-kubectl delete -f jenkins-50-ingress.yaml
 	-kubectl delete -f jenkins-40-service.yaml
 	-envsubst < jenkins-30-deployment.yaml |kubectl delete -f -
-	-kubectl delete -f jenkins-25-volume.yaml
+#	-kubectl delete -f jenkins-25-volume.yaml
 	-kubectl delete -f jenkins-21-pvc.yaml
-	-kubectl delete -f jenkins-20-storage-class.yaml
+#	-kubectl delete -f jenkins-20-storage-class.yaml
 	-kubectl delete -f jenkins-10-serviceAccount.yaml
 	-kubectl delete -f reg-secret.yaml
 	-kubectl delete -f jenkins-05-namespace.yaml

README.md

@@ -2,27 +2,12 @@
 
 Refer https://devopscube.com/setup-jenkins-on-kubernetes-cluster/ for step by step process to use these manifests.
 
-## Node Afinity
+## local-path
 
-En el fichero
+https://weng-albert.medium.com/storageclass-local-path-provider-en-961eca8699d4
 
-    jenkins-02-volume.yaml
+el local-path-storage se ha de crear después de instalar el cluster. Crea la storageclass también.
 
-hay que ajustar el nombre del nodo
-
-  nodeAffinity:
-    required:
-      nodeSelectorTerms:
-      - matchExpressions:
-        - key: kubernetes.io/hostname
-          operator: In
-          values:
-          - imac
-
-El nombre del nodo se obtiene con
-
-    kubectl get nodes
-    
 ## Rancher Desktop
 
 para que Ingress funcione en Rancher Desktop, hay que quitar Traefik e instalar Nginx.

jenkins-20-storage-class.yaml

@@ -2,5 +2,5 @@ kind: StorageClass
 apiVersion: storage.k8s.io/v1
 metadata:
   name: local-path
-provisioner: kubernetes.io/no-provisioner
+provisioner: kubernetes.io/storage-provisioner
 volumeBindingMode: WaitForFirstConsumer

jenkins-30-deployment.yaml

@@ -19,8 +19,8 @@ spec:
       serviceAccountName: jenkins-admin
       containers:
         - name: jenkins
-          # image: jenkins/jenkins:lts
-          image: $REGISTRY/jenkins-docker:$IMG_VERSION
+          image: jenkins/jenkins:lts
+          # image: $REGISTRY/jenkins-docker:$IMG_VERSION
           # OPTIONAL: check for new floating-tag LTS releases whenever the pod is restarted:
           imagePullPolicy: Always
           resources:

lpp/local-path-storage.yaml

@@ -0,0 +1,130 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: local-path-storage
+
+---
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: local-path-provisioner-service-account
+  namespace: local-path-storage
+
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  name: local-path-provisioner-role
+rules:
+  - apiGroups: [ "" ]
+    resources: [ "nodes", "persistentvolumeclaims", "configmaps" ]
+    verbs: [ "get", "list", "watch" ]
+  - apiGroups: [ "" ]
+    resources: [ "endpoints", "persistentvolumes", "pods" ]
+    verbs: [ "*" ]
+  - apiGroups: [ "" ]
+    resources: [ "events" ]
+    verbs: [ "create", "patch" ]
+  - apiGroups: [ "storage.k8s.io" ]
+    resources: [ "storageclasses" ]
+    verbs: [ "get", "list", "watch" ]
+
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+  name: local-path-provisioner-bind
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: local-path-provisioner-role
+subjects:
+  - kind: ServiceAccount
+    name: local-path-provisioner-service-account
+    namespace: local-path-storage
+
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: local-path-provisioner
+  namespace: local-path-storage
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: local-path-provisioner
+  template:
+    metadata:
+      labels:
+        app: local-path-provisioner
+    spec:
+      serviceAccountName: local-path-provisioner-service-account
+      containers:
+        - name: local-path-provisioner
+          image: rancher/local-path-provisioner:v0.0.24
+          imagePullPolicy: IfNotPresent
+          command:
+            - local-path-provisioner
+            - --debug
+            - start
+            - --config
+            - /etc/config/config.json
+          volumeMounts:
+            - name: config-volume
+              mountPath: /etc/config/
+          env:
+            - name: POD_NAMESPACE
+              valueFrom:
+                fieldRef:
+                  fieldPath: metadata.namespace
+      volumes:
+        - name: config-volume
+          configMap:
+            name: local-path-config
+
+---
+apiVersion: storage.k8s.io/v1
+kind: StorageClass
+metadata:
+  name: local-path
+provisioner: rancher.io/local-path
+volumeBindingMode: WaitForFirstConsumer
+reclaimPolicy: Delete
+
+---
+kind: ConfigMap
+apiVersion: v1
+metadata:
+  name: local-path-config
+  namespace: local-path-storage
+data:
+  config.json: |-
+    {
+            "nodePathMap":[
+            {
+                    "node":"DEFAULT_PATH_FOR_NON_LISTED_NODES",
+                    "paths":["/opt/local-path-provisioner"]
+            }
+            ]
+    }
+  setup: |-
+    #!/bin/sh
+    set -eu
+    mkdir -m 0777 -p "$VOL_DIR"
+  teardown: |-
+    #!/bin/sh
+    set -eu
+    rm -rf "$VOL_DIR"
+  helperPod.yaml: |-
+    apiVersion: v1
+    kind: Pod
+    metadata:
+      name: helper-pod
+    spec:
+      containers:
+      - name: helper-pod
+        image: busybox
+        imagePullPolicy: IfNotPresent
+
+

lpp/pod.yaml

@@ -0,0 +1,18 @@
+apiVersion: v1
+kind: Pod
+metadata:
+  name: volume-test
+spec:
+  containers:
+  - name: volume-test
+    image: nginx:stable-alpine
+    imagePullPolicy: IfNotPresent
+    volumeMounts:
+    - name: volv
+      mountPath: /data
+    ports:
+    - containerPort: 80
+  volumes:
+  - name: volv
+    persistentVolumeClaim:
+      claimName: local-path-pvc

lpp/pvc.yaml

@@ -0,0 +1,11 @@
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: local-path-pvc
+spec:
+  accessModes:
+    - ReadWriteOnce
+  storageClassName: local-path
+  resources:
+    requests:
+      storage: 128Mi