nfs-provisioner WIP

bin/update.sh

@@ -45,6 +45,27 @@ done
 rm -fr files/digitalocean.old
 
 
+# https://github.com/kubernetes-incubator/external-storage/tree/master/nfs
+mv files/nfs{,.old}
+mkdir files/nfs
+for FICHIER in psp.yaml rbac.yaml deployment.yaml class.yaml; do
+    wget https://github.com/kubernetes-incubator/external-storage/raw/master/nfs/deploy/kubernetes/$FICHIER
+    kubernetes-split-yaml $FICHIER >> generated.log
+    mv generated/* files/nfs/
+    cat generated.log | while read LIGNE; do if [ $(echo "${LIGNE}" | grep -c ^File) -eq 1 ]; then echo -n "${LIGNE} "; else echo "${LIGNE}"; fi; done | grep ^File | sort -V | sed 's|.*\(generated/\)\(.*\.yaml\)|      - "nfs/\2"|'
+    rm -f $FICHIER generated.log
+done
+for i in nfs-provisioner-runner-ClusterRole.yaml run-nfs-provisioner-ClusterRoleBinding.yaml leader-locking-nfs-provisioner-Role.yaml leader-locking-nfs-provisioner-RoleBinding.yaml; do
+    sed "s/namespace:.*/namespace: nfs-provisioner/g" -i files/nfs/$i
+done
+sed 's|\(.*-provisioner=\).*"|\1reslinger.net/nfs"|' -i files/nfs/nfs-provisioner-Deployment.yaml
+mv files/nfs/example-nfs-StorageClass.yaml files/nfs/StorageClass.yaml
+sed 's|example-nfs|nfs|' -i files/nfs/StorageClass.yaml
+sed 's|example.com/nfs|reslinger.net/nfs|' -i files/nfs/StorageClass.yaml
+rm -fr files/nfs.old
+
+
+
 #https://github.com/scaleway/scaleway-csi
 #https://github.com/kubernetes-sigs/alibaba-cloud-csi-driver
 #https://github.com/hetznercloud/csi-driver

defaults/main.yml

@@ -1,5 +1,6 @@
 my_context: minikube
 storage_localpath: true
+storage_nfs: false
 storage_linode: false
 storage_digitalocean: false
 storage_secrets_store: false

files/nfs/StorageClass.yaml

@@ -0,0 +1,7 @@
+kind: StorageClass
+apiVersion: storage.k8s.io/v1
+metadata:
+  name: nfs
+provisioner: reslinger.net/nfs
+mountOptions:
+  - vers=4.1

files/nfs/leader-locking-nfs-provisioner-Role.yaml

@@ -0,0 +1,8 @@
+kind: Role
+apiVersion: rbac.authorization.k8s.io/v1
+metadata:
+  name: leader-locking-nfs-provisioner
+rules:
+  - apiGroups: [""]
+    resources: ["endpoints"]
+    verbs: ["get", "list", "watch", "create", "update", "patch"]

files/nfs/leader-locking-nfs-provisioner-RoleBinding.yaml

@@ -0,0 +1,13 @@
+kind: RoleBinding
+apiVersion: rbac.authorization.k8s.io/v1
+metadata:
+  name: leader-locking-nfs-provisioner
+subjects:
+  - kind: ServiceAccount
+    name: nfs-provisioner
+    # replace with namespace where provisioner is deployed
+    namespace: default
+roleRef:
+  kind: Role
+  name: leader-locking-nfs-provisioner
+  apiGroup: rbac.authorization.k8s.io

files/nfs/nfs-provisioner-Deployment.yaml

@@ -0,0 +1,77 @@
+kind: Deployment
+apiVersion: apps/v1
+metadata:
+  name: nfs-provisioner
+spec:
+  selector:
+    matchLabels:
+      app: nfs-provisioner
+  replicas: 1
+  strategy:
+    type: Recreate 
+  template:
+    metadata:
+      labels:
+        app: nfs-provisioner
+    spec:
+      serviceAccount: nfs-provisioner
+      containers:
+        - name: nfs-provisioner
+          image: quay.io/kubernetes_incubator/nfs-provisioner:latest
+          ports:
+            - name: nfs
+              containerPort: 2049
+            - name: nfs-udp
+              containerPort: 2049
+              protocol: UDP
+            - name: nlockmgr
+              containerPort: 32803
+            - name: nlockmgr-udp
+              containerPort: 32803
+              protocol: UDP
+            - name: mountd
+              containerPort: 20048
+            - name: mountd-udp
+              containerPort: 20048
+              protocol: UDP
+            - name: rquotad
+              containerPort: 875
+            - name: rquotad-udp
+              containerPort: 875
+              protocol: UDP
+            - name: rpcbind
+              containerPort: 111
+            - name: rpcbind-udp
+              containerPort: 111
+              protocol: UDP
+            - name: statd
+              containerPort: 662
+            - name: statd-udp
+              containerPort: 662
+              protocol: UDP
+          securityContext:
+            capabilities:
+              add:
+                - DAC_READ_SEARCH
+                - SYS_RESOURCE
+          args:
+            - "-provisioner=reslinger.net/nfs"
+          env:
+            - name: POD_IP
+              valueFrom:
+                fieldRef:
+                  fieldPath: status.podIP
+            - name: SERVICE_NAME
+              value: nfs-provisioner
+            - name: POD_NAMESPACE
+              valueFrom:
+                fieldRef:
+                  fieldPath: metadata.namespace
+          imagePullPolicy: "IfNotPresent"
+          volumeMounts:
+            - name: export-volume
+              mountPath: /export
+      volumes:
+        - name: export-volume
+          hostPath:
+            path: /srv

files/nfs/nfs-provisioner-PodSecurityPolicy.yaml

@@ -0,0 +1,23 @@
+apiVersion: extensions/v1beta1
+kind: PodSecurityPolicy
+metadata:
+  name: nfs-provisioner
+spec:
+  fsGroup:
+    rule: RunAsAny
+  allowedCapabilities:
+  - DAC_READ_SEARCH
+  - SYS_RESOURCE
+  runAsUser:
+    rule: RunAsAny
+  seLinux:
+    rule: RunAsAny
+  supplementalGroups:
+    rule: RunAsAny
+  volumes:
+  - configMap
+  - downwardAPI
+  - emptyDir
+  - persistentVolumeClaim
+  - secret
+  - hostPath

files/nfs/nfs-provisioner-Service.yaml

@@ -0,0 +1,40 @@
+kind: Service
+apiVersion: v1
+metadata:
+  name: nfs-provisioner
+  labels:
+    app: nfs-provisioner
+spec:
+  ports:
+    - name: nfs
+      port: 2049
+    - name: nfs-udp
+      port: 2049
+      protocol: UDP
+    - name: nlockmgr
+      port: 32803
+    - name: nlockmgr-udp
+      port: 32803
+      protocol: UDP
+    - name: mountd
+      port: 20048
+    - name: mountd-udp
+      port: 20048
+      protocol: UDP
+    - name: rquotad
+      port: 875
+    - name: rquotad-udp
+      port: 875
+      protocol: UDP
+    - name: rpcbind
+      port: 111
+    - name: rpcbind-udp
+      port: 111
+      protocol: UDP
+    - name: statd
+      port: 662
+    - name: statd-udp
+      port: 662
+      protocol: UDP
+  selector:
+    app: nfs-provisioner

files/nfs/nfs-provisioner-ServiceAccount.yaml

@@ -0,0 +1,4 @@
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: nfs-provisioner

files/nfs/nfs-provisioner-runner-ClusterRole.yaml

@@ -0,0 +1,24 @@
+kind: ClusterRole
+apiVersion: rbac.authorization.k8s.io/v1
+metadata:
+  name: nfs-provisioner-runner
+rules:
+  - apiGroups: [""]
+    resources: ["persistentvolumes"]
+    verbs: ["get", "list", "watch", "create", "delete"]
+  - apiGroups: [""]
+    resources: ["persistentvolumeclaims"]
+    verbs: ["get", "list", "watch", "update"]
+  - apiGroups: ["storage.k8s.io"]
+    resources: ["storageclasses"]
+    verbs: ["get", "list", "watch"]
+  - apiGroups: [""]
+    resources: ["events"]
+    verbs: ["create", "update", "patch"]
+  - apiGroups: [""]
+    resources: ["services", "endpoints"]
+    verbs: ["get"]
+  - apiGroups: ["extensions"]
+    resources: ["podsecuritypolicies"]
+    resourceNames: ["nfs-provisioner"]
+    verbs: ["use"]

files/nfs/run-nfs-provisioner-ClusterRoleBinding.yaml

@@ -0,0 +1,13 @@
+kind: ClusterRoleBinding
+apiVersion: rbac.authorization.k8s.io/v1
+metadata:
+  name: run-nfs-provisioner
+subjects:
+  - kind: ServiceAccount
+    name: nfs-provisioner
+     # replace with namespace where provisioner is deployed
+    namespace: default
+roleRef:
+  kind: ClusterRole
+  name: nfs-provisioner-runner
+  apiGroup: rbac.authorization.k8s.io

tasks/main.yml

@@ -1,6 +1,8 @@
 - name: Local Path setup
   block:
+#  - include_tasks: "manual.yml"
   - include_tasks: "local.yml"
+  - include_tasks: "nfs.yml"
   - include_tasks: "digital_ocean.yml"
   - include_tasks: "linode.yml"
   - include_tasks: "secrets-store.yml"

tasks/nfs.yml

@@ -0,0 +1,32 @@
+---
+# https://github.com/kubernetes-incubator/external-storage/blob/master/nfs/docs/deployment.md
+# Ne pas oublier de "sudo chcon -Rt svirt_sandbox_file_t /srv" pour le stockage
+# ou alors tourner le container en privileged
+  - name: Defined nfs-provisioner state to present
+    set_fact:
+      storage_nfs_state: present
+    when:
+      - storage_nfs|bool
+
+  - name: find state of nfs-provisioner
+    set_fact:
+      storage_nfs_state: absent
+    when:
+      - not storage_nfs|bool
+
+  - name: nfs-provisioner need to be {{ storage_nfs_state }}
+    k8s:
+      state: "{{ storage_nfs_state }}"
+      context: "{{ my_context }}"
+      merge_type: merge
+      resource_definition: "{{ lookup('file', item) | from_yaml }}"
+    with_items:
+      - "nfs/nfs-provisioner-PodSecurityPolicy.yaml"
+      - "nfs/nfs-provisioner-runner-ClusterRole.yaml"
+      - "nfs/run-nfs-provisioner-ClusterRoleBinding.yaml"
+      - "nfs/leader-locking-nfs-provisioner-Role.yaml"
+      - "nfs/leader-locking-nfs-provisioner-RoleBinding.yaml"
+      - "nfs/nfs-provisioner-ServiceAccount.yaml"
+      - "nfs/nfs-provisioner-Service.yaml"
+      - "nfs/nfs-provisioner-Deployment.yaml"
+      - "nfs/example-nfs-StorageClass.yaml"