Merge pull request #816 from galal-hussein/default_local_storage

Add default storage class

manifests/local-storage.yaml

@@ -0,0 +1,101 @@
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: local-path-provisioner-service-account
+  namespace: kube-system
+---
+apiVersion: rbac.authorization.k8s.io/v1beta1
+kind: ClusterRole
+metadata:
+  name: local-path-provisioner-role
+  namespace: kube-system
+rules:
+- apiGroups: [""]
+  resources: ["nodes", "persistentvolumeclaims"]
+  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/v1beta1
+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: kube-system
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: local-path-provisioner
+  namespace: kube-system
+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:v0.0.11
+        imagePullPolicy: IfNotPresent
+        command:
+        - local-path-provisioner
+        - 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
+  annotations:
+    storageclass.kubernetes.io/is-default-class: "true"
+provisioner: rancher.io/local-path
+volumeBindingMode: WaitForFirstConsumer
+reclaimPolicy: Delete
+---
+kind: ConfigMap
+apiVersion: v1
+metadata:
+  name: local-path-config
+  namespace: kube-system
+data:
+  config.json: |-
+        {
+                "nodePathMap":[
+                {
+                        "node":"DEFAULT_PATH_FOR_NON_LISTED_NODES",
+                        "paths":["%{DEFAULT_LOCAL_STORAGE_PATH}%"]
+                }
+                ]
+        }

pkg/cli/cmds/server.go

@@ -8,32 +8,33 @@ import (
 )
 
 type Server struct {
-	ClusterCIDR         string
-	ClusterSecret       string
-	ServiceCIDR         string
-	ClusterDNS          string
-	ClusterDomain       string
-	HTTPSPort           int
-	HTTPPort            int
-	DataDir             string
-	DisableAgent        bool
-	KubeConfigOutput    string
-	KubeConfigMode      string
-	TLSSan              cli.StringSlice
-	BindAddress         string
-	ExtraAPIArgs        cli.StringSlice
-	ExtraSchedulerArgs  cli.StringSlice
-	ExtraControllerArgs cli.StringSlice
-	Rootless            bool
-	StoreBootstrap      bool
-	StorageEndpoint     string
-	StorageCAFile       string
-	StorageCertFile     string
-	StorageKeyFile      string
-	AdvertiseIP         string
-	AdvertisePort       int
-	DisableScheduler    bool
-	FlannelBackend      string
+	ClusterCIDR             string
+	ClusterSecret           string
+	ServiceCIDR             string
+	ClusterDNS              string
+	ClusterDomain           string
+	HTTPSPort               int
+	HTTPPort                int
+	DataDir                 string
+	DisableAgent            bool
+	KubeConfigOutput        string
+	KubeConfigMode          string
+	TLSSan                  cli.StringSlice
+	BindAddress             string
+	ExtraAPIArgs            cli.StringSlice
+	ExtraSchedulerArgs      cli.StringSlice
+	ExtraControllerArgs     cli.StringSlice
+	Rootless                bool
+	StoreBootstrap          bool
+	StorageEndpoint         string
+	StorageCAFile           string
+	StorageCertFile         string
+	StorageKeyFile          string
+	AdvertiseIP             string
+	AdvertisePort           int
+	DisableScheduler        bool
+	FlannelBackend          string
+	DefaultLocalStoragePath string
 }
 
 var ServerConfig Server
@@ -199,6 +200,11 @@ func NewServerCommand(action func(*cli.Context) error) cli.Command {
 				Destination: &ServerConfig.FlannelBackend,
 				Value:       config.FlannelBackendVXLAN,
 			},
+			cli.StringFlag{
+				Name:        "default-local-storage-path",
+				Usage:       "Default local storage path for local provisioner storage class",
+				Destination: &ServerConfig.DefaultLocalStoragePath,
+			},
 			NodeIPFlag,
 			NodeNameFlag,
 			DockerFlag,

pkg/cli/server/server.go

@@ -122,6 +122,16 @@ func run(app *cli.Context, cfg *cmds.Server) error {
 		serverConfig.ControlConfig.ClusterDNS = net2.ParseIP(cfg.ClusterDNS)
 	}
 
+	if cfg.DefaultLocalStoragePath == "" {
+		dataDir, err := datadir.LocalHome(cfg.DataDir, false)
+		if err != nil {
+			return err
+		}
+		serverConfig.ControlConfig.DefaultLocalStoragePath = filepath.Join(dataDir, "/storage")
+	} else {
+		serverConfig.ControlConfig.DefaultLocalStoragePath = cfg.DefaultLocalStoragePath
+	}
+
 	for _, noDeploy := range app.StringSlice("no-deploy") {
 		if noDeploy == "servicelb" {
 			serverConfig.DisableServiceLB = true

pkg/daemons/config/types.go

@@ -79,29 +79,30 @@ type Agent struct {
 }
 
 type Control struct {
-	AdvertisePort         int
-	AdvertiseIP           string
-	ListenPort            int
-	HTTPSPort             int
-	ClusterSecret         string
-	ClusterIPRange        *net.IPNet
-	ServiceIPRange        *net.IPNet
-	ClusterDNS            net.IP
-	ClusterDomain         string
-	NoCoreDNS             bool
-	KubeConfigOutput      string
-	KubeConfigMode        string
-	DataDir               string
-	Skips                 []string
-	BootstrapReadOnly     bool
-	Storage               endpoint.Config
-	NoScheduler           bool
-	ExtraAPIArgs          []string
-	ExtraControllerArgs   []string
-	ExtraSchedulerAPIArgs []string
-	NoLeaderElect         bool
-	FlannelBackend        string
-	IPSECPSK              string
+	AdvertisePort           int
+	AdvertiseIP             string
+	ListenPort              int
+	HTTPSPort               int
+	ClusterSecret           string
+	ClusterIPRange          *net.IPNet
+	ServiceIPRange          *net.IPNet
+	ClusterDNS              net.IP
+	ClusterDomain           string
+	NoCoreDNS               bool
+	KubeConfigOutput        string
+	KubeConfigMode          string
+	DataDir                 string
+	Skips                   []string
+	BootstrapReadOnly       bool
+	Storage                 endpoint.Config
+	NoScheduler             bool
+	ExtraAPIArgs            []string
+	ExtraControllerArgs     []string
+	ExtraSchedulerAPIArgs   []string
+	NoLeaderElect           bool
+	FlannelBackend          string
+	IPSECPSK                string
+	DefaultLocalStoragePath string
 
 	Runtime *ControlRuntime `json:"-"`
 }

pkg/deploy/zz_generated_bindata.go

@@ -1,6 +1,7 @@
 // Code generated for package deploy by go-bindata DO NOT EDIT. (@generated)
 // sources:
 // manifests/coredns.yaml
+// manifests/local-storage.yaml
 // manifests/rolebindings.yaml
 // manifests/traefik.yaml
 package deploy
@@ -99,6 +100,26 @@ func corednsYaml() (*asset, error) {
 	return a, nil
 }
 
+var _localStorageYaml = []byte("\x1f\x8b\x08\x00\x00\x00\x00\x00\x00\xff\xb4\x56\x4b\x6f\xe3\x36\x10\xbe\xeb\x57\x10\x02\xf6\x52\x2c\xed\xf5\xad\xe0\xcd\xf5\x63\xbb\x80\x5f\x88\xd3\xf6\x10\x2c\x8c\x31\x35\xb6\xb9\xa1\x48\x81\x1c\xa9\x48\xd3\xfc\xf7\x82\x7a\x45\x8a\x93\xd8\x41\xb1\xbc\x28\x19\xce\xcc\xf7\x71\xf8\xcd\xd0\x90\xa9\x3f\xd1\x79\x65\x8d\x60\xc5\x28\xba\x57\x26\x11\x6c\x8b\xae\x50\x12\xc7\x52\xda\xdc\x50\x94\x22\x41\x02\x04\x22\x62\xcc\x40\x8a\x82\x69\x2b\x41\xf3\x0c\xe8\xc4\x33\x67\x0b\x15\xe2\xd1\x71\x5f\xc5\x71\xa8\x03\x2b\x77\x9f\x81\x44\xc1\xee\xf3\x3d\x72\xff\xe0\x09\xd3\x88\x73\x1e\x75\x91\xdd\x1e\xe4\x00\x72\x3a\x59\xa7\xfe\x01\x52\xd6\x0c\xee\x7f\xf5\x03\x65\x87\xc5\x68\x8f\x04\x0d\xb1\x89\xce\x3d\xa1\xbb\xb1\x1a\xaf\x67\xe5\x82\xf7\x9b\x54\x5c\xae\xd1\x8b\x88\x33\xc8\xd4\x57\x67\xf3\xcc\x0b\x76\x17\xc7\xdf\x23\xc6\x1c\x7a\x9b\x3b\x89\xa5\xc5\xd8\x04\x7d\xfc\x99\xc5\x59\x20\xed\x09\x0d\x15\x56\xe7\x29\x4a\x0d\x2a\xf5\x65\x40\x81\x6e\x5f\x3a\x1f\x91\x82\xab\x56\xbe\xfc\xfe\x0d\x24\x4f\xf1\xf7\xcb\x20\x68\x92\xcc\x2a\x43\xaf\x02\x55\x46\x9b\xbc\xc0\xfa\xe5\xaa\xc4\x05\x86\xac\xbd\x40\xe9\x10\x08\xcb\xa4\xaf\xf3\xf3\x64\x1d\x1c\xb1\xbe\x8a\xf3\xa4\xf5\xbe\xd4\xe0\x3d\x5e\x59\x81\xff\x7f\xf1\xbf\x29\x93\x28\x73\xbc\xfe\xfe\xf7\xca\x24\x51\x10\xc1\x0d\x1e\x82\x73\x73\xc6\x77\xd0\x23\xc6\xce\x05\x77\x8d\xcc\x7c\xbe\xff\x81\x92\x4a\x41\xbd\xda\x4b\x3f\xab\x83\x20\xcb\xfc\xb0\x6d\xe0\x29\x66\xda\x3e\xa4\xf8\x81\xe6\x7d\x1b\xca\x67\x28\x45\x79\xf7\x99\x56\x12\xbc\x60\xa3\x88\x31\x8f\x1a\x25\x59\x17\x76\x18\x4b\xc3\xfd\x2e\x60\x8f\xda\x57\x86\x50\xe6\xec\x1d\x2c\xc2\x34\xd3\x40\x58\x87\x77\x48\x86\xa5\x7b\x99\x2e\xe5\x62\xac\xa1\x58\xfe\xdd\x2b\xf8\xea\x63\xd5\x0e\x4b\x5a\x43\xa0\x0c\xba\x96\x00\xbf\x54\xb9\x6a\xa9\x14\x8e\x28\x98\x03\x23\x4f\xe8\x86\xaf\x7b\x8b\xe2\xcb\xe0\xcb\x60\x34\xea\x47\x6d\x72\xad\x37\x56\x2b\xf9\x20\xd8\xb7\xc3\xca\xd2\xc6\xa1\xc7\x96\x52\x20\x95\xa6\x60\x92\xe7\x92\xf0\x4b\x6c\x38\xf3\x04\x8e\x3a\xff\x73\x2e\xad\x39\xa8\x63\xc7\x34\x44\x92\xc3\xca\x5a\x7f\x06\x3f\xbc\x35\xad\x47\x35\x79\x96\xa1\x3a\xbe\x8b\x5d\xd5\xa3\x8a\xe0\x95\x53\xbb\xcb\x58\x1a\xfc\x37\x40\x27\xd1\x03\x68\x3d\xd0\x14\xe7\xc9\x36\xeb\xe9\x6e\x35\x5e\xce\xb6\x9b\xf1\x64\xd6\x49\x56\x80\xce\x71\xee\x6c\x2a\x3a\x46\xc6\x0e\x0a\x75\x52\x77\xf4\x99\xbd\xc2\x6e\x54\x35\x68\x85\x1d\x75\x4f\xf5\x81\x03\x55\xf6\x25\x64\x7d\xb4\x33\x55\xd4\xf5\x7d\xd9\x9c\xfd\x41\xfa\xdc\xa6\xdb\xca\x3e\x09\x03\xf4\xdd\x46\x0d\x53\xcb\x18\x4b\xe5\x8c\xaa\x79\x77\xa7\xef\x20\xf4\xab\x33\x48\x58\x02\x28\xcf\x13\x3c\x40\xae\x89\x97\xdb\x82\xc5\xe4\x72\x8c\xa3\xae\x0e\x1b\x9d\x86\x80\x0e\x52\x75\xf6\x7a\xc8\x2e\x6d\x82\x82\xfd\x05\x8a\xe6\xd6\xcd\x95\xf3\x34\xb1\xc6\xe7\x29\xba\xc8\x55\x0f\x5f\x23\xda\x29\x6a\x24\x2c\x4f\x5e\x4f\xce\xa6\x64\xd1\x8b\x9f\x18\xef\x0e\xa4\x56\xa0\x6f\xcc\xa2\x26\xb0\xa3\x55\xc1\xfe\xe5\xed\xad\x3c\xbe\x50\x03\x63\xe5\xc3\x1d\xf4\xb0\x84\x2c\x16\x77\x67\xfb\xe7\x11\xbd\xc8\x58\xc4\xd3\xd9\x7c\xfc\xc7\xe2\x76\xb7\x19\xdf\xfe\xbe\x9b\xaf\x6f\x76\xab\xf5\x6a\xb7\xf8\xb6\xbd\x9d\x4d\x77\xab\xf5\x74\xb6\x8d\x3f\xbf\x9d\x23\x9c\xca\xc7\xe2\x2e\xfe\xf4\xd8\xe4\x59\xac\x27\xe3\xc5\x6e\x7b\xbb\xbe\x19\x7f\x9d\x95\x59\x9f\x3e\x95\x8f\x67\x7f\x3d\x9d\x59\x9e\x7d\x9e\xa2\xff\x02\x00\x00\xff\xff\x99\xfd\xbf\x2f\xb8\x09\x00\x00")
+
+func localStorageYamlBytes() ([]byte, error) {
+	return bindataRead(
+		_localStorageYaml,
+		"local-storage.yaml",
+	)
+}
+
+func localStorageYaml() (*asset, error) {
+	bytes, err := localStorageYamlBytes()
+	if err != nil {
+		return nil, err
+	}
+
+	info := bindataFileInfo{name: "local-storage.yaml", size: 0, mode: os.FileMode(0), modTime: time.Unix(0, 0)}
+	a := &asset{bytes: bytes, info: info}
+	return a, nil
+}
+
 var _rolebindingsYaml = []byte("\x1f\x8b\x08\x00\x00\x00\x00\x00\x00\xff\x94\xcf\xbd\x0a\xc2\x40\x10\x04\xe0\xfe\x9e\xe2\x5e\xe0\x22\x76\x72\xa5\x16\xf6\x01\xed\x37\xb9\x55\xd7\xdc\x1f\xbb\x7b\x01\x7d\x7a\x09\x48\x1a\x51\xb0\x1c\x18\xe6\x63\xa0\xd2\x19\x59\xa8\x64\x6f\x79\x80\xb1\x83\xa6\xb7\xc2\xf4\x04\xa5\x92\xbb\x69\x27\x1d\x95\xcd\xbc\x35\x13\xe5\xe0\xed\x21\x36\x51\xe4\xbe\x44\xdc\x53\x0e\x94\xaf\x26\xa1\x42\x00\x05\x6f\xac\xcd\x90\xd0\xdb\xa9\x0d\xe8\xa0\x92\x20\xcf\xc8\x6e\x89\x11\xd5\x41\x48\x94\x0d\x97\x88\x3d\x5e\x96\x36\x54\x3a\x72\x69\xf5\x87\x6c\xac\xfd\x80\x57\x47\x1e\xa2\x98\xfc\xba\x5f\xe9\x6d\x48\x1b\xee\x38\xaa\x78\xe3\xfe\x42\x4e\x82\xfc\xe5\x85\x79\x05\x00\x00\xff\xff\x54\xf2\x55\xe2\x29\x01\x00\x00")
 
 func rolebindingsYamlBytes() ([]byte, error) {
@@ -191,9 +212,10 @@ func AssetNames() []string {
 
 // _bindata is a table, holding each asset generator, mapped to its name.
 var _bindata = map[string]func() (*asset, error){
-	"coredns.yaml":      corednsYaml,
-	"rolebindings.yaml": rolebindingsYaml,
-	"traefik.yaml":      traefikYaml,
+	"coredns.yaml":       corednsYaml,
+	"local-storage.yaml": localStorageYaml,
+	"rolebindings.yaml":  rolebindingsYaml,
+	"traefik.yaml":       traefikYaml,
 }
 
 // AssetDir returns the file names below a certain
@@ -237,9 +259,10 @@ type bintree struct {
 }
 
 var _bintree = &bintree{nil, map[string]*bintree{
-	"coredns.yaml":      &bintree{corednsYaml, map[string]*bintree{}},
-	"rolebindings.yaml": &bintree{rolebindingsYaml, map[string]*bintree{}},
-	"traefik.yaml":      &bintree{traefikYaml, map[string]*bintree{}},
+	"coredns.yaml":       &bintree{corednsYaml, map[string]*bintree{}},
+	"local-storage.yaml": &bintree{localStorageYaml, map[string]*bintree{}},
+	"rolebindings.yaml":  &bintree{rolebindingsYaml, map[string]*bintree{}},
+	"traefik.yaml":       &bintree{traefikYaml, map[string]*bintree{}},
 }}
 
 // RestoreAsset restores an asset under the given directory

pkg/server/server.go

@@ -176,8 +176,9 @@ func stageFiles(ctx context.Context, sc *Context, controlConfig *config.Control)
 
 	dataDir = filepath.Join(controlConfig.DataDir, "manifests")
 	templateVars := map[string]string{
-		"%{CLUSTER_DNS}%":    controlConfig.ClusterDNS.String(),
-		"%{CLUSTER_DOMAIN}%": controlConfig.ClusterDomain,
+		"%{CLUSTER_DNS}%":                controlConfig.ClusterDNS.String(),
+		"%{CLUSTER_DOMAIN}%":             controlConfig.ClusterDomain,
+		"%{DEFAULT_LOCAL_STORAGE_PATH}%": controlConfig.DefaultLocalStoragePath,
 	}
 
 	if err := deploy.Stage(dataDir, templateVars, controlConfig.Skips); err != nil {