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cephfs: add CSI-Addons support to the cephfs
this commit adds CSI-Addons support to the cephfs provisioner Signed-off-by: riya-singhal31 <rsinghal@redhat.com>
This commit is contained in:
parent
47b79c82ec
commit
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@ -17,9 +17,13 @@ limitations under the License.
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package cephfs
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import (
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"fmt"
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"github.com/ceph/ceph-csi/internal/cephfs/mounter"
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"github.com/ceph/ceph-csi/internal/cephfs/store"
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fsutil "github.com/ceph/ceph-csi/internal/cephfs/util"
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casceph "github.com/ceph/ceph-csi/internal/csi-addons/cephfs"
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csiaddons "github.com/ceph/ceph-csi/internal/csi-addons/server"
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csicommon "github.com/ceph/ceph-csi/internal/csi-common"
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"github.com/ceph/ceph-csi/internal/journal"
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"github.com/ceph/ceph-csi/internal/util"
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@ -35,6 +39,8 @@ type Driver struct {
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is *IdentityServer
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ns *NodeServer
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cs *ControllerServer
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// cas is the CSIAddonsServer where CSI-Addons services are handled
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cas *csiaddons.CSIAddonsServer
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}
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// CSIInstanceID is the instance ID that is unique to an instance of CSI, used when sharing
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@ -147,6 +153,12 @@ func (fs *Driver) Run(conf *util.Config) {
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fs.cs = NewControllerServer(fs.cd)
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}
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// configre CSI-Addons server and components
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err = fs.setupCSIAddonsServer(conf)
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if err != nil {
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log.FatalLogMsg(err.Error())
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}
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server := csicommon.NewNonBlockingGRPCServer()
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srv := csicommon.Servers{
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IS: fs.is,
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@ -169,3 +181,27 @@ func (fs *Driver) Run(conf *util.Config) {
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}
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server.Wait()
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}
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// setupCSIAddonsServer creates a new CSI-Addons Server on the given (URL)
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// endpoint. The supported CSI-Addons operations get registered as their own
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// services.
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func (fs *Driver) setupCSIAddonsServer(conf *util.Config) error {
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var err error
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fs.cas, err = csiaddons.NewCSIAddonsServer(conf.CSIAddonsEndpoint)
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if err != nil {
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return fmt.Errorf("failed to create CSI-Addons server: %w", err)
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}
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// register services
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is := casceph.NewIdentityServer(conf)
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fs.cas.RegisterService(is)
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// start the server, this does not block, it runs a new go-routine
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err = fs.cas.Start()
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if err != nil {
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return fmt.Errorf("failed to start CSI-Addons server: %w", err)
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}
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return nil
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}
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51
internal/cephfs/driver_test.go
Normal file
51
internal/cephfs/driver_test.go
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@ -0,0 +1,51 @@
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/*
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Copyright 2023 The Ceph-CSI Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package cephfs
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import (
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"os"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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"github.com/ceph/ceph-csi/internal/util"
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)
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func TestSetupCSIAddonsServer(t *testing.T) {
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t.Parallel()
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// endpoint in a temporary directory
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tmpDir := t.TempDir()
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endpoint := "unix://" + tmpDir + "/csi-addons.sock"
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config := &util.Config{
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CSIAddonsEndpoint: endpoint,
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}
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drv := &Driver{}
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err := drv.setupCSIAddonsServer(config)
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require.NoError(t, err)
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require.NotNil(t, drv.cas)
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// verify the socket file has been created
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_, err = os.Stat(tmpDir + "/csi-addons.sock")
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assert.NoError(t, err)
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// stop the gRPC server
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drv.cas.Stop()
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}
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102
internal/csi-addons/cephfs/identity.go
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102
internal/csi-addons/cephfs/identity.go
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@ -0,0 +1,102 @@
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/*
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Copyright 2023 The Ceph-CSI Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package cephfs
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import (
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"context"
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"github.com/csi-addons/spec/lib/go/identity"
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"google.golang.org/grpc"
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"google.golang.org/protobuf/types/known/wrapperspb"
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"github.com/ceph/ceph-csi/internal/util"
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)
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// IdentityServer struct of ceph CSI driver with supported methods of CSI
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// identity server spec.
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type IdentityServer struct {
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*identity.UnimplementedIdentityServer
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config *util.Config
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}
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// NewIdentityServer creates a new IdentityServer which handles the Identity
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// Service requests from the CSI-Addons specification.
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func NewIdentityServer(config *util.Config) *IdentityServer {
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return &IdentityServer{
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config: config,
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}
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}
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func (is *IdentityServer) RegisterService(server grpc.ServiceRegistrar) {
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identity.RegisterIdentityServer(server, is)
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}
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// GetIdentity returns available capabilities of the ceph driver.
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func (is *IdentityServer) GetIdentity(
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ctx context.Context,
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req *identity.GetIdentityRequest,
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) (*identity.GetIdentityResponse, error) {
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// only include Name and VendorVersion, Manifest is optional
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res := &identity.GetIdentityResponse{
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Name: is.config.DriverName,
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VendorVersion: util.DriverVersion,
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}
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return res, nil
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}
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// GetCapabilities returns available capabilities of the ceph driver.
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func (is *IdentityServer) GetCapabilities(
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ctx context.Context,
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req *identity.GetCapabilitiesRequest,
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) (*identity.GetCapabilitiesResponse, error) {
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// build the list of capabilities, depending on the config
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caps := make([]*identity.Capability, 0)
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if is.config.IsControllerServer {
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// we're running as a CSI Controller service
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caps = append(caps,
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&identity.Capability{
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Type: &identity.Capability_Service_{
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Service: &identity.Capability_Service{
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Type: identity.Capability_Service_CONTROLLER_SERVICE,
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},
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},
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})
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}
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res := &identity.GetCapabilitiesResponse{
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Capabilities: caps,
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}
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return res, nil
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}
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// Probe is called by the CO plugin to validate that the CSI-Addons Node is
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// still healthy.
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func (is *IdentityServer) Probe(
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ctx context.Context,
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req *identity.ProbeRequest,
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) (*identity.ProbeResponse, error) {
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// there is nothing that would cause a delay in getting ready
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res := &identity.ProbeResponse{
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Ready: &wrapperspb.BoolValue{Value: true},
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}
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return res, nil
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}
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