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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 <[email protected]>
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/* | ||
Copyright 2023 The Ceph-CSI Authors. | ||
Licensed under the Apache License, Version 2.0 (the "License"); | ||
you may not use this file except in compliance with the License. | ||
You may obtain a copy of the License at | ||
http://www.apache.org/licenses/LICENSE-2.0 | ||
Unless required by applicable law or agreed to in writing, software | ||
distributed under the License is distributed on an "AS IS" BASIS, | ||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
See the License for the specific language governing permissions and | ||
limitations under the License. | ||
*/ | ||
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package cephfs | ||
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import ( | ||
"os" | ||
"testing" | ||
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"github.com/stretchr/testify/assert" | ||
"github.com/stretchr/testify/require" | ||
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"github.com/ceph/ceph-csi/internal/util" | ||
) | ||
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func TestSetupCSIAddonsServer(t *testing.T) { | ||
t.Parallel() | ||
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// endpoint in a temporary directory | ||
tmpDir := t.TempDir() | ||
endpoint := "unix://" + tmpDir + "/csi-addons.sock" | ||
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config := &util.Config{ | ||
CSIAddonsEndpoint: endpoint, | ||
} | ||
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drv := &Driver{} | ||
err := drv.setupCSIAddonsServer(config) | ||
require.NoError(t, err) | ||
require.NotNil(t, drv.cas) | ||
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// verify the socket file has been created | ||
_, err = os.Stat(tmpDir + "/csi-addons.sock") | ||
assert.NoError(t, err) | ||
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// stop the gRPC server | ||
drv.cas.Stop() | ||
} |
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/* | ||
Copyright 2023 The Ceph-CSI Authors. | ||
Licensed under the Apache License, Version 2.0 (the "License"); | ||
you may not use this file except in compliance with the License. | ||
You may obtain a copy of the License at | ||
http://www.apache.org/licenses/LICENSE-2.0 | ||
Unless required by applicable law or agreed to in writing, software | ||
distributed under the License is distributed on an "AS IS" BASIS, | ||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
See the License for the specific language governing permissions and | ||
limitations under the License. | ||
*/ | ||
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package cephfs | ||
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import ( | ||
"context" | ||
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"github.com/csi-addons/spec/lib/go/identity" | ||
"google.golang.org/grpc" | ||
"google.golang.org/protobuf/types/known/wrapperspb" | ||
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"github.com/ceph/ceph-csi/internal/util" | ||
) | ||
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// IdentityServer struct of ceph CSI driver with supported methods of CSI | ||
// identity server spec. | ||
type IdentityServer struct { | ||
*identity.UnimplementedIdentityServer | ||
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config *util.Config | ||
} | ||
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// NewIdentityServer creates a new IdentityServer which handles the Identity | ||
// Service requests from the CSI-Addons specification. | ||
func NewIdentityServer(config *util.Config) *IdentityServer { | ||
return &IdentityServer{ | ||
config: config, | ||
} | ||
} | ||
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func (is *IdentityServer) RegisterService(server grpc.ServiceRegistrar) { | ||
identity.RegisterIdentityServer(server, is) | ||
} | ||
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// GetIdentity returns available capabilities of the ceph driver. | ||
func (is *IdentityServer) GetIdentity( | ||
ctx context.Context, | ||
req *identity.GetIdentityRequest, | ||
) (*identity.GetIdentityResponse, error) { | ||
// only include Name and VendorVersion, Manifest is optional | ||
res := &identity.GetIdentityResponse{ | ||
Name: is.config.DriverName, | ||
VendorVersion: util.DriverVersion, | ||
} | ||
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return res, nil | ||
} | ||
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// GetCapabilities returns available capabilities of the ceph driver. | ||
func (is *IdentityServer) GetCapabilities( | ||
ctx context.Context, | ||
req *identity.GetCapabilitiesRequest, | ||
) (*identity.GetCapabilitiesResponse, error) { | ||
// build the list of capabilities, depending on the config | ||
caps := make([]*identity.Capability, 0) | ||
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if is.config.IsControllerServer { | ||
// we're running as a CSI Controller service | ||
caps = append(caps, | ||
&identity.Capability{ | ||
Type: &identity.Capability_Service_{ | ||
Service: &identity.Capability_Service{ | ||
Type: identity.Capability_Service_CONTROLLER_SERVICE, | ||
}, | ||
}, | ||
}) | ||
} | ||
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res := &identity.GetCapabilitiesResponse{ | ||
Capabilities: caps, | ||
} | ||
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return res, nil | ||
} | ||
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// Probe is called by the CO plugin to validate that the CSI-Addons Node is | ||
// still healthy. | ||
func (is *IdentityServer) Probe( | ||
ctx context.Context, | ||
req *identity.ProbeRequest, | ||
) (*identity.ProbeResponse, error) { | ||
// there is nothing that would cause a delay in getting ready | ||
res := &identity.ProbeResponse{ | ||
Ready: &wrapperspb.BoolValue{Value: true}, | ||
} | ||
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return res, nil | ||
} |