128 lines
2.9 KiB
Go
128 lines
2.9 KiB
Go
/*
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Copyright 2017 Luis Pabón luis@portworx.com
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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 test
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import (
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"context"
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"net"
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"sync"
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"testing"
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"github.com/container-storage-interface/spec/lib/go/csi"
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"github.com/kubernetes-csi/csi-test/utils"
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"google.golang.org/grpc"
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"google.golang.org/grpc/reflection"
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)
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// Example simple driver
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// This example assumes that your driver will create the server and listen on
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// some unix domain socket or port for tests.
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type simpleDriver struct {
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listener net.Listener
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server *grpc.Server
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wg sync.WaitGroup
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}
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func (s *simpleDriver) GetPluginCapabilities(context.Context, *csi.GetPluginCapabilitiesRequest) (*csi.GetPluginCapabilitiesResponse, error) {
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// TODO: Return some simple Plugin Capabilities
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return &csi.GetPluginCapabilitiesResponse{}, nil
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}
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func (s *simpleDriver) Probe(context.Context, *csi.ProbeRequest) (*csi.ProbeResponse, error) {
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return &csi.ProbeResponse{}, nil
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}
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func (s *simpleDriver) GetPluginInfo(
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context.Context, *csi.GetPluginInfoRequest) (*csi.GetPluginInfoResponse, error) {
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return &csi.GetPluginInfoResponse{
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Name: "simpleDriver",
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VendorVersion: "0.1.1",
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Manifest: map[string]string{
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"hello": "world",
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},
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}, nil
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}
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func (s *simpleDriver) goServe() {
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s.wg.Add(1)
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go func() {
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defer s.wg.Done()
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s.server.Serve(s.listener)
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}()
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}
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func (s *simpleDriver) Address() string {
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return s.listener.Addr().String()
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}
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func (s *simpleDriver) Start() error {
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// Listen on a port assigned by the net package
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l, err := net.Listen("tcp", "127.0.0.1:0")
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if err != nil {
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return err
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}
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s.listener = l
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// Create a new grpc server
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s.server = grpc.NewServer()
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csi.RegisterIdentityServer(s.server, s)
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reflection.Register(s.server)
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// Start listening for requests
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s.goServe()
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return nil
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}
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func (s *simpleDriver) Stop() {
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s.server.Stop()
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s.wg.Wait()
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}
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//
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// Tests
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//
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func TestSimpleDriver(t *testing.T) {
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// Setup simple driver
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s := &simpleDriver{}
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err := s.Start()
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if err != nil {
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t.Errorf("Error: %s", err.Error())
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}
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defer s.Stop()
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// Setup a connection to the driver
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conn, err := utils.Connect(s.Address())
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if err != nil {
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t.Errorf("Error: %s", err.Error())
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}
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defer conn.Close()
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// Make a call
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c := csi.NewIdentityClient(conn)
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r, err := c.GetPluginInfo(context.Background(), &csi.GetPluginInfoRequest{})
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if err != nil {
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t.Errorf("Error: %s", err.Error())
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}
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// Verify
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name := r.GetName()
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if name != "simpleDriver" {
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t.Errorf("Unknown name: %s\n", name)
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}
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}
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