package e2etest import ( "context" "encoding/json" "io/ioutil" "path/filepath" "strings" "sync" "testing" "github.com/hashicorp/go-hclog" "github.com/hashicorp/go-plugin" "github.com/hashicorp/terraform/e2e" "github.com/hashicorp/terraform/internal/grpcwrap" simple "github.com/hashicorp/terraform/internal/provider-simple" proto "github.com/hashicorp/terraform/internal/tfplugin5" tfplugin "github.com/hashicorp/terraform/plugin" ) // The tests in this file are for the "unmanaged provider workflow", which // includes variants of the following sequence, with different details: // terraform init // terraform plan // terraform apply // // These tests are run against an in-process server, and checked to make sure // they're not trying to control the lifecycle of the binary. They are not // checked for correctness of the operations themselves. type reattachConfig struct { Protocol string Pid int Test bool Addr reattachConfigAddr } type reattachConfigAddr struct { Network string String string } type providerServer struct { sync.Mutex proto.ProviderServer planResourceChangeCalled bool applyResourceChangeCalled bool } func (p *providerServer) PlanResourceChange(ctx context.Context, req *proto.PlanResourceChange_Request) (*proto.PlanResourceChange_Response, error) { p.Lock() defer p.Unlock() p.planResourceChangeCalled = true return p.ProviderServer.PlanResourceChange(ctx, req) } func (p *providerServer) ApplyResourceChange(ctx context.Context, req *proto.ApplyResourceChange_Request) (*proto.ApplyResourceChange_Response, error) { p.Lock() defer p.Unlock() p.applyResourceChangeCalled = true return p.ProviderServer.ApplyResourceChange(ctx, req) } func (p *providerServer) PlanResourceChangeCalled() bool { p.Lock() defer p.Unlock() return p.planResourceChangeCalled } func (p *providerServer) ResetPlanResourceChangeCalled() { p.Lock() defer p.Unlock() p.planResourceChangeCalled = false } func (p *providerServer) ApplyResourceChangeCalled() bool { p.Lock() defer p.Unlock() return p.applyResourceChangeCalled } func (p *providerServer) ResetApplyResourceChangeCalled() { p.Lock() defer p.Unlock() p.applyResourceChangeCalled = false } func TestUnmanagedSeparatePlan(t *testing.T) { t.Parallel() fixturePath := filepath.Join("testdata", "test-provider") tf := e2e.NewBinary(terraformBin, fixturePath) defer tf.Close() reattachCh := make(chan *plugin.ReattachConfig) closeCh := make(chan struct{}) provider := &providerServer{ ProviderServer: grpcwrap.Provider(simple.Provider()), } ctx, cancel := context.WithCancel(context.Background()) defer cancel() go plugin.Serve(&plugin.ServeConfig{ Logger: hclog.New(&hclog.LoggerOptions{ Name: "plugintest", Level: hclog.Trace, Output: ioutil.Discard, }), Test: &plugin.ServeTestConfig{ Context: ctx, ReattachConfigCh: reattachCh, CloseCh: closeCh, }, GRPCServer: plugin.DefaultGRPCServer, VersionedPlugins: map[int]plugin.PluginSet{ 5: plugin.PluginSet{ "provider": &tfplugin.GRPCProviderPlugin{ GRPCProvider: func() proto.ProviderServer { return provider }, }, }, }, }) config := <-reattachCh if config == nil { t.Fatalf("no reattach config received") } reattachStr, err := json.Marshal(map[string]reattachConfig{ "hashicorp/test": reattachConfig{ Protocol: string(config.Protocol), Pid: config.Pid, Test: true, Addr: reattachConfigAddr{ Network: config.Addr.Network(), String: config.Addr.String(), }, }, }) if err != nil { t.Fatal(err) } tf.AddEnv("TF_REATTACH_PROVIDERS=" + string(reattachStr)) tf.AddEnv("PLUGIN_PROTOCOL_VERSION=5") //// INIT stdout, stderr, err := tf.Run("init") if err != nil { t.Fatalf("unexpected init error: %s\nstderr:\n%s", err, stderr) } // Make sure we didn't download the binary if strings.Contains(stdout, "Installing hashicorp/test v") { t.Errorf("test provider download message is present in init output:\n%s", stdout) } if tf.FileExists(filepath.Join(".terraform", "plugins", "registry.terraform.io", "hashicorp", "test")) { t.Errorf("test provider binary found in .terraform dir") } //// PLAN _, stderr, err = tf.Run("plan", "-out=tfplan") if err != nil { t.Fatalf("unexpected plan error: %s\nstderr:\n%s", err, stderr) } if !provider.PlanResourceChangeCalled() { t.Error("PlanResourceChange not called on un-managed provider") } //// APPLY _, stderr, err = tf.Run("apply", "tfplan") if err != nil { t.Fatalf("unexpected apply error: %s\nstderr:\n%s", err, stderr) } if !provider.ApplyResourceChangeCalled() { t.Error("ApplyResourceChange not called on un-managed provider") } provider.ResetApplyResourceChangeCalled() //// DESTROY _, stderr, err = tf.Run("destroy", "-auto-approve") if err != nil { t.Fatalf("unexpected destroy error: %s\nstderr:\n%s", err, stderr) } if !provider.ApplyResourceChangeCalled() { t.Error("ApplyResourceChange (destroy) not called on in-process provider") } cancel() <-closeCh }