package agent import ( "bytes" "fmt" "net/http" "net/http/httptest" "testing" "github.com/hashicorp/consul/agent/structs" "github.com/hashicorp/consul/testrpc" "github.com/pkg/errors" "github.com/stretchr/testify/require" ) func TestConfig_Get(t *testing.T) { t.Parallel() a := NewTestAgent(t, t.Name(), "") defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") // Create some config entries. reqs := []structs.ConfigEntryRequest{ { Datacenter: "dc1", Entry: &structs.ServiceConfigEntry{ Name: "foo", }, }, { Datacenter: "dc1", Entry: &structs.ServiceConfigEntry{ Name: "bar", }, }, { Datacenter: "dc1", Entry: &structs.ProxyConfigEntry{ Name: structs.ProxyConfigGlobal, Config: map[string]interface{}{ "foo": "bar", "bar": 1, }, }, }, } for _, req := range reqs { out := false require.NoError(t, a.RPC("ConfigEntry.Apply", &req, &out)) } t.Run("get a single service entry", func(t *testing.T) { req, _ := http.NewRequest("GET", "/v1/config/service-defaults/foo", nil) resp := httptest.NewRecorder() obj, err := a.srv.Config(resp, req) require.NoError(t, err) value := obj.(structs.ConfigEntry) require.Equal(t, structs.ServiceDefaults, value.GetKind()) entry := value.(*structs.ServiceConfigEntry) require.Equal(t, entry.Name, "foo") }) t.Run("list both service entries", func(t *testing.T) { req, _ := http.NewRequest("GET", "/v1/config/service-defaults", nil) resp := httptest.NewRecorder() obj, err := a.srv.Config(resp, req) require.NoError(t, err) value := obj.([]structs.ConfigEntry) require.Len(t, value, 2) require.Equal(t, value[0].(*structs.ServiceConfigEntry).Name, "bar") require.Equal(t, value[1].(*structs.ServiceConfigEntry).Name, "foo") }) t.Run("get global proxy config", func(t *testing.T) { req, _ := http.NewRequest("GET", "/v1/config/proxy-defaults/global", nil) resp := httptest.NewRecorder() obj, err := a.srv.Config(resp, req) require.NoError(t, err) value := obj.(structs.ConfigEntry) require.Equal(t, value.GetKind(), structs.ProxyDefaults) entry := value.(*structs.ProxyConfigEntry) require.Equal(t, structs.ProxyConfigGlobal, entry.Name) require.Contains(t, entry.Config, "foo") require.Equal(t, "bar", entry.Config["foo"]) }) t.Run("error on no arguments", func(t *testing.T) { req, _ := http.NewRequest("GET", "/v1/config/", nil) resp := httptest.NewRecorder() _, err := a.srv.Config(resp, req) require.Error(t, errors.New("Must provide either a kind or both kind and name"), err) }) } func TestConfig_Delete(t *testing.T) { t.Parallel() require := require.New(t) a := NewTestAgent(t, t.Name(), "") defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") // Create some config entries. reqs := []structs.ConfigEntryRequest{ { Datacenter: "dc1", Entry: &structs.ServiceConfigEntry{ Name: "foo", }, }, { Datacenter: "dc1", Entry: &structs.ServiceConfigEntry{ Name: "bar", }, }, } for _, req := range reqs { out := false require.NoError(a.RPC("ConfigEntry.Apply", &req, &out)) } // Delete an entry. { req, _ := http.NewRequest("DELETE", "/v1/config/service-defaults/bar", nil) resp := httptest.NewRecorder() _, err := a.srv.Config(resp, req) require.NoError(err) } // Get the remaining entry. { args := structs.ConfigEntryQuery{ Kind: structs.ServiceDefaults, Datacenter: "dc1", } var out structs.IndexedConfigEntries require.NoError(a.RPC("ConfigEntry.List", &args, &out)) require.Equal(structs.ServiceDefaults, out.Kind) require.Len(out.Entries, 1) entry := out.Entries[0].(*structs.ServiceConfigEntry) require.Equal(entry.Name, "foo") } } func TestConfig_Apply(t *testing.T) { t.Parallel() require := require.New(t) a := NewTestAgent(t, t.Name(), "") defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") // Create some config entries. body := bytes.NewBuffer([]byte(` { "Kind": "service-defaults", "Name": "foo", "Protocol": "tcp" }`)) req, _ := http.NewRequest("PUT", "/v1/config", body) resp := httptest.NewRecorder() _, err := a.srv.ConfigApply(resp, req) require.NoError(err) if resp.Code != 200 { t.Fatalf(resp.Body.String()) } // Get the remaining entry. { args := structs.ConfigEntryQuery{ Kind: structs.ServiceDefaults, Name: "foo", Datacenter: "dc1", } var out structs.ConfigEntryResponse require.NoError(a.RPC("ConfigEntry.Get", &args, &out)) require.NotNil(out.Entry) entry := out.Entry.(*structs.ServiceConfigEntry) require.Equal(entry.Name, "foo") } } func TestConfig_Apply_ProxyDefaultsMeshGateway(t *testing.T) { t.Parallel() a := NewTestAgent(t, t.Name(), "") defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") // Create some config entries. body := bytes.NewBuffer([]byte(` { "Kind": "proxy-defaults", "Name": "global", "MeshGateway": { "Mode": "local" } }`)) req, _ := http.NewRequest("PUT", "/v1/config", body) resp := httptest.NewRecorder() _, err := a.srv.ConfigApply(resp, req) require.NoError(t, err) require.Equal(t, 200, resp.Code, "!200 Response Code: %s", resp.Body.String()) // Get the remaining entry. { args := structs.ConfigEntryQuery{ Kind: structs.ProxyDefaults, Name: "global", Datacenter: "dc1", } var out structs.ConfigEntryResponse require.NoError(t, a.RPC("ConfigEntry.Get", &args, &out)) require.NotNil(t, out.Entry) entry := out.Entry.(*structs.ProxyConfigEntry) require.Equal(t, structs.MeshGatewayModeLocal, entry.MeshGateway.Mode) } } func TestConfig_Apply_CAS(t *testing.T) { t.Parallel() require := require.New(t) a := NewTestAgent(t, t.Name(), "") defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") // Create some config entries. body := bytes.NewBuffer([]byte(` { "Kind": "service-defaults", "Name": "foo", "Protocol": "tcp" }`)) req, _ := http.NewRequest("PUT", "/v1/config", body) resp := httptest.NewRecorder() _, err := a.srv.ConfigApply(resp, req) require.NoError(err) if resp.Code != 200 { t.Fatalf(resp.Body.String()) } // Get the entry remaining entry. args := structs.ConfigEntryQuery{ Kind: structs.ServiceDefaults, Name: "foo", Datacenter: "dc1", } out := &structs.ConfigEntryResponse{} require.NoError(a.RPC("ConfigEntry.Get", &args, out)) require.NotNil(out.Entry) entry := out.Entry.(*structs.ServiceConfigEntry) body = bytes.NewBuffer([]byte(` { "Kind": "service-defaults", "Name": "foo", "Protocol": "udp" } `)) req, _ = http.NewRequest("PUT", "/v1/config?cas=0", body) resp = httptest.NewRecorder() writtenRaw, err := a.srv.ConfigApply(resp, req) require.NoError(err) written, ok := writtenRaw.(bool) require.True(ok) require.False(written) require.EqualValues(200, resp.Code, resp.Body.String()) body = bytes.NewBuffer([]byte(` { "Kind": "service-defaults", "Name": "foo", "Protocol": "udp" } `)) req, _ = http.NewRequest("PUT", fmt.Sprintf("/v1/config?cas=%d", entry.GetRaftIndex().ModifyIndex), body) resp = httptest.NewRecorder() writtenRaw, err = a.srv.ConfigApply(resp, req) require.NoError(err) written, ok = writtenRaw.(bool) require.True(ok) require.True(written) require.EqualValues(200, resp.Code, resp.Body.String()) // Get the entry remaining entry. args = structs.ConfigEntryQuery{ Kind: structs.ServiceDefaults, Name: "foo", Datacenter: "dc1", } out = &structs.ConfigEntryResponse{} require.NoError(a.RPC("ConfigEntry.Get", &args, out)) require.NotNil(out.Entry) newEntry := out.Entry.(*structs.ServiceConfigEntry) require.NotEqual(entry.GetRaftIndex(), newEntry.GetRaftIndex()) } func TestConfig_Apply_Decoding(t *testing.T) { t.Parallel() a := NewTestAgent(t, t.Name(), "") defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") t.Run("No Kind", func(t *testing.T) { body := bytes.NewBuffer([]byte( `{ "Name": "foo", "Protocol": "tcp" }`)) req, _ := http.NewRequest("PUT", "/v1/config", body) resp := httptest.NewRecorder() _, err := a.srv.ConfigApply(resp, req) require.Error(t, err) badReq, ok := err.(BadRequestError) require.True(t, ok) require.Equal(t, "Request decoding failed: Payload does not contain a Kind key at the top level", badReq.Reason) }) t.Run("Kind Not String", func(t *testing.T) { body := bytes.NewBuffer([]byte( `{ "Kind": 123, "Name": "foo", "Protocol": "tcp" }`)) req, _ := http.NewRequest("PUT", "/v1/config", body) resp := httptest.NewRecorder() _, err := a.srv.ConfigApply(resp, req) require.Error(t, err) badReq, ok := err.(BadRequestError) require.True(t, ok) require.Equal(t, "Request decoding failed: Kind value in payload is not a string", badReq.Reason) }) t.Run("Lowercase kind", func(t *testing.T) { body := bytes.NewBuffer([]byte( `{ "kind": "service-defaults", "Name": "foo", "Protocol": "tcp" }`)) req, _ := http.NewRequest("PUT", "/v1/config", body) resp := httptest.NewRecorder() _, err := a.srv.ConfigApply(resp, req) require.NoError(t, err) require.EqualValues(t, 200, resp.Code, resp.Body.String()) // Get the remaining entry. { args := structs.ConfigEntryQuery{ Kind: structs.ServiceDefaults, Name: "foo", Datacenter: "dc1", } var out structs.ConfigEntryResponse require.NoError(t, a.RPC("ConfigEntry.Get", &args, &out)) require.NotNil(t, out.Entry) entry := out.Entry.(*structs.ServiceConfigEntry) require.Equal(t, entry.Name, "foo") } }) }