open-consul/agent/peering_endpoint_test.go
R.B. Boyer 5b801db24b
peering: move peer replication to the external gRPC port (#13698)
Peer replication is intended to be between separate Consul installs and
effectively should be considered "external". This PR moves the peer
stream replication bidirectional RPC endpoint to the external gRPC
server and ensures that things continue to function.
2022-07-08 12:01:13 -05:00

428 lines
13 KiB
Go

package agent
import (
"bytes"
"context"
"encoding/base64"
"encoding/json"
"fmt"
"io"
"net/http"
"net/http/httptest"
"testing"
"time"
"github.com/stretchr/testify/require"
"github.com/hashicorp/consul/agent/structs"
"github.com/hashicorp/consul/api"
"github.com/hashicorp/consul/proto/pbpeering"
"github.com/hashicorp/consul/sdk/testutil/retry"
"github.com/hashicorp/consul/testrpc"
)
var validCA = `
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
`
func TestHTTP_Peering_GenerateToken(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
a := NewTestAgent(t, "")
testrpc.WaitForTestAgent(t, a.RPC, "dc1")
t.Run("No Body", func(t *testing.T) {
req, err := http.NewRequest("POST", "/v1/peering/token", nil)
require.NoError(t, err)
resp := httptest.NewRecorder()
a.srv.h.ServeHTTP(resp, req)
require.Equal(t, http.StatusBadRequest, resp.Code)
body, _ := io.ReadAll(resp.Body)
require.Contains(t, string(body), "The peering arguments must be provided in the body")
})
t.Run("Body Invalid", func(t *testing.T) {
req, err := http.NewRequest("POST", "/v1/peering/token", bytes.NewReader([]byte("abc")))
require.NoError(t, err)
resp := httptest.NewRecorder()
a.srv.h.ServeHTTP(resp, req)
require.Equal(t, http.StatusBadRequest, resp.Code)
body, _ := io.ReadAll(resp.Body)
require.Contains(t, string(body), "Body decoding failed:")
})
t.Run("No Name", func(t *testing.T) {
req, err := http.NewRequest("POST", "/v1/peering/token",
bytes.NewReader([]byte(`{}`)))
require.NoError(t, err)
resp := httptest.NewRecorder()
a.srv.h.ServeHTTP(resp, req)
require.Equal(t, http.StatusBadRequest, resp.Code)
body, _ := io.ReadAll(resp.Body)
require.Contains(t, string(body), "PeerName is required")
})
// TODO(peering): add more failure cases
t.Run("Success", func(t *testing.T) {
body := &pbpeering.GenerateTokenRequest{
PeerName: "peering-a",
}
bodyBytes, err := json.Marshal(body)
require.NoError(t, err)
req, err := http.NewRequest("POST", "/v1/peering/token", bytes.NewReader(bodyBytes))
require.NoError(t, err)
resp := httptest.NewRecorder()
a.srv.h.ServeHTTP(resp, req)
require.Equal(t, http.StatusOK, resp.Code, "expected 200, got %d: %v", resp.Code, resp.Body.String())
var r pbpeering.GenerateTokenResponse
require.NoError(t, json.NewDecoder(resp.Body).Decode(&r))
tokenJSON, err := base64.StdEncoding.DecodeString(r.PeeringToken)
require.NoError(t, err)
var token structs.PeeringToken
require.NoError(t, json.Unmarshal(tokenJSON, &token))
require.Nil(t, token.CA)
require.Equal(t, []string{fmt.Sprintf("127.0.0.1:%d", a.config.GRPCPort)}, token.ServerAddresses)
require.Equal(t, "server.dc1.consul", token.ServerName)
// The PeerID in the token is randomly generated so we don't assert on its value.
require.NotEmpty(t, token.PeerID)
})
}
func TestHTTP_Peering_Establish(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
a := NewTestAgent(t, "")
testrpc.WaitForTestAgent(t, a.RPC, "dc1")
t.Run("No Body", func(t *testing.T) {
req, err := http.NewRequest("POST", "/v1/peering/establish", nil)
require.NoError(t, err)
resp := httptest.NewRecorder()
a.srv.h.ServeHTTP(resp, req)
require.Equal(t, http.StatusBadRequest, resp.Code)
body, _ := io.ReadAll(resp.Body)
require.Contains(t, string(body), "The peering arguments must be provided in the body")
})
t.Run("Body Invalid", func(t *testing.T) {
req, err := http.NewRequest("POST", "/v1/peering/establish", bytes.NewReader([]byte("abc")))
require.NoError(t, err)
resp := httptest.NewRecorder()
a.srv.h.ServeHTTP(resp, req)
require.Equal(t, http.StatusBadRequest, resp.Code)
body, _ := io.ReadAll(resp.Body)
require.Contains(t, string(body), "Body decoding failed:")
})
t.Run("No Name", func(t *testing.T) {
req, err := http.NewRequest("POST", "/v1/peering/establish",
bytes.NewReader([]byte(`{}`)))
require.NoError(t, err)
resp := httptest.NewRecorder()
a.srv.h.ServeHTTP(resp, req)
require.Equal(t, http.StatusBadRequest, resp.Code)
body, _ := io.ReadAll(resp.Body)
require.Contains(t, string(body), "PeerName is required")
})
t.Run("No Token", func(t *testing.T) {
req, err := http.NewRequest("POST", "/v1/peering/establish",
bytes.NewReader([]byte(`{"PeerName": "peer1-usw1"}`)))
require.NoError(t, err)
resp := httptest.NewRecorder()
a.srv.h.ServeHTTP(resp, req)
require.Equal(t, http.StatusBadRequest, resp.Code)
body, _ := io.ReadAll(resp.Body)
require.Contains(t, string(body), "PeeringToken is required")
})
// TODO(peering): add more failure cases
t.Run("Success", func(t *testing.T) {
token := structs.PeeringToken{
CA: []string{validCA},
ServerName: "server.dc1.consul",
ServerAddresses: []string{fmt.Sprintf("1.2.3.4:%d", 443)},
PeerID: "a0affd3e-f1c8-4bb9-9168-90fd902c441d",
}
tokenJSON, _ := json.Marshal(&token)
tokenB64 := base64.StdEncoding.EncodeToString(tokenJSON)
body := &pbpeering.EstablishRequest{
PeerName: "peering-a",
PeeringToken: tokenB64,
Meta: map[string]string{"foo": "bar"},
}
bodyBytes, err := json.Marshal(body)
require.NoError(t, err)
req, err := http.NewRequest("POST", "/v1/peering/establish", bytes.NewReader(bodyBytes))
require.NoError(t, err)
resp := httptest.NewRecorder()
a.srv.h.ServeHTTP(resp, req)
require.Equal(t, http.StatusOK, resp.Code, "expected 200, got %d: %v", resp.Code, resp.Body.String())
// success response does not currently return a value so {} is correct
require.Equal(t, "{}", resp.Body.String())
})
}
func TestHTTP_Peering_MethodNotAllowed(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
a := NewTestAgent(t, "")
testrpc.WaitForTestAgent(t, a.RPC, "dc1")
ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
defer cancel()
// Insert peerings directly to state store.
// Note that the state store holds reference to the underlying
// variables; do not modify them after writing.
foo := &pbpeering.PeeringWriteRequest{
Peering: &pbpeering.Peering{
Name: "foo",
State: pbpeering.PeeringState_ESTABLISHING,
PeerCAPems: nil,
PeerServerName: "fooservername",
PeerServerAddresses: []string{"addr1"},
},
}
_, err := a.rpcClientPeering.PeeringWrite(ctx, foo)
require.NoError(t, err)
req, err := http.NewRequest("PUT", "/v1/peering/foo", nil)
require.NoError(t, err)
resp := httptest.NewRecorder()
a.srv.h.ServeHTTP(resp, req)
require.Equal(t, http.StatusMethodNotAllowed, resp.Code)
}
func TestHTTP_Peering_Read(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
a := NewTestAgent(t, "")
testrpc.WaitForTestAgent(t, a.RPC, "dc1")
ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
defer cancel()
// Insert peerings directly to state store.
// Note that the state store holds reference to the underlying
// variables; do not modify them after writing.
foo := &pbpeering.PeeringWriteRequest{
Peering: &pbpeering.Peering{
Name: "foo",
State: pbpeering.PeeringState_ESTABLISHING,
PeerCAPems: nil,
PeerServerName: "fooservername",
PeerServerAddresses: []string{"addr1"},
Meta: map[string]string{"foo": "bar"},
},
}
_, err := a.rpcClientPeering.PeeringWrite(ctx, foo)
require.NoError(t, err)
bar := &pbpeering.PeeringWriteRequest{
Peering: &pbpeering.Peering{
Name: "bar",
State: pbpeering.PeeringState_ACTIVE,
PeerCAPems: nil,
PeerServerName: "barservername",
PeerServerAddresses: []string{"addr1"},
},
}
_, err = a.rpcClientPeering.PeeringWrite(ctx, bar)
require.NoError(t, err)
t.Run("return foo", func(t *testing.T) {
req, err := http.NewRequest("GET", "/v1/peering/foo", nil)
require.NoError(t, err)
resp := httptest.NewRecorder()
a.srv.h.ServeHTTP(resp, req)
require.Equal(t, http.StatusOK, resp.Code)
var apiResp api.Peering
require.NoError(t, json.NewDecoder(resp.Body).Decode(&apiResp))
require.Equal(t, foo.Peering.Name, apiResp.Name)
require.Equal(t, foo.Peering.Meta, apiResp.Meta)
require.Equal(t, uint64(0), apiResp.ImportedServiceCount)
require.Equal(t, uint64(0), apiResp.ExportedServiceCount)
})
t.Run("not found", func(t *testing.T) {
req, err := http.NewRequest("GET", "/v1/peering/baz", nil)
require.NoError(t, err)
resp := httptest.NewRecorder()
a.srv.h.ServeHTTP(resp, req)
require.Equal(t, http.StatusNotFound, resp.Code)
require.Equal(t, "Peering not found for \"baz\"", resp.Body.String())
})
}
func TestHTTP_Peering_Delete(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
a := NewTestAgent(t, "")
testrpc.WaitForTestAgent(t, a.RPC, "dc1")
ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
defer cancel()
foo := &pbpeering.PeeringWriteRequest{
Peering: &pbpeering.Peering{
Name: "foo",
State: pbpeering.PeeringState_ESTABLISHING,
PeerCAPems: nil,
PeerServerName: "fooservername",
PeerServerAddresses: []string{"addr1"},
},
}
_, err := a.rpcClientPeering.PeeringWrite(ctx, foo)
require.NoError(t, err)
t.Run("read existing token before attempting delete", func(t *testing.T) {
req, err := http.NewRequest("GET", "/v1/peering/foo", nil)
require.NoError(t, err)
resp := httptest.NewRecorder()
a.srv.h.ServeHTTP(resp, req)
require.Equal(t, http.StatusOK, resp.Code)
var apiResp api.Peering
require.NoError(t, json.NewDecoder(resp.Body).Decode(&apiResp))
require.Equal(t, foo.Peering.Name, apiResp.Name)
})
t.Run("delete the existing token we just read", func(t *testing.T) {
req, err := http.NewRequest("DELETE", "/v1/peering/foo", nil)
require.NoError(t, err)
resp := httptest.NewRecorder()
a.srv.h.ServeHTTP(resp, req)
require.Equal(t, http.StatusOK, resp.Code)
require.Equal(t, "", resp.Body.String())
})
t.Run("now the token is deleted and reads should yield a 404", func(t *testing.T) {
retry.Run(t, func(r *retry.R) {
req, err := http.NewRequest("GET", "/v1/peering/foo", nil)
require.NoError(r, err)
resp := httptest.NewRecorder()
a.srv.h.ServeHTTP(resp, req)
require.Equal(r, http.StatusNotFound, resp.Code)
})
})
t.Run("delete a token that does not exist", func(t *testing.T) {
req, err := http.NewRequest("DELETE", "/v1/peering/baz", nil)
require.NoError(t, err)
resp := httptest.NewRecorder()
a.srv.h.ServeHTTP(resp, req)
require.Equal(t, http.StatusOK, resp.Code)
})
}
func TestHTTP_Peering_List(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
a := NewTestAgent(t, "")
testrpc.WaitForTestAgent(t, a.RPC, "dc1")
ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
defer cancel()
// Insert peerings directly to state store.
// Note that the state store holds reference to the underlying
// variables; do not modify them after writing.
foo := &pbpeering.PeeringWriteRequest{
Peering: &pbpeering.Peering{
Name: "foo",
State: pbpeering.PeeringState_ESTABLISHING,
PeerCAPems: nil,
PeerServerName: "fooservername",
PeerServerAddresses: []string{"addr1"},
},
}
_, err := a.rpcClientPeering.PeeringWrite(ctx, foo)
require.NoError(t, err)
bar := &pbpeering.PeeringWriteRequest{
Peering: &pbpeering.Peering{
Name: "bar",
State: pbpeering.PeeringState_ACTIVE,
PeerCAPems: nil,
PeerServerName: "barservername",
PeerServerAddresses: []string{"addr1"},
},
}
_, err = a.rpcClientPeering.PeeringWrite(ctx, bar)
require.NoError(t, err)
t.Run("return all", func(t *testing.T) {
req, err := http.NewRequest("GET", "/v1/peerings", nil)
require.NoError(t, err)
resp := httptest.NewRecorder()
a.srv.h.ServeHTTP(resp, req)
require.Equal(t, http.StatusOK, resp.Code)
var apiResp []*api.Peering
require.NoError(t, json.NewDecoder(resp.Body).Decode(&apiResp))
require.Len(t, apiResp, 2)
for _, p := range apiResp {
require.Equal(t, uint64(0), p.ImportedServiceCount)
require.Equal(t, uint64(0), p.ExportedServiceCount)
}
})
}