open-consul/agent/consul/operator_raft_endpoint_test.go

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package consul
import (
"fmt"
"os"
"strings"
"testing"
"time"
"github.com/hashicorp/consul/acl"
"github.com/hashicorp/consul/agent/structs"
"github.com/hashicorp/consul/lib/freeport"
"github.com/hashicorp/consul/testrpc"
"github.com/hashicorp/net-rpc-msgpackrpc"
"github.com/hashicorp/raft"
"github.com/pascaldekloe/goe/verify"
)
func TestOperator_RaftGetConfiguration(t *testing.T) {
t.Parallel()
dir1, s1 := testServer(t)
defer os.RemoveAll(dir1)
defer s1.Shutdown()
codec := rpcClient(t, s1)
defer codec.Close()
testrpc.WaitForLeader(t, s1.RPC, "dc1")
arg := structs.DCSpecificRequest{
Datacenter: "dc1",
}
var reply structs.RaftConfigurationResponse
if err := msgpackrpc.CallWithCodec(codec, "Operator.RaftGetConfiguration", &arg, &reply); err != nil {
t.Fatalf("err: %v", err)
}
future := s1.raft.GetConfiguration()
if err := future.Error(); err != nil {
t.Fatalf("err: %v", err)
}
if len(future.Configuration().Servers) != 1 {
t.Fatalf("bad: %v", future.Configuration().Servers)
}
me := future.Configuration().Servers[0]
expected := structs.RaftConfigurationResponse{
Servers: []*structs.RaftServer{
&structs.RaftServer{
ID: me.ID,
Node: s1.config.NodeName,
Address: me.Address,
Leader: true,
Voter: true,
ProtocolVersion: "3",
},
},
Index: future.Index(),
}
verify.Values(t, "", reply, expected)
}
func TestOperator_RaftGetConfiguration_ACLDeny(t *testing.T) {
t.Parallel()
dir1, s1 := testServerWithConfig(t, func(c *Config) {
c.ACLDatacenter = "dc1"
c.ACLMasterToken = "root"
c.ACLDefaultPolicy = "deny"
})
defer os.RemoveAll(dir1)
defer s1.Shutdown()
codec := rpcClient(t, s1)
defer codec.Close()
testrpc.WaitForLeader(t, s1.RPC, "dc1")
// Make a request with no token to make sure it gets denied.
arg := structs.DCSpecificRequest{
Datacenter: "dc1",
}
var reply structs.RaftConfigurationResponse
err := msgpackrpc.CallWithCodec(codec, "Operator.RaftGetConfiguration", &arg, &reply)
if !acl.IsErrPermissionDenied(err) {
t.Fatalf("err: %v", err)
}
// Create an ACL with operator read permissions.
var token string
{
var rules = `
operator = "read"
`
req := structs.ACLRequest{
Datacenter: "dc1",
Op: structs.ACLSet,
ACL: structs.ACL{
Name: "User token",
Type: structs.ACLTypeClient,
Rules: rules,
},
WriteRequest: structs.WriteRequest{Token: "root"},
}
if err := msgpackrpc.CallWithCodec(codec, "ACL.Apply", &req, &token); err != nil {
t.Fatalf("err: %v", err)
}
}
// Now it should go through.
arg.Token = token
if err := msgpackrpc.CallWithCodec(codec, "Operator.RaftGetConfiguration", &arg, &reply); err != nil {
t.Fatalf("err: %v", err)
}
future := s1.raft.GetConfiguration()
if err := future.Error(); err != nil {
t.Fatalf("err: %v", err)
}
if len(future.Configuration().Servers) != 1 {
t.Fatalf("bad: %v", future.Configuration().Servers)
}
me := future.Configuration().Servers[0]
expected := structs.RaftConfigurationResponse{
Servers: []*structs.RaftServer{
&structs.RaftServer{
ID: me.ID,
Node: s1.config.NodeName,
Address: me.Address,
Leader: true,
Voter: true,
ProtocolVersion: "3",
},
},
Index: future.Index(),
}
verify.Values(t, "", reply, expected)
}
func TestOperator_RaftRemovePeerByAddress(t *testing.T) {
t.Parallel()
dir1, s1 := testServer(t)
defer os.RemoveAll(dir1)
defer s1.Shutdown()
codec := rpcClient(t, s1)
defer codec.Close()
testrpc.WaitForLeader(t, s1.RPC, "dc1")
// Try to remove a peer that's not there.
arg := structs.RaftRemovePeerRequest{
Datacenter: "dc1",
Address: raft.ServerAddress(fmt.Sprintf("127.0.0.1:%d", freeport.Get(1)[0])),
}
var reply struct{}
err := msgpackrpc.CallWithCodec(codec, "Operator.RaftRemovePeerByAddress", &arg, &reply)
if err == nil || !strings.Contains(err.Error(), "not found in the Raft configuration") {
t.Fatalf("err: %v", err)
}
// Add it manually to Raft.
{
id := raft.ServerID("fake-node-id")
future := s1.raft.AddVoter(id, arg.Address, 0, time.Second)
if err := future.Error(); err != nil {
t.Fatalf("err: %v", err)
}
}
// Make sure it's there.
{
future := s1.raft.GetConfiguration()
if err := future.Error(); err != nil {
t.Fatalf("err: %v", err)
}
configuration := future.Configuration()
if len(configuration.Servers) != 2 {
t.Fatalf("bad: %v", configuration)
}
}
// Remove it, now it should go through.
if err := msgpackrpc.CallWithCodec(codec, "Operator.RaftRemovePeerByAddress", &arg, &reply); err != nil {
t.Fatalf("err: %v", err)
}
// Make sure it's not there.
{
future := s1.raft.GetConfiguration()
if err := future.Error(); err != nil {
t.Fatalf("err: %v", err)
}
configuration := future.Configuration()
if len(configuration.Servers) != 1 {
t.Fatalf("bad: %v", configuration)
}
}
}
func TestOperator_RaftRemovePeerByAddress_ACLDeny(t *testing.T) {
t.Parallel()
dir1, s1 := testServerWithConfig(t, func(c *Config) {
c.ACLDatacenter = "dc1"
c.ACLMasterToken = "root"
c.ACLDefaultPolicy = "deny"
})
defer os.RemoveAll(dir1)
defer s1.Shutdown()
codec := rpcClient(t, s1)
defer codec.Close()
testrpc.WaitForLeader(t, s1.RPC, "dc1")
// Make a request with no token to make sure it gets denied.
arg := structs.RaftRemovePeerRequest{
Datacenter: "dc1",
Address: raft.ServerAddress(s1.config.RPCAddr.String()),
}
var reply struct{}
err := msgpackrpc.CallWithCodec(codec, "Operator.RaftRemovePeerByAddress", &arg, &reply)
if !acl.IsErrPermissionDenied(err) {
t.Fatalf("err: %v", err)
}
// Create an ACL with operator write permissions.
var token string
{
var rules = `
operator = "write"
`
req := structs.ACLRequest{
Datacenter: "dc1",
Op: structs.ACLSet,
ACL: structs.ACL{
Name: "User token",
Type: structs.ACLTypeClient,
Rules: rules,
},
WriteRequest: structs.WriteRequest{Token: "root"},
}
if err := msgpackrpc.CallWithCodec(codec, "ACL.Apply", &req, &token); err != nil {
t.Fatalf("err: %v", err)
}
}
// Now it should kick back for being an invalid config, which means it
// tried to do the operation.
arg.Token = token
err = msgpackrpc.CallWithCodec(codec, "Operator.RaftRemovePeerByAddress", &arg, &reply)
if err == nil || !strings.Contains(err.Error(), "at least one voter") {
t.Fatalf("err: %v", err)
}
}
func TestOperator_RaftRemovePeerByID(t *testing.T) {
t.Parallel()
dir1, s1 := testServerWithConfig(t, func(c *Config) {
c.RaftConfig.ProtocolVersion = 3
})
defer os.RemoveAll(dir1)
defer s1.Shutdown()
codec := rpcClient(t, s1)
defer codec.Close()
testrpc.WaitForLeader(t, s1.RPC, "dc1")
// Try to remove a peer that's not there.
arg := structs.RaftRemovePeerRequest{
Datacenter: "dc1",
ID: raft.ServerID("e35bde83-4e9c-434f-a6ef-453f44ee21ea"),
}
var reply struct{}
err := msgpackrpc.CallWithCodec(codec, "Operator.RaftRemovePeerByID", &arg, &reply)
if err == nil || !strings.Contains(err.Error(), "not found in the Raft configuration") {
t.Fatalf("err: %v", err)
}
// Add it manually to Raft.
{
future := s1.raft.AddVoter(arg.ID, raft.ServerAddress(fmt.Sprintf("127.0.0.1:%d", freeport.Get(1)[0])), 0, 0)
if err := future.Error(); err != nil {
t.Fatalf("err: %v", err)
}
}
// Make sure it's there.
{
future := s1.raft.GetConfiguration()
if err := future.Error(); err != nil {
t.Fatalf("err: %v", err)
}
configuration := future.Configuration()
if len(configuration.Servers) != 2 {
t.Fatalf("bad: %v", configuration)
}
}
// Remove it, now it should go through.
if err := msgpackrpc.CallWithCodec(codec, "Operator.RaftRemovePeerByID", &arg, &reply); err != nil {
t.Fatalf("err: %v", err)
}
// Make sure it's not there.
{
future := s1.raft.GetConfiguration()
if err := future.Error(); err != nil {
t.Fatalf("err: %v", err)
}
configuration := future.Configuration()
if len(configuration.Servers) != 1 {
t.Fatalf("bad: %v", configuration)
}
}
}
func TestOperator_RaftRemovePeerByID_ACLDeny(t *testing.T) {
t.Parallel()
dir1, s1 := testServerWithConfig(t, func(c *Config) {
c.ACLDatacenter = "dc1"
c.ACLMasterToken = "root"
c.ACLDefaultPolicy = "deny"
c.RaftConfig.ProtocolVersion = 3
})
defer os.RemoveAll(dir1)
defer s1.Shutdown()
codec := rpcClient(t, s1)
defer codec.Close()
testrpc.WaitForLeader(t, s1.RPC, "dc1")
// Make a request with no token to make sure it gets denied.
arg := structs.RaftRemovePeerRequest{
Datacenter: "dc1",
ID: raft.ServerID(s1.config.NodeID),
}
var reply struct{}
err := msgpackrpc.CallWithCodec(codec, "Operator.RaftRemovePeerByID", &arg, &reply)
if !acl.IsErrPermissionDenied(err) {
t.Fatalf("err: %v", err)
}
// Create an ACL with operator write permissions.
var token string
{
var rules = `
operator = "write"
`
req := structs.ACLRequest{
Datacenter: "dc1",
Op: structs.ACLSet,
ACL: structs.ACL{
Name: "User token",
Type: structs.ACLTypeClient,
Rules: rules,
},
WriteRequest: structs.WriteRequest{Token: "root"},
}
if err := msgpackrpc.CallWithCodec(codec, "ACL.Apply", &req, &token); err != nil {
t.Fatalf("err: %v", err)
}
}
// Now it should kick back for being an invalid config, which means it
// tried to do the operation.
arg.Token = token
err = msgpackrpc.CallWithCodec(codec, "Operator.RaftRemovePeerByID", &arg, &reply)
if err == nil || !strings.Contains(err.Error(), "at least one voter") {
t.Fatalf("err: %v", err)
}
}