585 lines
12 KiB
Go
585 lines
12 KiB
Go
package consul
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import (
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"bytes"
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"os"
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"reflect"
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"strings"
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"testing"
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"time"
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"github.com/hashicorp/consul/api"
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"github.com/hashicorp/consul/consul/structs"
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"github.com/hashicorp/consul/testrpc"
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"github.com/hashicorp/net-rpc-msgpackrpc"
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)
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func TestTxn_CheckNotExists(t *testing.T) {
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dir1, s1 := testServer(t)
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defer os.RemoveAll(dir1)
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defer s1.Shutdown()
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codec := rpcClient(t, s1)
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defer codec.Close()
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testrpc.WaitForLeader(t, s1.RPC, "dc1")
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apply := func(arg *structs.TxnRequest) (*structs.TxnResponse, error) {
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out := new(structs.TxnResponse)
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err := msgpackrpc.CallWithCodec(codec, "Txn.Apply", arg, out)
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return out, err
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}
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checkKeyNotExists := &structs.TxnRequest{
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Datacenter: "dc1",
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Ops: structs.TxnOps{
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{
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KV: &structs.TxnKVOp{
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Verb: api.KVCheckNotExists,
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DirEnt: structs.DirEntry{Key: "test"},
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},
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},
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},
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}
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createKey := &structs.TxnRequest{
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Datacenter: "dc1",
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Ops: structs.TxnOps{
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{
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KV: &structs.TxnKVOp{
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Verb: api.KVSet,
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DirEnt: structs.DirEntry{Key: "test"},
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},
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},
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},
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}
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if _, err := apply(checkKeyNotExists); err != nil {
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t.Fatalf("testing for non-existent key failed: %s", err)
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}
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if _, err := apply(createKey); err != nil {
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t.Fatalf("creating new key failed: %s", err)
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}
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out, err := apply(checkKeyNotExists)
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if err != nil || out == nil || len(out.Errors) != 1 || out.Errors[0].Error() != `op 0: key "test" exists` {
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t.Fatalf("testing for existent key failed: %#v", out)
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}
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}
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func TestTxn_Apply(t *testing.T) {
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dir1, s1 := testServer(t)
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defer os.RemoveAll(dir1)
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defer s1.Shutdown()
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codec := rpcClient(t, s1)
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defer codec.Close()
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testrpc.WaitForLeader(t, s1.RPC, "dc1")
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// Do a super basic request. The state store test covers the details so
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// we just need to be sure that the transaction is sent correctly and
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// the results are converted appropriately.
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arg := structs.TxnRequest{
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Datacenter: "dc1",
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Ops: structs.TxnOps{
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&structs.TxnOp{
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KV: &structs.TxnKVOp{
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Verb: api.KVSet,
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DirEnt: structs.DirEntry{
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Key: "test",
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Flags: 42,
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Value: []byte("test"),
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},
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},
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},
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&structs.TxnOp{
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KV: &structs.TxnKVOp{
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Verb: api.KVGet,
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DirEnt: structs.DirEntry{
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Key: "test",
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},
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},
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},
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},
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}
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var out structs.TxnResponse
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if err := msgpackrpc.CallWithCodec(codec, "Txn.Apply", &arg, &out); err != nil {
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t.Fatalf("err: %v", err)
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}
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// Verify the state store directly.
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state := s1.fsm.State()
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_, d, err := state.KVSGet(nil, "test")
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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if d == nil {
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t.Fatalf("should not be nil")
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}
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if d.Flags != 42 ||
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!bytes.Equal(d.Value, []byte("test")) {
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t.Fatalf("bad: %v", d)
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}
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// Verify the transaction's return value.
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expected := structs.TxnResponse{
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Results: structs.TxnResults{
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&structs.TxnResult{
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KV: &structs.DirEntry{
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Key: "test",
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Flags: 42,
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Value: nil,
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RaftIndex: structs.RaftIndex{
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CreateIndex: d.CreateIndex,
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ModifyIndex: d.ModifyIndex,
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},
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},
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},
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&structs.TxnResult{
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KV: &structs.DirEntry{
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Key: "test",
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Flags: 42,
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Value: []byte("test"),
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RaftIndex: structs.RaftIndex{
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CreateIndex: d.CreateIndex,
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ModifyIndex: d.ModifyIndex,
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},
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},
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},
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},
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}
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if !reflect.DeepEqual(out, expected) {
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t.Fatalf("bad %v", out)
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}
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}
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func TestTxn_Apply_ACLDeny(t *testing.T) {
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dir1, s1 := testServerWithConfig(t, func(c *Config) {
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c.ACLDatacenter = "dc1"
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c.ACLMasterToken = "root"
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c.ACLDefaultPolicy = "deny"
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})
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defer os.RemoveAll(dir1)
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defer s1.Shutdown()
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codec := rpcClient(t, s1)
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defer codec.Close()
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testrpc.WaitForLeader(t, s1.RPC, "dc1")
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// Put in a key to read back.
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state := s1.fsm.State()
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d := &structs.DirEntry{
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Key: "nope",
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Value: []byte("hello"),
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}
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if err := state.KVSSet(1, d); err != nil {
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t.Fatalf("err: %v", err)
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}
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// Create the ACL.
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var id string
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{
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arg := structs.ACLRequest{
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Datacenter: "dc1",
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Op: structs.ACLSet,
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ACL: structs.ACL{
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Name: "User token",
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Type: structs.ACLTypeClient,
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Rules: testListRules,
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},
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WriteRequest: structs.WriteRequest{Token: "root"},
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}
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if err := msgpackrpc.CallWithCodec(codec, "ACL.Apply", &arg, &id); err != nil {
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t.Fatalf("err: %v", err)
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}
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}
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// Set up a transaction where every operation should get blocked due to
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// ACLs.
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arg := structs.TxnRequest{
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Datacenter: "dc1",
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Ops: structs.TxnOps{
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&structs.TxnOp{
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KV: &structs.TxnKVOp{
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Verb: api.KVSet,
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DirEnt: structs.DirEntry{
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Key: "nope",
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},
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},
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},
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&structs.TxnOp{
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KV: &structs.TxnKVOp{
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Verb: api.KVDelete,
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DirEnt: structs.DirEntry{
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Key: "nope",
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},
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},
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},
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&structs.TxnOp{
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KV: &structs.TxnKVOp{
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Verb: api.KVDeleteCAS,
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DirEnt: structs.DirEntry{
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Key: "nope",
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},
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},
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},
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&structs.TxnOp{
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KV: &structs.TxnKVOp{
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Verb: api.KVDeleteTree,
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DirEnt: structs.DirEntry{
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Key: "nope",
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},
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},
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},
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&structs.TxnOp{
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KV: &structs.TxnKVOp{
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Verb: api.KVCAS,
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DirEnt: structs.DirEntry{
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Key: "nope",
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},
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},
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},
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&structs.TxnOp{
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KV: &structs.TxnKVOp{
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Verb: api.KVLock,
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DirEnt: structs.DirEntry{
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Key: "nope",
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},
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},
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},
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&structs.TxnOp{
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KV: &structs.TxnKVOp{
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Verb: api.KVUnlock,
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DirEnt: structs.DirEntry{
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Key: "nope",
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},
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},
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},
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&structs.TxnOp{
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KV: &structs.TxnKVOp{
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Verb: api.KVGet,
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DirEnt: structs.DirEntry{
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Key: "nope",
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},
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},
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},
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&structs.TxnOp{
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KV: &structs.TxnKVOp{
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Verb: api.KVGetTree,
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DirEnt: structs.DirEntry{
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Key: "nope",
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},
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},
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},
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&structs.TxnOp{
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KV: &structs.TxnKVOp{
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Verb: api.KVCheckSession,
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DirEnt: structs.DirEntry{
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Key: "nope",
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},
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},
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},
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&structs.TxnOp{
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KV: &structs.TxnKVOp{
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Verb: api.KVCheckIndex,
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DirEnt: structs.DirEntry{
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Key: "nope",
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},
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},
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},
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&structs.TxnOp{
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KV: &structs.TxnKVOp{
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Verb: api.KVCheckNotExists,
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DirEnt: structs.DirEntry{
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Key: "nope",
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},
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},
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},
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},
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WriteRequest: structs.WriteRequest{
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Token: id,
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},
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}
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var out structs.TxnResponse
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if err := msgpackrpc.CallWithCodec(codec, "Txn.Apply", &arg, &out); err != nil {
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t.Fatalf("err: %v", err)
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}
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// Verify the transaction's return value.
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var expected structs.TxnResponse
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for i, op := range arg.Ops {
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switch op.KV.Verb {
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case api.KVGet, api.KVGetTree:
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// These get filtered but won't result in an error.
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default:
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expected.Errors = append(expected.Errors, &structs.TxnError{
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OpIndex: i,
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What: errPermissionDenied.Error(),
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})
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}
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}
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if !reflect.DeepEqual(out, expected) {
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t.Fatalf("bad %v", out)
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}
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}
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func TestTxn_Apply_LockDelay(t *testing.T) {
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dir1, s1 := testServer(t)
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defer os.RemoveAll(dir1)
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defer s1.Shutdown()
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codec := rpcClient(t, s1)
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defer codec.Close()
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testrpc.WaitForLeader(t, s1.RPC, "dc1")
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// Create and invalidate a session with a lock.
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state := s1.fsm.State()
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if err := state.EnsureNode(1, &structs.Node{Node: "foo", Address: "127.0.0.1"}); err != nil {
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t.Fatalf("err: %v", err)
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}
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session := &structs.Session{
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ID: generateUUID(),
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Node: "foo",
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LockDelay: 50 * time.Millisecond,
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}
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if err := state.SessionCreate(2, session); err != nil {
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t.Fatalf("err: %v", err)
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}
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id := session.ID
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d := &structs.DirEntry{
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Key: "test",
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Session: id,
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}
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if ok, err := state.KVSLock(3, d); err != nil || !ok {
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t.Fatalf("err: %v", err)
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}
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if err := state.SessionDestroy(4, id); err != nil {
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t.Fatalf("err: %v", err)
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}
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// Make a new session that is valid.
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if err := state.SessionCreate(5, session); err != nil {
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t.Fatalf("err: %v", err)
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}
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validID := session.ID
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// Make a lock request via an atomic transaction.
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arg := structs.TxnRequest{
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Datacenter: "dc1",
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Ops: structs.TxnOps{
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&structs.TxnOp{
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KV: &structs.TxnKVOp{
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Verb: api.KVLock,
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DirEnt: structs.DirEntry{
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Key: "test",
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Session: validID,
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},
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},
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},
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},
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}
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{
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var out structs.TxnResponse
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if err := msgpackrpc.CallWithCodec(codec, "Txn.Apply", &arg, &out); err != nil {
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t.Fatalf("err: %v", err)
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}
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if len(out.Results) != 0 ||
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len(out.Errors) != 1 ||
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out.Errors[0].OpIndex != 0 ||
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!strings.Contains(out.Errors[0].What, "due to lock delay") {
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t.Fatalf("bad: %v", out)
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}
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}
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// Wait for lock-delay.
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time.Sleep(50 * time.Millisecond)
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// Should acquire.
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{
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var out structs.TxnResponse
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if err := msgpackrpc.CallWithCodec(codec, "Txn.Apply", &arg, &out); err != nil {
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t.Fatalf("err: %v", err)
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}
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if len(out.Results) != 1 ||
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len(out.Errors) != 0 ||
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out.Results[0].KV.LockIndex != 2 {
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t.Fatalf("bad: %v", out)
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}
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}
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}
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func TestTxn_Read(t *testing.T) {
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dir1, s1 := testServer(t)
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defer os.RemoveAll(dir1)
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defer s1.Shutdown()
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codec := rpcClient(t, s1)
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defer codec.Close()
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testrpc.WaitForLeader(t, s1.RPC, "dc1")
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// Put in a key to read back.
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state := s1.fsm.State()
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d := &structs.DirEntry{
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Key: "test",
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Value: []byte("hello"),
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}
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if err := state.KVSSet(1, d); err != nil {
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t.Fatalf("err: %v", err)
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}
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// Do a super basic request. The state store test covers the details so
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// we just need to be sure that the transaction is sent correctly and
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// the results are converted appropriately.
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arg := structs.TxnReadRequest{
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Datacenter: "dc1",
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Ops: structs.TxnOps{
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&structs.TxnOp{
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KV: &structs.TxnKVOp{
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Verb: api.KVGet,
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DirEnt: structs.DirEntry{
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Key: "test",
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},
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},
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},
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},
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}
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var out structs.TxnReadResponse
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if err := msgpackrpc.CallWithCodec(codec, "Txn.Read", &arg, &out); err != nil {
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t.Fatalf("err: %v", err)
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}
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// Verify the transaction's return value.
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expected := structs.TxnReadResponse{
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TxnResponse: structs.TxnResponse{
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Results: structs.TxnResults{
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&structs.TxnResult{
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KV: &structs.DirEntry{
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Key: "test",
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Value: []byte("hello"),
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RaftIndex: structs.RaftIndex{
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CreateIndex: 1,
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ModifyIndex: 1,
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},
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},
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},
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},
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},
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QueryMeta: structs.QueryMeta{
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KnownLeader: true,
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},
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}
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if !reflect.DeepEqual(out, expected) {
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t.Fatalf("bad %v", out)
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}
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}
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func TestTxn_Read_ACLDeny(t *testing.T) {
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dir1, s1 := testServerWithConfig(t, func(c *Config) {
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c.ACLDatacenter = "dc1"
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c.ACLMasterToken = "root"
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c.ACLDefaultPolicy = "deny"
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})
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defer os.RemoveAll(dir1)
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defer s1.Shutdown()
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codec := rpcClient(t, s1)
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defer codec.Close()
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testrpc.WaitForLeader(t, s1.RPC, "dc1")
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// Put in a key to read back.
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state := s1.fsm.State()
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d := &structs.DirEntry{
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Key: "nope",
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Value: []byte("hello"),
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}
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if err := state.KVSSet(1, d); err != nil {
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t.Fatalf("err: %v", err)
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}
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// Create the ACL.
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var id string
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{
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arg := structs.ACLRequest{
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Datacenter: "dc1",
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Op: structs.ACLSet,
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ACL: structs.ACL{
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Name: "User token",
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Type: structs.ACLTypeClient,
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Rules: testListRules,
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},
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WriteRequest: structs.WriteRequest{Token: "root"},
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}
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if err := msgpackrpc.CallWithCodec(codec, "ACL.Apply", &arg, &id); err != nil {
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t.Fatalf("err: %v", err)
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}
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}
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|
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// Set up a transaction where every operation should get blocked due to
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// ACLs.
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arg := structs.TxnReadRequest{
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Datacenter: "dc1",
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Ops: structs.TxnOps{
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&structs.TxnOp{
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KV: &structs.TxnKVOp{
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Verb: api.KVGet,
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DirEnt: structs.DirEntry{
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Key: "nope",
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},
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},
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},
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&structs.TxnOp{
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KV: &structs.TxnKVOp{
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Verb: api.KVGetTree,
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DirEnt: structs.DirEntry{
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Key: "nope",
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},
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},
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},
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&structs.TxnOp{
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KV: &structs.TxnKVOp{
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Verb: api.KVCheckSession,
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DirEnt: structs.DirEntry{
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Key: "nope",
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},
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},
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},
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&structs.TxnOp{
|
|
KV: &structs.TxnKVOp{
|
|
Verb: api.KVCheckIndex,
|
|
DirEnt: structs.DirEntry{
|
|
Key: "nope",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
QueryOptions: structs.QueryOptions{
|
|
Token: id,
|
|
},
|
|
}
|
|
var out structs.TxnReadResponse
|
|
if err := msgpackrpc.CallWithCodec(codec, "Txn.Read", &arg, &out); err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
// Verify the transaction's return value.
|
|
expected := structs.TxnReadResponse{
|
|
QueryMeta: structs.QueryMeta{
|
|
KnownLeader: true,
|
|
},
|
|
}
|
|
for i, op := range arg.Ops {
|
|
switch op.KV.Verb {
|
|
case api.KVGet, api.KVGetTree:
|
|
// These get filtered but won't result in an error.
|
|
|
|
default:
|
|
expected.Errors = append(expected.Errors, &structs.TxnError{
|
|
OpIndex: i,
|
|
What: errPermissionDenied.Error(),
|
|
})
|
|
}
|
|
}
|
|
if !reflect.DeepEqual(out, expected) {
|
|
t.Fatalf("bad %v", out)
|
|
}
|
|
}
|