open-consul/agent/consul/state/txn_test.go

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package state
import (
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"fmt"
"strings"
"testing"
"github.com/hashicorp/consul/agent/structs"
"github.com/hashicorp/consul/api"
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"github.com/hashicorp/consul/types"
"github.com/stretchr/testify/require"
)
func TestStateStore_Txn_Intention(t *testing.T) {
s := testStateStore(t)
// Create some intentions.
ixn1 := &structs.Intention{
ID: testUUID(),
SourceNS: "default",
SourceName: "web",
DestinationNS: "default",
DestinationName: "db",
Meta: map[string]string{},
}
ixn2 := &structs.Intention{
ID: testUUID(),
SourceNS: "default",
SourceName: "db",
DestinationNS: "default",
DestinationName: "*",
Action: structs.IntentionActionDeny,
Meta: map[string]string{},
}
ixn3 := &structs.Intention{
ID: testUUID(),
SourceNS: "default",
SourceName: "foo",
DestinationNS: "default",
DestinationName: "*",
Meta: map[string]string{},
}
// Write the first two to the state store, leave the third
// to be created by the transaction operation.
require.NoError(t, s.IntentionSet(1, ixn1))
require.NoError(t, s.IntentionSet(2, ixn2))
// Set up a transaction that hits every operation.
ops := structs.TxnOps{
&structs.TxnOp{
Intention: &structs.TxnIntentionOp{
Op: structs.IntentionOpUpdate,
Intention: ixn1,
},
},
&structs.TxnOp{
Intention: &structs.TxnIntentionOp{
Op: structs.IntentionOpDelete,
Intention: ixn2,
},
},
&structs.TxnOp{
Intention: &structs.TxnIntentionOp{
Op: structs.IntentionOpCreate,
Intention: ixn3,
},
},
}
results, errors := s.TxnRW(3, ops)
if len(errors) > 0 {
t.Fatalf("err: %v", errors)
}
// Make sure the response looks as expected.
expected := structs.TxnResults{}
require.Equal(t, expected, results)
// Pull the resulting state store contents.
idx, actual, err := s.Intentions(nil)
require.NoError(t, err)
require.Equal(t, uint64(3), idx, "wrong index")
// Make sure it looks as expected.
intentions := structs.Intentions{
&structs.Intention{
ID: ixn1.ID,
SourceNS: "default",
SourceName: "web",
DestinationNS: "default",
DestinationName: "db",
Meta: map[string]string{},
Precedence: 9,
RaftIndex: structs.RaftIndex{
CreateIndex: 1,
ModifyIndex: 3,
},
},
&structs.Intention{
ID: ixn3.ID,
SourceNS: "default",
SourceName: "foo",
DestinationNS: "default",
DestinationName: "*",
Meta: map[string]string{},
Precedence: 6,
RaftIndex: structs.RaftIndex{
CreateIndex: 3,
ModifyIndex: 3,
},
},
}
require.Equal(t, intentions, actual)
}
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func TestStateStore_Txn_Node(t *testing.T) {
s := testStateStore(t)
// Create some nodes.
var nodes [5]structs.Node
for i := 0; i < len(nodes); i++ {
nodes[i] = structs.Node{
Node: fmt.Sprintf("node%d", i+1),
ID: types.NodeID(testUUID()),
}
// Leave node5 to be created by an operation.
if i < 5 {
s.EnsureNode(uint64(i+1), &nodes[i])
}
}
// Set up a transaction that hits every operation.
ops := structs.TxnOps{
&structs.TxnOp{
Node: &structs.TxnNodeOp{
Verb: api.NodeGet,
Node: nodes[0],
},
},
&structs.TxnOp{
Node: &structs.TxnNodeOp{
Verb: api.NodeSet,
Node: nodes[4],
},
},
&structs.TxnOp{
Node: &structs.TxnNodeOp{
Verb: api.NodeCAS,
Node: structs.Node{
Node: "node2",
ID: nodes[1].ID,
Datacenter: "dc2",
RaftIndex: structs.RaftIndex{ModifyIndex: 2},
},
},
},
&structs.TxnOp{
Node: &structs.TxnNodeOp{
Verb: api.NodeDelete,
Node: structs.Node{Node: "node3"},
},
},
&structs.TxnOp{
Node: &structs.TxnNodeOp{
Verb: api.NodeDeleteCAS,
Node: structs.Node{
Node: "node4",
RaftIndex: structs.RaftIndex{ModifyIndex: 4},
},
},
},
}
results, errors := s.TxnRW(8, ops)
if len(errors) > 0 {
t.Fatalf("err: %v", errors)
}
// Make sure the response looks as expected.
nodes[1].Datacenter = "dc2"
nodes[1].ModifyIndex = 8
expected := structs.TxnResults{
&structs.TxnResult{
Node: &nodes[0],
},
&structs.TxnResult{
Node: &nodes[4],
},
&structs.TxnResult{
Node: &nodes[1],
},
}
require.Equal(t, expected, results)
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// Pull the resulting state store contents.
idx, actual, err := s.Nodes(nil)
require.NoError(t, err)
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if idx != 8 {
t.Fatalf("bad index: %d", idx)
}
// Make sure it looks as expected.
expectedNodes := structs.Nodes{&nodes[0], &nodes[1], &nodes[4]}
require.Equal(t, expectedNodes, actual)
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}
func TestStateStore_Txn_Service(t *testing.T) {
s := testStateStore(t)
testRegisterNode(t, s, 1, "node1")
// Create some services.
for i := 1; i <= 4; i++ {
testRegisterService(t, s, uint64(i+1), "node1", fmt.Sprintf("svc%d", i))
}
// Set up a transaction that hits every operation.
ops := structs.TxnOps{
&structs.TxnOp{
Service: &structs.TxnServiceOp{
Verb: api.ServiceGet,
Node: "node1",
Service: structs.NodeService{ID: "svc1"},
},
},
&structs.TxnOp{
Service: &structs.TxnServiceOp{
Verb: api.ServiceSet,
Node: "node1",
Service: structs.NodeService{ID: "svc5"},
},
},
&structs.TxnOp{
Service: &structs.TxnServiceOp{
Verb: api.ServiceCAS,
Node: "node1",
Service: structs.NodeService{
ID: "svc2",
Tags: []string{"modified"},
RaftIndex: structs.RaftIndex{ModifyIndex: 3},
},
},
},
&structs.TxnOp{
Service: &structs.TxnServiceOp{
Verb: api.ServiceDelete,
Node: "node1",
Service: structs.NodeService{ID: "svc3"},
},
},
&structs.TxnOp{
Service: &structs.TxnServiceOp{
Verb: api.ServiceDeleteCAS,
Node: "node1",
Service: structs.NodeService{
ID: "svc4",
RaftIndex: structs.RaftIndex{ModifyIndex: 5},
},
},
},
}
results, errors := s.TxnRW(6, ops)
if len(errors) > 0 {
t.Fatalf("err: %v", errors)
}
// Make sure the response looks as expected.
expected := structs.TxnResults{
&structs.TxnResult{
Service: &structs.NodeService{
ID: "svc1",
Service: "svc1",
Address: "1.1.1.1",
Port: 1111,
Weights: &structs.Weights{Passing: 1, Warning: 1},
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RaftIndex: structs.RaftIndex{
CreateIndex: 2,
ModifyIndex: 2,
},
EnterpriseMeta: *structs.DefaultEnterpriseMeta(),
Meta: map[string]string{},
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},
},
&structs.TxnResult{
Service: &structs.NodeService{
ID: "svc5",
Weights: &structs.Weights{Passing: 1, Warning: 1},
RaftIndex: structs.RaftIndex{
CreateIndex: 6,
ModifyIndex: 6,
},
EnterpriseMeta: *structs.DefaultEnterpriseMeta(),
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},
},
&structs.TxnResult{
Service: &structs.NodeService{
ID: "svc2",
Tags: []string{"modified"},
Weights: &structs.Weights{Passing: 1, Warning: 1},
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RaftIndex: structs.RaftIndex{
CreateIndex: 3,
ModifyIndex: 6,
},
EnterpriseMeta: *structs.DefaultEnterpriseMeta(),
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},
},
}
require.Equal(t, expected, results)
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// Pull the resulting state store contents.
idx, actual, err := s.NodeServices(nil, "node1", nil)
require.NoError(t, err)
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if idx != 6 {
t.Fatalf("bad index: %d", idx)
}
// Make sure it looks as expected.
expectedServices := &structs.NodeServices{
Node: &structs.Node{
Node: "node1",
RaftIndex: structs.RaftIndex{
CreateIndex: 1,
ModifyIndex: 1,
},
},
Services: map[string]*structs.NodeService{
"svc1": &structs.NodeService{
ID: "svc1",
Service: "svc1",
Address: "1.1.1.1",
Port: 1111,
RaftIndex: structs.RaftIndex{
CreateIndex: 2,
ModifyIndex: 2,
},
Weights: &structs.Weights{Passing: 1, Warning: 1},
EnterpriseMeta: *structs.DefaultEnterpriseMeta(),
Meta: map[string]string{},
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},
"svc5": &structs.NodeService{
ID: "svc5",
RaftIndex: structs.RaftIndex{
CreateIndex: 6,
ModifyIndex: 6,
},
Weights: &structs.Weights{Passing: 1, Warning: 1},
EnterpriseMeta: *structs.DefaultEnterpriseMeta(),
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},
"svc2": &structs.NodeService{
ID: "svc2",
Tags: []string{"modified"},
RaftIndex: structs.RaftIndex{
CreateIndex: 3,
ModifyIndex: 6,
},
Weights: &structs.Weights{Passing: 1, Warning: 1},
EnterpriseMeta: *structs.DefaultEnterpriseMeta(),
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},
},
}
require.Equal(t, expectedServices, actual)
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}
func TestStateStore_Txn_Checks(t *testing.T) {
s := testStateStore(t)
testRegisterNode(t, s, 1, "node1")
// Create some checks.
for i := 1; i <= 4; i++ {
testRegisterCheck(t, s, uint64(i+1), "node1", "", types.CheckID(fmt.Sprintf("check%d", i)), "failing")
}
// Set up a transaction that hits every operation.
ops := structs.TxnOps{
&structs.TxnOp{
Check: &structs.TxnCheckOp{
Verb: api.CheckGet,
Check: structs.HealthCheck{Node: "node1", CheckID: "check1"},
},
},
&structs.TxnOp{
Check: &structs.TxnCheckOp{
Verb: api.CheckSet,
Check: structs.HealthCheck{Node: "node1", CheckID: "check5", Status: "passing"},
},
},
&structs.TxnOp{
Check: &structs.TxnCheckOp{
Verb: api.CheckCAS,
Check: structs.HealthCheck{
Node: "node1",
CheckID: "check2",
Status: "warning",
RaftIndex: structs.RaftIndex{ModifyIndex: 3},
},
},
},
&structs.TxnOp{
Check: &structs.TxnCheckOp{
Verb: api.CheckDelete,
Check: structs.HealthCheck{Node: "node1", CheckID: "check3"},
},
},
&structs.TxnOp{
Check: &structs.TxnCheckOp{
Verb: api.CheckDeleteCAS,
Check: structs.HealthCheck{
Node: "node1",
CheckID: "check4",
RaftIndex: structs.RaftIndex{ModifyIndex: 5},
},
},
},
}
results, errors := s.TxnRW(6, ops)
if len(errors) > 0 {
t.Fatalf("err: %v", errors)
}
// Make sure the response looks as expected.
expected := structs.TxnResults{
&structs.TxnResult{
Check: &structs.HealthCheck{
Node: "node1",
CheckID: "check1",
Status: "failing",
RaftIndex: structs.RaftIndex{
CreateIndex: 2,
ModifyIndex: 2,
},
EnterpriseMeta: *structs.DefaultEnterpriseMeta(),
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},
},
&structs.TxnResult{
Check: &structs.HealthCheck{
Node: "node1",
CheckID: "check5",
Status: "passing",
RaftIndex: structs.RaftIndex{
CreateIndex: 6,
ModifyIndex: 6,
},
EnterpriseMeta: *structs.DefaultEnterpriseMeta(),
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},
},
&structs.TxnResult{
Check: &structs.HealthCheck{
Node: "node1",
CheckID: "check2",
Status: "warning",
RaftIndex: structs.RaftIndex{
CreateIndex: 3,
ModifyIndex: 6,
},
EnterpriseMeta: *structs.DefaultEnterpriseMeta(),
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},
},
}
require.Equal(t, expected, results)
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// Pull the resulting state store contents.
idx, actual, err := s.NodeChecks(nil, "node1", nil)
require.NoError(t, err)
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if idx != 6 {
t.Fatalf("bad index: %d", idx)
}
// Make sure it looks as expected.
expectedChecks := structs.HealthChecks{
&structs.HealthCheck{
Node: "node1",
CheckID: "check1",
Status: "failing",
RaftIndex: structs.RaftIndex{
CreateIndex: 2,
ModifyIndex: 2,
},
EnterpriseMeta: *structs.DefaultEnterpriseMeta(),
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},
&structs.HealthCheck{
Node: "node1",
CheckID: "check2",
Status: "warning",
RaftIndex: structs.RaftIndex{
CreateIndex: 3,
ModifyIndex: 6,
},
EnterpriseMeta: *structs.DefaultEnterpriseMeta(),
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},
&structs.HealthCheck{
Node: "node1",
CheckID: "check5",
Status: "passing",
RaftIndex: structs.RaftIndex{
CreateIndex: 6,
ModifyIndex: 6,
},
EnterpriseMeta: *structs.DefaultEnterpriseMeta(),
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},
}
require.Equal(t, expectedChecks, actual)
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}
func TestStateStore_Txn_KVS(t *testing.T) {
s := testStateStore(t)
// Create KV entries in the state store.
testSetKey(t, s, 1, "foo/delete", "bar", nil)
testSetKey(t, s, 2, "foo/bar/baz", "baz", nil)
testSetKey(t, s, 3, "foo/bar/zip", "zip", nil)
testSetKey(t, s, 4, "foo/zorp", "zorp", nil)
testSetKey(t, s, 5, "foo/update", "stale", nil)
// Make a real session.
testRegisterNode(t, s, 6, "node1")
session := testUUID()
if err := s.SessionCreate(7, &structs.Session{ID: session, Node: "node1"}); err != nil {
t.Fatalf("err: %s", err)
}
// Set up a transaction that hits every operation.
ops := structs.TxnOps{
&structs.TxnOp{
KV: &structs.TxnKVOp{
Verb: api.KVGetTree,
DirEnt: structs.DirEntry{
Key: "foo/bar",
},
},
},
&structs.TxnOp{
KV: &structs.TxnKVOp{
Verb: api.KVSet,
DirEnt: structs.DirEntry{
Key: "foo/new",
Value: []byte("one"),
},
},
},
&structs.TxnOp{
KV: &structs.TxnKVOp{
Verb: api.KVDelete,
DirEnt: structs.DirEntry{
Key: "foo/zorp",
},
},
},
&structs.TxnOp{
KV: &structs.TxnKVOp{
Verb: api.KVDeleteCAS,
DirEnt: structs.DirEntry{
Key: "foo/delete",
RaftIndex: structs.RaftIndex{
ModifyIndex: 1,
},
},
},
},
&structs.TxnOp{
KV: &structs.TxnKVOp{
Verb: api.KVDeleteTree,
DirEnt: structs.DirEntry{
Key: "foo/bar",
},
},
},
&structs.TxnOp{
KV: &structs.TxnKVOp{
Verb: api.KVGet,
DirEnt: structs.DirEntry{
Key: "foo/update",
},
},
},
&structs.TxnOp{
KV: &structs.TxnKVOp{
Verb: api.KVCheckIndex,
DirEnt: structs.DirEntry{
Key: "foo/update",
RaftIndex: structs.RaftIndex{
ModifyIndex: 5,
},
},
},
},
&structs.TxnOp{
KV: &structs.TxnKVOp{
Verb: api.KVCAS,
DirEnt: structs.DirEntry{
Key: "foo/update",
Value: []byte("new"),
RaftIndex: structs.RaftIndex{
ModifyIndex: 5,
},
},
},
},
&structs.TxnOp{
KV: &structs.TxnKVOp{
Verb: api.KVGet,
DirEnt: structs.DirEntry{
Key: "foo/update",
},
},
},
&structs.TxnOp{
KV: &structs.TxnKVOp{
Verb: api.KVCheckIndex,
DirEnt: structs.DirEntry{
Key: "foo/update",
RaftIndex: structs.RaftIndex{
ModifyIndex: 8,
},
},
},
},
&structs.TxnOp{
KV: &structs.TxnKVOp{
Verb: api.KVLock,
DirEnt: structs.DirEntry{
Key: "foo/lock",
Session: session,
},
},
},
&structs.TxnOp{
KV: &structs.TxnKVOp{
Verb: api.KVCheckSession,
DirEnt: structs.DirEntry{
Key: "foo/lock",
Session: session,
},
},
},
&structs.TxnOp{
KV: &structs.TxnKVOp{
Verb: api.KVUnlock,
DirEnt: structs.DirEntry{
Key: "foo/lock",
Session: session,
},
},
},
&structs.TxnOp{
KV: &structs.TxnKVOp{
Verb: api.KVCheckSession,
DirEnt: structs.DirEntry{
Key: "foo/lock",
Session: "",
},
},
},
}
results, errors := s.TxnRW(8, ops)
if len(errors) > 0 {
t.Fatalf("err: %v", errors)
}
// Make sure the response looks as expected.
expected := structs.TxnResults{
&structs.TxnResult{
KV: &structs.DirEntry{
Key: "foo/bar/baz",
Value: []byte("baz"),
RaftIndex: structs.RaftIndex{
CreateIndex: 2,
ModifyIndex: 2,
},
},
},
&structs.TxnResult{
KV: &structs.DirEntry{
Key: "foo/bar/zip",
Value: []byte("zip"),
RaftIndex: structs.RaftIndex{
CreateIndex: 3,
ModifyIndex: 3,
},
},
},
&structs.TxnResult{
KV: &structs.DirEntry{
Key: "foo/new",
RaftIndex: structs.RaftIndex{
CreateIndex: 8,
ModifyIndex: 8,
},
},
},
&structs.TxnResult{
KV: &structs.DirEntry{
Key: "foo/update",
Value: []byte("stale"),
RaftIndex: structs.RaftIndex{
CreateIndex: 5,
ModifyIndex: 5,
},
},
},
&structs.TxnResult{
KV: &structs.DirEntry{
Key: "foo/update",
RaftIndex: structs.RaftIndex{
CreateIndex: 5,
ModifyIndex: 5,
},
},
},
&structs.TxnResult{
KV: &structs.DirEntry{
Key: "foo/update",
RaftIndex: structs.RaftIndex{
CreateIndex: 5,
ModifyIndex: 8,
},
},
},
&structs.TxnResult{
KV: &structs.DirEntry{
Key: "foo/update",
Value: []byte("new"),
RaftIndex: structs.RaftIndex{
CreateIndex: 5,
ModifyIndex: 8,
},
},
},
&structs.TxnResult{
KV: &structs.DirEntry{
Key: "foo/update",
RaftIndex: structs.RaftIndex{
CreateIndex: 5,
ModifyIndex: 8,
},
},
},
&structs.TxnResult{
KV: &structs.DirEntry{
Key: "foo/lock",
Session: session,
LockIndex: 1,
RaftIndex: structs.RaftIndex{
CreateIndex: 8,
ModifyIndex: 8,
},
},
},
&structs.TxnResult{
KV: &structs.DirEntry{
Key: "foo/lock",
Session: session,
LockIndex: 1,
RaftIndex: structs.RaftIndex{
CreateIndex: 8,
ModifyIndex: 8,
},
},
},
&structs.TxnResult{
KV: &structs.DirEntry{
Key: "foo/lock",
LockIndex: 1,
RaftIndex: structs.RaftIndex{
CreateIndex: 8,
ModifyIndex: 8,
},
},
},
&structs.TxnResult{
KV: &structs.DirEntry{
Key: "foo/lock",
LockIndex: 1,
RaftIndex: structs.RaftIndex{
CreateIndex: 8,
ModifyIndex: 8,
},
},
},
}
if len(results) != len(expected) {
t.Fatalf("bad: %v", results)
}
for i, e := range expected {
if e.KV.Key != results[i].KV.Key {
t.Fatalf("expected key %s, got %s", e.KV.Key, results[i].KV.Key)
}
if e.KV.LockIndex != results[i].KV.LockIndex {
t.Fatalf("expected lock index %d, got %d", e.KV.LockIndex, results[i].KV.LockIndex)
}
if e.KV.CreateIndex != results[i].KV.CreateIndex {
t.Fatalf("expected create index %d, got %d", e.KV.CreateIndex, results[i].KV.CreateIndex)
}
if e.KV.ModifyIndex != results[i].KV.ModifyIndex {
t.Fatalf("expected modify index %d, got %d", e.KV.ModifyIndex, results[i].KV.ModifyIndex)
}
}
// Pull the resulting state store contents.
idx, actual, err := s.KVSList(nil, "", nil)
if err != nil {
t.Fatalf("err: %s", err)
}
if idx != 8 {
t.Fatalf("bad index: %d", idx)
}
// Make sure it looks as expected.
entries := structs.DirEntries{
&structs.DirEntry{
Key: "foo/lock",
LockIndex: 1,
RaftIndex: structs.RaftIndex{
CreateIndex: 8,
ModifyIndex: 8,
},
},
&structs.DirEntry{
Key: "foo/new",
Value: []byte("one"),
RaftIndex: structs.RaftIndex{
CreateIndex: 8,
ModifyIndex: 8,
},
},
&structs.DirEntry{
Key: "foo/update",
Value: []byte("new"),
RaftIndex: structs.RaftIndex{
CreateIndex: 5,
ModifyIndex: 8,
},
},
}
if len(actual) != len(entries) {
t.Fatalf("bad len: %d != %d", len(actual), len(entries))
}
for i, e := range entries {
if e.Key != actual[i].Key {
t.Fatalf("expected key %s, got %s", e.Key, actual[i].Key)
}
if string(e.Value) != string(actual[i].Value) {
t.Fatalf("expected value %s, got %s", e.Value, actual[i].Value)
}
if e.LockIndex != actual[i].LockIndex {
t.Fatalf("expected lock index %d, got %d", e.LockIndex, actual[i].LockIndex)
}
if e.CreateIndex != actual[i].CreateIndex {
t.Fatalf("expected create index %d, got %d", e.CreateIndex, actual[i].CreateIndex)
}
if e.ModifyIndex != actual[i].ModifyIndex {
t.Fatalf("expected modify index %d, got %d", e.ModifyIndex, actual[i].ModifyIndex)
}
}
}
func TestStateStore_Txn_KVS_Rollback(t *testing.T) {
s := testStateStore(t)
// Create KV entries in the state store.
testSetKey(t, s, 1, "foo/delete", "bar", nil)
testSetKey(t, s, 2, "foo/update", "stale", nil)
testRegisterNode(t, s, 3, "node1")
session := testUUID()
if err := s.SessionCreate(4, &structs.Session{ID: session, Node: "node1"}); err != nil {
t.Fatalf("err: %s", err)
}
ok, err := s.KVSLock(5, &structs.DirEntry{Key: "foo/lock", Value: []byte("foo"), Session: session})
if !ok || err != nil {
t.Fatalf("didn't get the lock: %v %s", ok, err)
}
bogus := testUUID()
if err := s.SessionCreate(6, &structs.Session{ID: bogus, Node: "node1"}); err != nil {
t.Fatalf("err: %s", err)
}
// This function verifies that the state store wasn't changed.
verifyStateStore := func(desc string) {
idx, actual, err := s.KVSList(nil, "", nil)
if err != nil {
t.Fatalf("err (%s): %s", desc, err)
}
if idx != 5 {
t.Fatalf("bad index (%s): %d", desc, idx)
}
// Make sure it looks as expected.
entries := structs.DirEntries{
&structs.DirEntry{
Key: "foo/delete",
Value: []byte("bar"),
RaftIndex: structs.RaftIndex{
CreateIndex: 1,
ModifyIndex: 1,
},
},
&structs.DirEntry{
Key: "foo/lock",
Value: []byte("foo"),
LockIndex: 1,
Session: session,
RaftIndex: structs.RaftIndex{
CreateIndex: 5,
ModifyIndex: 5,
},
},
&structs.DirEntry{
Key: "foo/update",
Value: []byte("stale"),
RaftIndex: structs.RaftIndex{
CreateIndex: 2,
ModifyIndex: 2,
},
},
}
if len(actual) != len(entries) {
t.Fatalf("bad len (%s): %d != %d", desc, len(actual), len(entries))
}
for i, e := range entries {
if e.Key != actual[i].Key {
t.Fatalf("expected key %s, got %s", e.Key, actual[i].Key)
}
if string(e.Value) != string(actual[i].Value) {
t.Fatalf("expected value %s, got %s", e.Value, actual[i].Value)
}
if e.LockIndex != actual[i].LockIndex {
t.Fatalf("expected lock index %d, got %d", e.LockIndex, actual[i].LockIndex)
}
if e.CreateIndex != actual[i].CreateIndex {
t.Fatalf("expected create index %d, got %d", e.CreateIndex, actual[i].CreateIndex)
}
if e.ModifyIndex != actual[i].ModifyIndex {
t.Fatalf("expected modify index %d, got %d", e.ModifyIndex, actual[i].ModifyIndex)
}
}
}
verifyStateStore("initial")
// Set up a transaction that fails every operation.
ops := structs.TxnOps{
&structs.TxnOp{
KV: &structs.TxnKVOp{
Verb: api.KVCAS,
DirEnt: structs.DirEntry{
Key: "foo/update",
Value: []byte("new"),
RaftIndex: structs.RaftIndex{
ModifyIndex: 1,
},
},
},
},
&structs.TxnOp{
KV: &structs.TxnKVOp{
Verb: api.KVLock,
DirEnt: structs.DirEntry{
Key: "foo/lock",
Session: bogus,
},
},
},
&structs.TxnOp{
KV: &structs.TxnKVOp{
Verb: api.KVUnlock,
DirEnt: structs.DirEntry{
Key: "foo/lock",
Session: bogus,
},
},
},
&structs.TxnOp{
KV: &structs.TxnKVOp{
Verb: api.KVCheckSession,
DirEnt: structs.DirEntry{
Key: "foo/lock",
Session: bogus,
},
},
},
&structs.TxnOp{
KV: &structs.TxnKVOp{
Verb: api.KVGet,
DirEnt: structs.DirEntry{
Key: "nope",
},
},
},
&structs.TxnOp{
KV: &structs.TxnKVOp{
Verb: api.KVCheckSession,
DirEnt: structs.DirEntry{
Key: "nope",
Session: bogus,
},
},
},
&structs.TxnOp{
KV: &structs.TxnKVOp{
Verb: api.KVCheckIndex,
DirEnt: structs.DirEntry{
Key: "foo/lock",
RaftIndex: structs.RaftIndex{
ModifyIndex: 6,
},
},
},
},
&structs.TxnOp{
KV: &structs.TxnKVOp{
Verb: api.KVCheckIndex,
DirEnt: structs.DirEntry{
Key: "nope",
RaftIndex: structs.RaftIndex{
ModifyIndex: 6,
},
},
},
},
&structs.TxnOp{
KV: &structs.TxnKVOp{
Verb: "nope",
DirEnt: structs.DirEntry{
Key: "foo/delete",
},
},
},
}
results, errors := s.TxnRW(7, ops)
if len(errors) != len(ops) {
t.Fatalf("bad len: %d != %d", len(errors), len(ops))
}
if len(results) != 0 {
t.Fatalf("bad len: %d != 0", len(results))
}
verifyStateStore("after")
// Make sure the errors look reasonable.
expected := []string{
"index is stale",
"lock is already held",
"lock isn't held, or is held by another session",
"current session",
`key "nope" doesn't exist`,
`key "nope" doesn't exist`,
"current modify index",
`key "nope" doesn't exist`,
"unknown KV verb",
}
if len(errors) != len(expected) {
t.Fatalf("bad len: %d != %d", len(errors), len(expected))
}
for i, msg := range expected {
if errors[i].OpIndex != i {
t.Fatalf("bad index: %d != %d", i, errors[i].OpIndex)
}
if !strings.Contains(errors[i].Error(), msg) {
t.Fatalf("bad %d: %v", i, errors[i].Error())
}
}
}
func TestStateStore_Txn_KVS_RO(t *testing.T) {
s := testStateStore(t)
// Create KV entries in the state store.
testSetKey(t, s, 1, "foo", "bar", nil)
testSetKey(t, s, 2, "foo/bar/baz", "baz", nil)
testSetKey(t, s, 3, "foo/bar/zip", "zip", nil)
// Set up a transaction that hits all the read-only operations.
ops := structs.TxnOps{
&structs.TxnOp{
KV: &structs.TxnKVOp{
Verb: api.KVGetTree,
DirEnt: structs.DirEntry{
Key: "foo/bar",
},
},
},
&structs.TxnOp{
KV: &structs.TxnKVOp{
Verb: api.KVGet,
DirEnt: structs.DirEntry{
Key: "foo",
},
},
},
&structs.TxnOp{
KV: &structs.TxnKVOp{
Verb: api.KVCheckSession,
DirEnt: structs.DirEntry{
Key: "foo/bar/baz",
Session: "",
},
},
},
&structs.TxnOp{
KV: &structs.TxnKVOp{
Verb: api.KVCheckSession,
DirEnt: structs.DirEntry{
Key: "foo/bar/zip",
RaftIndex: structs.RaftIndex{
ModifyIndex: 3,
},
},
},
},
}
results, errors := s.TxnRO(ops)
if len(errors) > 0 {
t.Fatalf("err: %v", errors)
}
// Make sure the response looks as expected.
expected := structs.TxnResults{
&structs.TxnResult{
KV: &structs.DirEntry{
Key: "foo/bar/baz",
Value: []byte("baz"),
RaftIndex: structs.RaftIndex{
CreateIndex: 2,
ModifyIndex: 2,
},
},
},
&structs.TxnResult{
KV: &structs.DirEntry{
Key: "foo/bar/zip",
Value: []byte("zip"),
RaftIndex: structs.RaftIndex{
CreateIndex: 3,
ModifyIndex: 3,
},
},
},
&structs.TxnResult{
KV: &structs.DirEntry{
Key: "foo",
Value: []byte("bar"),
RaftIndex: structs.RaftIndex{
CreateIndex: 1,
ModifyIndex: 1,
},
},
},
&structs.TxnResult{
KV: &structs.DirEntry{
Key: "foo/bar/baz",
RaftIndex: structs.RaftIndex{
CreateIndex: 2,
ModifyIndex: 2,
},
},
},
&structs.TxnResult{
KV: &structs.DirEntry{
Key: "foo/bar/zip",
RaftIndex: structs.RaftIndex{
CreateIndex: 3,
ModifyIndex: 3,
},
},
},
}
if len(results) != len(expected) {
t.Fatalf("bad: %v", results)
}
for i, e := range expected {
if e.KV.Key != results[i].KV.Key {
t.Fatalf("expected key %s, got %s", e.KV.Key, results[i].KV.Key)
}
if e.KV.LockIndex != results[i].KV.LockIndex {
t.Fatalf("expected lock index %d, got %d", e.KV.LockIndex, results[i].KV.LockIndex)
}
if e.KV.CreateIndex != results[i].KV.CreateIndex {
t.Fatalf("expected create index %d, got %d", e.KV.CreateIndex, results[i].KV.CreateIndex)
}
if e.KV.ModifyIndex != results[i].KV.ModifyIndex {
t.Fatalf("expected modify index %d, got %d", e.KV.ModifyIndex, results[i].KV.ModifyIndex)
}
}
}
func TestStateStore_Txn_KVS_RO_Safety(t *testing.T) {
s := testStateStore(t)
// Create KV entries in the state store.
testSetKey(t, s, 1, "foo", "bar", nil)
testSetKey(t, s, 2, "foo/bar/baz", "baz", nil)
testSetKey(t, s, 3, "foo/bar/zip", "zip", nil)
// Set up a transaction that hits all the read-only operations.
ops := structs.TxnOps{
&structs.TxnOp{
KV: &structs.TxnKVOp{
Verb: api.KVSet,
DirEnt: structs.DirEntry{
Key: "foo",
Value: []byte("nope"),
},
},
},
&structs.TxnOp{
KV: &structs.TxnKVOp{
Verb: api.KVDelete,
DirEnt: structs.DirEntry{
Key: "foo/bar/baz",
},
},
},
&structs.TxnOp{
KV: &structs.TxnKVOp{
Verb: api.KVDeleteTree,
DirEnt: structs.DirEntry{
Key: "foo/bar",
},
},
},
}
results, errors := s.TxnRO(ops)
if len(results) > 0 {
t.Fatalf("bad: %v", results)
}
if len(errors) != len(ops) {
t.Fatalf("bad len: %d != %d", len(errors), len(ops))
}
// Make sure the errors look reasonable (tombstone inserts cause the
// insert errors during the delete operations).
expected := []string{
"cannot insert in read-only transaction",
"cannot insert in read-only transaction",
"failed recursive deleting kvs entry",
}
if len(errors) != len(expected) {
t.Fatalf("bad len: %d != %d", len(errors), len(expected))
}
for i, msg := range expected {
if errors[i].OpIndex != i {
t.Fatalf("bad index: %d != %d", i, errors[i].OpIndex)
}
if !strings.Contains(errors[i].Error(), msg) {
t.Fatalf("bad %d: %v", i, errors[i].Error())
}
}
}
func TestStateStore_Txn_KVS_ModifyIndexes(t *testing.T) {
s := testStateStore(t)
// Create KV entries in the state store.
testSetKey(t, s, 1, "foo/a", "bar", nil)
testSetKey(t, s, 2, "foo/b", "bar", nil)
// Set up a transaction that actually changes `a`,
// but passes original value for `b`.
ops := structs.TxnOps{
&structs.TxnOp{
KV: &structs.TxnKVOp{
Verb: api.KVCAS,
DirEnt: structs.DirEntry{
Key: "foo/a",
Value: []byte("new"),
RaftIndex: structs.RaftIndex{
ModifyIndex: 1,
},
},
},
},
&structs.TxnOp{
KV: &structs.TxnKVOp{
Verb: api.KVCAS,
DirEnt: structs.DirEntry{
Key: "foo/b",
Value: []byte("bar"),
RaftIndex: structs.RaftIndex{
ModifyIndex: 2,
},
},
},
},
}
results, errors := s.TxnRW(3, ops)
if len(errors) > 0 {
t.Fatalf("err: %v", errors)
}
// Make sure the response looks as expected.
expected := structs.TxnResults{
&structs.TxnResult{
KV: &structs.DirEntry{
Key: "foo/a",
RaftIndex: structs.RaftIndex{
CreateIndex: 1,
ModifyIndex: 3,
},
},
},
&structs.TxnResult{
KV: &structs.DirEntry{
Key: "foo/b",
RaftIndex: structs.RaftIndex{
CreateIndex: 2,
ModifyIndex: 2,
},
},
},
}
if len(results) != len(expected) {
t.Fatalf("bad: %v", results)
}
for i, e := range expected {
if e.KV.Key != results[i].KV.Key {
t.Fatalf("expected key %s, got %s", e.KV.Key, results[i].KV.Key)
}
if e.KV.LockIndex != results[i].KV.LockIndex {
t.Fatalf("expected lock index %d, got %d", e.KV.LockIndex, results[i].KV.LockIndex)
}
if e.KV.CreateIndex != results[i].KV.CreateIndex {
t.Fatalf("expected create index %d, got %d", e.KV.CreateIndex, results[i].KV.CreateIndex)
}
if e.KV.ModifyIndex != results[i].KV.ModifyIndex {
t.Fatalf("expected modify index %d, got %d", e.KV.ModifyIndex, results[i].KV.ModifyIndex)
}
}
// Pull the resulting state store contents.
idx, actual, err := s.KVSList(nil, "", nil)
if err != nil {
t.Fatalf("err: %s", err)
}
if idx != 3 {
t.Fatalf("bad index: %d", idx)
}
// Make sure it looks as expected.
entries := structs.DirEntries{
&structs.DirEntry{
Key: "foo/a",
Value: []byte("new"),
RaftIndex: structs.RaftIndex{
CreateIndex: 1,
ModifyIndex: 3,
},
},
&structs.DirEntry{
Key: "foo/b",
Value: []byte("bar"),
RaftIndex: structs.RaftIndex{
CreateIndex: 2,
ModifyIndex: 2,
},
},
}
if len(actual) != len(entries) {
t.Fatalf("bad len: %d != %d", len(actual), len(entries))
}
for i, e := range entries {
if e.Key != actual[i].Key {
t.Fatalf("expected key %s, got %s", e.Key, actual[i].Key)
}
if string(e.Value) != string(actual[i].Value) {
t.Fatalf("expected value %s, got %s", e.Value, actual[i].Value)
}
if e.LockIndex != actual[i].LockIndex {
t.Fatalf("expected lock index %d, got %d", e.LockIndex, actual[i].LockIndex)
}
if e.CreateIndex != actual[i].CreateIndex {
t.Fatalf("expected create index %d, got %d", e.CreateIndex, actual[i].CreateIndex)
}
if e.ModifyIndex != actual[i].ModifyIndex {
t.Fatalf("expected modify index %d, got %d", e.ModifyIndex, actual[i].ModifyIndex)
}
}
}