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terraform
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Merge pull request #25842 from remilapeyre/consul-path-slash

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Sanitize lock path for the Consul backend when it ends with a /
pull/26221/head
Alisdair McDiarmid 6 years ago committed by GitHub
parent 838182ccc9 032d339915
commit 92abaadc02
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 101 additions and 64 deletions
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5
backend/remote-state/consul/backend_test.go
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@ -1,6 +1,7 @@
package consul
import (
"flag"
"fmt"
"io/ioutil"
"os"
@ -39,6 +40,10 @@ func newConsulTestServer() (*testutil.TestServer, error) {
srv, err := testutil.NewTestServerConfig(func(c *testutil.TestServerConfig) {
c.LogLevel = "warn"
if !flag.Parsed() {
flag.Parse()
}
if !testing.Verbose() {
c.Stdout = ioutil.Discard
c.Stderr = ioutil.Discard

15
backend/remote-state/consul/client.go
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@ -9,6 +9,7 @@ import (
"errors"
"fmt"
"log"
"strings"
"sync"
"time"
@ -161,13 +162,19 @@ func (c *RemoteClient) Delete() error {
return err
}
func (c *RemoteClient) lockPath() string {
// we sanitize the path for the lock as Consul does not like having
// two consecutive slashes for the lock path
return strings.TrimRight(c.Path, "/")
}
func (c *RemoteClient) putLockInfo(info *statemgr.LockInfo) error {
info.Path = c.Path
info.Created = time.Now().UTC()
kv := c.Client.KV()
_, err := kv.Put(&consulapi.KVPair{
Key: c.Path + lockInfoSuffix,
Key: c.lockPath() + lockInfoSuffix,
Value: info.Marshal(),
}, nil)
@ -175,7 +182,7 @@ func (c *RemoteClient) putLockInfo(info *statemgr.LockInfo) error {
}
func (c *RemoteClient) getLockInfo() (*statemgr.LockInfo, error) {
path := c.Path + lockInfoSuffix
path := c.lockPath() + lockInfoSuffix
pair, _, err := c.Client.KV().Get(path, nil)
if err != nil {
return nil, err
@ -234,7 +241,7 @@ func (c *RemoteClient) lock() (string, error) {
c.info.Info = "consul session: " + lockSession
opts := &consulapi.LockOptions{
Key: c.Path + lockSuffix,
Key: c.lockPath() + lockSuffix,
Session: lockSession,
// only wait briefly, so terraform has the choice to fail fast or
@ -419,7 +426,7 @@ func (c *RemoteClient) unlock(id string) error {
var errs error
if _, err := kv.Delete(c.Path+lockInfoSuffix, nil); err != nil {
if _, err := kv.Delete(c.lockPath()+lockInfoSuffix, nil); err != nil {
errs = multierror.Append(errs, err)
}

145
backend/remote-state/consul/client_test.go
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@ -19,20 +19,29 @@ func TestRemoteClient_impl(t *testing.T) {
}
func TestRemoteClient(t *testing.T) {
// Get the backend
b := backend.TestBackendConfig(t, New(), backend.TestWrapConfig(map[string]interface{}{
"address": srv.HTTPAddr,
"path": fmt.Sprintf("tf-unit/%s", time.Now().String()),
}))
// Grab the client
state, err := b.StateMgr(backend.DefaultStateName)
if err != nil {
t.Fatalf("err: %s", err)
testCases := []string{
fmt.Sprintf("tf-unit/%s", time.Now().String()),
fmt.Sprintf("tf-unit/%s/", time.Now().String()),
}
// Test
remote.TestClient(t, state.(*remote.State).Client)
for _, path := range testCases {
t.Run(path, func(*testing.T) {
// Get the backend
b := backend.TestBackendConfig(t, New(), backend.TestWrapConfig(map[string]interface{}{
"address": srv.HTTPAddr,
"path": path,
}))
// Grab the client
state, err := b.StateMgr(backend.DefaultStateName)
if err != nil {
t.Fatalf("err: %s", err)
}
// Test
remote.TestClient(t, state.(*remote.State).Client)
})
}
}
// test the gzip functionality of the client
@ -72,62 +81,78 @@ func TestRemoteClient_gzipUpgrade(t *testing.T) {
}
func TestConsul_stateLock(t *testing.T) {
path := fmt.Sprintf("tf-unit/%s", time.Now().String())
// create 2 instances to get 2 remote.Clients
sA, err := backend.TestBackendConfig(t, New(), backend.TestWrapConfig(map[string]interface{}{
"address": srv.HTTPAddr,
"path": path,
})).StateMgr(backend.DefaultStateName)
if err != nil {
t.Fatal(err)
testCases := []string{
fmt.Sprintf("tf-unit/%s", time.Now().String()),
fmt.Sprintf("tf-unit/%s/", time.Now().String()),
}
sB, err := backend.TestBackendConfig(t, New(), backend.TestWrapConfig(map[string]interface{}{
"address": srv.HTTPAddr,
"path": path,
})).StateMgr(backend.DefaultStateName)
if err != nil {
t.Fatal(err)
for _, path := range testCases {
t.Run(path, func(*testing.T) {
// create 2 instances to get 2 remote.Clients
sA, err := backend.TestBackendConfig(t, New(), backend.TestWrapConfig(map[string]interface{}{
"address": srv.HTTPAddr,
"path": path,
})).StateMgr(backend.DefaultStateName)
if err != nil {
t.Fatal(err)
}
sB, err := backend.TestBackendConfig(t, New(), backend.TestWrapConfig(map[string]interface{}{
"address": srv.HTTPAddr,
"path": path,
})).StateMgr(backend.DefaultStateName)
if err != nil {
t.Fatal(err)
}
remote.TestRemoteLocks(t, sA.(*remote.State).Client, sB.(*remote.State).Client)
})
}
remote.TestRemoteLocks(t, sA.(*remote.State).Client, sB.(*remote.State).Client)
}
func TestConsul_destroyLock(t *testing.T) {
// Get the backend
b := backend.TestBackendConfig(t, New(), backend.TestWrapConfig(map[string]interface{}{
"address": srv.HTTPAddr,
"path": fmt.Sprintf("tf-unit/%s", time.Now().String()),
}))
// Grab the client
s, err := b.StateMgr(backend.DefaultStateName)
if err != nil {
t.Fatalf("err: %s", err)
testCases := []string{
fmt.Sprintf("tf-unit/%s", time.Now().String()),
fmt.Sprintf("tf-unit/%s/", time.Now().String()),
}
c := s.(*remote.State).Client.(*RemoteClient)
info := statemgr.NewLockInfo()
id, err := c.Lock(info)
if err != nil {
t.Fatal(err)
}
lockPath := c.Path + lockSuffix
if err := c.Unlock(id); err != nil {
t.Fatal(err)
}
// get the lock val
pair, _, err := c.Client.KV().Get(lockPath, nil)
if err != nil {
t.Fatal(err)
}
if pair != nil {
t.Fatalf("lock key not cleaned up at: %s", pair.Key)
for _, path := range testCases {
t.Run(path, func(*testing.T) {
// Get the backend
b := backend.TestBackendConfig(t, New(), backend.TestWrapConfig(map[string]interface{}{
"address": srv.HTTPAddr,
"path": path,
}))
// Grab the client
s, err := b.StateMgr(backend.DefaultStateName)
if err != nil {
t.Fatalf("err: %s", err)
}
c := s.(*remote.State).Client.(*RemoteClient)
info := statemgr.NewLockInfo()
id, err := c.Lock(info)
if err != nil {
t.Fatal(err)
}
lockPath := c.Path + lockSuffix
if err := c.Unlock(id); err != nil {
t.Fatal(err)
}
// get the lock val
pair, _, err := c.Client.KV().Get(lockPath, nil)
if err != nil {
t.Fatal(err)
}
if pair != nil {
t.Fatalf("lock key not cleaned up at: %s", pair.Key)
}
})
}
}

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