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8 Commits

Author SHA1 Message Date
Kubernetes Publisher
40525512cf Update dependencies to v0.17.17 tag 2021-01-13 21:14:51 +00:00
Kubernetes Publisher
fac82db87b Merge pull request #95355 from sfowl/automated-cherry-pick-of-#95316-upstream-release-1.17
Automated cherry pick of #95316: Mask bearer token in logs when logLevel >= 9

Kubernetes-commit: 86c41868d8636cb8bba1a7c90037c12edf9e324a
2020-12-14 17:08:38 +00:00
Kubernetes Publisher
ffaa190981 Merge pull request #95928 from ialidzhikov/automated-cherry-pick-of-#80954-upstream-release-1.17
Automated cherry pick of #80954: Generate complete leader election record to resolve

Kubernetes-commit: 3471502e73acf0b9e93b8ab39c206b0aad0b9efb
2020-10-28 08:21:58 -07:00
Sam Fowler
19875a3d5a Mask bearer token in logs when logLevel >= 9
Kubernetes-commit: 27f5d24017078154d39ccd258bd83562c911fed8
2020-10-06 11:10:38 +10:00
Zachary Seguin
2ea9231e9b Add lease release tests in leader election
Kubernetes-commit: a408cba0c83e20d501cc0d214bd3c28793309b23
2020-04-22 18:52:44 -04:00
Zachary Seguin
7d1b704e44 Generate complete leader election record to resolve leader election issues with LeaseLocks
Kubernetes-commit: ace50e2448a7fea70bf76fe79a56bff48a8e00df
2019-08-03 17:40:03 -04:00
Kubernetes Publisher
8df661eb81 Merge pull request #95620 from roycaihw/automated-cherry-pick-of-#95427-upstream-release-1.17
Automated cherry pick of #95427: don't cache transports for incomparable configs

Kubernetes-commit: 97ec03fb316f04ebafce700c547e48fa07293cb3
2020-10-20 10:25:19 +00:00
Haowei Cai
b7e3da0372 don't cache transports for incomparable configs
Co-authored-by: Jordan Liggitt <liggitt@google.com>

Kubernetes-commit: a5ad745376432db81491de7e9a6102e74ba45c26
2020-10-07 15:44:27 -07:00
8 changed files with 216 additions and 34 deletions

4
Godeps/Godeps.json generated
View File

@@ -352,11 +352,11 @@
},
{
"ImportPath": "k8s.io/api",
"Rev": "f4b723619c71"
"Rev": "v0.17.17"
},
{
"ImportPath": "k8s.io/apimachinery",
"Rev": "e01b6f647e0d"
"Rev": "v0.17.17"
},
{
"ImportPath": "k8s.io/gengo",

8
go.mod
View File

@@ -28,8 +28,8 @@ require (
golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45
golang.org/x/time v0.0.0-20190308202827-9d24e82272b4
google.golang.org/appengine v1.5.0 // indirect
k8s.io/api v0.0.0-20200903132056-f4b723619c71
k8s.io/apimachinery v0.0.0-20200903131703-e01b6f647e0d
k8s.io/api v0.17.17
k8s.io/apimachinery v0.17.17
k8s.io/klog v1.0.0
k8s.io/utils v0.0.0-20191114184206-e782cd3c129f
sigs.k8s.io/yaml v1.1.0
@@ -38,6 +38,6 @@ require (
replace (
golang.org/x/sys => golang.org/x/sys v0.0.0-20190813064441-fde4db37ae7a // pinned to release-branch.go1.13
golang.org/x/tools => golang.org/x/tools v0.0.0-20190821162956-65e3620a7ae7 // pinned to release-branch.go1.13
k8s.io/api => k8s.io/api v0.0.0-20200903132056-f4b723619c71
k8s.io/apimachinery => k8s.io/apimachinery v0.0.0-20200903131703-e01b6f647e0d
k8s.io/api => k8s.io/api v0.17.17
k8s.io/apimachinery => k8s.io/apimachinery v0.17.17
)

4
go.sum
View File

@@ -190,8 +190,8 @@ gopkg.in/yaml.v2 v2.2.8 h1:obN1ZagJSUGI0Ek/LBmuj4SNLPfIny3KsKFopxRdj10=
gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
k8s.io/api v0.0.0-20200903132056-f4b723619c71/go.mod h1:6jldM/f+1srnQ6exBO4L0duPFhjZA0QXAuxBg1nxJd0=
k8s.io/apimachinery v0.0.0-20200903131703-e01b6f647e0d/go.mod h1:T54ZSpncArE25c5r2PbUPsLeTpkPWY/ivafigSX6+xk=
k8s.io/api v0.17.17/go.mod h1:kk4nQM0EVx+BEY7o8CN5YL99CWmWEQ2a4NCak58yB6E=
k8s.io/apimachinery v0.17.17/go.mod h1:T54ZSpncArE25c5r2PbUPsLeTpkPWY/ivafigSX6+xk=
k8s.io/gengo v0.0.0-20190128074634-0689ccc1d7d6/go.mod h1:ezvh/TsK7cY6rbqRK0oQQ8IAqLxYwwyPxAX1Pzy0ii0=
k8s.io/klog v0.0.0-20181102134211-b9b56d5dfc92/go.mod h1:Gq+BEi5rUBO/HRz0bTSXDUcqjScdoY3a9IHpCEIOOfk=
k8s.io/klog v0.3.0/go.mod h1:Gq+BEi5rUBO/HRz0bTSXDUcqjScdoY3a9IHpCEIOOfk=

View File

@@ -300,8 +300,12 @@ func (le *LeaderElector) release() bool {
if !le.IsLeader() {
return true
}
now := metav1.Now()
leaderElectionRecord := rl.LeaderElectionRecord{
LeaderTransitions: le.observedRecord.LeaderTransitions,
LeaderTransitions: le.observedRecord.LeaderTransitions,
LeaseDurationSeconds: 1,
RenewTime: now,
AcquireTime: now,
}
if err := le.config.Lock.Update(leaderElectionRecord); err != nil {
klog.Errorf("Failed to release lock: %v", err)

View File

@@ -916,3 +916,158 @@ func TestTryAcquireOrRenewEndpointsLeases(t *testing.T) {
func TestTryAcquireOrRenewConfigMapsLeases(t *testing.T) {
testTryAcquireOrRenewMultiLock(t, "configmapsleases")
}
func testReleaseLease(t *testing.T, objectType string) {
tests := []struct {
name string
observedRecord rl.LeaderElectionRecord
observedTime time.Time
reactors []Reactor
expectSuccess bool
transitionLeader bool
outHolder string
}{
{
name: "release acquired lock from no object",
reactors: []Reactor{
{
verb: "get",
objectType: objectType,
reaction: func(action fakeclient.Action) (handled bool, ret runtime.Object, err error) {
return true, nil, errors.NewNotFound(action.(fakeclient.GetAction).GetResource().GroupResource(), action.(fakeclient.GetAction).GetName())
},
},
{
verb: "create",
objectType: objectType,
reaction: func(action fakeclient.Action) (handled bool, ret runtime.Object, err error) {
return true, action.(fakeclient.CreateAction).GetObject(), nil
},
},
{
verb: "update",
objectType: objectType,
reaction: func(action fakeclient.Action) (handled bool, ret runtime.Object, err error) {
return true, action.(fakeclient.UpdateAction).GetObject(), nil
},
},
},
expectSuccess: true,
outHolder: "",
},
}
for i := range tests {
test := &tests[i]
t.Run(test.name, func(t *testing.T) {
// OnNewLeader is called async so we have to wait for it.
var wg sync.WaitGroup
wg.Add(1)
var reportedLeader string
var lock rl.Interface
objectMeta := metav1.ObjectMeta{Namespace: "foo", Name: "bar"}
resourceLockConfig := rl.ResourceLockConfig{
Identity: "baz",
EventRecorder: &record.FakeRecorder{},
}
c := &fake.Clientset{}
for _, reactor := range test.reactors {
c.AddReactor(reactor.verb, objectType, reactor.reaction)
}
c.AddReactor("*", "*", func(action fakeclient.Action) (bool, runtime.Object, error) {
t.Errorf("unreachable action. testclient called too many times: %+v", action)
return true, nil, fmt.Errorf("unreachable action")
})
switch objectType {
case "endpoints":
lock = &rl.EndpointsLock{
EndpointsMeta: objectMeta,
LockConfig: resourceLockConfig,
Client: c.CoreV1(),
}
case "configmaps":
lock = &rl.ConfigMapLock{
ConfigMapMeta: objectMeta,
LockConfig: resourceLockConfig,
Client: c.CoreV1(),
}
case "leases":
lock = &rl.LeaseLock{
LeaseMeta: objectMeta,
LockConfig: resourceLockConfig,
Client: c.CoordinationV1(),
}
}
lec := LeaderElectionConfig{
Lock: lock,
LeaseDuration: 10 * time.Second,
Callbacks: LeaderCallbacks{
OnNewLeader: func(l string) {
defer wg.Done()
reportedLeader = l
},
},
}
observedRawRecord := GetRawRecordOrDie(t, objectType, test.observedRecord)
le := &LeaderElector{
config: lec,
observedRecord: test.observedRecord,
observedRawRecord: observedRawRecord,
observedTime: test.observedTime,
clock: clock.RealClock{},
}
if !le.tryAcquireOrRenew() {
t.Errorf("unexpected result of tryAcquireOrRenew: [succeeded=%v]", true)
}
le.maybeReportTransition()
// Wait for a response to the leader transition, and add 1 so that we can track the final transition.
wg.Wait()
wg.Add(1)
if test.expectSuccess != le.release() {
t.Errorf("unexpected result of release: [succeeded=%v]", !test.expectSuccess)
}
le.observedRecord.AcquireTime = metav1.Time{}
le.observedRecord.RenewTime = metav1.Time{}
if le.observedRecord.HolderIdentity != test.outHolder {
t.Errorf("expected holder:\n\t%+v\ngot:\n\t%+v", test.outHolder, le.observedRecord.HolderIdentity)
}
if len(test.reactors) != len(c.Actions()) {
t.Errorf("wrong number of api interactions")
}
if test.transitionLeader && le.observedRecord.LeaderTransitions != 1 {
t.Errorf("leader should have transitioned but did not")
}
if !test.transitionLeader && le.observedRecord.LeaderTransitions != 0 {
t.Errorf("leader should not have transitioned but did")
}
le.maybeReportTransition()
wg.Wait()
if reportedLeader != test.outHolder {
t.Errorf("reported leader was not the new leader. expected %q, got %q", test.outHolder, reportedLeader)
}
})
}
}
// Will test leader election using endpoints as the resource
func TestReleaseLeaseEndpoints(t *testing.T) {
testReleaseLease(t, "endpoints")
}
// Will test leader election using endpoints as the resource
func TestReleaseLeaseConfigMaps(t *testing.T) {
testReleaseLease(t, "configmaps")
}
// Will test leader election using endpoints as the resource
func TestReleaseLeaseLeases(t *testing.T) {
testReleaseLease(t, "leases")
}

View File

@@ -44,10 +44,8 @@ type tlsCacheKey struct {
caData string
certData string
keyData string
getCert string
serverName string
nextProtos string
dial string
disableCompression bool
}
@@ -56,22 +54,24 @@ func (t tlsCacheKey) String() string {
if len(t.keyData) > 0 {
keyText = "<redacted>"
}
return fmt.Sprintf("insecure:%v, caData:%#v, certData:%#v, keyData:%s, getCert: %s, serverName:%s, dial:%s disableCompression:%t", t.insecure, t.caData, t.certData, keyText, t.getCert, t.serverName, t.dial, t.disableCompression)
return fmt.Sprintf("insecure:%v, caData:%#v, certData:%#v, keyData:%s, serverName:%s, disableCompression:%t", t.insecure, t.caData, t.certData, keyText, t.serverName, t.disableCompression)
}
func (c *tlsTransportCache) get(config *Config) (http.RoundTripper, error) {
key, err := tlsConfigKey(config)
key, canCache, err := tlsConfigKey(config)
if err != nil {
return nil, err
}
// Ensure we only create a single transport for the given TLS options
c.mu.Lock()
defer c.mu.Unlock()
if canCache {
// Ensure we only create a single transport for the given TLS options
c.mu.Lock()
defer c.mu.Unlock()
// See if we already have a custom transport for this config
if t, ok := c.transports[key]; ok {
return t, nil
// See if we already have a custom transport for this config
if t, ok := c.transports[key]; ok {
return t, nil
}
}
// Get the TLS options for this client config
@@ -91,8 +91,7 @@ func (c *tlsTransportCache) get(config *Config) (http.RoundTripper, error) {
KeepAlive: 30 * time.Second,
}).DialContext
}
// Cache a single transport for these options
c.transports[key] = utilnet.SetTransportDefaults(&http.Transport{
transport := utilnet.SetTransportDefaults(&http.Transport{
Proxy: http.ProxyFromEnvironment,
TLSHandshakeTimeout: 10 * time.Second,
TLSClientConfig: tlsConfig,
@@ -100,24 +99,34 @@ func (c *tlsTransportCache) get(config *Config) (http.RoundTripper, error) {
DialContext: dial,
DisableCompression: config.DisableCompression,
})
return c.transports[key], nil
if canCache {
// Cache a single transport for these options
c.transports[key] = transport
}
return transport, nil
}
// tlsConfigKey returns a unique key for tls.Config objects returned from TLSConfigFor
func tlsConfigKey(c *Config) (tlsCacheKey, error) {
func tlsConfigKey(c *Config) (tlsCacheKey, bool, error) {
// Make sure ca/key/cert content is loaded
if err := loadTLSFiles(c); err != nil {
return tlsCacheKey{}, err
return tlsCacheKey{}, false, err
}
if c.TLS.GetCert != nil || c.Dial != nil {
// cannot determine equality for functions
return tlsCacheKey{}, false, nil
}
return tlsCacheKey{
insecure: c.TLS.Insecure,
caData: string(c.TLS.CAData),
certData: string(c.TLS.CertData),
keyData: string(c.TLS.KeyData),
getCert: fmt.Sprintf("%p", c.TLS.GetCert),
serverName: c.TLS.ServerName,
nextProtos: strings.Join(c.TLS.NextProtos, ","),
dial: fmt.Sprintf("%p", c.Dial),
disableCompression: c.DisableCompression,
}, nil
}, true, nil
}

View File

@@ -36,16 +36,24 @@ func TestTLSConfigKey(t *testing.T) {
}
for nameA, valueA := range identicalConfigurations {
for nameB, valueB := range identicalConfigurations {
keyA, err := tlsConfigKey(valueA)
keyA, canCache, err := tlsConfigKey(valueA)
if err != nil {
t.Errorf("Unexpected error for %q: %v", nameA, err)
continue
}
keyB, err := tlsConfigKey(valueB)
if !canCache {
t.Errorf("Unexpected canCache=false")
continue
}
keyB, canCache, err := tlsConfigKey(valueB)
if err != nil {
t.Errorf("Unexpected error for %q: %v", nameB, err)
continue
}
if !canCache {
t.Errorf("Unexpected canCache=false")
continue
}
if keyA != keyB {
t.Errorf("Expected identical cache keys for %q and %q, got:\n\t%s\n\t%s", nameA, nameB, keyA, keyB)
continue
@@ -131,12 +139,12 @@ func TestTLSConfigKey(t *testing.T) {
}
for nameA, valueA := range uniqueConfigurations {
for nameB, valueB := range uniqueConfigurations {
keyA, err := tlsConfigKey(valueA)
keyA, canCacheA, err := tlsConfigKey(valueA)
if err != nil {
t.Errorf("Unexpected error for %q: %v", nameA, err)
continue
}
keyB, err := tlsConfigKey(valueB)
keyB, canCacheB, err := tlsConfigKey(valueB)
if err != nil {
t.Errorf("Unexpected error for %q: %v", nameB, err)
continue
@@ -147,12 +155,17 @@ func TestTLSConfigKey(t *testing.T) {
if keyA != keyB {
t.Errorf("Expected identical cache keys for %q and %q, got:\n\t%s\n\t%s", nameA, nameB, keyA, keyB)
}
if canCacheA != canCacheB {
t.Errorf("Expected identical canCache %q and %q, got:\n\t%v\n\t%v", nameA, nameB, canCacheA, canCacheB)
}
continue
}
if keyA == keyB {
t.Errorf("Expected unique cache keys for %q and %q, got:\n\t%s\n\t%s", nameA, nameB, keyA, keyB)
continue
if canCacheA && canCacheB {
if keyA == keyB {
t.Errorf("Expected unique cache keys for %q and %q, got:\n\t%s\n\t%s", nameA, nameB, keyA, keyB)
continue
}
}
}
}

View File

@@ -340,6 +340,7 @@ func (r *requestInfo) toCurl() string {
headers := ""
for key, values := range r.RequestHeaders {
for _, value := range values {
value = maskValue(key, value)
headers += fmt.Sprintf(` -H %q`, fmt.Sprintf("%s: %s", key, value))
}
}