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refactor: revert pr #517 (#551)

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naison
2025-04-19 12:35:09 +08:00
committed by GitHub
parent 48e30b4344
commit 100a8df723
13 changed files with 136 additions and 623 deletions
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4
cmd/kubevpn/main.go
View File

@@ -3,9 +3,7 @@ package main
import (
ctrl "sigs.k8s.io/controller-runtime"
_ "k8s.io/client-go/plugin/pkg/client/auth/exec"
_ "k8s.io/client-go/plugin/pkg/client/auth/oidc"
_ "k8s.io/cloud-provider-gcp/pkg/clientauthplugin/gcp"
_ "k8s.io/client-go/plugin/pkg/client/auth"
_ "net/http/pprof"
"github.com/wencaiwulue/kubevpn/v2/cmd/kubevpn/cmds"

1
go.mod
View File

@@ -59,7 +59,6 @@ require (
k8s.io/apimachinery v0.32.3
k8s.io/cli-runtime v0.32.3
k8s.io/client-go v0.32.3
k8s.io/cloud-provider-gcp v0.0.0-20250403100842-c5803e83ee74
k8s.io/klog/v2 v2.130.1
k8s.io/kubectl v0.32.3
k8s.io/utils v0.0.0-20250321185631-1f6e0b77f77e

2
go.sum
View File

@@ -1218,8 +1218,6 @@ k8s.io/cli-runtime v0.32.3 h1:khLF2ivU2T6Q77H97atx3REY9tXiA3OLOjWJxUrdvss=
k8s.io/cli-runtime v0.32.3/go.mod h1:vZT6dZq7mZAca53rwUfdFSZjdtLyfF61mkf/8q+Xjak=
k8s.io/client-go v0.32.3 h1:RKPVltzopkSgHS7aS98QdscAgtgah/+zmpAogooIqVU=
k8s.io/client-go v0.32.3/go.mod h1:3v0+3k4IcT9bXTc4V2rt+d2ZPPG700Xy6Oi0Gdl2PaY=
k8s.io/cloud-provider-gcp v0.0.0-20250403100842-c5803e83ee74 h1:3oQJRcmH6WqQox0bO83RKob7A/RTPIydqG7onncdt7o=
k8s.io/cloud-provider-gcp v0.0.0-20250403100842-c5803e83ee74/go.mod h1:NZrMafedcWXEFDubORCpHuWMp8cUS1TItObinH7vpwg=
k8s.io/component-base v0.32.3 h1:98WJvvMs3QZ2LYHBzvltFSeJjEx7t5+8s71P7M74u8k=
k8s.io/component-base v0.32.3/go.mod h1:LWi9cR+yPAv7cu2X9rZanTiFKB2kHA+JjmhkKjCZRpI=
k8s.io/klog/v2 v2.130.1 h1:n9Xl7H1Xvksem4KFG4PYbdQCQxqc/tTUyrgXaOhHSzk=

7
go.work.sum
View File

@@ -174,6 +174,7 @@ github.com/alexkohler/prealloc v1.0.0/go.mod h1:VetnK3dIgFBBKmg0YnD9F9x6Icjd+9cv
github.com/alingse/asasalint v0.0.11/go.mod h1:nCaoMhw7a9kSJObvQyVzNTPBDbNpdocqrSP7t/cW5+I=
github.com/andybalholm/brotli v1.1.0/go.mod h1:sms7XGricyQI9K10gOSf56VKKWS4oLer58Q+mhRPtnY=
github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY=
github.com/antlr4-go/antlr/v4 v4.13.0/go.mod h1:pfChB/xh/Unjila75QW7+VU4TSnWnnk9UTnmpPaOR2g=
github.com/antlr4-go/antlr/v4 v4.13.1/go.mod h1:GKmUxMtwp6ZgGwZSva4eWPC5mS6vUAmOABFgjdkM7Nw=
github.com/armon/go-metrics v0.4.1/go.mod h1:E6amYzXo6aW1tqzoZGT755KkbgrJsSdpwZ+3JqfkOG4=
github.com/armon/go-radix v1.0.0/go.mod h1:ufUuZ+zHj4x4TnLV4JWEpy2hxWSpsRywHrMgIH9cCH8=
@@ -317,6 +318,7 @@ github.com/go-toolsmith/astp v1.1.0/go.mod h1:0T1xFGz9hicKs8Z5MfAqSUitoUYS30pDMs
github.com/go-toolsmith/strparse v1.1.0/go.mod h1:7ksGy58fsaQkGQlY8WVoBFNyEPMGuJin1rfoPS4lBSQ=
github.com/go-toolsmith/typep v1.1.0/go.mod h1:fVIw+7zjdsMxDA3ITWnH1yOiw1rnTQKCsF/sk2H/qig=
github.com/go-xmlfmt/xmlfmt v1.1.2/go.mod h1:aUCEOzzezBEjDBbFBoSiya/gduyIiWYRP6CnSFIV8AM=
github.com/gobuffalo/flect v1.0.2/go.mod h1:A5msMlrHtLqh9umBSnvabjsMrCcCpAyzglnDvkbYKHs=
github.com/gobuffalo/flect v1.0.3/go.mod h1:A5msMlrHtLqh9umBSnvabjsMrCcCpAyzglnDvkbYKHs=
github.com/goccy/go-json v0.10.2/go.mod h1:6MelG93GURQebXPDq3khkgXZkazVtN9CRI+MGFi0w8I=
github.com/goccy/go-yaml v1.12.0/go.mod h1:wKnAMd44+9JAAnGQpWVEgBzGt3YuTaQ4uXoHvE4m7WU=
@@ -620,6 +622,8 @@ golang.org/x/image v0.18.0/go.mod h1:4yyo5vMFQjVjUcVk4jEQcU9MGy/rulF5WvUILseCM2E
golang.org/x/mod v0.24.0/go.mod h1:IXM97Txy2VM4PJ3gI61r1YEk/gAj6zAHN3AdZt6S9Ww=
golang.org/x/telemetry v0.0.0-20240521205824-bda55230c457/go.mod h1:pRgIJT+bRLFKnoM1ldnzKoxTIn14Yxz928LQRYYgIN0=
golang.org/x/tools v0.31.0/go.mod h1:naFTU+Cev749tSJRXJlna0T3WxKvb1kWEx15xA4SdmQ=
google.golang.org/genproto v0.0.0-20240325203815-454cdb8f5daa h1:ePqxpG3LVx+feAUOx8YmR5T7rc0rdzK8DyxM8cQ9zq0=
google.golang.org/genproto v0.0.0-20240325203815-454cdb8f5daa/go.mod h1:CnZenrTdRJb7jc+jOm0Rkywq+9wh0QC4U8tyiRbEPPM=
google.golang.org/genproto v0.0.0-20240924160255-9d4c2d233b61 h1:KipVMxePgXPFBzXOvpKbny3RVdVmJOD64R/Ob7GPWEs=
google.golang.org/genproto v0.0.0-20240924160255-9d4c2d233b61/go.mod h1:HiAZQz/G7n0EywFjmncAwsfnmFm2bjm7qPjwl8hyzjM=
google.golang.org/genproto/googleapis/bytestream v0.0.0-20250313205543-e70fdf4c4cb4/go.mod h1:WkJpQl6Ujj3ElX4qZaNm5t6cT95ffI4K+HKQ0+1NyMw=
@@ -641,6 +645,7 @@ k8s.io/code-generator v0.32.3/go.mod h1:+mbiYID5NLsBuqxjQTygKM/DAdKpAjvBzrJd64NU
k8s.io/component-helpers v0.32.3/go.mod h1:utTBXk8lhkJewBKNuNf32Xl3KT/0VV19DmiXU/SV4Ao=
k8s.io/controller-manager v0.32.2/go.mod h1:o5uo2tLCQhuoMt0RfKcQd0eqaNmSKOKiT+0YELCqXOk=
k8s.io/cri-api v0.27.1/go.mod h1:+Ts/AVYbIo04S86XbTD73UPp/DkTiYxtsFeOFEu32L0=
k8s.io/gengo/v2 v2.0.0-20240911193312-2b36238f13e9/go.mod h1:EJykeLsmFC60UQbYJezXkEsG2FLrt0GPNkU5iK5GWxU=
k8s.io/gengo/v2 v2.0.0-20250207200755-1244d31929d7/go.mod h1:EJykeLsmFC60UQbYJezXkEsG2FLrt0GPNkU5iK5GWxU=
k8s.io/kms v0.32.3/go.mod h1:Bk2evz/Yvk0oVrvm4MvZbgq8BD34Ksxs2SRHn4/UiOM=
k8s.io/kube-controller-manager v0.32.2/go.mod h1:x7998ZLC+2lYnoizUwvVtHVPuoLeb7BhQEneeiNyVOg=
@@ -652,7 +657,9 @@ mvdan.cc/gofumpt v0.5.0/go.mod h1:HBeVDtMKRZpXyxFciAirzdKklDlGu8aAy1wEbH5Y9js=
mvdan.cc/interfacer v0.0.0-20180901003855-c20040233aed/go.mod h1:Xkxe497xwlCKkIaQYRfC7CSLworTXY9RMqwhhCm+8Nc=
mvdan.cc/lint v0.0.0-20170908181259-adc824a0674b/go.mod h1:2odslEg/xrtNQqCYg2/jCoyKnw3vv5biOc3JnIcYfL4=
mvdan.cc/unparam v0.0.0-20230312165513-e84e2d14e3b8/go.mod h1:Oh/d7dEtzsNHGOq1Cdv8aMm3KdKhVvPbRQcM8WFpBR8=
sigs.k8s.io/apiserver-network-proxy/konnectivity-client v0.31.0/go.mod h1:Ve9uj1L+deCXFrPOk1LpFXqTg7LCFzFso6PA48q/XZw=
sigs.k8s.io/apiserver-network-proxy/konnectivity-client v0.31.1/go.mod h1:Ve9uj1L+deCXFrPOk1LpFXqTg7LCFzFso6PA48q/XZw=
sigs.k8s.io/controller-tools v0.15.1-0.20240618033008-7824932b0cab/go.mod h1:egedX5jq2KrZ3A2zaOz3e2DSsh5BhFyyjvNcBRIQel8=
sigs.k8s.io/controller-tools v0.17.2/go.mod h1:4q5tZG2JniS5M5bkiXY2/potOiXyhoZVw/U48vLkXk0=
sigs.k8s.io/kustomize/kustomize/v5 v5.5.0/go.mod h1:AeFCmgCrXzmvjWWaeZCyBp6XzG1Y0w1svYus8GhJEOE=
software.sslmate.com/src/go-pkcs12 v0.4.0/go.mod h1:Qiz0EyvDRJjjxGyUQa2cCNZn/wMyzrRJ/qcDXOQazLI=

8
vendor/k8s.io/client-go/plugin/pkg/client/auth/OWNERS generated vendored Normal file
View File

@@ -0,0 +1,8 @@
# See the OWNERS docs at https://go.k8s.io/owners
approvers:
- sig-auth-authenticators-approvers
reviewers:
- sig-auth-authenticators-reviewers
labels:
- sig/auth

36
vendor/k8s.io/client-go/plugin/pkg/client/auth/azure/azure_stub.go generated vendored Normal file
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@@ -0,0 +1,36 @@
/*
Copyright 2022 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package azure
import (
"errors"
"k8s.io/client-go/rest"
"k8s.io/klog/v2"
)
func init() {
if err := rest.RegisterAuthProviderPlugin("azure", newAzureAuthProvider); err != nil {
klog.Fatalf("Failed to register azure auth plugin: %v", err)
}
}
func newAzureAuthProvider(_ string, _ map[string]string, _ rest.AuthProviderConfigPersister) (rest.AuthProvider, error) {
return nil, errors.New(`The azure auth plugin has been removed.
Please use the https://github.com/Azure/kubelogin kubectl/client-go credential plugin instead.
See https://kubernetes.io/docs/reference/access-authn-authz/authentication/#client-go-credential-plugins for further details`)
}

36
vendor/k8s.io/client-go/plugin/pkg/client/auth/gcp/gcp_stub.go generated vendored Normal file
View File

@@ -0,0 +1,36 @@
/*
Copyright 2022 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package gcp
import (
"errors"
"k8s.io/client-go/rest"
"k8s.io/klog/v2"
)
func init() {
if err := rest.RegisterAuthProviderPlugin("gcp", newGCPAuthProvider); err != nil {
klog.Fatalf("Failed to register gcp auth plugin: %v", err)
}
}
func newGCPAuthProvider(_ string, _ map[string]string, _ rest.AuthProviderConfigPersister) (rest.AuthProvider, error) {
return nil, errors.New(`The gcp auth plugin has been removed.
Please use the "gke-gcloud-auth-plugin" kubectl/client-go credential plugin instead.
See https://cloud.google.com/blog/products/containers-kubernetes/kubectl-auth-changes-in-gke for further details`)
}

22
vendor/k8s.io/client-go/plugin/pkg/client/auth/plugins.go generated vendored Normal file
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@@ -0,0 +1,22 @@
/*
Copyright 2016 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package auth
import (
// Initialize common client auth plugins.
_ "k8s.io/client-go/plugin/pkg/client/auth/oidc"
)

23
vendor/k8s.io/client-go/plugin/pkg/client/auth/plugins_providers.go generated vendored Normal file
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@@ -0,0 +1,23 @@
/*
Copyright 2016 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package auth
import (
// Initialize client auth plugins for cloud providers.
_ "k8s.io/client-go/plugin/pkg/client/auth/azure"
_ "k8s.io/client-go/plugin/pkg/client/auth/gcp"
)

202
vendor/k8s.io/cloud-provider-gcp/LICENSE generated vendored
View File

@@ -1,202 +0,0 @@
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
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Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
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Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

30
vendor/k8s.io/cloud-provider-gcp/pkg/clientauthplugin/gcp/BUILD generated vendored
View File

@@ -1,30 +0,0 @@
package(default_visibility = ["//visibility:public"])
load(
"@io_bazel_rules_go//go:def.bzl",
"go_library",
"go_test",
)
load("//defs:version.bzl", "version_x_defs")
go_library(
name = "gcp",
srcs = ["gcp.go"],
importpath = "k8s.io/cloud-provider-gcp/pkg/clientauthplugin/gcp",
deps = [
"//vendor/golang.org/x/oauth2",
"//vendor/golang.org/x/oauth2/google",
"//vendor/k8s.io/apimachinery/pkg/util/net",
"//vendor/k8s.io/apimachinery/pkg/util/yaml",
"//vendor/k8s.io/client-go/rest",
"//vendor/k8s.io/client-go/util/jsonpath",
"//vendor/k8s.io/klog/v2:klog",
],
)
go_test(
name = "gcp_test",
srcs = ["gcp_test.go"],
embed = [":gcp"],
deps = ["//vendor/golang.org/x/oauth2"],
)

382
vendor/k8s.io/cloud-provider-gcp/pkg/clientauthplugin/gcp/gcp.go generated vendored
View File

@@ -1,382 +0,0 @@
/*
Copyright 2016 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package gcp
import (
"bytes"
"context"
"encoding/json"
"fmt"
"net/http"
"os/exec"
"strings"
"sync"
"time"
"golang.org/x/oauth2"
"golang.org/x/oauth2/google"
"k8s.io/apimachinery/pkg/util/net"
"k8s.io/apimachinery/pkg/util/yaml"
restclient "k8s.io/client-go/rest"
"k8s.io/client-go/util/jsonpath"
"k8s.io/klog/v2"
)
func init() {
if err := restclient.RegisterAuthProviderPlugin("gcp", newGCPAuthProvider); err != nil {
klog.Fatalf("Failed to register gcp auth plugin: %v", err)
}
}
var (
// Stubbable for testing
execCommand = exec.Command
// defaultScopes:
// - cloud-platform is the base scope to authenticate to GCP.
// - userinfo.email is used to authenticate to GKE APIs with gserviceaccount
// email instead of numeric uniqueID.
defaultScopes = []string{
"https://www.googleapis.com/auth/cloud-platform",
"https://www.googleapis.com/auth/userinfo.email"}
)
// gcpAuthProvider is an auth provider plugin that uses GCP credentials to provide
// tokens for kubectl to authenticate itself to the apiserver. A sample json config
// is provided below with all recognized options described.
//
// {
// 'auth-provider': {
// # Required
// "name": "gcp",
//
// 'config': {
// # Authentication options
// # These options are used while getting a token.
//
// # comma-separated list of GCP API scopes. default value of this field
// # is "https://www.googleapis.com/auth/cloud-platform,https://www.googleapis.com/auth/userinfo.email".
// # to override the API scopes, specify this field explicitly.
// "scopes": "https://www.googleapis.com/auth/cloud-platform"
//
// # Caching options
//
// # Raw string data representing cached access token.
// "access-token": "ya29.CjWdA4GiBPTt",
// # RFC3339Nano expiration timestamp for cached access token.
// "expiry": "2016-10-31 22:31:9.123",
//
// # Command execution options
// # These options direct the plugin to execute a specified command and parse
// # token and expiry time from the output of the command.
//
// # Command to execute for access token. Command output will be parsed as JSON.
// # If "cmd-args" is not present, this value will be split on whitespace, with
// # the first element interpreted as the command, remaining elements as args.
// "cmd-path": "/usr/bin/gcloud",
//
// # Arguments to pass to command to execute for access token.
// "cmd-args": "config config-helper --output=json"
//
// # JSONPath to the string field that represents the access token in
// # command output. If omitted, defaults to "{.access_token}".
// "token-key": "{.credential.access_token}",
//
// # JSONPath to the string field that represents expiration timestamp
// # of the access token in the command output. If omitted, defaults to
// # "{.token_expiry}"
// "expiry-key": ""{.credential.token_expiry}",
//
// # golang reference time in the format that the expiration timestamp uses.
// # If omitted, defaults to time.RFC3339Nano
// "time-fmt": "2006-01-02 15:04:05.999999999"
// }
// }
// }
type gcpAuthProvider struct {
tokenSource oauth2.TokenSource
persister restclient.AuthProviderConfigPersister
}
func newGCPAuthProvider(_ string, gcpConfig map[string]string, persister restclient.AuthProviderConfigPersister) (restclient.AuthProvider, error) {
ts, err := tokenSource(isCmdTokenSource(gcpConfig), gcpConfig)
if err != nil {
return nil, err
}
cts, err := newCachedTokenSource(gcpConfig["access-token"], gcpConfig["expiry"], persister, ts, gcpConfig)
if err != nil {
return nil, err
}
return &gcpAuthProvider{cts, persister}, nil
}
func isCmdTokenSource(gcpConfig map[string]string) bool {
_, ok := gcpConfig["cmd-path"]
return ok
}
func tokenSource(isCmd bool, gcpConfig map[string]string) (oauth2.TokenSource, error) {
// Command-based token source
if isCmd {
cmd := gcpConfig["cmd-path"]
if len(cmd) == 0 {
return nil, fmt.Errorf("missing access token cmd")
}
if gcpConfig["scopes"] != "" {
return nil, fmt.Errorf("scopes can only be used when kubectl is using a gcp service account key")
}
var args []string
if cmdArgs, ok := gcpConfig["cmd-args"]; ok {
args = strings.Fields(cmdArgs)
} else {
fields := strings.Fields(cmd)
cmd = fields[0]
args = fields[1:]
}
return newCmdTokenSource(cmd, args, gcpConfig["token-key"], gcpConfig["expiry-key"], gcpConfig["time-fmt"]), nil
}
// Google Application Credentials-based token source
scopes := parseScopes(gcpConfig)
ts, err := google.DefaultTokenSource(context.Background(), scopes...)
if err != nil {
return nil, fmt.Errorf("cannot construct google default token source: %v", err)
}
return ts, nil
}
// parseScopes constructs a list of scopes that should be included in token source
// from the config map.
func parseScopes(gcpConfig map[string]string) []string {
scopes, ok := gcpConfig["scopes"]
if !ok {
return defaultScopes
}
if scopes == "" {
return []string{}
}
return strings.Split(gcpConfig["scopes"], ",")
}
func (g *gcpAuthProvider) WrapTransport(rt http.RoundTripper) http.RoundTripper {
var resetCache map[string]string
if cts, ok := g.tokenSource.(*cachedTokenSource); ok {
resetCache = cts.baseCache()
} else {
resetCache = make(map[string]string)
}
return &conditionalTransport{&oauth2.Transport{Source: g.tokenSource, Base: rt}, g.persister, resetCache}
}
func (g *gcpAuthProvider) Login() error { return nil }
type cachedTokenSource struct {
lk sync.Mutex
source oauth2.TokenSource
accessToken string `datapolicy:"token"`
expiry time.Time
persister restclient.AuthProviderConfigPersister
cache map[string]string
}
func newCachedTokenSource(accessToken, expiry string, persister restclient.AuthProviderConfigPersister, ts oauth2.TokenSource, cache map[string]string) (*cachedTokenSource, error) {
var expiryTime time.Time
if parsedTime, err := time.Parse(time.RFC3339Nano, expiry); err == nil {
expiryTime = parsedTime
}
if cache == nil {
cache = make(map[string]string)
}
return &cachedTokenSource{
source: ts,
accessToken: accessToken,
expiry: expiryTime,
persister: persister,
cache: cache,
}, nil
}
func (t *cachedTokenSource) Token() (*oauth2.Token, error) {
tok := t.cachedToken()
if tok.Valid() && !tok.Expiry.IsZero() {
return tok, nil
}
tok, err := t.source.Token()
if err != nil {
return nil, err
}
cache := t.update(tok)
if t.persister != nil {
if err := t.persister.Persist(cache); err != nil {
klog.V(4).Infof("Failed to persist token: %v", err)
}
}
return tok, nil
}
func (t *cachedTokenSource) cachedToken() *oauth2.Token {
t.lk.Lock()
defer t.lk.Unlock()
return &oauth2.Token{
AccessToken: t.accessToken,
TokenType: "Bearer",
Expiry: t.expiry,
}
}
func (t *cachedTokenSource) update(tok *oauth2.Token) map[string]string {
t.lk.Lock()
defer t.lk.Unlock()
t.accessToken = tok.AccessToken
t.expiry = tok.Expiry
ret := map[string]string{}
for k, v := range t.cache {
ret[k] = v
}
ret["access-token"] = t.accessToken
ret["expiry"] = t.expiry.Format(time.RFC3339Nano)
return ret
}
// baseCache is the base configuration value for this TokenSource, without any cached ephemeral tokens.
func (t *cachedTokenSource) baseCache() map[string]string {
t.lk.Lock()
defer t.lk.Unlock()
ret := map[string]string{}
for k, v := range t.cache {
ret[k] = v
}
delete(ret, "access-token")
delete(ret, "expiry")
return ret
}
type commandTokenSource struct {
cmd string
args []string
tokenKey string `datapolicy:"token"`
expiryKey string `datapolicy:"secret-key"`
timeFmt string
}
func newCmdTokenSource(cmd string, args []string, tokenKey, expiryKey, timeFmt string) *commandTokenSource {
if len(timeFmt) == 0 {
timeFmt = time.RFC3339Nano
}
if len(tokenKey) == 0 {
tokenKey = "{.access_token}"
}
if len(expiryKey) == 0 {
expiryKey = "{.token_expiry}"
}
return &commandTokenSource{
cmd: cmd,
args: args,
tokenKey: tokenKey,
expiryKey: expiryKey,
timeFmt: timeFmt,
}
}
func (c *commandTokenSource) Token() (*oauth2.Token, error) {
fullCmd := strings.Join(append([]string{c.cmd}, c.args...), " ")
cmd := execCommand(c.cmd, c.args...)
var stderr bytes.Buffer
cmd.Stderr = &stderr
output, err := cmd.Output()
if err != nil {
return nil, fmt.Errorf("error executing access token command %q: err=%v output=%s stderr=%s", fullCmd, err, output, string(stderr.Bytes()))
}
token, err := c.parseTokenCmdOutput(output)
if err != nil {
return nil, fmt.Errorf("error parsing output for access token command %q: %v", fullCmd, err)
}
return token, nil
}
func (c *commandTokenSource) parseTokenCmdOutput(output []byte) (*oauth2.Token, error) {
output, err := yaml.ToJSON(output)
if err != nil {
return nil, err
}
var data interface{}
if err := json.Unmarshal(output, &data); err != nil {
return nil, err
}
accessToken, err := parseJSONPath(data, "token-key", c.tokenKey)
if err != nil {
return nil, fmt.Errorf("error parsing token-key %q from %q: %v", c.tokenKey, string(output), err)
}
expiryStr, err := parseJSONPath(data, "expiry-key", c.expiryKey)
if err != nil {
return nil, fmt.Errorf("error parsing expiry-key %q from %q: %v", c.expiryKey, string(output), err)
}
var expiry time.Time
if t, err := time.Parse(c.timeFmt, expiryStr); err != nil {
klog.V(4).Infof("Failed to parse token expiry from %s (fmt=%s): %v", expiryStr, c.timeFmt, err)
} else {
expiry = t
}
return &oauth2.Token{
AccessToken: accessToken,
TokenType: "Bearer",
Expiry: expiry,
}, nil
}
func parseJSONPath(input interface{}, name, template string) (string, error) {
j := jsonpath.New(name)
buf := new(bytes.Buffer)
if err := j.Parse(template); err != nil {
return "", err
}
if err := j.Execute(buf, input); err != nil {
return "", err
}
return buf.String(), nil
}
type conditionalTransport struct {
oauthTransport *oauth2.Transport
persister restclient.AuthProviderConfigPersister
resetCache map[string]string
}
var _ net.RoundTripperWrapper = &conditionalTransport{}
func (t *conditionalTransport) RoundTrip(req *http.Request) (*http.Response, error) {
if len(req.Header.Get("Authorization")) != 0 {
return t.oauthTransport.Base.RoundTrip(req)
}
res, err := t.oauthTransport.RoundTrip(req)
if err != nil {
return nil, err
}
if res.StatusCode == 401 {
klog.V(4).Infof("The credentials that were supplied are invalid for the target cluster")
t.persister.Persist(t.resetCache)
}
return res, nil
}
func (t *conditionalTransport) WrappedRoundTripper() http.RoundTripper { return t.oauthTransport.Base }

6
vendor/modules.txt vendored
View File

@@ -2644,7 +2644,10 @@ k8s.io/client-go/pkg/apis/clientauthentication/install
k8s.io/client-go/pkg/apis/clientauthentication/v1
k8s.io/client-go/pkg/apis/clientauthentication/v1beta1
k8s.io/client-go/pkg/version
k8s.io/client-go/plugin/pkg/client/auth
k8s.io/client-go/plugin/pkg/client/auth/azure
k8s.io/client-go/plugin/pkg/client/auth/exec
k8s.io/client-go/plugin/pkg/client/auth/gcp
k8s.io/client-go/plugin/pkg/client/auth/oidc
k8s.io/client-go/rest
k8s.io/client-go/rest/watch
@@ -2693,9 +2696,6 @@ k8s.io/client-go/util/keyutil
k8s.io/client-go/util/retry
k8s.io/client-go/util/watchlist
k8s.io/client-go/util/workqueue
# k8s.io/cloud-provider-gcp v0.0.0-20250403100842-c5803e83ee74
## explicit; go 1.23.0
k8s.io/cloud-provider-gcp/pkg/clientauthplugin/gcp
# k8s.io/component-base v0.32.3
## explicit; go 1.23.0
k8s.io/component-base/version