From 841eb81e950d417f96c23220e4160ba82936f03a Mon Sep 17 00:00:00 2001 From: Eoin McAfee Date: Wed, 3 Jan 2024 10:45:56 +0000 Subject: [PATCH] initial oidc change --- .drone.yml | 1 + README.md | 5 ++ cmd/kaniko-gar/main.go | 83 +++++++++++++++++++++++++- go.mod | 28 ++++++--- go.sum | 132 +++++++++++++++++++++++++++++++++++++++++ internal/tokenutil.go | 65 ++++++++++++++++++++ kaniko.go | 3 +- 7 files changed, 307 insertions(+), 10 deletions(-) create mode 100644 internal/tokenutil.go diff --git a/.drone.yml b/.drone.yml index 9ffc9f4..b8bd758 100644 --- a/.drone.yml +++ b/.drone.yml @@ -5,6 +5,7 @@ name: default pool: use: ubuntu + platform: os: linux arch: amd64 diff --git a/README.md b/README.md index a1c46f6..b915fbf 100644 --- a/README.md +++ b/README.md @@ -44,6 +44,11 @@ docker build \ --label org.label-schema.build-date=$(date -u +"%Y-%m-%dT%H:%M:%SZ") \ --label org.label-schema.vcs-ref=$(git rev-parse --short HEAD) \ --file docker/ecr/Dockerfile.linux.amd64 --tag plugins/kaniko-ecr . + + docker build \ + --label org.label-schema.build-date=$(date -u +"%Y-%m-%dT%H:%M:%SZ") \ + --label org.label-schema.vcs-ref=$(git rev-parse --short HEAD) \ + --file docker/gar/Dockerfile.linux.amd64 --tag plugins/kaniko-gar . ``` ## Usage diff --git a/cmd/kaniko-gar/main.go b/cmd/kaniko-gar/main.go index 93edd84..665200c 100644 --- a/cmd/kaniko-gar/main.go +++ b/cmd/kaniko-gar/main.go @@ -1,10 +1,14 @@ package main import ( + "encoding/base64" + "encoding/json" "fmt" "io/ioutil" "os" + "github.com/drone/drone-kaniko/internal" + "github.com/joho/godotenv" "github.com/pkg/errors" "github.com/sirupsen/logrus" @@ -164,6 +168,31 @@ func main() { Usage: "build only used stages", EnvVar: "PLUGIN_SKIP_UNUSED_STAGES", }, + cli.StringFlag{ + Name: "oidc-token", + Usage: "OIDC token to use for authentication", + EnvVar: "PLUGIN_OIDC_TOKEN_ID", + }, + cli.StringFlag{ + Name: "project-number", + Usage: "Google project number", + EnvVar: "PLUGIN_PROJECT_NUMBER", + }, + cli.StringFlag{ + Name: "pool-id", + Usage: "Google pool id", + EnvVar: "PLUGIN_POOL_ID", + }, + cli.StringFlag{ + Name: "provider-id", + Usage: "Google provider id", + EnvVar: "PLUGIN_PROVIDER_ID", + }, + cli.StringFlag{ + Name: "service-account-email", + Usage: "Google service account email", + EnvVar: "PLUGIN_SERVICE_ACCOUNT_EMAIL", + }, } if err := app.Run(os.Args); err != nil { @@ -174,7 +203,12 @@ func main() { func run(c *cli.Context) error { noPush := c.Bool("no-push") jsonKey := c.String("json-key") - + idToken := c.String("oidc-token") + projectNumber := c.String("project-number") + poolId := c.String("pool-id") + providerId := c.String("provider-id") + serviceAccountEmail := c.String("service-account-email") + registry := c.String("registry") // JSON key may not be set in the following cases: // 1. Image does not need to be pushed to GAR. // 2. Workload identity is set on GKE in which pod will inherit the credentials via service account. @@ -182,6 +216,13 @@ func run(c *cli.Context) error { if err := setupGARAuth(jsonKey); err != nil { return err } + } else if idToken != "" { + accessToken := setupOIDCAuth(idToken, projectNumber, poolId, providerId, serviceAccountEmail) + if accessToken != "" { + if err := setupAccessTokenAuth(accessToken, registry); err != nil { + return err + } + } } plugin := kaniko.Plugin{ @@ -212,7 +253,7 @@ func run(c *cli.Context) error { Artifact: kaniko.Artifact{ Tags: c.StringSlice("tags"), Repo: c.String("repo"), - Registry: c.String("registry"), + Registry: registry, ArtifactFile: c.String("artifact-file"), RegistryType: artifact.GAR, }, @@ -232,3 +273,41 @@ func setupGARAuth(jsonKey string) error { } return nil } + +func setupAccessTokenAuth(accessToken, registryURL string) error { + dockerConfig := map[string]interface{}{ + "auths": map[string]interface{}{ + registryURL: map[string]string{ + "auth": encodeAccessToken(accessToken), + }, + }, + } + + dockerConfigJson, err := json.Marshal(dockerConfig) + if err != nil { + return fmt.Errorf("failed to marshal docker config: %w", err) + } + + if err := ioutil.WriteFile("/root/.docker/config.json", dockerConfigJson, 0600); err != nil { + return fmt.Errorf("failed to write docker config file: %w", err) + } + + return nil +} + +func encodeAccessToken(token string) string { + auth := base64.StdEncoding.EncodeToString([]byte("_json_key:" + token)) + return auth +} + +func setupOIDCAuth(idToken, projectId, poolId, providerId, serviceAccountEmail string) string { + federalToken, err := internal.GetFederalToken(idToken, projectId, poolId, providerId) + if err != nil { + logrus.Fatalf("Error (getFederalToken): %s", err) + } + accessToken, err := internal.GetGoogleCloudAccessToken(federalToken, serviceAccountEmail) + if err != nil { + logrus.Fatalf("Error (getGoogleCloudAccessToken): %s", err) + } + return accessToken +} diff --git a/go.mod b/go.mod index 52e740c..3c8faee 100644 --- a/go.mod +++ b/go.mod @@ -10,16 +10,18 @@ require ( github.com/aws/aws-sdk-go-v2/service/ecrpublic v1.13.8 github.com/aws/smithy-go v1.12.0 github.com/coreos/go-semver v0.3.0 - github.com/google/go-cmp v0.5.8 + github.com/google/go-cmp v0.6.0 github.com/hashicorp/go-version v1.6.0 github.com/joho/godotenv v1.4.0 github.com/pkg/errors v0.9.1 github.com/sirupsen/logrus v1.8.1 github.com/urfave/cli v1.22.9 - golang.org/x/mod v0.5.1 + golang.org/x/mod v0.8.0 ) require ( + cloud.google.com/go/compute v1.23.1 // indirect + cloud.google.com/go/compute/metadata v0.2.3 // indirect github.com/Azure/azure-sdk-for-go/sdk/internal v1.0.0 // indirect github.com/AzureAD/microsoft-authentication-library-for-go v0.5.3 // indirect github.com/aws/aws-sdk-go-v2/credentials v1.12.9 // indirect @@ -32,15 +34,27 @@ require ( github.com/aws/aws-sdk-go-v2/service/sts v1.16.9 // indirect github.com/cpuguy83/go-md2man/v2 v2.0.2 // indirect github.com/golang-jwt/jwt v3.2.2+incompatible // indirect - github.com/google/uuid v1.3.0 // indirect + github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect + github.com/golang/protobuf v1.5.3 // indirect + github.com/google/s2a-go v0.1.7 // indirect + github.com/google/uuid v1.4.0 // indirect + github.com/googleapis/enterprise-certificate-proxy v0.3.2 // indirect + github.com/googleapis/gax-go/v2 v2.12.0 // indirect github.com/jmespath/go-jmespath v0.4.0 // indirect github.com/kylelemons/godebug v1.1.0 // indirect github.com/pkg/browser v0.0.0-20210911075715-681adbf594b8 // indirect github.com/russross/blackfriday/v2 v2.1.0 // indirect - golang.org/x/crypto v0.0.0-20220722155217-630584e8d5aa // indirect - golang.org/x/net v0.0.0-20220725212005-46097bf591d3 // indirect - golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f // indirect - golang.org/x/text v0.3.7 // indirect + go.opencensus.io v0.24.0 // indirect + golang.org/x/crypto v0.14.0 // indirect + golang.org/x/net v0.17.0 // indirect + golang.org/x/oauth2 v0.13.0 // indirect + golang.org/x/sys v0.13.0 // indirect + golang.org/x/text v0.13.0 // indirect + google.golang.org/api v0.151.0 // indirect + google.golang.org/appengine v1.6.7 // indirect + google.golang.org/genproto/googleapis/rpc v0.0.0-20231030173426-d783a09b4405 // indirect + google.golang.org/grpc v1.59.0 // indirect + google.golang.org/protobuf v1.31.0 // indirect ) go 1.21 diff --git a/go.sum b/go.sum index bb97fc8..cf745b8 100644 --- a/go.sum +++ b/go.sum @@ -1,3 +1,8 @@ +cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= +cloud.google.com/go/compute v1.23.1 h1:V97tBoDaZHb6leicZ1G6DLK2BAaZLJ/7+9BB/En3hR0= +cloud.google.com/go/compute v1.23.1/go.mod h1:CqB3xpmPKKt3OJpW2ndFIXnA9A4xAy/F3Xp1ixncW78= +cloud.google.com/go/compute/metadata v0.2.3 h1:mg4jlk7mCAj6xXp9UJ4fjI9VUI5rubuGBW5aJ7UnBMY= +cloud.google.com/go/compute/metadata v0.2.3/go.mod h1:VAV5nSsACxMJvgaAuX6Pk2AawlZn8kiOGuCv6gTkwuA= github.com/Azure/azure-sdk-for-go/sdk/azcore v1.1.1 h1:tz19qLF65vuu2ibfTqGVJxG/zZAI27NEIIbvAOQwYbw= github.com/Azure/azure-sdk-for-go/sdk/azcore v1.1.1/go.mod h1:uGG2W01BaETf0Ozp+QxxKJdMBNRWPdstHG0Fmdwn1/U= github.com/Azure/azure-sdk-for-go/sdk/azidentity v1.1.0 h1:QkAcEIAKbNL4KoFr4SathZPhDhF4mVwpBMFlYjyAqy8= @@ -35,6 +40,9 @@ github.com/aws/aws-sdk-go-v2/service/sts v1.16.9 h1:yOfILxyjmtr2ubRkRJldlHDFBhf5 github.com/aws/aws-sdk-go-v2/service/sts v1.16.9/go.mod h1:O1IvkYxr+39hRf960Us6j0x1P8pDqhTX+oXM5kQNl/Y= github.com/aws/smithy-go v1.12.0 h1:gXpeZel/jPoWQ7OEmLIgCUnhkFftqNfwWUwAHSlp1v0= github.com/aws/smithy-go v1.12.0/go.mod h1:Tg+OJXh4MB2R/uN61Ko2f6hTZwB/ZYGOtib8J3gBHzA= +github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU= +github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw= +github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc= github.com/coreos/go-semver v0.3.0 h1:wkHLiw0WNATZnSG7epLsujiMCgPAc9xhjJ4tgnAxmfM= github.com/coreos/go-semver v0.3.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk= github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU= @@ -45,16 +53,55 @@ github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= github.com/dnaeon/go-vcr v1.1.0 h1:ReYa/UBrRyQdant9B4fNHGoCNKw6qh6P0fsdGmZpR7c= github.com/dnaeon/go-vcr v1.1.0/go.mod h1:M7tiix8f0r6mKKJ3Yq/kqU1OYf3MnfmBWVbPx/yU9ko= +github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4= +github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4= +github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98= +github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c= github.com/golang-jwt/jwt v3.2.1+incompatible/go.mod h1:8pz2t5EyA70fFQQSrl6XZXzqecmYZeUEB8OUGHkxJ+I= github.com/golang-jwt/jwt v3.2.2+incompatible h1:IfV12K8xAKAnZqdXVzCZ+TOjboZ2keLg81eXfW3O+oY= github.com/golang-jwt/jwt v3.2.2+incompatible/go.mod h1:8pz2t5EyA70fFQQSrl6XZXzqecmYZeUEB8OUGHkxJ+I= github.com/golang-jwt/jwt/v4 v4.2.0 h1:besgBTC8w8HjP6NzQdxwKH9Z5oQMZ24ThTrHp3cZ8eU= github.com/golang-jwt/jwt/v4 v4.2.0/go.mod h1:/xlHOz8bRuivTWchD4jCa+NbatV+wEUSzwAxVc6locg= +github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q= +github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc= +github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da h1:oI5xCqsCo564l8iNU+DwB5epxmsaqB+rhGL0m5jtYqE= +github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc= +github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A= +github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U= +github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U= +github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U= +github.com/golang/protobuf v1.4.0-rc.1/go.mod h1:ceaxUfeHdC40wWswd/P6IGgMaK3YpKi5j83Wpe3EHw8= +github.com/golang/protobuf v1.4.0-rc.1.0.20200221234624-67d41d38c208/go.mod h1:xKAWHe0F5eneWXFV3EuXVDTCmh+JuBKY0li0aMyXATA= +github.com/golang/protobuf v1.4.0-rc.2/go.mod h1:LlEzMj4AhA7rCAGe4KMBDvJI+AwstrUpVNzEA03Pprs= +github.com/golang/protobuf v1.4.0-rc.4.0.20200313231945-b860323f09d0/go.mod h1:WU3c8KckQ9AFe+yFwt9sWVRKCVIyN9cPHBJSNnbL67w= +github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvqG2KuDX0= +github.com/golang/protobuf v1.4.1/go.mod h1:U8fpvMrcmy5pZrNK1lt4xCsGvpyWQ/VVv6QDs8UjoX8= +github.com/golang/protobuf v1.4.3/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI= +github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk= +github.com/golang/protobuf v1.5.3 h1:KhyjKVUg7Usr/dYsdSqoFveMYd5ko72D+zANwlG1mmg= +github.com/golang/protobuf v1.5.3/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY= +github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M= +github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU= +github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU= +github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE= +github.com/google/go-cmp v0.5.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE= +github.com/google/go-cmp v0.5.3/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE= +github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE= github.com/google/go-cmp v0.5.8 h1:e6P7q2lk1O+qJJb4BtCQXlK8vWEO8V1ZeuEdJNOqZyg= github.com/google/go-cmp v0.5.8/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY= +github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY= +github.com/google/s2a-go v0.1.7 h1:60BLSyTrOV4/haCDW4zb1guZItoSq8foHCXrAnjBo/o= +github.com/google/s2a-go v0.1.7/go.mod h1:50CgR4k1jNlWBu4UfS4AcfhVe1r6pdZPygJ3R8F0Qdw= github.com/google/uuid v1.1.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo= +github.com/google/uuid v1.1.2/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo= github.com/google/uuid v1.3.0 h1:t6JiXgmwXMjEs8VusXIJk2BXHsn+wx8BZdTaoZ5fu7I= github.com/google/uuid v1.3.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo= +github.com/google/uuid v1.4.0 h1:MtMxsa51/r9yyhkyLsVeVt0B+BGQZzpQiTQ4eHZ8bc4= +github.com/google/uuid v1.4.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo= +github.com/googleapis/enterprise-certificate-proxy v0.3.2 h1:Vie5ybvEvT75RniqhfFxPRy3Bf7vr3h0cechB90XaQs= +github.com/googleapis/enterprise-certificate-proxy v0.3.2/go.mod h1:VLSiSSBs/ksPL8kq3OBOQ6WRI2QnaFynd1DCjZ62+V0= +github.com/googleapis/gax-go/v2 v2.12.0 h1:A+gCJKdRfqXkr+BIRGtZLibNXf0m1f9E4HG56etFpas= +github.com/googleapis/gax-go/v2 v2.12.0/go.mod h1:y+aIqrI5eb1YGMVJfuV3185Ts/D7qKpsEkdD5+I6QGU= github.com/hashicorp/go-version v1.6.0 h1:feTTfFNnjP967rlCxM/I9g701jU+RN74YKx2mOkIeek= github.com/hashicorp/go-version v1.6.0/go.mod h1:fltr4n8CU8Ke44wwGCBoEymUuxUHl09ZGVZPK5anwXA= github.com/jmespath/go-jmespath v0.4.0 h1:BEgLn5cpjn8UN1mAw4NjwDrS35OdebyEtFe+9YPoQUg= @@ -73,6 +120,7 @@ github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4= github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0= github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM= github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4= +github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA= github.com/russross/blackfriday/v2 v2.0.1/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM= github.com/russross/blackfriday/v2 v2.1.0 h1:JIOH55/0cWyOuilr9/qlrm0BSXldqnqwMsf35Ld67mk= github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM= @@ -80,33 +128,117 @@ github.com/shurcooL/sanitized_anchor_name v1.0.0/go.mod h1:1NzhyTcUVG4SuEtjjoZeV github.com/sirupsen/logrus v1.8.1 h1:dJKuHgqk1NNQlqoA6BTlM1Wf9DOH3NBjQyu0h9+AZZE= github.com/sirupsen/logrus v1.8.1/go.mod h1:yWOB1SBYBC5VeMP7gHvWumXLIWorT60ONWic61uBYv0= github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME= +github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw= +github.com/stretchr/objx v0.5.0/go.mod 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+honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= diff --git a/internal/tokenutil.go b/internal/tokenutil.go new file mode 100644 index 0000000..f5ac4b2 --- /dev/null +++ b/internal/tokenutil.go @@ -0,0 +1,65 @@ +package internal + +import ( + "context" + "fmt" + + "golang.org/x/oauth2" + "google.golang.org/api/iamcredentials/v1" + "google.golang.org/api/option" + "google.golang.org/api/sts/v1" +) + +type staticTokenSource struct { + token *oauth2.Token +} + +func (s *staticTokenSource) Token() (*oauth2.Token, error) { + return s.token, nil +} + +func GetFederalToken(idToken, projectNumber, poolId, providerId string) (string, error) { + ctx := context.Background() + stsService, err := sts.NewService(ctx, option.WithoutAuthentication()) + if err != nil { + return "", err + } + audience := fmt.Sprintf("//iam.googleapis.com/projects/%s/locations/global/workloadIdentityPools/%s/providers/%s", projectNumber, poolId, providerId) + tokenRequest := &sts.GoogleIdentityStsV1ExchangeTokenRequest{ + GrantType: "urn:ietf:params:oauth:grant-type:token-exchange", + SubjectToken: idToken, + Audience: audience, + Scope: "https://www.googleapis.com/auth/cloud-platform", + RequestedTokenType: "urn:ietf:params:oauth:token-type:access_token", + SubjectTokenType: "urn:ietf:params:oauth:token-type:id_token", + } + tokenResponse, err := stsService.V1.Token(tokenRequest).Do() + if err != nil { + return "", err + } + + return tokenResponse.AccessToken, nil +} + +func GetGoogleCloudAccessToken(federatedToken string, serviceAccountEmail string) (string, error) { + ctx := context.Background() + tokenSource := &staticTokenSource{ + token: &oauth2.Token{AccessToken: federatedToken}, + } + service, err := iamcredentials.NewService(ctx, option.WithTokenSource(tokenSource)) + if err != nil { + return "", err + } + + name := "projects/-/serviceAccounts/" + serviceAccountEmail + rb := &iamcredentials.GenerateAccessTokenRequest{ + Scope: []string{"https://www.googleapis.com/auth/cloud-platform"}, + } + + resp, err := service.Projects.ServiceAccounts.GenerateAccessToken(name, rb).Do() + if err != nil { + return "", err + } + + return resp.AccessToken, nil +} diff --git a/kaniko.go b/kaniko.go index 62d324c..2e5712b 100644 --- a/kaniko.go +++ b/kaniko.go @@ -49,6 +49,7 @@ type ( Registry string // Docker artifact registry RegistryType artifact.RegistryTypeEnum // Rocker artifact registry type ArtifactFile string // Artifact file location + AccessToken string // Access token for registry } // Output defines content of output file @@ -224,7 +225,7 @@ func (p Plugin) Exec() error { if p.Build.TarPath != "" { cmdArgs = append(cmdArgs, fmt.Sprintf("--tar-path=%s", p.Build.TarPath)) } - + cmd := exec.Command("/kaniko/executor", cmdArgs...) cmd.Stdout = os.Stdout cmd.Stderr = os.Stderr