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oidc.go
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oidc.go
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package framework
import (
"context"
"fmt"
"net/url"
"os"
"path"
"path/filepath"
"github.com/aws/eks-anywhere/internal/pkg/api"
"github.com/aws/eks-anywhere/internal/pkg/oidc"
anywherev1 "github.com/aws/eks-anywhere/pkg/api/v1alpha1"
"github.com/aws/eks-anywhere/pkg/cluster"
"github.com/aws/eks-anywhere/pkg/executables"
)
const (
OIDCIssuerUrlVar = "T_OIDC_ISSUER_URL"
OIDCClientIdVar = "T_OIDC_CLIENT_ID"
OIDCKidVar = "T_OIDC_KID"
OIDCKeyFileVar = "T_OIDC_KEY_FILE"
)
var oidcRequiredEnvVars = []string{
OIDCIssuerUrlVar,
OIDCClientIdVar,
OIDCKidVar,
OIDCKeyFileVar,
}
func WithOIDC() ClusterE2ETestOpt {
return func(e *ClusterE2ETest) {
checkRequiredEnvVars(e.T, oidcRequiredEnvVars)
if e.ClusterConfig.OIDCConfigs == nil {
e.ClusterConfig.OIDCConfigs = make(map[string]*anywherev1.OIDCConfig, 1)
}
e.ClusterConfig.OIDCConfigs[defaultClusterName] = api.NewOIDCConfig(defaultClusterName,
api.WithOIDCRequiredClaims("kubernetesAccess", "true"),
api.WithOIDCGroupsPrefix("s3-oidc:"),
api.WithOIDCGroupsClaim("groups"),
api.WithOIDCUsernamePrefix("s3-oidc:"),
api.WithOIDCUsernameClaim("email"),
api.WithStringFromEnvVarOIDCConfig(OIDCIssuerUrlVar, api.WithOIDCIssuerUrl),
api.WithStringFromEnvVarOIDCConfig(OIDCClientIdVar, api.WithOIDCClientId),
)
e.clusterFillers = append(e.clusterFillers,
api.WithOIDCIdentityProviderRef(defaultClusterName),
)
}
}
// WithOIDCConfig sets oidc in cluster config.
func WithOIDCConfig() api.ClusterConfigFiller {
return api.JoinClusterConfigFillers(func(config *cluster.Config) {
config.OIDCConfigs[defaultClusterName] = api.NewOIDCConfig(defaultClusterName,
api.WithOIDCRequiredClaims("kubernetesAccess", "true"),
api.WithOIDCGroupsPrefix("s3-oidc:"),
api.WithOIDCGroupsClaim("groups"),
api.WithOIDCUsernamePrefix("s3-oidc:"),
api.WithOIDCUsernameClaim("email"),
api.WithStringFromEnvVarOIDCConfig(OIDCIssuerUrlVar, api.WithOIDCIssuerUrl),
api.WithStringFromEnvVarOIDCConfig(OIDCClientIdVar, api.WithOIDCClientId),
)
}, api.ClusterToConfigFiller(api.WithOIDCIdentityProviderRef(defaultClusterName)))
}
func (e *ClusterE2ETest) ValidateOIDC() {
ctx := context.Background()
cluster := e.Cluster()
e.T.Log("Creating roles for OIDC")
err := e.KubectlClient.ApplyKubeSpecFromBytes(ctx, cluster, oidcRoles)
if err != nil {
e.T.Errorf("Error applying roles for oids: %v", err)
return
}
issuerUrl, err := url.Parse(os.Getenv(OIDCIssuerUrlVar))
if err != nil {
e.T.Errorf("Error parsing oidc issuer url: %v", err)
return
}
kid := os.Getenv(OIDCKidVar)
keyFile := os.Getenv(OIDCKeyFileVar)
e.T.Log("Generating OIDC JWT token")
jwt, err := oidc.NewJWT(
path.Join(issuerUrl.Host, issuerUrl.Path),
kid,
keyFile,
oidc.WithEmail("oidcuser@aws.com"),
oidc.WithGroup("developers"),
oidc.WithRole("dev"),
oidc.WithKubernetesAccess(true),
oidc.WithAudience(kid),
)
if err != nil {
e.T.Errorf("Error generating JWT token for oidc: %v", err)
return
}
apiServerUrl, err := e.KubectlClient.GetApiServerUrl(ctx, cluster)
if err != nil {
e.T.Errorf("Error getting api server url: %v", err)
return
}
e.T.Log("Getting pods with OIDC token")
_, err = e.KubectlClient.GetPods(
ctx,
executables.WithKubeconfig(filepath.Join(e.ClusterName, fmt.Sprintf("%s-eks-a-cluster.kubeconfig", e.ClusterName))),
executables.WithServer(apiServerUrl),
executables.WithToken(jwt),
executables.WithSkipTLSVerify(),
executables.WithAllNamespaces(),
)
if err != nil {
e.T.Errorf("Error getting pods: %v", err)
}
e.T.Log("Getting deployments with OIDC token")
_, err = e.KubectlClient.GetDeployments(
ctx,
executables.WithKubeconfig(filepath.Join(e.ClusterName, fmt.Sprintf("%s-eks-a-cluster.kubeconfig", e.ClusterName))),
executables.WithServer(apiServerUrl),
executables.WithToken(jwt),
executables.WithSkipTLSVerify(),
executables.WithAllNamespaces(),
)
if err != nil {
e.T.Errorf("Error getting deployments: %v", err)
}
}
// WithOIDCEnvVarCheck returns a ClusterE2ETestOpt that checks for the required env vars.
func WithOIDCEnvVarCheck() ClusterE2ETestOpt {
return func(e *ClusterE2ETest) {
checkRequiredEnvVars(e.T, oidcRequiredEnvVars)
}
}