kops/pkg/model/awsmodel/iam_test.go

132 lines
3.4 KiB
Go

/*
Copyright 2021 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 awsmodel
import (
"reflect"
"testing"
"k8s.io/kops/pkg/model/iam"
"k8s.io/kops/pkg/util/stringorset"
)
func TestIAMServiceEC2(t *testing.T) {
expectations := map[string]string{
"us-east-1": "ec2.amazonaws.com",
"randomunknown": "ec2.amazonaws.com",
"us-gov-east-1": "ec2.amazonaws.com",
"cn-north-1": "ec2.amazonaws.com.cn",
"cn-northwest-1": "ec2.amazonaws.com.cn",
}
for region, expect := range expectations {
principal, err := IAMServiceEC2(region)
if err != nil {
t.Errorf("unexpected error: %v", err)
}
if principal != expect {
t.Errorf("expected %s for %s, but received %s", expect, region, principal)
}
}
}
func Test_formatAWSIAMStatement(t *testing.T) {
type args struct {
acountId string
partition string
oidcProvider string
namespace string
name string
}
tests := []struct {
name string
args args
want *iam.Statement
wantErr bool
}{
{
name: "namespace and name without wildcard",
args: args{
acountId: "0123456789",
partition: "aws-test",
oidcProvider: "oidc-test",
namespace: "test",
name: "test",
},
wantErr: false,
want: &iam.Statement{
Effect: "Allow",
Principal: iam.Principal{
Federated: "arn:aws-test:iam::0123456789:oidc-provider/oidc-test",
},
Action: stringorset.String("sts:AssumeRoleWithWebIdentity"),
Condition: map[string]interface{}{
"StringEquals": map[string]interface{}{
"oidc-test:sub": "system:serviceaccount:test:test",
},
},
},
},
{
name: "name contains wildcard",
args: args{
acountId: "0123456789",
partition: "aws-test",
oidcProvider: "oidc-test",
namespace: "test",
name: "test-*",
},
wantErr: true,
},
{
name: "namespace contains wildcard",
args: args{
acountId: "0123456789",
partition: "aws-test",
oidcProvider: "oidc-test",
namespace: "test-*",
name: "test",
},
wantErr: false,
want: &iam.Statement{
Effect: "Allow",
Principal: iam.Principal{
Federated: "arn:aws-test:iam::0123456789:oidc-provider/oidc-test",
},
Action: stringorset.String("sts:AssumeRoleWithWebIdentity"),
Condition: map[string]interface{}{
"StringLike": map[string]interface{}{
"oidc-test:sub": "system:serviceaccount:test-*:test",
},
},
},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got, err := formatAWSIAMStatement(tt.args.acountId, tt.args.partition, tt.args.oidcProvider, tt.args.namespace, tt.args.name)
if (err != nil) != tt.wantErr {
t.Errorf("formatAWSIAMStatement() error = %v, wantErr %v", err, tt.wantErr)
return
}
if !reflect.DeepEqual(got, tt.want) {
t.Errorf("formatAWSIAMStatement() = %v, want %v", got, tt.want)
}
})
}
}