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properties.go
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properties.go
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// Copyright 2023 Cisco Systems, Inc. and its affiliates
//
// 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.
//
// SPDX-License-Identifier: Apache-2.0
package aws
import (
"github.com/cisco-open/go-lanai/pkg/bootstrap"
"github.com/pkg/errors"
)
const (
ConfigRootACM = "aws"
)
const (
CredentialsTypeStatic CredentialsType = `static`
CredentialsTypeSTS CredentialsType = `sts`
)
type CredentialsType string
// Properties describes common config used to consume AWS services
type Properties struct {
//Region for AWS client defaults to us-east-1
Region string `json:"region"`
//Endpoint for AWS client default empty can be used to override if consuming localstack
Endpoint string `json:"endpoint"`
//Credentials to be used to authenticate the AWS client
Credentials Credentials `json:"credentials"`
}
// Credentials defines the type of credentials to use for AWS
type Credentials struct {
//Type is one of static, env or sts. Defaults to env.
Type CredentialsType `json:"type"`
//The following is only relevant to static credential
//Id is the AWS_ACCESS_KEY_ID for the account
Id string `json:"id"`
//Secret is the AWS_SECRET_ACCESS_KEY
Secret string `json:"secret"`
//The follow is relevant to sts credentials (Used in EKS)
//RoleARN defines role to be assumed by application if omitted environment variable AWS_ROLE_ARN will be used
RoleARN string `json:"role-arn"`
//TokenFile is the path to the STS OIDC token file if omitted environment variable AWS_WEB_IDENTITY_TOKEN_FILE will be used
TokenFile string `json:"token-file"`
//RoleSessionName username to associate with session e.g. service account
RoleSessionName string `json:"role-session-name"`
}
func NewProperties() Properties {
return Properties{
Region: "us-east-1",
Credentials: Credentials{
Type: "env",
},
}
}
func BindAwsProperties(ctx *bootstrap.ApplicationContext) Properties {
props := NewProperties()
if err := ctx.Config().Bind(&props, ConfigRootACM); err != nil {
panic(errors.Wrap(err, "failed to bind acm.Properties"))
}
return props
}