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target_groups.go
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/
target_groups.go
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// Copyright 2021 The PipeCD 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 ecs
import (
"bytes"
"encoding/json"
"fmt"
"github.com/aws/aws-sdk-go-v2/service/ecs/types"
"github.com/pipe-cd/pipecd/pkg/config"
)
func loadTargetGroups(targetGroups config.ECSTargetGroups) (*types.LoadBalancer, *types.LoadBalancer, error) {
if len(targetGroups.Primary) == 0 {
return nil, nil, fmt.Errorf("primary target group definition is required")
}
// Decode Primary target group config.
primary := &types.LoadBalancer{}
primaryDecoder := json.NewDecoder(bytes.NewReader(targetGroups.Primary))
primaryDecoder.DisallowUnknownFields()
err := primaryDecoder.Decode(primary)
if err != nil {
return nil, nil, fmt.Errorf("invalid primary target group definition given: %v", err)
}
canary := &types.LoadBalancer{}
if len(targetGroups.Canary) > 0 {
canaryDecoder := json.NewDecoder(bytes.NewReader(targetGroups.Canary))
canaryDecoder.DisallowUnknownFields()
err := canaryDecoder.Decode(canary)
if err != nil {
return nil, nil, fmt.Errorf("invalid canary target group definition given: %v", err)
}
}
return primary, canary, nil
}