drone/job/pubsub.go

71 lines
1.8 KiB
Go

// Copyright 2023 Harness, Inc.
//
// 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 job
import (
"bytes"
"context"
"encoding/gob"
"fmt"
"github.com/harness/gitness/pubsub"
)
const (
PubSubTopicCancelJob = "gitness:job:cancel_job"
PubSubTopicStateChange = "gitness:job:state_change"
)
func encodeStateChange(job *Job) ([]byte, error) {
stateChange := &StateChange{
UID: job.UID,
Type: job.Type,
State: job.State,
Progress: job.RunProgress,
Result: job.Result,
Failure: job.LastFailureError,
}
buffer := bytes.NewBuffer(nil)
if err := gob.NewEncoder(buffer).Encode(stateChange); err != nil {
return nil, err
}
return buffer.Bytes(), nil
}
func DecodeStateChange(payload []byte) (*StateChange, error) {
stateChange := &StateChange{}
if err := gob.NewDecoder(bytes.NewReader(payload)).Decode(stateChange); err != nil {
return nil, err
}
return stateChange, nil
}
func publishStateChange(ctx context.Context, publisher pubsub.Publisher, job *Job) error {
payload, err := encodeStateChange(job)
if err != nil {
return fmt.Errorf("failed to gob encode StateChange: %w", err)
}
err = publisher.Publish(ctx, PubSubTopicStateChange, payload)
if err != nil {
return fmt.Errorf("failed to publish StateChange: %w", err)
}
return nil
}