woodpecker/agent/state.go

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// Copyright 2018 Drone.IO 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 agent
import (
"encoding/json"
"io"
"sync"
"time"
)
type State struct {
sync.Mutex `json:"-"`
Polling int `json:"polling_count"`
Running int `json:"running_count"`
Metadata map[string]Info `json:"running"`
}
type Info struct {
ID string `json:"id"`
Repo string `json:"repository"`
Build string `json:"build_number"`
Started time.Time `json:"build_started"`
Timeout time.Duration `json:"build_timeout"`
}
func (s *State) Add(id string, timeout time.Duration, repo, build string) {
s.Lock()
s.Polling--
s.Running++
s.Metadata[id] = Info{
ID: id,
Repo: repo,
Build: build,
Timeout: timeout,
Started: time.Now().UTC(),
}
s.Unlock()
}
func (s *State) Done(id string) {
s.Lock()
s.Polling++
s.Running--
delete(s.Metadata, id)
s.Unlock()
}
func (s *State) Healthy() bool {
s.Lock()
defer s.Unlock()
now := time.Now()
buf := time.Hour // 1 hour buffer
for _, item := range s.Metadata {
if now.After(item.Started.Add(item.Timeout).Add(buf)) {
return false
}
}
return true
}
func (s *State) WriteTo(w io.Writer) (int64, error) {
s.Lock()
out, _ := json.Marshal(s)
s.Unlock()
ret, err := w.Write(out)
return int64(ret), err
}