mirror of
https://github.com/goharbor/harbor.git
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101 lines
2.9 KiB
Go
101 lines
2.9 KiB
Go
/*
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Copyright (c) 2016 VMware, Inc. All Rights Reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package job
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import (
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"time"
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"github.com/vmware/harbor/dao"
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"github.com/vmware/harbor/models"
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"github.com/vmware/harbor/utils/log"
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)
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// StateHandler handles transition, it associates with each state, will be called when
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// SM enters and exits a state during a transition.
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type StateHandler interface {
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// Enter returns the next state, if it returns empty string the SM will hold the current state or
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// or decide the next state.
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Enter() (string, error)
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//Exit should be idempotent
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Exit() error
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}
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// DummyHandler is the default implementation of StateHander interface, which has empty Enter and Exit methods.
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type DummyHandler struct {
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JobID int64
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}
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// Enter ...
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func (dh DummyHandler) Enter() (string, error) {
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return "", nil
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}
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// Exit ...
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func (dh DummyHandler) Exit() error {
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return nil
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}
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// StatusUpdater implements the StateHandler interface which updates the status of a job in DB when the job enters
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// a status.
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type StatusUpdater struct {
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DummyHandler
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State string
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}
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// Enter updates the status of a job and returns "_continue" status to tell state machine to move on.
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// If the status is a final status it returns empty string and the state machine will be stopped.
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func (su StatusUpdater) Enter() (string, error) {
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err := dao.UpdateRepJobStatus(su.JobID, su.State)
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if err != nil {
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log.Warningf("Failed to update state of job: %d, state: %s, error: %v", su.JobID, su.State, err)
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}
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var next = models.JobContinue
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if su.State == models.JobStopped || su.State == models.JobError || su.State == models.JobFinished {
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next = ""
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}
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return next, err
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}
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// ImgPuller was for testing
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type ImgPuller struct {
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DummyHandler
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img string
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logger *log.Logger
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}
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// Enter ...
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func (ip ImgPuller) Enter() (string, error) {
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ip.logger.Infof("I'm pretending to pull img:%s, then sleep 30s", ip.img)
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time.Sleep(30 * time.Second)
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ip.logger.Infof("wake up from sleep....")
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return "push-img", nil
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}
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// ImgPusher is a statehandler for testing
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type ImgPusher struct {
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DummyHandler
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targetURL string
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logger *log.Logger
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}
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// Enter ...
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func (ip ImgPusher) Enter() (string, error) {
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ip.logger.Infof("I'm pretending to push img to:%s, then sleep 30s", ip.targetURL)
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time.Sleep(30 * time.Second)
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ip.logger.Infof("wake up from sleep....")
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return models.JobContinue, nil
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}
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