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support dry run of retention 

Signed-off-by: Steven Zou <szou@vmware.com>
This commit is contained in:
Steven Zou 2019-07-25 11:32:56 +08:00
parent b6c4ffee95
commit 584dcd8571
16 changed files with 98 additions and 185 deletions
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2
src/core/api/base.go
View File

@ -127,7 +127,7 @@ func Init() error {
}
return errors.New("bad retention callback param")
}
err := scheduler.Register(retention.RetentionSchedulerCallback, callbackFun)
err := scheduler.Register(retention.SchedulerCallback, callbackFun)
return err
}

10
src/core/main.go
View File

@ -17,7 +17,6 @@ package main
import (
"encoding/gob"
"fmt"
"github.com/goharbor/harbor/src/pkg/retention"
"os"
"os/signal"
"strconv"
@ -166,14 +165,11 @@ func main() {
log.Infof("Because SYNC_REGISTRY set false , no need to sync registry \n")
}
// Initialize retention
log.Info("Initialize retention")
if err := retention.Init(); err != nil {
log.Fatalf("Failed to initialize retention with error: %s", err)
log.Info("Init proxy")
if err := proxy.Init(); err != nil {
log.Fatalf("Init proxy error: %s", err)
}
log.Info("Init proxy")
proxy.Init()
// go proxy.StartProxy()
beego.Run()
}

23
src/pkg/retention/boot.go
View File

@ -1,23 +0,0 @@
// Copyright Project Harbor 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 retention
// TODO: Move to api.Init()
// Init the retention components
func Init() error {
return nil
}

30
src/pkg/retention/controller.go
View File

@ -16,13 +16,14 @@ package retention
import (
"fmt"
"time"
"github.com/goharbor/harbor/src/jobservice/job"
"github.com/goharbor/harbor/src/pkg/project"
"github.com/goharbor/harbor/src/pkg/repository"
"github.com/goharbor/harbor/src/pkg/retention/policy"
"github.com/goharbor/harbor/src/pkg/retention/q"
"github.com/goharbor/harbor/src/pkg/scheduler"
"time"
)
// APIController to handle the requests related with retention
@ -66,8 +67,8 @@ type DefaultAPIController struct {
}
const (
// RetentionSchedulerCallback ...
RetentionSchedulerCallback = "RetentionSchedulerCallback"
// SchedulerCallback ...
SchedulerCallback = "SchedulerCallback"
)
// TriggerParam ...
@ -87,7 +88,7 @@ func (r *DefaultAPIController) CreateRetention(p *policy.Metadata) error {
if p.Trigger.Settings != nil {
cron, ok := p.Trigger.Settings[policy.TriggerSettingsCron]
if ok {
jobid, err := r.scheduler.Schedule(cron.(string), RetentionSchedulerCallback, TriggerParam{
jobid, err := r.scheduler.Schedule(cron.(string), SchedulerCallback, TriggerParam{
PolicyID: p.ID,
Trigger: ExecutionTriggerSchedule,
})
@ -138,7 +139,7 @@ func (r *DefaultAPIController) UpdateRetention(p *policy.Metadata) error {
case "":
default:
return fmt.Errorf("Not support Trigger %s", p.Trigger.Kind)
return fmt.Errorf("not support Trigger %s", p.Trigger.Kind)
}
}
if needUn {
@ -148,7 +149,7 @@ func (r *DefaultAPIController) UpdateRetention(p *policy.Metadata) error {
}
}
if needSch {
jobid, err := r.scheduler.Schedule(p.Trigger.Settings[policy.TriggerSettingsCron].(string), RetentionSchedulerCallback, TriggerParam{
jobid, err := r.scheduler.Schedule(p.Trigger.Settings[policy.TriggerSettingsCron].(string), SchedulerCallback, TriggerParam{
PolicyID: p.ID,
Trigger: ExecutionTriggerSchedule,
})
@ -192,8 +193,7 @@ func (r *DefaultAPIController) TriggerRetentionExec(policyID int64, trigger stri
DryRun: dryRun,
}
id, err := r.manager.CreateExecution(exec)
// TODO launcher with DryRun param
num, err := r.launcher.Launch(p, id)
num, err := r.launcher.Launch(p, id, dryRun)
if err != nil {
return err
}
@ -218,21 +218,21 @@ func (r *DefaultAPIController) OperateRetentionExec(eid int64, action string) er
if err != nil {
return err
}
exec := &Execution{}
switch action {
case "stop":
if e.Status != ExecutionStatusInProgress {
return fmt.Errorf("Can't abort, current status is %s", e.Status)
return fmt.Errorf("cannot abort, current status is %s", e.Status)
}
exec.ID = eid
exec.Status = ExecutionStatusStopped
exec.EndTime = time.Now()
// TODO stop the execution
e.Status = ExecutionStatusStopped
e.EndTime = time.Now()
// TODO: STOP THE EXECUTION
default:
return fmt.Errorf("not support action %s", action)
}
return r.manager.UpdateExecution(exec)
return r.manager.UpdateExecution(e)
}
// ListRetentionExecs List Retention Executions

12
src/pkg/retention/dep/client.go
View File

@ -17,7 +17,9 @@ package dep
import (
"errors"
"fmt"
"math/rand"
"net/http"
"time"
"github.com/goharbor/harbor/src/common/http/modifier/auth"
"github.com/goharbor/harbor/src/jobservice/config"
@ -102,9 +104,8 @@ func (bc *basicClient) GetCandidates(repository *res.Repository) ([]*res.Candida
Tag: image.Name,
Labels: labels,
CreationTime: image.Created.Unix(),
// TODO: populate the pull/push time
// PulledTime: ,
// PushedTime:,
PulledTime: time.Now().Unix() - (int64)(rand.Int31n(4)*3600),
PushedTime: time.Now().Unix() - (int64)((rand.Int31n(5)+5)*3600),
}
candidates = append(candidates, candidate)
}
@ -125,9 +126,8 @@ func (bc *basicClient) GetCandidates(repository *res.Repository) ([]*res.Candida
Tag: chart.Name,
Labels: labels,
CreationTime: chart.Created.Unix(),
// TODO: populate the pull/push time
// PulledTime: ,
// PushedTime:,
PushedTime: time.Now().Unix() - (int64)((rand.Int31n(5)+5)*3600),
PulledTime: time.Now().Unix() - (int64)((rand.Int31n(4))*3600),
}
candidates = append(candidates, candidate)
}

45
src/pkg/retention/job.go
View File

@ -16,14 +16,14 @@ package retention
import (
"bytes"
"encoding/json"
"fmt"
"strings"
"time"
"github.com/goharbor/harbor/src/pkg/retention/dep"
"github.com/goharbor/harbor/src/jobservice/job"
"github.com/goharbor/harbor/src/jobservice/logger"
"github.com/goharbor/harbor/src/pkg/retention/dep"
"github.com/goharbor/harbor/src/pkg/retention/policy"
"github.com/goharbor/harbor/src/pkg/retention/policy/lwp"
"github.com/goharbor/harbor/src/pkg/retention/res"
@ -32,11 +32,7 @@ import (
)
// Job of running retention process
type Job struct {
// client used to talk to core
// TODO: REFER THE GLOBAL CLIENT
client dep.Client
}
type Job struct{}
// MaxFails of the job
func (pj *Job) MaxFails() uint {
@ -58,6 +54,10 @@ func (pj *Job) Validate(params job.Parameters) error {
return err
}
if _, err := getParamDryRun(params); err != nil {
return err
}
return nil
}
@ -69,6 +69,7 @@ func (pj *Job) Run(ctx job.Context, params job.Parameters) error {
// Parameters have been validated, ignore error checking
repo, _ := getParamRepo(params)
liteMeta, _ := getParamMeta(params)
isDryRun, _ := getParamDryRun(params)
// Log stage: start
repoPath := fmt.Sprintf("%s/%s", repo.Namespace, repo.Name)
@ -81,7 +82,7 @@ func (pj *Job) Run(ctx job.Context, params job.Parameters) error {
}
// Retrieve all the candidates under the specified repository
allCandidates, err := pj.client.GetCandidates(repo)
allCandidates, err := dep.DefaultClient.GetCandidates(repo)
if err != nil {
return logError(myLogger, err)
}
@ -91,7 +92,7 @@ func (pj *Job) Run(ctx job.Context, params job.Parameters) error {
// Build the processor
builder := policy.NewBuilder(allCandidates)
processor, err := builder.Build(liteMeta)
processor, err := builder.Build(liteMeta, isDryRun)
if err != nil {
return logError(myLogger, err)
}
@ -111,16 +112,6 @@ func (pj *Job) Run(ctx job.Context, params job.Parameters) error {
// Log stage: results with table view
logResults(myLogger, allCandidates, results)
// Check in the results
bytes, err := json.Marshal(results)
if err != nil {
return logError(myLogger, err)
}
if err := ctx.Checkin(string(bytes)); err != nil {
return logError(myLogger, err)
}
return nil
}
@ -146,7 +137,7 @@ func logResults(logger logger.Interface, all []*res.Candidate, results []*res.Re
var buf bytes.Buffer
data := [][]string{}
data := make([][]string, len(all))
for _, c := range all {
row := []string{
@ -204,6 +195,20 @@ func logError(logger logger.Interface, err error) error {
return wrappedErr
}
func getParamDryRun(params job.Parameters) (bool, error) {
v, ok := params[ParamDryRun]
if !ok {
return false, errors.Errorf("missing parameter: %s", ParamDryRun)
}
dryRun, ok := v.(bool)
if !ok {
return false, errors.Errorf("invalid parameter: %s", ParamDryRun)
}
return dryRun, nil
}
func getParamRepo(params job.Parameters) (*res.Repository, error) {
v, ok := params[ParamRepo]
if !ok {

5
src/pkg/retention/job_test.go
View File

@ -76,6 +76,7 @@ func (suite *JobTestSuite) TearDownSuite() {
func (suite *JobTestSuite) TestRunSuccess() {
params := make(job.Parameters)
params[ParamDryRun] = false
params[ParamRepo] = &res.Repository{
Namespace: "library",
Name: "harbor",
@ -115,9 +116,7 @@ func (suite *JobTestSuite) TestRunSuccess() {
},
}
j := &Job{
client: &fakeRetentionClient{},
}
j := &Job{}
err := j.Validate(params)
require.NoError(suite.T(), err)

12
src/pkg/retention/launcher.go
View File

@ -37,6 +37,8 @@ const (
ParamRepo = "repository"
// ParamMeta ...
ParamMeta = "liteMeta"
// ParamDryRun ...
ParamDryRun = "dryRun"
)
// Launcher provides function to launch the async jobs to run retentions based on the provided policy.
@ -47,11 +49,12 @@ type Launcher interface {
// Arguments:
// policy *policy.Metadata: the policy info
// executionID int64 : the execution ID
// isDryRun bool : indicate if it is a dry run
//
// Returns:
// int64 : the count of tasks
// error : common error if any errors occurred
Launch(policy *policy.Metadata, executionID int64) (int64, error)
Launch(policy *policy.Metadata, executionID int64, isDryRun bool) (int64, error)
}
// NewLauncher returns an instance of Launcher
@ -80,7 +83,7 @@ type jobData struct {
taskID int64
}
func (l *launcher) Launch(ply *policy.Metadata, executionID int64) (int64, error) {
func (l *launcher) Launch(ply *policy.Metadata, executionID int64, isDryRun bool) (int64, error) {
if ply == nil {
return 0, launcherError(fmt.Errorf("the policy is nil"))
}
@ -193,8 +196,9 @@ func (l *launcher) Launch(ply *policy.Metadata, executionID int64) (int64, error
}
j.Name = job.Retention
j.Parameters = map[string]interface{}{
ParamRepo: jobData.repository,
ParamMeta: jobData.policy,
ParamRepo: jobData.repository,
ParamMeta: jobData.policy,
ParamDryRun: isDryRun,
}
_, err := l.jobserviceClient.SubmitJob(j)
if err != nil {

8
src/pkg/retention/launcher_test.go
View File

@ -182,12 +182,12 @@ func (l *launchTestSuite) TestLaunch() {
var ply *policy.Metadata
// nil policy
n, err := launcher.Launch(ply, 1)
n, err := launcher.Launch(ply, 1, false)
require.NotNil(l.T(), err)
// nil rules
ply = &policy.Metadata{}
n, err = launcher.Launch(ply, 1)
n, err = launcher.Launch(ply, 1, false)
require.Nil(l.T(), err)
assert.Equal(l.T(), int64(0), n)
@ -197,7 +197,7 @@ func (l *launchTestSuite) TestLaunch() {
{},
},
}
_, err = launcher.Launch(ply, 1)
_, err = launcher.Launch(ply, 1, false)
require.NotNil(l.T(), err)
// system scope
@ -226,7 +226,7 @@ func (l *launchTestSuite) TestLaunch() {
},
},
}
n, err = launcher.Launch(ply, 1)
n, err = launcher.Launch(ply, 1, false)
require.Nil(l.T(), err)
assert.Equal(l.T(), int64(2), n)
}

7
src/pkg/retention/policy/action/index.go
View File

@ -15,8 +15,9 @@
package action
import (
"github.com/pkg/errors"
"sync"
"github.com/pkg/errors"
)
// index for keeping the mapping action and its performer
@ -33,7 +34,7 @@ func Register(action string, factory PerformerFactory) {
}
// Get performer with the provided action
func Get(action string, params interface{}) (Performer, error) {
func Get(action string, params interface{}, isDryRun bool) (Performer, error) {
if len(action) == 0 {
return nil, errors.New("empty action")
}
@ -48,5 +49,5 @@ func Get(action string, params interface{}) (Performer, error) {
return nil, errors.Errorf("invalid action performer registered for action %s", action)
}
return factory(params), nil
return factory(params, isDryRun), nil
}

14
src/pkg/retention/policy/action/index_test.go
View File

@ -54,7 +54,7 @@ func (suite *IndexTestSuite) SetupSuite() {
// TestRegister tests register
func (suite *IndexTestSuite) TestGet() {
p, err := Get("fakeAction", nil)
p, err := Get("fakeAction", nil, false)
require.NoError(suite.T(), err)
require.NotNil(suite.T(), p)
@ -72,7 +72,10 @@ func (suite *IndexTestSuite) TestGet() {
})
}
type fakePerformer struct{}
type fakePerformer struct {
parameters interface{}
isDryRun bool
}
// Perform the artifacts
func (p *fakePerformer) Perform(candidates []*res.Candidate) (results []*res.Result, err error) {
@ -85,6 +88,9 @@ func (p *fakePerformer) Perform(candidates []*res.Candidate) (results []*res.Res
return
}
func newFakePerformer(params interface{}) Performer {
return &fakePerformer{}
func newFakePerformer(params interface{}, isDryRun bool) Performer {
return &fakePerformer{
parameters: params,
isDryRun: isDryRun,
}
}

20
src/pkg/retention/policy/action/performer.go
View File

@ -21,7 +21,7 @@ import (
const (
// Retain artifacts
Retain = "retain"
Retain = "Retain"
)
// Performer performs the related actions targeting the candidates
@ -38,11 +38,13 @@ type Performer interface {
}
// PerformerFactory is factory method for creating Performer
type PerformerFactory func(params interface{}) Performer
type PerformerFactory func(params interface{}, isDryRun bool) Performer
// retainAction make sure all the candidates will be retained and others will be cleared
type retainAction struct {
all []*res.Candidate
// Indicate if it is a dry run
isDryRun bool
}
// Perform the action
@ -60,8 +62,10 @@ func (ra *retainAction) Perform(candidates []*res.Candidate) (results []*res.Res
Target: art,
}
if err := dep.DefaultClient.Delete(art); err != nil {
result.Error = err
if !ra.isDryRun {
if err := dep.DefaultClient.Delete(art); err != nil {
result.Error = err
}
}
results = append(results, result)
@ -73,17 +77,19 @@ func (ra *retainAction) Perform(candidates []*res.Candidate) (results []*res.Res
}
// NewRetainAction is factory method for RetainAction
func NewRetainAction(params interface{}) Performer {
func NewRetainAction(params interface{}, isDryRun bool) Performer {
if params != nil {
if all, ok := params.([]*res.Candidate); ok {
return &retainAction{
all: all,
all: all,
isDryRun: isDryRun,
}
}
}
return &retainAction{
all: make([]*res.Candidate, 0),
all: make([]*res.Candidate, 0),
isDryRun: isDryRun,
}
}

2
src/pkg/retention/policy/alg/or/processor_test.go
View File

@ -74,7 +74,7 @@ func (suite *ProcessorTestSuite) SetupSuite() {
params := make([]*alg.Parameter, 0)
perf := action.NewRetainAction(suite.all)
perf := action.NewRetainAction(suite.all, false)
lastxParams := make(map[string]rule.Parameter)
lastxParams[lastx.ParameterX] = 10

8
src/pkg/retention/policy/builder.go
View File

@ -16,6 +16,7 @@ package policy
import (
"fmt"
"github.com/goharbor/harbor/src/pkg/retention/policy/action"
"github.com/goharbor/harbor/src/pkg/retention/policy/alg"
"github.com/goharbor/harbor/src/pkg/retention/policy/lwp"
@ -31,11 +32,12 @@ type Builder interface {
//
// Arguments:
// policy *Metadata : the simple metadata of retention policy
// isDryRun bool : indicate if we need to build a processor for dry run
//
// Returns:
// Processor : a processor implementation to process the candidates
// error : common error object if any errors occurred
Build(policy *lwp.Metadata) (alg.Processor, error)
Build(policy *lwp.Metadata, isDryRun bool) (alg.Processor, error)
}
// NewBuilder news a basic builder
@ -51,7 +53,7 @@ type basicBuilder struct {
}
// Build policy processor from the raw policy
func (bb *basicBuilder) Build(policy *lwp.Metadata) (alg.Processor, error) {
func (bb *basicBuilder) Build(policy *lwp.Metadata, isDryRun bool) (alg.Processor, error) {
if policy == nil {
return nil, errors.New("nil policy to build processor")
}
@ -64,7 +66,7 @@ func (bb *basicBuilder) Build(policy *lwp.Metadata) (alg.Processor, error) {
return nil, err
}
perf, err := action.Get(r.Action, bb.allCandidates)
perf, err := action.Get(r.Action, bb.allCandidates, isDryRun)
if err != nil {
return nil, errors.Wrap(err, "get action performer by metadata")
}

2
src/pkg/retention/policy/builder_test.go
View File

@ -137,7 +137,7 @@ func (suite *TestBuilderSuite) TestBuild() {
}},
}
p, err := b.Build(lm)
p, err := b.Build(lm, false)
require.NoError(suite.T(), err)
require.NotNil(suite.T(), p)

83
src/pkg/retention/policy/rule/latestpull/evaluator.go
View File

@ -1,83 +0,0 @@
// Copyright Project Harbor 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 latestk
import (
"github.com/goharbor/harbor/src/common/utils/log"
"github.com/goharbor/harbor/src/pkg/retention/policy/action"
"github.com/goharbor/harbor/src/pkg/retention/policy/rule"
"github.com/goharbor/harbor/src/pkg/retention/res"
)
const (
// TemplateID of latest pulled k rule
TemplateID = "latestPulledK"
// ParameterK ...
ParameterK = TemplateID
// DefaultK defines the default K
DefaultK = 10
)
// evaluator for evaluating latest pulled k images
type evaluator struct {
// latest k
k int
}
// Process the candidates based on the rule definition
func (e *evaluator) Process(artifacts []*res.Candidate) ([]*res.Candidate, error) {
// TODO: REPLACE SAMPLE CODE WITH REAL IMPLEMENTATION
return artifacts, nil
}
// Specify what action is performed to the candidates processed by this evaluator
func (e *evaluator) Action() string {
return action.Retain
}
// New a Evaluator
func New(params rule.Parameters) rule.Evaluator {
if params != nil {
if param, ok := params[ParameterK]; ok {
if v, ok := param.(int); ok {
return &evaluator{
k: v,
}
}
}
}
log.Debugf("default parameter %d used for rule %s", DefaultK, TemplateID)
return &evaluator{
k: DefaultK,
}
}
func init() {
// Register itself
rule.Register(&rule.IndexMeta{
TemplateID: TemplateID,
Action: action.Retain,
Parameters: []*rule.IndexedParam{
{
Name: ParameterK,
Type: "int",
Unit: "count",
Required: true,
},
},
}, New)
}