fix: move default purge on configuration

engine/api/api.go

@@ -202,7 +202,8 @@ type Configuration struct {
 		Error   string `toml:"error" comment:"Help displayed to user on each error. Warning: this message could be view by anonymous user. Markdown accepted." json:"error" default:""`
 	} `toml:"help" comment:"######################\n 'Help' informations \n######################" json:"help"`
 	Workflow struct {
-		MaxRuns int64 `toml:"maxRuns" comment:"Maximum of runs by workflow" json:"maxRuns" default:"255"`
+		MaxRuns                int64  `toml:"maxRuns" comment:"Maximum of runs by workflow" json:"maxRuns" default:"255"`
+		DefaultRetentionPolicy string `toml:"defaultRetentionPolicy" comment:"Default rule for workflow run retention policy, this rule can be overridden on each workflow.\n Example: 'return run_days_before < 365' keeps runs for one year." json:"defaultRetentionPolicy" default:"return run_days_before < 365"`
 	} `toml:"workflow" comment:"######################\n 'Workflow' global configuration \n######################" json:"workflow"`
 }
 
@@ -814,6 +815,10 @@ func (a *API) Serve(ctx context.Context) error {
 		func(ctx context.Context) {
 			metrics.Init(ctx, a.DBConnectionFactory.GetDBMap(gorpmapping.Mapper))
 		})
+	// init purge
+	if err := purge.SetDefaultRunRetentionPolicy(a.Config.Workflow.DefaultRetentionPolicy); err != nil {
+		return err
+	}
 	a.GoRoutines.Run(ctx, "Purge-MarkRuns",
 		func(ctx context.Context) {
 			purge.MarkRunsAsDelete(ctx, a.Cache, a.DBConnectionFactory.GetDBMap(gorpmapping.Mapper), a.Metrics.WorkflowRunsMarkToDelete)

engine/api/api_routes.go

@@ -369,6 +369,7 @@ func (api *API) InitRouter() {
 	r.Handle("/config/user", ScopeNone(), r.GET(api.ConfigUserHandler, service.OverrideAuth(service.NoAuthMiddleware)))
 	r.Handle("/config/vcs", ScopeNone(), r.GET(api.ConfigVCShandler))
 	r.Handle("/config/cdn", ScopeNone(), r.GET(api.ConfigCDNHandler))
+	r.Handle("/config/api", ScopeNone(), r.GET(api.ConfigAPIHandler))
 
 	// Users
 	r.Handle("/user", Scope(sdk.AuthConsumerScopeUser), r.GET(api.getUsersHandler))

engine/api/config.go

@@ -48,3 +48,11 @@ func (api *API) ConfigCDNHandler() service.Handler {
 			http.StatusOK)
 	}
 }
+
+func (api *API) ConfigAPIHandler() service.Handler {
+	return func(ctx context.Context, w http.ResponseWriter, r *http.Request) error {
+		return service.WriteJSON(w, sdk.APIConfig{
+			DefaultRunRetentionPolicy: api.Config.Workflow.DefaultRetentionPolicy,
+		}, http.StatusOK)
+	}
+}

engine/api/purge/purge.go

@@ -3,6 +3,7 @@ package purge
 import (
 	"context"
 	"database/sql"
+	"fmt"
 	"net/http"
 	"time"
 
@@ -22,6 +23,16 @@ import (
 	"github.com/ovh/cds/sdk/telemetry"
 )
 
+var defaultRunRetentionPolicy string
+
+func SetDefaultRunRetentionPolicy(rule string) error {
+	if rule == "" {
+		return sdk.WithStack(fmt.Errorf("invalid empty rule for default workflow run retention policy"))
+	}
+	defaultRunRetentionPolicy = rule
+	return nil
+}
+
 // MarkRunsAsDelete mark workflow run as delete
 func MarkRunsAsDelete(ctx context.Context, store cache.Store, DBFunc func() *gorp.DbMap, workflowRunsMarkToDelete *stats.Int64Measure) {
 	tickMark := time.NewTicker(15 * time.Minute)

engine/api/purge/purge_run.go

@@ -171,12 +171,17 @@ func applyRetentionPolicyOnRun(ctx context.Context, db *gorp.DbMap, wf sdk.Workf
 		return true, err
 	}
 
+	retentionPolicy := defaultRunRetentionPolicy
+	if wf.RetentionPolicy != "" {
+		retentionPolicy = wf.RetentionPolicy
+	}
+
 	// Enabling strict checks on variables to prevent errors on rule definition
 	if err := luaCheck.EnableStrict(); err != nil {
 		return true, sdk.WithStack(err)
 	}
 
-	if err := luaCheck.Perform(wf.RetentionPolicy); err != nil {
+	if err := luaCheck.Perform(retentionPolicy); err != nil {
 		return true, sdk.NewErrorFrom(sdk.ErrWrongRequest, "unable to apply retention policy on workflow %s/%s: %v", wf.ProjectKey, wf.Name, err)
 	}
 

engine/api/workflow/dao.go

@@ -312,9 +312,6 @@ func Insert(ctx context.Context, db gorpmapper.SqlExecutorWithTx, store cache.St
 	if w.HistoryLength == 0 {
 		w.HistoryLength = sdk.DefaultHistoryLength
 	}
-	if w.RetentionPolicy == "" {
-		w.RetentionPolicy = sdk.DefaultRetentionRule
-	}
 	w.MaxRuns = maxRuns
 
 	w.LastModified = time.Now()
@@ -638,15 +635,6 @@ func Update(ctx context.Context, db gorpmapper.SqlExecutorWithTx, store cache.St
 		}
 	}
 
-	// Set or keep RetentionPolicy
-	if wf.RetentionPolicy == "" {
-		if oldWf.RetentionPolicy == "" {
-			wf.RetentionPolicy = sdk.DefaultRetentionRule
-		} else {
-			wf.RetentionPolicy = oldWf.RetentionPolicy
-		}
-	}
-
 	// Keep MaxRun
 	wf.MaxRuns = oldWf.MaxRuns
 	if err := DeleteWorkflowData(db, *oldWf); err != nil {

engine/sql/api/227_workflow_retention.sql

@@ -0,0 +1,5 @@
+-- +migrate Up
+UPDATE workflow SET retention_policy = '' WHERE retention_policy='return (git_branch_exist == "false" and run_days_before < 2) or run_days_before < 365';
+
+-- +migrate Down
+UPDATE workflow SET retention_policy = 'return (git_branch_exist == "false" and run_days_before < 2) or run_days_before < 365' WHERE retention_policy = '';

sdk/config.go

@@ -11,6 +11,10 @@ type ConfigUser struct {
 	URLAPI string `json:"url.api"`
 }
 
+type APIConfig struct {
+	DefaultRunRetentionPolicy string `json:"default_run_retention_policy"`
+}
+
 type TCPServer struct {
 	Addr               string `toml:"addr" default:"" comment:"Listen address without port, example: 127.0.0.1" json:"addr"`
 	Port               int    `toml:"port" default:"8090" json:"port"`

sdk/exportentities/v2/workflow.go

@@ -156,7 +156,7 @@ func NewWorkflow(ctx context.Context, w sdk.Workflow, version string, opts ...Ex
 		exportedWorkflow.HistoryLength = &w.HistoryLength
 	}
 
-	if w.RetentionPolicy != "" && w.RetentionPolicy != sdk.DefaultRetentionRule {
+	if w.RetentionPolicy != "" {
 		exportedWorkflow.RetentionPolicy = &w.RetentionPolicy
 	}
 

sdk/workflow.go

@@ -13,8 +13,7 @@ import (
 
 // DefaultHistoryLength is the default history length
 const (
-	DefaultHistoryLength int64  = 20
-	DefaultRetentionRule string = "return (git_branch_exist == \"false\" and run_days_before < 2) or run_days_before < 365"
+	DefaultHistoryLength int64 = 20
 )
 
 // ColorRegexp represent the regexp for a format to hexadecimal color

ui/angular.json

@@ -58,6 +58,7 @@
               "node_modules/codemirror/mode/lua/lua.js",
               "node_modules/codemirror/addon/edit/matchbrackets.js",
               "node_modules/codemirror/addon/display/autorefresh.js",
+              "node_modules/codemirror/addon/display/placeholder.js",
               "node_modules/js-yaml/dist/js-yaml.js",
               "resources/cds-hint.js",
               "node_modules/ansi_up/ansi_up.js",

ui/src/app/model/config.service.ts

@@ -0,0 +1,3 @@
+export class APIConfig {
+    default_run_retention_policy: string;
+}

ui/src/app/service/config/config.service.ts

@@ -1,6 +1,7 @@
 import { HttpClient } from '@angular/common/http';
 import { Injectable } from '@angular/core';
 import { Observable } from 'rxjs';
+import { APIConfig } from 'app/model/config.service';
 
 /**
  * Service to get config
@@ -13,4 +14,8 @@ export class ConfigService {
     getConfig(): Observable<any> {
         return this._http.get<any>('/config/user');
     }
+
+    getAPIConfig() {
+        return this._http.get<APIConfig>('/config/api');
+    }
 }

ui/src/app/views/workflow/show/admin/workflow.admin.component.html

@@ -135,7 +135,7 @@
                             [popupText]="'workflow_retention_maxruns_admin' | translate"></i>
                     </label>
                 </div>
-                <ng-container *ngIf="retentionRunsPolicyEnabled">
+                <ng-container *ngIf="retentionRunsPolicyEnabled && apiConfig">
                     <div class="field">
                         <label>
                             {{ 'workflow_retention_policy' | translate }}
@@ -152,7 +152,8 @@
                                 [routerLink]="['/docs', 'docs', 'concepts', 'workflow', 'retention']">
                                 here</a>.
                         </ng-template>
-                        <codemirror name="policy" (change)="changeCodeMirror(codemirrorRetentionPolicy)"
+                        <codemirror name="policy" [placeholder]="apiConfig?.default_run_retention_policy"
+                                    (change)="changeCodeMirror(codemirrorRetentionPolicy)"
                             [(ngModel)]="workflow.retention_policy" [config]="codeMirrorConfig"
                             #codemirrorRetentionPolicy></codemirror>
                     </div>

ui/src/app/views/workflow/show/admin/workflow.admin.component.ts

@@ -39,6 +39,8 @@ import { DragulaService } from 'ng2-dragula-sgu';
 import { forkJoin, Observable, Subscription } from 'rxjs';
 import { finalize, first } from 'rxjs/operators';
 import { ProjectIntegration } from 'app/model/integration.model';
+import { ConfigService } from 'app/service/config/config.service';
+import { APIConfig } from 'app/model/config.service';
 
 declare let CodeMirror: any;
 
@@ -72,7 +74,7 @@ export class WorkflowAdminComponent implements OnInit, OnDestroy {
         }
     }
     get workflow() {
-        return this._workflow
+        return this._workflow;
     }
 
     @Input() editMode: boolean;
@@ -98,6 +100,8 @@ export class WorkflowAdminComponent implements OnInit, OnDestroy {
     nbEventIntegrations: number;
     selectedIntegration: ProjectIntegration;
 
+    apiConfig: APIConfig;
+
     @ViewChild('updateWarning')
     private warningUpdateModal: WarningModalComponent;
     @ViewChild('codemirrorRetentionPolicy') codemirror: CodemirrorComponent;
@@ -136,8 +140,14 @@ export class WorkflowAdminComponent implements OnInit, OnDestroy {
         private _dragularService: DragulaService,
         private _theme: ThemeStore,
         private _modalService: SuiModalService,
-        private _eventService: EventService
+        private _eventService: EventService,
+        private _configService: ConfigService
     ) {
+        this._configService.getAPIConfig().subscribe(c => {
+            this.apiConfig = c;
+            this._cd.markForCheck();
+        });
+
         this._dragularService.createGroup('bag-tag', {
             accepts(el, target, source, sibling) {
                 return sibling !== null;
@@ -177,7 +187,7 @@ export class WorkflowAdminComponent implements OnInit, OnDestroy {
             lineWrapping: true,
             lineNumbers: true,
             autoRefresh: true,
-            gutters: ['CodeMirror-lint-markers'],
+            gutters: ['CodeMirror-lint-markers']
         };
 
         this.themeSubscription = this._theme.get().subscribe(t => {

ui/src/styles.scss

@@ -49,6 +49,14 @@ a.disabled:hover {
     overflow: hidden !important;
 }
 
+.CodeMirror-empty {
+  color: $polar_grey_2 !important;
+}
+
+app-workflow-admin .CodeMirror-scroll {
+  min-height: 180px;
+}
+
 .fullheight {
     .CodeMirror {
         height: 100% !important;
@@ -129,7 +137,7 @@ body ::-webkit-scrollbar-thumb {
 
 .ui.selection.dropdown {
     width: 100%;
-    min-width: 0px;
+    min-width: 0;
 }
 
 .ui.selection.classic.dropdown {
@@ -328,14 +336,14 @@ body ::-webkit-scrollbar-thumb {
     }
 
     .ui.right.dropdown {
-        border-bottom-left-radius: 0px;
-        border-top-left-radius: 0px;
+        border-bottom-left-radius: 0;
+        border-top-left-radius: 0;
         border-left: none;
     }
 
     .ui.left.dropdown {
-        border-bottom-right-radius: 0px;
-        border-top-right-radius: 0px;
+        border-bottom-right-radius: 0;
+        border-top-right-radius: 0;
     }
 }
 
@@ -362,7 +370,7 @@ body ::-webkit-scrollbar-thumb {
     padding-right: 1em;
 
     >.text>.flag {
-        margin-right: 0em;
+        margin-right: 0;
     }
 }