forked from sodafoundation/strato
/
policy.go
133 lines (113 loc) · 3.43 KB
/
policy.go
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// Copyright 2019 The OpenSDS 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 policy
import (
"context"
"encoding/json"
"regexp"
log "github.com/sirupsen/logrus"
"github.com/opensds/multi-cloud/dataflow/pkg/db"
. "github.com/opensds/multi-cloud/dataflow/pkg/model"
"github.com/opensds/multi-cloud/dataflow/pkg/plan"
"github.com/opensds/multi-cloud/dataflow/pkg/scheduler/trigger"
)
func Create(ctx context.Context, pol *Policy) (*Policy, error) {
m, err := regexp.MatchString("[[:alnum:]-_.]+", pol.Name)
if !m || pol.Name == "all" {
log.Errorf("Invalid policy name[%s], err:%v\n", pol.Name, err)
return nil, ERR_INVALID_POLICY_NAME
}
return db.DbAdapter.CreatePolicy(ctx, pol)
}
func Delete(ctx context.Context, id string) error {
return db.DbAdapter.DeletePolicy(ctx, id)
}
//When update policy, policy id must be provided
func Update(ctx context.Context, policyId string, updateMap map[string]interface{}) (*Policy, error) {
curPol, err := db.DbAdapter.GetPolicy(ctx, policyId)
if err != nil {
log.Errorf("Update policy failed, err: connot get the policy(%v).\n", err.Error())
return nil, err
}
if v, ok := updateMap["name"]; ok {
name := v.(string)
m, err := regexp.MatchString("[[:alnum:]-_.]+", name)
if !m {
log.Errorf("Invalid policy name[%s],err:", name, err) //cannot use all as name
return nil, ERR_INVALID_PLAN_NAME
}
curPol.Name = name
}
if v, ok := updateMap["description"]; ok {
curPol.Description = v.(string)
}
var updateInTrigger = false
if v, ok := updateMap["schedule"]; ok {
b, _ := json.Marshal(v)
curPol.Schedule = Schedule{}
json.Unmarshal(b, &curPol.Schedule)
updateInTrigger = true
}
//update database
resp, err := db.DbAdapter.UpdatePolicy(ctx, curPol)
if err != nil {
return nil, err
}
if updateInTrigger {
if err := updatePolicyInTrigger(ctx, resp); err != nil {
return nil, err
}
}
return resp, nil
}
func updatePolicyInTrigger(ctx context.Context, policy *Policy) error {
offset := DefaultOffset
limit := DefaultLimit
t := trigger.GetTriggerMgr()
planNum := 0
for offset == 0 || planNum > 0 {
plans, err := db.DbAdapter.GetPlanByPolicy(ctx, policy.Id.Hex(), limit, offset)
if err != nil {
log.Errorf("Get plan by policy id(%s) failed, err", policy.Id.Hex(), err)
return err
}
planNum = len(plans)
if planNum == 0 {
break
} else {
offset += planNum
}
for _, p := range plans {
if !p.PolicyEnabled {
continue // Policy is not enabled, ignore it
}
exe := plan.NewPlanExecutor(&p)
if err := t.Update(ctx, &p, exe); err != nil {
return err
}
}
}
return nil
}
func Get(ctx context.Context, id string) (*Policy, error) {
m, err := regexp.MatchString("[[:alnum:]-_.]*", id)
if !m {
log.Errorf("Invalid policy id[%s],err:%v\n", id, err)
return nil, ERR_INVALID_POLICY_NAME
}
return db.DbAdapter.GetPolicy(ctx, id)
}
func List(ctx context.Context) ([]Policy, error) {
return db.DbAdapter.ListPolicy(ctx)
}