agola/internal/services/configstore/command/variable.go

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// Copyright 2019 Sorint.lab
//
// 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 command
import (
"context"
"encoding/json"
"github.com/sorintlab/agola/internal/datamanager"
"github.com/sorintlab/agola/internal/db"
"github.com/sorintlab/agola/internal/services/types"
"github.com/sorintlab/agola/internal/util"
"github.com/pkg/errors"
uuid "github.com/satori/go.uuid"
)
func (s *CommandHandler) CreateVariable(ctx context.Context, variable *types.Variable) (*types.Variable, error) {
if variable.Name == "" {
return nil, util.NewErrBadRequest(errors.Errorf("variable name required"))
}
if !util.ValidateName(variable.Name) {
return nil, util.NewErrBadRequest(errors.Errorf("invalid variable name %q", variable.Name))
}
if len(variable.Values) == 0 {
return nil, util.NewErrBadRequest(errors.Errorf("variable values required"))
}
if variable.Parent.Type == "" {
return nil, util.NewErrBadRequest(errors.Errorf("variable parent type required"))
}
if variable.Parent.ID == "" {
return nil, util.NewErrBadRequest(errors.Errorf("variable parent id required"))
}
if variable.Parent.Type != types.ConfigTypeProject && variable.Parent.Type != types.ConfigTypeProjectGroup {
return nil, util.NewErrBadRequest(errors.Errorf("invalid variable parent type %q", variable.Parent.Type))
}
var cgt *datamanager.ChangeGroupsUpdateToken
// changegroup is the variable name
cgNames := []string{util.EncodeSha256Hex("variablename-" + variable.Name)}
// must do all the checks in a single transaction to avoid concurrent changes
err := s.readDB.Do(func(tx *db.Tx) error {
var err error
cgt, err = s.readDB.GetChangeGroupsUpdateTokens(tx, cgNames)
if err != nil {
return err
}
parentID, err := s.readDB.ResolveConfigID(tx, variable.Parent.Type, variable.Parent.ID)
if err != nil {
return err
}
variable.Parent.ID = parentID
// check duplicate variable name
s, err := s.readDB.GetVariableByName(tx, variable.Parent.ID, variable.Name)
if err != nil {
return err
}
if s != nil {
return util.NewErrBadRequest(errors.Errorf("variable with name %q for %s with id %q already exists", variable.Name, variable.Parent.Type, variable.Parent.ID))
}
return nil
})
if err != nil {
return nil, err
}
variable.ID = uuid.NewV4().String()
variablej, err := json.Marshal(variable)
if err != nil {
return nil, errors.Wrapf(err, "failed to marshal variable")
}
actions := []*datamanager.Action{
{
ActionType: datamanager.ActionTypePut,
DataType: string(types.ConfigTypeVariable),
ID: variable.ID,
Data: variablej,
},
}
_, err = s.dm.WriteWal(ctx, actions, cgt)
return variable, err
}
func (s *CommandHandler) DeleteVariable(ctx context.Context, parentType types.ConfigType, parentRef, variableName string) error {
var variable *types.Variable
var cgt *datamanager.ChangeGroupsUpdateToken
// must do all the checks in a single transaction to avoid concurrent changes
err := s.readDB.Do(func(tx *db.Tx) error {
var err error
parentID, err := s.readDB.ResolveConfigID(tx, parentType, parentRef)
if err != nil {
return err
}
// check variable existance
variable, err = s.readDB.GetVariableByName(tx, parentID, variableName)
if err != nil {
return err
}
if variable == nil {
return util.NewErrBadRequest(errors.Errorf("variable with name %q doesn't exist", variableName))
}
// changegroup is the variable id
cgNames := []string{util.EncodeSha256Hex("variableid-" + variable.ID)}
cgt, err = s.readDB.GetChangeGroupsUpdateTokens(tx, cgNames)
if err != nil {
return err
}
return nil
})
if err != nil {
return err
}
actions := []*datamanager.Action{
{
ActionType: datamanager.ActionTypeDelete,
DataType: string(types.ConfigTypeVariable),
ID: variable.ID,
},
}
_, err = s.dm.WriteWal(ctx, actions, cgt)
return err
}