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

256 lines
7.2 KiB
Go

// 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 action
import (
"context"
"encoding/json"
"agola.io/agola/internal/datamanager"
"agola.io/agola/internal/db"
"agola.io/agola/internal/services/types"
"agola.io/agola/internal/util"
uuid "github.com/satori/go.uuid"
errors "golang.org/x/xerrors"
)
func (h *ActionHandler) GetVariables(ctx context.Context, parentType types.ConfigType, parentRef string, tree bool) ([]*types.Variable, error) {
var variables []*types.Variable
err := h.readDB.Do(ctx, func(tx *db.Tx) error {
parentID, err := h.readDB.ResolveConfigID(tx, parentType, parentRef)
if err != nil {
return err
}
if tree {
variables, err = h.readDB.GetVariablesTree(tx, parentType, parentID)
} else {
variables, err = h.readDB.GetVariables(tx, parentID)
}
return err
})
if err != nil {
return nil, err
}
return variables, nil
}
func (h *ActionHandler) ValidateVariable(ctx context.Context, variable *types.Variable) error {
if variable.Name == "" {
return util.NewErrBadRequest(errors.Errorf("variable name required"))
}
if !util.ValidateName(variable.Name) {
return util.NewErrBadRequest(errors.Errorf("invalid variable name %q", variable.Name))
}
if len(variable.Values) == 0 {
return util.NewErrBadRequest(errors.Errorf("variable values required"))
}
if variable.Parent.Type == "" {
return util.NewErrBadRequest(errors.Errorf("variable parent type required"))
}
if variable.Parent.ID == "" {
return util.NewErrBadRequest(errors.Errorf("variable parent id required"))
}
if variable.Parent.Type != types.ConfigTypeProject && variable.Parent.Type != types.ConfigTypeProjectGroup {
return util.NewErrBadRequest(errors.Errorf("invalid variable parent type %q", variable.Parent.Type))
}
return nil
}
func (h *ActionHandler) CreateVariable(ctx context.Context, variable *types.Variable) (*types.Variable, error) {
if err := h.ValidateVariable(ctx, variable); err != nil {
return nil, err
}
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 := h.readDB.Do(ctx, func(tx *db.Tx) error {
var err error
cgt, err = h.readDB.GetChangeGroupsUpdateTokens(tx, cgNames)
if err != nil {
return err
}
parentID, err := h.readDB.ResolveConfigID(tx, variable.Parent.Type, variable.Parent.ID)
if err != nil {
return err
}
variable.Parent.ID = parentID
// check duplicate variable name
s, err := h.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.Errorf("failed to marshal variable: %w", err)
}
actions := []*datamanager.Action{
{
ActionType: datamanager.ActionTypePut,
DataType: string(types.ConfigTypeVariable),
ID: variable.ID,
Data: variablej,
},
}
_, err = h.dm.WriteWal(ctx, actions, cgt)
return variable, err
}
type UpdateVariableRequest struct {
VariableName string
Variable *types.Variable
}
func (h *ActionHandler) UpdateVariable(ctx context.Context, req *UpdateVariableRequest) (*types.Variable, error) {
if err := h.ValidateVariable(ctx, req.Variable); err != nil {
return nil, err
}
var curVariable *types.Variable
var cgt *datamanager.ChangeGroupsUpdateToken
// changegroup is the variable name
// must do all the checks in a single transaction to avoid concurrent changes
err := h.readDB.Do(ctx, func(tx *db.Tx) error {
var err error
parentID, err := h.readDB.ResolveConfigID(tx, req.Variable.Parent.Type, req.Variable.Parent.ID)
if err != nil {
return err
}
req.Variable.Parent.ID = parentID
// check variable exists
curVariable, err = h.readDB.GetVariableByName(tx, req.Variable.Parent.ID, req.VariableName)
if err != nil {
return err
}
if curVariable == nil {
return util.NewErrBadRequest(errors.Errorf("variable with name %q for %s with id %q doesn't exists", req.VariableName, req.Variable.Parent.Type, req.Variable.Parent.ID))
}
if curVariable.Name != req.Variable.Name {
// check duplicate variable name
u, err := h.readDB.GetVariableByName(tx, req.Variable.Parent.ID, req.Variable.Name)
if err != nil {
return err
}
if u != nil {
return util.NewErrBadRequest(errors.Errorf("variable with name %q for %s with id %q already exists", req.Variable.Name, req.Variable.Parent.Type, req.Variable.Parent.ID))
}
}
// set/override ID that must be kept from the current variable
req.Variable.ID = curVariable.ID
cgNames := []string{
util.EncodeSha256Hex("variablename-" + req.Variable.ID),
util.EncodeSha256Hex("variablename-" + req.Variable.Name),
}
cgt, err = h.readDB.GetChangeGroupsUpdateTokens(tx, cgNames)
if err != nil {
return err
}
return nil
})
if err != nil {
return nil, err
}
variablej, err := json.Marshal(req.Variable)
if err != nil {
return nil, errors.Errorf("failed to marshal variable: %w", err)
}
actions := []*datamanager.Action{
{
ActionType: datamanager.ActionTypePut,
DataType: string(types.ConfigTypeVariable),
ID: req.Variable.ID,
Data: variablej,
},
}
_, err = h.dm.WriteWal(ctx, actions, cgt)
return req.Variable, err
}
func (h *ActionHandler) 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 := h.readDB.Do(ctx, func(tx *db.Tx) error {
var err error
parentID, err := h.readDB.ResolveConfigID(tx, parentType, parentRef)
if err != nil {
return err
}
// check variable existance
variable, err = h.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 = h.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 = h.dm.WriteWal(ctx, actions, cgt)
return err
}