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rpc.go
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rpc.go
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/*
* Copyright (c) 2018. Abstrium SAS <team (at) pydio.com>
* This file is part of Pydio Cells.
*
* Pydio Cells is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Pydio Cells is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with Pydio Cells. If not, see <http://www.gnu.org/licenses/>.
*
* The latest code can be found at <https://pydio.com>.
*/
package cmd
import (
"context"
"encoding/json"
"github.com/micro/go-micro/client"
"github.com/micro/go-micro/errors"
"github.com/pydio/cells/common"
"github.com/pydio/cells/common/proto/jobs"
"github.com/pydio/cells/scheduler/actions"
)
type RpcAction struct {
Client client.Client
ServiceName string
MethodName string
JsonRequest interface{}
}
var (
rpcActionName = "actions.cmd.rpc"
)
// Unique identifier
func (c *RpcAction) GetName() string {
return rpcActionName
}
// Pass parameters
func (c *RpcAction) Init(job *jobs.Job, cl client.Client, action *jobs.Action) error {
c.Client = cl
c.ServiceName = action.Parameters["service"]
c.MethodName = action.Parameters["method"]
if c.ServiceName == "" || c.MethodName == "" {
return errors.BadRequest(common.SERVICE_JOBS, "Missing parameters for RPC Action")
}
if jsonParams, o := action.Parameters["request"]; o {
var jsonData interface{}
e := json.Unmarshal([]byte(jsonParams), &jsonData)
if e == nil {
c.JsonRequest = jsonData
}
}
return nil
}
// Run the actual action code
func (c *RpcAction) Run(ctx context.Context, channels *actions.RunnableChannels, input jobs.ActionMessage) (jobs.ActionMessage, error) {
req := c.Client.NewJsonRequest(c.ServiceName, c.MethodName, c.JsonRequest)
var response json.RawMessage
e := c.Client.Call(ctx, req, &response)
if e != nil {
return input.WithError(e), e
}
output := input
jsonData, _ := response.MarshalJSON()
output.AppendOutput(&jobs.ActionOutput{
Success: true,
JsonBody: jsonData,
})
return output, nil
}