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main.go
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main.go
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/*
* Copyright 2017 The Polycube 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 main
import (
"fmt"
"os"
"github.com/polycube-network/polycube/src/polycubectl/cliargs"
"github.com/polycube-network/polycube/src/polycubectl/config"
)
const (
// Return codes
// the command syntax validation fails
ErrCommandNotValid = iota
// the cli is unable to contact the rest server
ErrHttpRequestFailed = iota
// the server returns a no success status code
ErrBadStatusCode = iota
)
var (
// use a buffer to save stdout in order to allow to duplicate it to a logfile
Buffer string
)
func main() {
var err error
err = config.LoadConfig()
if err != nil {
fmt.Fprintf(os.Stderr, "Error loading config file: %s", err.Error())
os.Exit(1)
}
LogCommand(os.Args)
cliArgs, err := cliargs.ParseCLIArgs(os.Args[1:])
if err != nil {
Buffer += err.Error() + "\n"
ExitAndLog(ErrCommandNotValid)
}
FillAliases()
if err, exit := RunAliases(cliArgs); err != nil {
Buffer += err.Error() + "\n"
ExitAndLog(ErrCommandNotValid)
} else if exit {
ExitAndLog(0)
}
httpReq, err := cliArgs.GetHTTPRequest()
// print performed request
if config.GetConfig().Debug {
Buffer += httpReq.ToString()
}
response, error := httpReq.Perform()
if error != nil {
Buffer += fmt.Sprintln(error)
ExitAndLog(ErrHttpRequestFailed)
}
printResponse(cliArgs, response)
ExitAndLog(GetReturnCode(response.StatusCode))
}