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package main
import (
"fmt"
"os"
"strings"
"github.com/iotbzh/xds-agent/lib/apiv1"
"github.com/urfave/cli"
)
func initCmdExec(cmdDef *[]cli.Command) {
*cmdDef = append(*cmdDef, cli.Command{
Name: "exec",
Usage: "execute a command in XDS",
Action: exec,
Flags: []cli.Flag{
cli.StringFlag{
Name: "id",
EnvVar: "XDS_PROJECT_ID",
Usage: "project ID you want to build (mandatory variable)",
},
cli.StringFlag{
Name: "rpath, p",
EnvVar: "XDS_RPATH",
Usage: "relative path into project",
},
cli.StringFlag{
Name: "sdkid, sdk",
EnvVar: "XDS_SDK_ID",
Usage: "Cross Sdk ID to use to build project",
},
},
})
}
func exec(ctx *cli.Context) error {
prjID := ctx.String("id")
rPath := ctx.String("rPath")
sdkid := ctx.String("sdkid")
// Check mandatory args
if prjID == "" {
return cli.NewExitError("project id must be set (see --id option)", 1)
}
argsCommand := make([]string, len(ctx.Args()))
copy(argsCommand, ctx.Args())
Log.Infof("Execute: /exec %v", argsCommand)
// Log useful info for debugging
ver := apiv1.XDSVersion{}
XdsVersionGet(&ver)
Log.Infof("XDS version: %v", ver)
// Process Socket IO events
type exitResult struct {
error error
code int
}
exitChan := make(chan exitResult, 1)
IOsk.On("disconnection", func(err error) {
Log.Debugf("WS disconnection event with err: %v\n", err)
exitChan <- exitResult{err, 2}
})
outFunc := func(timestamp, stdout, stderr string) {
tm := ""
if ctx.Bool("WithTimestamp") {
tm = timestamp + "| "
}
if stdout != "" {
fmt.Printf("%s%s", tm, stdout)
}
if stderr != "" {
fmt.Fprintf(os.Stderr, "%s%s", tm, stderr)
}
}
IOsk.On(apiv1.ExecOutEvent, func(ev apiv1.ExecOutMsg) {
outFunc(ev.Timestamp, ev.Stdout, ev.Stderr)
})
IOsk.On(apiv1.ExecExitEvent, func(ev apiv1.ExecExitMsg) {
exitChan <- exitResult{ev.Error, ev.Code}
})
IOsk.On(apiv1.EVTProjectChange, func(ev apiv1.EventMsg) {
prj, _ := ev.DecodeProjectConfig()
Log.Infof("Event %v (%v): %v", ev.Type, ev.Time, prj)
})
evReg := apiv1.EventRegisterArgs{Name: apiv1.EVTProjectChange}
if err := HTTPCli.Post("/events/register", &evReg, nil); err != nil {
return cli.NewExitError(err, 1)
}
// Retrieve the project definition
prj := apiv1.ProjectConfig{}
if err := HTTPCli.Get("/projects/"+prjID, &prj); err != nil {
return cli.NewExitError(err, 1)
}
// Auto setup rPath if needed
if rPath == "" {
cwd, err := os.Getwd()
if err == nil {
fldRp := prj.ClientPath
if !strings.HasPrefix(fldRp, "/") {
fldRp = "/" + fldRp
}
Log.Debugf("Try to auto-setup rPath: cwd=%s ; ClientPath=%s", cwd, fldRp)
if sp := strings.SplitAfter(cwd, fldRp); len(sp) == 2 {
rPath = strings.Trim(sp[1], "/")
Log.Debugf("Auto-setup rPath to: '%s'", rPath)
}
}
}
// Build env
Log.Debugf("Command env: %v", EnvConfFileMap)
env := []string{}
for k, v := range EnvConfFileMap {
env = append(env, k+"="+v)
}
// Send build command
args := apiv1.ExecArgs{
ID: prjID,
SdkID: sdkid,
Cmd: strings.Trim(argsCommand[0], " "),
Args: argsCommand[1:],
Env: env,
RPath: rPath,
CmdTimeout: 60,
}
LogPost("POST /exec %v", args)
if err := HTTPCli.Post("/exec", args, nil); err != nil {
return cli.NewExitError(err.Error(), 1)
}
// Wait exit
select {
case res := <-exitChan:
errStr := ""
if res.code == 0 {
Log.Debugln("Exit successfully")
}
if res.error != nil {
Log.Debugln("Exit with ERROR: ", res.error.Error())
errStr = res.error.Error()
}
return cli.NewExitError(errStr, res.code)
}
}
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