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cmd.go
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cmd.go
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package cmd
import (
"context"
"fmt"
"os/exec"
"github.com/pkg/errors"
s2hv1 "github.com/agoda-com/samsahai/api/v1"
"github.com/agoda-com/samsahai/internal/util/template"
)
// ExecuteCommand executes command at defined executed path
func ExecuteCommand(ctx context.Context, exePath string, cmdObj *s2hv1.CommandAndArgs) ([]byte, error) {
command, args, err := parseCommand(cmdObj)
if err != nil {
return []byte{}, err
}
return execute(ctx, exePath, command, args...)
}
func RenderTemplate(commands, args []string, obj interface{}) *s2hv1.CommandAndArgs {
// render from template
cmdObj := &s2hv1.CommandAndArgs{}
for _, c := range commands {
cmdObj.Command = append(cmdObj.Command, template.TextRender("CommandsRendering", c, obj))
}
for _, c := range args {
cmdObj.Args = append(cmdObj.Args, template.TextRender("ArgsRendering", c, obj))
}
return cmdObj
}
func parseCommand(cmdObj *s2hv1.CommandAndArgs) (command string, args []string, err error) {
if cmdObj == nil || len(cmdObj.Command) == 0 {
err = errors.Wrap(fmt.Errorf("no command to execute"), "cannot parse data to command")
return
}
command = cmdObj.Command[0]
if len(cmdObj.Command) > 1 {
args = cmdObj.Command[1:]
}
if len(cmdObj.Args) > 0 {
args = append(args, cmdObj.Args...)
}
return
}
func execute(ctx context.Context, exePath, command string, args ...string) ([]byte, error) {
cmd := exec.CommandContext(ctx, command, args...)
cmd.Dir = exePath
out, err := cmd.Output()
if err != nil {
return out, err
}
return out, nil
}