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command.go
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command.go
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package create
import (
"fmt"
"io/ioutil"
"path"
"time"
"github.com/urfave/cli"
// Internal Packages
"github.com/rackerlabs/maestro/pkg/fileutil"
"github.com/rackerlabs/maestro/pkg/json"
"github.com/rackerlabs/maestro/pkg/scripts"
"github.com/rackerlabs/maestro/pkg/ssmdoc"
. "github.com/rackerlabs/maestro/ui"
)
func generateRunCommand(c *cli.Context) error {
scriptName := path.Base(c.Args()[0])
UI.Debugf("Attempting to opening file %s\n", scriptName)
outputName := c.String("output")
if outputName == "" {
outputName = scriptName + ".json"
}
documentDescription := fmt.Sprintf(
"Generated from script %s on %s",
scriptName,
time.Now(),
)
scriptContent, err := fileutil.ReadFileToString(scriptName)
if err != nil {
return err
}
ssmRunCommand := scripts.ScriptToSSMCommands(scriptContent)
doc, err := ssmdoc.NewDocument(documentDescription)
if err != nil {
return err
}
scriptType := scripts.DetectScriptByExtension(scriptName)
switch scriptType {
case scripts.PowerShell:
UI.Debug("Detected powershell script")
runPowerShellInput := ssmdoc.RunPowerShellScriptPluginInput{
RunCommand: ssmdoc.ListValue(ssmRunCommand),
}
runPowerShell := ssmdoc.Plugin{
Action: ssmdoc.RunPowerShellScriptPluginAction,
Name: "runPowerShellScript",
Inputs: runPowerShellInput,
}
if err := doc.AddStep(runPowerShell); err != nil {
return err
}
case scripts.Bash:
UI.Debug("Detected bash script")
runShellProps := ssmdoc.RunShellScriptPluginInput{
RunCommand: ssmdoc.ListValue(ssmRunCommand),
}
runShell := ssmdoc.Plugin{
Action: ssmdoc.RunShellScriptPluginAction,
Name: "runShellScript",
Inputs: runShellProps,
}
if err := doc.AddStep(runShell); err != nil {
return err
}
default:
return fmt.Errorf("Unable to detect script type set \"--type\" flag")
}
document, err := json.MarshalIndent(doc, "", " ")
if err != nil {
return err
}
UI.Debugf("Document generated: %s\n", string(document))
if err := ioutil.WriteFile(outputName, document, 0750); err != nil {
return err
}
return nil
}