pulumi/cmd/update.go
2017-02-25 07:25:33 -08:00

48 lines
1.7 KiB
Go

// Copyright 2016 Pulumi, Inc. All rights reserved.
package cmd
import (
"github.com/spf13/cobra"
)
func newUpdateCmd() *cobra.Command {
var detail bool
var dryRun bool
var output string
var cmd = &cobra.Command{
Use: "update [snapshot] [blueprint] [-- [args]]",
Short: "Update an existing environment and its resources",
Long: "Update an existing environment and its resources.\n" +
"\n" +
"This command updates an existing environment whose state is represented by the\n" +
"existing snapshot file. The new desired state is computed by compiling and evaluating\n" +
"a Nut blueprint, and extracting all resource allocations from its CocoGL graph.\n" +
"This is then compared against the existing state to determine what operations must take\n" +
"place to achieve the desired state. This command results in a full snapshot of the\n" +
"environment's new resource state, so that it may be updated incrementally again later.\n" +
"\n" +
"By default, the Nut blueprint is loaded from the current directory. Optionally,\n" +
"a path to a Nut elsewhere can be provided as the [blueprint] argument.",
Run: func(cmd *cobra.Command, args []string) {
applyExisting(cmd, args, applyOptions{
Delete: false,
Detail: detail,
DryRun: dryRun,
Output: output,
})
},
}
cmd.PersistentFlags().BoolVarP(
&detail, "all", "a", false,
"Display all detailed output during the application of changes")
cmd.PersistentFlags().BoolVarP(
&dryRun, "dry-run", "n", false,
"Don't actually update resources; just print out the planned updates")
cmd.PersistentFlags().StringVarP(
&output, "output", "o", "",
"Serialize the resulting snapshot to a specific file, instead of overwriting the existing one")
return cmd
}