Add atmos terraform generate planfile command (#1214)

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* Update website/docs/cli/commands/terraform/terraform-generate-planfile.mdx

Co-authored-by: Erik Osterman (CEO @ Cloud Posse) <[email protected]>

* updates

---------

Co-authored-by: Erik Osterman (CEO @ Cloud Posse) <[email protected]>

Author: aknysh

cmd/terraform_generate_planfile.go

@@ -0,0 +1,42 @@
+package cmd
+
+import (
+	"github.com/spf13/cobra"
+
+	e "github.com/cloudposse/atmos/internal/exec"
+	u "github.com/cloudposse/atmos/pkg/utils"
+)
+
+// terraformGeneratePlanfileCmd generates planfile for a terraform component.
+var terraformGeneratePlanfileCmd = &cobra.Command{
+	Use:                "planfile",
+	Short:              "Generate a planfile for a Terraform component",
+	Long:               "This command generates a `planfile` for a specified Atmos Terraform component.",
+	FParseErrWhitelist: struct{ UnknownFlags bool }{UnknownFlags: false},
+	ValidArgsFunction:  ComponentsArgCompletion,
+	Run: func(cmd *cobra.Command, args []string) {
+		handleHelpRequest(cmd, args)
+		// Check Atmos configuration
+		checkAtmosConfig()
+
+		err := e.ExecuteTerraformGeneratePlanfileCmd(cmd, args)
+		if err != nil {
+			u.PrintErrorMarkdownAndExit("", err, "")
+		}
+	},
+}
+
+func init() {
+	terraformGeneratePlanfileCmd.DisableFlagParsing = false
+	AddStackCompletion(terraformGeneratePlanfileCmd)
+
+	terraformGeneratePlanfileCmd.PersistentFlags().StringP("file", "f", "", "Planfile name")
+	terraformGeneratePlanfileCmd.PersistentFlags().String("format", "json", "Output format (`json` or `yaml`, `json` is default)")
+
+	err := terraformGeneratePlanfileCmd.MarkPersistentFlagRequired("stack")
+	if err != nil {
+		u.PrintErrorMarkdownAndExit("", err, "")
+	}
+
+	terraformGenerateCmd.AddCommand(terraformGeneratePlanfileCmd)
+}

demo/screengrabs/demo-stacks.txt

@@ -32,6 +32,7 @@ atmos terraform deploy --help
 atmos terraform generate --help
 atmos terraform generate backend --help
 atmos terraform generate backends --help
+atmos terraform generate planfile --help
 atmos terraform generate varfile --help
 atmos terraform generate varfiles --help
 atmos terraform shell --help

examples/quick-start-advanced/Dockerfile

@@ -6,7 +6,7 @@ ARG GEODESIC_OS=debian
 # https://atmos.tools/
 # https://github.com/cloudposse/atmos
 # https://github.com/cloudposse/atmos/releases
-ARG ATMOS_VERSION=1.171.0
+ARG ATMOS_VERSION=1.172.0
 
 # Terraform: https://github.com/hashicorp/terraform/releases
 ARG TF_VERSION=1.5.7