feat: enforce template-level constraints for TTL and autostart (#2018)

This PR adds fields to templates that constrain values for workspaces derived from that template.

- Autostop: Adds a field max_ttl on the template which limits the maximum value of ttl on all workspaces derived from that template. Defaulting to 168 hours, enforced on edits to workspace metadata. New workspaces will default to the templates's `max_ttl` if not specified.
- Autostart: Adds a field min_autostart_duration which limits the minimum duration between successive autostarts of a template, measured from a single reference time. Defaulting to 1 hour, enforced on edits to workspace metadata.

cli/templatecreate.go

@@ -14,6 +14,7 @@ import (
 
 	"github.com/coder/coder/cli/cliui"
 	"github.com/coder/coder/coderd/database"
+	"github.com/coder/coder/coderd/util/ptr"
 	"github.com/coder/coder/codersdk"
 	"github.com/coder/coder/provisionerd"
 	"github.com/coder/coder/provisionersdk"
@@ -21,9 +22,11 @@ import (
 
 func templateCreate() *cobra.Command {
 	var (
-		directory     string
-		provisioner   string
-		parameterFile string
+		directory            string
+		provisioner          string
+		parameterFile        string
+		maxTTL               time.Duration
+		minAutostartInterval time.Duration
 	)
 	cmd := &cobra.Command{
 		Use:   "create [name]",
@@ -92,11 +95,15 @@ func templateCreate() *cobra.Command {
 				return err
 			}
 
-			_, err = client.CreateTemplate(cmd.Context(), organization.ID, codersdk.CreateTemplateRequest{
-				Name:            templateName,
-				VersionID:       job.ID,
-				ParameterValues: parameters,
-			})
+			createReq := codersdk.CreateTemplateRequest{
+				Name:                       templateName,
+				VersionID:                  job.ID,
+				ParameterValues:            parameters,
+				MaxTTLMillis:               ptr.Ref(maxTTL.Milliseconds()),
+				MinAutostartIntervalMillis: ptr.Ref(minAutostartInterval.Milliseconds()),
+			}
+
+			_, err = client.CreateTemplate(cmd.Context(), organization.ID, createReq)
 			if err != nil {
 				return err
 			}
@@ -115,6 +122,8 @@ func templateCreate() *cobra.Command {
 	cmd.Flags().StringVarP(&directory, "directory", "d", currentDirectory, "Specify the directory to create from")
 	cmd.Flags().StringVarP(&provisioner, "test.provisioner", "", "terraform", "Customize the provisioner backend")
 	cmd.Flags().StringVarP(&parameterFile, "parameter-file", "", "", "Specify a file path with parameter values.")
+	cmd.Flags().DurationVarP(&maxTTL, "max-ttl", "", 168*time.Hour, "Specify a maximum TTL for worksapces created from this template.")
+	cmd.Flags().DurationVarP(&minAutostartInterval, "min-autostart-interval", "", time.Hour, "Specify a minimum autostart interval for workspaces created from this template.")
 	// This is for testing!
 	err := cmd.Flags().MarkHidden("test.provisioner")
 	if err != nil {