feat: automatically stop workspaces based on failure_ttl (#7989)

coderd/database/queries/workspaces.sql

@@ -405,13 +405,15 @@ SELECT
 	stopped_workspaces.count AS stopped_workspaces
 FROM pending_workspaces, building_workspaces, running_workspaces, failed_workspaces, stopped_workspaces;
 
--- name: GetWorkspacesEligibleForAutoStartStop :many
+-- name: GetWorkspacesEligibleForTransition :many
 SELECT
 	workspaces.*
 FROM
 	workspaces
 LEFT JOIN
 	workspace_builds ON workspace_builds.workspace_id = workspaces.id
+INNER JOIN
+	provisioner_jobs ON workspace_builds.job_id = provisioner_jobs.id
 WHERE
 	workspace_builds.build_number = (
 		SELECT
@@ -441,5 +443,13 @@ WHERE
 		(
 			workspace_builds.transition = 'stop'::workspace_transition AND
 			workspaces.autostart_schedule IS NOT NULL
+		) OR
+
+		-- If the workspace's most recent job resulted in an error
+		-- it may be eligible for failed stop.
+		(
+			provisioner_jobs.error IS NOT NULL AND
+			provisioner_jobs.error != '' AND
+			workspace_builds.transition = 'start'::workspace_transition
 		)
-	);
+	) AND workspaces.deleted = 'false';