Handlers for `generate systemd` with custom dependencies

This commit includes:
* Handlers for generate systemd unit
  with manually defined dependencies such as:
  Wants=, After= and Requires=

* The new unit and e2e tests for checking generated systemd units
  for container and pod with custom dependencies

* Documented descriptions for custom dependencies options

Signed-off-by: Eugene (Evgenii) Shubin <esendjer@gmail.com>

1 files changed, 21 insertions, 0 deletions

diff --git a/pkg/api/server/register_generate.go b/pkg/api/server/register_generate.go
index 47057959c..6b7f0cfe7 100644
--- a/pkg/api/server/register_generate.go
+++ b/pkg/api/server/register_generate.go
@@ -72,6 +72,27 @@ func (s *APIServer) registerGenerateHandlers(r *mux.Router) error {
 	//    type: integer
 	//    default: 0
 	//    description: Configures the time to sleep before restarting a service.
+	//  - in: query
+	//    name: wants
+	//    type: array
+	//    items:
+	//        type: string
+	//    default: []
+	//    description: Systemd Wants list for the container or pods.
+	//  - in: query
+	//    name: after
+	//    type: array
+	//    items:
+	//        type: string
+	//    default: []
+	//    description: Systemd After list for the container or pods.
+	//  - in: query
+	//    name: requires
+	//    type: array
+	//    items:
+	//        type: string
+	//    default: []
+	//    description: Systemd Requires list for the container or pods.
 	// produces:
 	// - application/json
 	// responses: