fix lint for yaml

.gitlab-ci.yml

@@ -4,3 +4,9 @@ lint-python:
   script:
     - pip install tox flake8
     - flake8
+lint-yaml:
+  stage: test
+  image: python:latest
+  script:
+    - pip install yamllint
+    - yamllint *.yaml

alert.yaml

@@ -1,3 +1,4 @@
+---
 process_name: test process
 step1:
   max: 1
@@ -9,4 +10,4 @@ step2:
 step3:
   max: 1
   min: 1
-  name: new_service
+  name: new_service

blank.yaml

@@ -1,3 +1,4 @@
+---
 process_name: test process
 step1:
   max: 1
@@ -9,4 +10,4 @@ step2:
 step3:
   max: 1
   min: 1
-  name: new_service
+  name: new_service

full_run_rand.yaml

@@ -1,3 +1,4 @@
+---
 process_name: test process
 step1:
   max: 1
@@ -82,4 +83,4 @@ step17:
     plugin: bibles
 step18:
   delay: 0.1
-  name: load_service_sequential
+  name: load_service_sequential

full_run_seq.yaml

@@ -1,3 +1,4 @@
+---
 process_name: test process
 step1:
   max: 1
@@ -82,4 +83,4 @@ step17:
     plugin: bibles
 step18:
   delay: 0.1
-  name: load_service_random
+  name: load_service_random

media.yaml

@@ -1,3 +1,4 @@
+---
 process_name: test process
 step1:
   max: 1
@@ -39,4 +40,4 @@ step11:
   name: media_play
 step12:
   delay: 5
-  name: media_stop
+  name: media_stop

test.yaml

@@ -1,3 +1,4 @@
+---
 process_name: test process
 step1:
   max: 1
@@ -22,4 +23,4 @@ step5:
     plugin: songs
 step6:
   delay: 0.1
-  name: load_service_sequential
+  name: load_service_sequential