XENG-8909 Add test for service container communication

Author: Jacob Truman

tests/runservicecontainer/Dockerfile

@@ -1,3 +1,4 @@
 ARG DOCKER_REGISTRY
 FROM $DOCKER_REGISTRY/rockylinux:8.5
-RUN yum -y install curl
+RUN mkdir /results
+VOLUME /results

tests/test-files/test-general-buildx.yaml

@@ -104,8 +104,6 @@ steps:
       image: {{ DOCKER_REGISTRY }}/rockylinux:8.5
       cmd: 'echo "hello" > /hello.txt'
       post-build:
-        # use a different container here to make sure inject overrides
-        #path: runservicecontainer
         inject:
           'tests/postbuildpath/Dockerfile': '/'
     push:

tests/test-files/test-general.yaml

@@ -105,8 +105,6 @@ steps:
       image: {{ DOCKER_REGISTRY }}/rockylinux:8.5
       cmd: 'echo "hello" > /hello.txt'
       post-build:
-        # use a different container here to make sure inject overrides
-        #path: runservicecontainer
         inject:
           'tests/postbuildpath/Dockerfile': '/'
     push:

tests/test-files/test-services.yaml

@@ -0,0 +1,22 @@
+steps:
+  my-services-step:
+    run:
+      image: rockylinux:8.5
+      volumes_from:
+        - stats1
+      cmds:
+        - timeout 20 sh -c 'while [ ! -e /results/stats1 ] || [ ! -e /results/stats2 ] || [ ! -e /results/stats3 ]; do sleep 5; done'
+      services:
+        stats1:
+          build: tests/runservicecontainer
+          cmd: until ping -c1 stats2 >/dev/null 2>&1 && ping -c1 stats3 >/dev/null 2>&1; do sleep 5; done && touch /results/stats1
+        stats2:
+          build: tests/runservicecontainer
+          volumes_from:
+            - stats1
+          cmd: until ping -c1 stats1 >/dev/null 2>&1 && ping -c1 stats3 >/dev/null 2>&1; do sleep 5; done && touch /results/stats2
+        stats3:
+          build: tests/runservicecontainer
+          volumes_from:
+            - stats1
+          cmd: until ping -c1 stats1 >/dev/null 2>&1 && ping -c1 stats2 >/dev/null 2>&1; do sleep 5; done && touch /results/stats3