Adding application definition for memcached

Change-Id: I68ab7a8315e38a17c89b08ae71672dee6006227a

docker/memcached/Dockerfile.j2

@@ -1,8 +1,6 @@
 FROM {{ namespace }}/base-tools:{{ tag }}
 MAINTAINER {{ maintainer }}
 
-ENV DEBIAN_FRONTEND "noninteractive"
-
 RUN apt-get update \
     && apt-get install -q -y -o Dpkg::Options::="--force-confdef" -o Dpkg::Options::="--force-confold" memcached \
     && rm -rf /var/lib/apt/lists/* \
@@ -10,9 +8,3 @@ RUN apt-get update \
 
 RUN useradd --user-group memcached \
     && usermod -a -G microservices memcached
-
-USER memcached
-EXPOSE 11211
-
-# ChancheMe to template in future
-CMD ["memcached", "-v", "-u", "memcached",  "-l", "0.0.0.0", "-m", "256"]

service/files/defaults.yaml

@@ -0,0 +1,4 @@
+configs:
+    memcached_addr: 0.0.0.0
+    memcached_port: 11211
+    memcached_ram: 256

service/memcached-deployment.yaml.j2

@@ -1,16 +0,0 @@
-apiVersion: extensions/v1beta1
-kind: Deployment
-metadata:
-  name: memcached-deployment
-spec:
-  replicas: 3
-  template:
-    metadata:
-      labels:
-        app: memcached
-    spec:
-      containers:
-      - name: memcached
-        image: nextgen/memcached:v1
-        ports:
-        - containerPort: 11211

service/memcached.yaml

@@ -0,0 +1,10 @@
+service:
+    name: memcached
+    ports:
+        - memcached_port
+    probes:
+        readiness: "true"
+        liveness: "true"
+    daemon:
+        command: memcached -v -u memcached -l {{ memcached_addr }} -m {{ memcached_ram }}
+        user: memcached

test-requirements.txt

@@ -0,0 +1,4 @@
+docker-py
+docker-compose
+requests==2.7.0
+pytest

tests/docker-compose.yml

@@ -1,4 +1,5 @@
 memcached:
-    image: mcp/memcached
+    image: memcachedbuild/memcached:latest
     ports:
       - 11219:11211
+    command: "memcached -v -u memcached -l 127.0.0.1"

tox.ini

@@ -8,9 +8,7 @@ commands = bash -c "exit 0"
 
 [testenv:py27]
 deps =
-    docker-py
-    docker-compose
-    pytest
+    -r{toxinidir}/test-requirements.txt
 changedir={toxinidir}/tests
 commands =
     py.test -vv {posargs}