Add memcached image (required by Swift)

Co-Authored-By: Paul Bourke <paul.bourke@oracle.com>
Partially Implements: Blueprint swift-container

Change-Id: I9d732b120c6a6354fe450cfc3f00dd2469bb9265

10 files changed, 57 insertions, 0 deletions

diff --git a/compose/memcached.yml b/compose/memcached.yml
new file mode 100644
index 000000000..77c7904dc
--- /dev/null
+++ b/compose/memcached.yml
@@ -0,0 +1,7 @@
+memcached:
+  image: kollaglue/centos-rdo-memcached:latest
+  name: memcached
+  restart: always
+  net: "host"
+  env_file:
+   - openstack.env
diff --git a/docker/centos/binary/memcached/Dockerfile b/docker/centos/binary/memcached/Dockerfile
new file mode 100644
index 000000000..019eb4312
--- /dev/null
+++ b/docker/centos/binary/memcached/Dockerfile
@@ -0,0 +1,10 @@
+FROM %%KOLLA_NAMESPACE%%/%%KOLLA_PREFIX%%base:%%KOLLA_TAG%%
+MAINTAINER Kolla Project (https://launchpad.net/kolla)
+
+RUN yum -y install memcached && yum clean all
+
+COPY start.sh /
+
+COPY config-internal.sh config-external.sh /opt/kolla/
+
+CMD ["/start.sh"]
diff --git a/docker/centos/binary/memcached/build b/docker/centos/binary/memcached/build
new file mode 120000
index 000000000..8d652f7ee
--- /dev/null
+++ b/docker/centos/binary/memcached/build
@@ -0,0 +1 @@
+../../../../tools/build-docker-image
\ No newline at end of file
diff --git a/docker/centos/binary/memcached/config-external.sh b/docker/centos/binary/memcached/config-external.sh
new file mode 120000
index 000000000..1b684c65a
--- /dev/null
+++ b/docker/centos/binary/memcached/config-external.sh
@@ -0,0 +1 @@
+../../../../docker/common/memcached/config-external.sh
\ No newline at end of file
diff --git a/docker/centos/binary/memcached/config-internal.sh b/docker/centos/binary/memcached/config-internal.sh
new file mode 120000
index 000000000..7ae7016a6
--- /dev/null
+++ b/docker/centos/binary/memcached/config-internal.sh
@@ -0,0 +1 @@
+../../../../docker/common/memcached/config-internal.sh
\ No newline at end of file
diff --git a/docker/centos/binary/memcached/start.sh b/docker/centos/binary/memcached/start.sh
new file mode 120000
index 000000000..93a7705bb
--- /dev/null
+++ b/docker/centos/binary/memcached/start.sh
@@ -0,0 +1 @@
+../../../common/memcached/start.sh
\ No newline at end of file
diff --git a/docker/common/memcached/config-external.sh b/docker/common/memcached/config-external.sh
new file mode 100755
index 000000000..ab9593896
--- /dev/null
+++ b/docker/common/memcached/config-external.sh
@@ -0,0 +1,10 @@
+#!/bin/bash
+SOURCE="/opt/kolla/memcached/memcached"
+TARGET="/etc/sysconfig/memcached"
+OWNER="swift"
+
+if [[ -f "$SOURCE" ]]; then
+    cp $SOURCE $TARGET
+    chown ${OWNER}: $TARGET
+    chmod 0644 $TARGET
+fi
diff --git a/docker/common/memcached/config-internal.sh b/docker/common/memcached/config-internal.sh
new file mode 100755
index 000000000..f27cf1a83
--- /dev/null
+++ b/docker/common/memcached/config-internal.sh
@@ -0,0 +1,8 @@
+#!/bin/bash
+
+set -o errexit
+
+CMD="/usr/bin/memcached"
+ARGS="-u memcached -vv"
+
+exec $CMD $ARGS
diff --git a/docker/common/memcached/start.sh b/docker/common/memcached/start.sh
new file mode 100755
index 000000000..5348a3b5e
--- /dev/null
+++ b/docker/common/memcached/start.sh
@@ -0,0 +1,14 @@
+#!/bin/bash
+
+set -o errexit
+
+CMD="/usr/bin/memcached"
+ARGS="-u memcached -vv"
+
+# Loading common functions.
+source /opt/kolla/kolla-common.sh
+
+# Config-internal script exec out of this function, it does not return here.
+set_configs
+
+exec $CMD $ARGS
diff --git a/docs/minimal-environment-vars.md b/docs/minimal-environment-vars.md
index 53c68af54..a8ff612f7 100644
--- a/docs/minimal-environment-vars.md
+++ b/docs/minimal-environment-vars.md
@@ -334,6 +334,10 @@ In order for each service to function, there is a minimum set of required variab
 
     None
 
+# Memcached
+
+    None
+
 # Mongodb
 
     None