Added Oozie DIB element

* New element name is 'oozie'
* Parameters for Oozie libs are OOZIE_DOWNLOAD_URL and OOZIE_FILE

Implements: blueprint edp-dib-element-oozie-vanilla

Change-Id: I7e107b51d5aef5d225690c0f7633dbccc072fe27

elements/README.rst

@@ -32,7 +32,7 @@ Steps how to create cloud image with Apache Hadoop installed using diskimage-bui
 
 .. sourcecode:: bash
 
-    JAVA_FILE=jdk-7u21-linux-x64.tar.gz DIB_HADOOP_VERSION=1.1.2 disk-image-create base vm hadoop ubuntu root-passwd -o hadoop_1_1_2
+    JAVA_FILE=jdk-7u21-linux-x64.tar.gz DIB_HADOOP_VERSION=1.1.2 OOZIE_FILE=oozie-3.3.2.tar.gz disk-image-create base vm hadoop oozie ubuntu root-passwd -o hadoop_1_1_2
 
 6.2. Fedora cloud image
 
@@ -51,3 +51,7 @@ In this command 'DIB_HADOOP_VERSION' parameter is version of hadoop needs to be
 You can use 'JAVA_DOWNLOAD_URL' parameter to specify download link for JDK (tarball or bin).
 'DIB_IMAGE_SIZE' is parameter that specifes a volume of hard disk of instance. You need to specify it because Fedora doesn't use all available volume.
 If you have already downloaded the jdk package, move it to "elements/hadoop/install.d/" and use its filename as 'JAVA_FILE' parameter.
+In order of working EDP components with Savanna DIB images you need pre-installed Oozie libs.
+Use OOZIE_DOWNLOAD_URL to specify link to Oozie archive (tar.gz). For example we have built Oozie libs here:
+http://a8e0dce84b3f00ed7910-a5806ff0396addabb148d230fde09b7b.r31.cf1.rackcdn.com/oozie-3.3.2.tar.gz
+If you have already downloaded archive, move it to "elements/oozie/install.d/" and use its filename as 'OOZIE_FILE' parameter.

elements/oozie/README.md

@@ -0,0 +1 @@
+Oozie deployment

elements/oozie/install.d/50-setup-oozie

@@ -0,0 +1,21 @@
+#!/bin/bash
+echo "Oozie setup"
+
+install-packages zip unzip tar wget
+
+if [ -n "$OOZIE_DOWNLOAD_URL" ]; then
+   wget -P /opt/ $OOZIE_DOWNLOAD_URL
+   OOZIE_FILE=$(basename $OOZIE_DOWNLOAD_URL)
+   OOZIE_DIR="${OOZIE_FILE%.*}"
+   OOZIE_DIR="${OOZIE_DIR%.*}"
+elif [ -n "$OOZIE_FILE" ]; then
+    install -D -g root -o root -m 0755 $(dirname $0)/$OOZIE_FILE /opt
+    OOZIE_DIR="${OOZIE_FILE%.*}"
+    OOZIE_DIR="${OOZIE_DIR%.*}"
+fi
+wget -P /tmp/ http://extjs.com/deploy/ext-2.2.zip
+
+cd /opt/
+tar xzf $OOZIE_FILE
+mv $OOZIE_DIR oozie
+rm $OOZIE_FILE

elements/oozie/post-install.d/90-oozie-war

@@ -0,0 +1,7 @@
+#!/bin/bash
+
+mkdir /opt/oozie/libext/
+cp -r /usr/share/hadoop/*.jar /opt/oozie/libext
+cp -r /usr/share/hadoop/lib/*.jar /opt/oozie/libext
+chown -R hadoop:hadoop /opt/oozie
+su hadoop -c "/opt/oozie/bin/oozie-setup.sh prepare-war -extjs /tmp/ext-2.2.zip -jars /usr/share/hadoop/lib/*.jar:/usr/share/hadoop/*.jar"

elements/oozie/root.d/0-check

@@ -0,0 +1,9 @@
+#!/bin/bash
+set -e
+
+if [ -z "$OOZIE_DOWNLOAD_URL" ]; then
+   if [ -z "$OOZIE_FILE" ]; then
+      echo "OOZIE_FILE and OOZIE_DOWNLOAD_URL are not set. Impossible to install Oozie. Exit"
+      exit 1
+   fi
+fi