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From jonathanhur...@apache.org
Subject [23/50] [abbrv] AMBARI-7292. Create stack definitions for Bigtop 0.8 (Newton Alex via vgogate)
Date Wed, 01 Oct 2014 15:27:21 GMT
http://git-wip-us.apache.org/repos/asf/ambari/blob/83efcfea/ambari-server/src/main/resources/stacks/BIGTOP/0.8/services/HDFS/package/files/checkForFormat.sh
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/resources/stacks/BIGTOP/0.8/services/HDFS/package/files/checkForFormat.sh
b/ambari-server/src/main/resources/stacks/BIGTOP/0.8/services/HDFS/package/files/checkForFormat.sh
new file mode 100644
index 0000000..d22d901
--- /dev/null
+++ b/ambari-server/src/main/resources/stacks/BIGTOP/0.8/services/HDFS/package/files/checkForFormat.sh
@@ -0,0 +1,68 @@
+#!/usr/bin/env bash
+#
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+#
+
+export hdfs_user=$1
+shift
+export conf_dir=$1
+shift
+export old_mark_dir=$1
+shift
+export mark_dir=$1
+shift
+export name_dirs=$*
+
+export EXIT_CODE=0
+export command="namenode -format"
+export list_of_non_empty_dirs=""
+
+mark_file=/var/run/hadoop/hdfs/namenode-formatted
+if [[ -f ${mark_file} ]] ; then
+  rm -f ${mark_file}
+  mkdir -p ${mark_dir}
+fi
+
+if [[ -d $old_mark_dir ]] ; then
+  mv ${old_mark_dir} ${mark_dir}
+fi
+
+if [[ ! -d $mark_dir ]] ; then
+  for dir in `echo $name_dirs | tr ',' ' '` ; do
+    echo "NameNode Dirname = $dir"
+    cmd="ls $dir | wc -l  | grep -q ^0$"
+    eval $cmd
+    if [[ $? -ne 0 ]] ; then
+      (( EXIT_CODE = $EXIT_CODE + 1 ))
+      list_of_non_empty_dirs="$list_of_non_empty_dirs $dir"
+    fi
+  done
+
+  if [[ $EXIT_CODE == 0 ]] ; then
+    su - ${hdfs_user} -c "yes Y | hadoop --config ${conf_dir} ${command}"
+  else
+    echo "ERROR: Namenode directory(s) is non empty. Will not format the namenode. List of
non-empty namenode dirs ${list_of_non_empty_dirs}"
+  fi
+else
+  echo "${mark_dir} exists. Namenode DFS already formatted"
+fi
+
+exit $EXIT_CODE
+

http://git-wip-us.apache.org/repos/asf/ambari/blob/83efcfea/ambari-server/src/main/resources/stacks/BIGTOP/0.8/services/HDFS/package/files/checkWebUI.py
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/resources/stacks/BIGTOP/0.8/services/HDFS/package/files/checkWebUI.py
b/ambari-server/src/main/resources/stacks/BIGTOP/0.8/services/HDFS/package/files/checkWebUI.py
new file mode 100644
index 0000000..f8e9c1a
--- /dev/null
+++ b/ambari-server/src/main/resources/stacks/BIGTOP/0.8/services/HDFS/package/files/checkWebUI.py
@@ -0,0 +1,53 @@
+#!/usr/bin/env python
+
+'''
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements.  See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership.  The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License.  You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+'''
+
+import optparse
+import httplib
+
+#
+# Main.
+#
+def main():
+  parser = optparse.OptionParser(usage="usage: %prog [options] component ")
+  parser.add_option("-m", "--hosts", dest="hosts", help="Comma separated hosts list for WEB
UI to check it availability")
+  parser.add_option("-p", "--port", dest="port", help="Port of WEB UI to check it availability")
+
+  (options, args) = parser.parse_args()
+  
+  hosts = options.hosts.split(',')
+  port = options.port
+
+  for host in hosts:
+    try:
+      conn = httplib.HTTPConnection(host, port)
+      # This can be modified to get a partial url part to be sent with request
+      conn.request("GET", "/")
+      httpCode = conn.getresponse().status
+      conn.close()
+    except Exception:
+      httpCode = 404
+
+    if httpCode != 200:
+      print "Cannot access WEB UI on: http://" + host + ":" + port
+      exit(1)
+      
+
+if __name__ == "__main__":
+  main()


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