Merge lp:~bigdata-dev/charms/bundles/realtime-syslog-analytics/bundle into lp:~charmers/charms/bundles/realtime-syslog-analytics/bundle

[Cory Johns]

Test fixes for the CWR

[Tim Van Steenburgh (tvansteenburgh)]

review: Approve

=== modified file 'bundle.yaml'
--- bundle.yaml	2015-09-22 03:52:32 +0000
+++ bundle.yaml	2015-10-02 19:59:25 +0000
@@ -31,7 +31,7 @@
       gui-x: "900"
       gui-y: "200"
   rsyslog-forwarder:
-    charm: cs:trusty/rsyslog-forwarder-ha-4
+    charm: cs:trusty/rsyslog-forwarder-ha-5
     annotations:
       gui-x: "900"
       gui-y: "600"

=== added directory 'tests'
=== added file 'tests/00-setup'
--- tests/00-setup	1970-01-01 00:00:00 +0000
+++ tests/00-setup	2015-10-02 19:59:25 +0000
@@ -0,0 +1,8 @@
+#!/bin/bash
+
+if ! python3 -c 'import amulet' &> /dev/null; then
+    echo Installing Amulet...
+    sudo add-apt-repository -y ppa:juju/stable
+    sudo apt-get update
+    sudo apt-get -y install amulet
+fi

=== added file 'tests/01-bundle.py'
--- tests/01-bundle.py	1970-01-01 00:00:00 +0000
+++ tests/01-bundle.py	2015-10-02 19:59:25 +0000
@@ -0,0 +1,154 @@
+#!/usr/bin/env python3
+
+import re
+import os
+import unittest
+import textwrap
+
+import yaml
+import amulet
+
+
+class TestBundle(unittest.TestCase):
+    bundle_file = os.path.join(os.path.dirname(__file__), '..', 'bundle.yaml')
+
+    @classmethod
+    def setUpClass(cls):
+        cls.d = amulet.Deployment(series='trusty')
+        with open(cls.bundle_file) as f:
+            bun = f.read()
+        bundle = yaml.safe_load(bun)
+        cls.d.load(bundle)
+        cls.d.setup(timeout=1800)
+        cls.d.sentry.wait_for_messages({
+            'compute-slave': 'Ready',
+            'plugin': 'Ready',
+            'zeppelin': 'Ready',
+            'flume-syslog': 'Ready',
+        }, timeout=1800)
+        cls.hdfs = cls.d.sentry['hdfs-master'][0]
+        cls.yarn = cls.d.sentry['yarn-master'][0]
+        cls.slave = cls.d.sentry['compute-slave'][0]
+        cls.secondary = cls.d.sentry['secondary-namenode'][0]
+        cls.spark = cls.d.sentry['spark'][0]
+        cls.zeppelin = cls.d.sentry['zeppelin'][0]
+
+    def test_components(self):
+        """
+        Confirm that all of the required components are up and running.
+        """
+        hdfs, retcode = self.hdfs.run("pgrep -a java")
+        yarn, retcode = self.yarn.run("pgrep -a java")
+        slave, retcode = self.slave.run("pgrep -a java")
+        secondary, retcode = self.secondary.run("pgrep -a java")
+        spark, retcode = self.spark.run("pgrep -a java")
+
+        # .NameNode needs the . to differentiate it from SecondaryNameNode
+        assert '.NameNode' in hdfs, "NameNode not started"
+        assert '.NameNode' not in yarn, "NameNode should not be running on yarn-master"
+        assert '.NameNode' not in slave, "NameNode should not be running on compute-slave"
+        assert '.NameNode' not in secondary, "NameNode should not be running on secondary-namenode"
+        assert '.NameNode' not in spark, "NameNode should not be running on spark"
+
+        assert 'ResourceManager' in yarn, "ResourceManager not started"
+        assert 'ResourceManager' not in hdfs, "ResourceManager should not be running on hdfs-master"
+        assert 'ResourceManager' not in slave, "ResourceManager should not be running on compute-slave"
+        assert 'ResourceManager' not in secondary, "ResourceManager should not be running on secondary-namenode"
+        assert 'ResourceManager' not in spark, "ResourceManager should not be running on spark"
+
+        assert 'JobHistoryServer' in yarn, "JobHistoryServer not started"
+        assert 'JobHistoryServer' not in hdfs, "JobHistoryServer should not be running on hdfs-master"
+        assert 'JobHistoryServer' not in slave, "JobHistoryServer should not be running on compute-slave"
+        assert 'JobHistoryServer' not in secondary, "JobHistoryServer should not be running on secondary-namenode"
+        assert 'JobHistoryServer' not in spark, "JobHistoryServer should not be running on spark"
+
+        assert 'NodeManager' in slave, "NodeManager not started"
+        assert 'NodeManager' not in yarn, "NodeManager should not be running on yarn-master"
+        assert 'NodeManager' not in hdfs, "NodeManager should not be running on hdfs-master"
+        assert 'NodeManager' not in secondary, "NodeManager should not be running on secondary-namenode"
+        assert 'NodeManager' not in spark, "NodeManager should not be running on spark"
+
+        assert 'DataNode' in slave, "DataServer not started"
+        assert 'DataNode' not in yarn, "DataNode should not be running on yarn-master"
+        assert 'DataNode' not in hdfs, "DataNode should not be running on hdfs-master"
+        assert 'DataNode' not in secondary, "DataNode should not be running on secondary-namenode"
+        assert 'DataNode' not in spark, "DataNode should not be running on spark"
+
+        assert 'SecondaryNameNode' in secondary, "SecondaryNameNode not started"
+        assert 'SecondaryNameNode' not in yarn, "SecondaryNameNode should not be running on yarn-master"
+        assert 'SecondaryNameNode' not in hdfs, "SecondaryNameNode should not be running on hdfs-master"
+        assert 'SecondaryNameNode' not in slave, "SecondaryNameNode should not be running on compute-slave"
+        assert 'SecondaryNameNode' not in spark, "SecondaryNameNode should not be running on spark"
+
+        assert 'spark' in spark, 'Spark should be running on spark'
+        assert 'zeppelin' in spark, 'Zeppelin should be running on spark'
+
+    def test_hdfs_dir(self):
+        """
+        Validate admin few hadoop activities on HDFS cluster.
+            1) This test validates mkdir on hdfs cluster
+            2) This test validates change hdfs dir owner on the cluster
+            3) This test validates setting hdfs directory access permission on the cluster
+
+        NB: These are order-dependent, so must be done as part of a single test case.
+        """
+        output, retcode = self.spark.run("su hdfs -c 'hdfs dfs -mkdir -p /user/ubuntu'")
+        assert retcode == 0, "Created a user directory on hdfs FAILED:\n{}".format(output)
+        output, retcode = self.spark.run("su hdfs -c 'hdfs dfs -chown ubuntu:ubuntu /user/ubuntu'")
+        assert retcode == 0, "Assigning an owner to hdfs directory FAILED:\n{}".format(output)
+        output, retcode = self.spark.run("su hdfs -c 'hdfs dfs -chmod -R 755 /user/ubuntu'")
+        assert retcode == 0, "seting directory permission on hdfs FAILED:\n{}".format(output)
+        output, retcode = self.spark.run("su hdfs -c 'hdfs dfs -rmdir /user/ubuntu'")
+
+    def test_yarn_mapreduce_exe(self):
+        """
+        Validate yarn mapreduce operations:
+            1) validate mapreduce execution - writing to hdfs
+            2) validate successful mapreduce operation after the execution
+            3) validate mapreduce execution - reading and writing to hdfs
+            4) validate successful mapreduce operation after the execution
+            5) validate successful deletion of mapreduce operation result from hdfs
+
+        NB: These are order-dependent, so must be done as part of a single test case.
+        """
+        jar_file = '/usr/lib/hadoop/share/hadoop/mapreduce/hadoop-mapreduce-examples-*.jar'
+        test_steps = [
+            ('teragen',      "su ubuntu -c 'hadoop jar {} teragen  10000 /user/ubuntu/teragenout'".format(jar_file)),
+            ('mapreduce #1', "su hdfs -c 'hdfs dfs -ls /user/ubuntu/teragenout/_SUCCESS'"),
+            ('terasort',     "su ubuntu -c 'hadoop jar {} terasort /user/ubuntu/teragenout /user/ubuntu/terasortout'".
+                format(jar_file)),
+            ('mapreduce #2', "su hdfs -c 'hdfs dfs -ls /user/ubuntu/terasortout/_SUCCESS'"),
+            ('cleanup',      "su hdfs -c 'hdfs dfs -rm -r /user/ubuntu/teragenout'"),
+        ]
+        for name, step in test_steps:
+            output, retcode = self.spark.run(step)
+            assert retcode == 0, "{} FAILED:\n{}".format(name, output)
+
+    def test_spark(self):
+        output, retcode = self.spark.run("su ubuntu -c 'bash -lc /home/ubuntu/sparkpi.sh 2>&1'")
+        assert 'Pi is roughly' in output, 'SparkPI test failed: %s' % output
+
+    def test_ingest(self):
+        self.spark.ssh('ls /home/ubuntu')  # ensure at least one pure ssh session for the logs
+        for i in amulet.helpers.timeout_gen(60 * 5):  # wait for the log messages to be ingested
+            output, retcode = self.spark.run("su hdfs -c 'hdfs dfs -ls /user/flume/flume-syslog/*/*'")
+            if retcode == 0 and 'FlumeData' in output:
+                break
+
+        ssh_count = textwrap.dedent("""
+            from pyspark import SparkContext
+            sc = SparkContext(appName="ssh-count")
+            count = sc.textFile("/user/flume/flume-syslog/*/*").filter(lambda line: "sshd" in line).count()
+            print "SSH Logins: %s" % count
+        """)
+        output, retcode = self.spark.run("cat << EOP > /home/ubuntu/ssh-count.py\n{}\nEOP".format(ssh_count))
+        assert retcode == 0
+        output, retcode = self.spark.run("su ubuntu -c 'spark-submit --master yarn-client /home/ubuntu/ssh-count.py'")
+        assert re.search(r'SSH Logins: [1-9][0-9]*', output), 'ssh-count.py failed: %s' % output
+
+    def test_zeppelin(self):
+        pass  # requires javascript; how to test?
+
+
+if __name__ == '__main__':
+    unittest.main()