def install_java():
"""Install java just like we do for Hadoop Base.
This is the same method used to install java in HadoopBase:
https://github.com/juju-solutions/jujubigdata/blob/master/jujubigdata/handlers.py#L134
This allows us to run Pig in local mode (which requires Java) without
any Hadoop. If Hadoop comes along later, we'll already have java installed
in a way that is compatible with the plugin.
NOTE: this will go away if/when we support the java interface.
"""
env = utils.read_etc_env()
java_installer = Path(jujuresources.resource_path('java-installer'))
java_installer.chmod(0o755)
output = check_output([java_installer], env=env).decode('utf8')
lines = output.strip().splitlines()
if len(lines) != 2:
raise ValueError('Unexpected output from java-installer: %s' % output)
java_home, java_version = lines
if '_' in java_version:
java_major, java_release = java_version.split("_")
else:
java_major, java_release = java_version, ''
unitdata.kv().set('java.home', java_home)
unitdata.kv().set('java.version', java_major)
unitdata.kv().set('java.version.release', java_release)
def reconfigure_zeppelin(self):
'''
Configure zeppelin based on current environment
'''
raise NotImplementedError()
# NB (kwm): this method is not currently called because Bigtop spark
# doesn't expose these settings. Leaving this here just in case
# we update the bigtop charms to provide these bits in the future.
etc_env = utils.read_etc_env()
hadoop_extra_classpath = etc_env.get('HADOOP_EXTRA_CLASSPATH', '')
spark_driver_mem = etc_env.get('SPARK_DRIVER_MEMORY', '1g')
spark_exe_mode = os.environ.get('MASTER', 'yarn-client')
spark_executor_mem = etc_env.get('SPARK_EXECUTOR_MEMORY', '1g')
zeppelin_env = self.dist_config.path(
'zeppelin_conf') / 'zeppelin-env.sh'
with open(zeppelin_env, "a") as f:
f.write('export ZEPPELIN_CLASSPATH_OVERRIDES={}\n'.format(
hadoop_extra_classpath))
f.write(
'export ZEPPELIN_JAVA_OPTS="-Dspark.driver.memory={} -Dspark.executor.memory={}"\n'
.format(spark_driver_mem, spark_executor_mem))
f.write(
'export SPARK_SUBMIT_OPTIONS="--driver-memory {} --executor-memory {}"\n'
.format(spark_driver_mem, spark_executor_mem))
f.write('export MASTER={}\n'.format(spark_exe_mode))
def install_java(self):
"""
Run the java-installer resource to install Java and determine
the JAVA_HOME and Java version.
The java-installer must be idempotent and its only output (on stdout)
should be two lines: the JAVA_HOME path, and the Java version, respectively.
If there is an error installing Java, the installer should exit
with a non-zero exit code.
"""
env = utils.read_etc_env()
java_installer = Path(jujuresources.resource_path('java-installer'))
java_installer.chmod(0o755)
output = check_output([java_installer], env=env).decode('utf8')
lines = output.strip().splitlines()
if len(lines) != 2:
raise ValueError('Unexpected output from java-installer: %s' %
output)
java_home, java_version = lines
if '_' in java_version:
java_major, java_release = java_version.split("_")
else:
java_major, java_release = java_version, ''
unitdata.kv().set('java.home', java_home)
unitdata.kv().set('java.version', java_major)
unitdata.kv().set('java.version.release', java_release)
def install_java(self):
"""
Run the java-installer resource to install Java and determine
the JAVA_HOME and Java version.
The java-installer must be idempotent and its only output (on stdout)
should be two lines: the JAVA_HOME path, and the Java version, respectively.
If there is an error installing Java, the installer should exit
with a non-zero exit code.
"""
env = utils.read_etc_env()
java_installer = Path(jujuresources.resource_path('java-installer'))
java_installer.chmod(0o755)
output = check_output([java_installer], env=env).decode('utf8')
lines = output.strip().splitlines()
if len(lines) != 2:
raise ValueError('Unexpected output from java-installer: %s' % output)
java_home, java_version = lines
if '_' in java_version:
java_major, java_release = java_version.split("_")
else:
java_major, java_release = java_version, ''
unitdata.kv().set('java.home', java_home)
unitdata.kv().set('java.version', java_major)
unitdata.kv().set('java.version.release', java_release)
def install_java():
"""Install java just like we do for Hadoop Base.
This is the same method used to install java in HadoopBase:
https://github.com/juju-solutions/jujubigdata/blob/master/jujubigdata/handlers.py#L134
This allows us to run Pig in local mode (which requires Java) without
any Hadoop. If Hadoop comes along later, we'll already have java installed
in a way that is compatible with the plugin.
NOTE: this will go away if/when we support the java interface.
"""
env = utils.read_etc_env()
java_installer = Path(jujuresources.resource_path('java-installer'))
java_installer.chmod(0o755)
output = check_output([java_installer], env=env).decode('utf8')
lines = output.strip().splitlines()
if len(lines) != 2:
raise ValueError('Unexpected output from java-installer: %s' % output)
java_home, java_version = lines
if '_' in java_version:
java_major, java_release = java_version.split("_")
else:
java_major, java_release = java_version, ''
unitdata.kv().set('java.home', java_home)
unitdata.kv().set('java.version', java_major)
unitdata.kv().set('java.version.release', java_release)
def configure_zeppelin(self):
'''
Configure zeppelin environment for all users
'''
zeppelin_bin = self.dist_config.path('zeppelin') / 'bin'
with utils.environment_edit_in_place('/etc/environment') as env:
if zeppelin_bin not in env['PATH']:
env['PATH'] = ':'.join([env['PATH'], zeppelin_bin])
env['ZEPPELIN_CONF_DIR'] = self.dist_config.path('zeppelin_conf')
zeppelin_site = self.dist_config.path(
'zeppelin_conf') / 'zeppelin-site.xml'
with utils.xmlpropmap_edit_in_place(zeppelin_site) as xml:
xml['zeppelin.server.port'] = self.dist_config.port('zeppelin')
xml['zeppelin.notebook.dir'] = self.dist_config.path(
'zeppelin_notebooks')
etc_env = utils.read_etc_env()
hadoop_conf_dir = etc_env.get('HADOOP_CONF_DIR', '/etc/hadoop/conf')
spark_home = etc_env.get('SPARK_HOME', '/usr/lib/spark')
spark_driver_mem = etc_env.get('SPARK_DRIVER_MEMORY', '1g')
spark_exe_mode = os.environ.get('MASTER', 'yarn-client')
spark_executor_mem = etc_env.get('SPARK_EXECUTOR_MEMORY', '1g')
zeppelin_env = self.dist_config.path(
'zeppelin_conf') / 'zeppelin-env.sh'
with open(zeppelin_env, "a") as f:
f.write('export ZEPPELIN_HOME={}\n'.format(
self.dist_config.path('zeppelin')))
f.write(
'export ZEPPELIN_JAVA_OPTS="-Dspark.driver.memory={} -Dspark.executor.memory={}"\n'
.format(spark_driver_mem, spark_executor_mem))
f.write('export ZEPPELIN_LOG_DIR={}\n'.format(
self.dist_config.path('zeppelin_logs')))
f.write(
'export ZEPPELIN_MEM="-Xms128m -Xmx1024m -XX:MaxPermSize=512m"\n'
)
f.write('export ZEPPELIN_NOTEBOOK_DIR={}\n'.format(
self.dist_config.path('zeppelin_notebooks')))
f.write('export SPARK_HOME={}\n'.format(spark_home))
f.write(
'export SPARK_SUBMIT_OPTIONS="--driver-memory {} --executor-memory {}"\n'
.format(spark_driver_mem, spark_executor_mem))
f.write('export HADOOP_CONF_DIR={}\n'.format(hadoop_conf_dir))
f.write(
'export PYTHONPATH={s}/python:{s}/python/lib/py4j-0.8.2.1-src.zip\n'
.format(s=spark_home))
f.write('export MASTER={}\n'.format(spark_exe_mode))
# User needs write access to zepp's conf to write interpreter.json
# on server start. chown the whole conf dir, though we could probably
# touch that file and chown it, leaving the rest owned as root:root.
# TODO: weigh implications of have zepp's conf dir owned by non-root.
cmd = "chown -R ubuntu:hadoop {}".format(
self.dist_config.path('zeppelin_conf'))
call(cmd.split())
def run_bg(self, user, command, *args):
"""
Run a Kafka command as the `kafka` user in the background.
:param str command: Command to run
:param list args: Additional args to pass to the command
"""
parts = [command] + list(args)
quoted = ' '.join("'%s'" % p for p in parts)
e = utils.read_etc_env()
Popen(['su', user, '-c', quoted], env=e)
def configure_yarn_mode(self):
# put the spark jar in hdfs
spark_assembly_jar = glob('{}/lib/spark-assembly-*.jar'.format(
self.dist_config.path('spark')))[0]
utils.run_as('hdfs', 'hdfs', 'dfs', '-mkdir', '-p',
'/user/ubuntu/share/lib')
try:
utils.run_as('hdfs', 'hdfs', 'dfs', '-put', spark_assembly_jar,
'/user/ubuntu/share/lib/spark-assembly.jar')
except CalledProcessError:
pass # jar already in HDFS from another Spark
with utils.environment_edit_in_place('/etc/environment') as env:
env['SPARK_JAR'] = "hdfs:///user/ubuntu/share/lib/spark-assembly.jar"
# create hdfs storage space for history server
dc = self.dist_config
prefix = dc.path('log_prefix')
events_dir = dc.path('spark_events')
events_dir = 'hdfs:///{}'.format(events_dir.replace(prefix, ''))
utils.run_as('hdfs', 'hdfs', 'dfs', '-mkdir', '-p', events_dir)
utils.run_as('hdfs', 'hdfs', 'dfs', '-chown', '-R', 'ubuntu:hadoop',
events_dir)
# create hdfs storage space for spark-bench
utils.run_as('hdfs', 'hdfs', 'dfs', '-mkdir', '-p',
'/user/ubuntu/spark-bench')
utils.run_as('hdfs', 'hdfs', 'dfs', '-chown', '-R', 'ubuntu:hadoop',
'/user/ubuntu/spark-bench')
# ensure user-provided Hadoop works
hadoop_classpath = utils.run_as('hdfs',
'hadoop',
'classpath',
capture_output=True)
spark_env = self.dist_config.path('spark_conf') / 'spark-env.sh'
utils.re_edit_in_place(spark_env, {
r'.*SPARK_DIST_CLASSPATH.*':
'SPARK_DIST_CLASSPATH={}'.format(hadoop_classpath),
},
append_non_matches=True)
# update spark-defaults
spark_conf = self.dist_config.path(
'spark_conf') / 'spark-defaults.conf'
etc_env = utils.read_etc_env()
utils.re_edit_in_place(spark_conf, {
r'.*spark.master .*':
'spark.master {}'.format(self.get_master()),
},
append_non_matches=True)
unitdata.kv().set('hdfs.available', True)
unitdata.kv().flush(True)
def run_bg(self, user, command, *args):
"""
Run a Hive command as the `hive` user in the background.
:param str command: Command to run
:param list args: Additional args to pass to the command
"""
parts = [command] + list(args)
quoted = ' '.join("'%s'" % p for p in parts)
e = utils.read_etc_env()
Popen(['su', user, '-c', quoted], env=e)
def run_bg(self, user, output_log, command, *args):
"""
Run a command as the given user in the background.
:param str user: User to run flume agent
:param str command: Command to run
:param list args: Additional args to pass to the command
"""
parts = [command] + list(args)
quoted = ' '.join("'%s'" % p for p in parts)
e = utils.read_etc_env()
Popen(['su', user, '-c', '{} &> {} &'.format(quoted, output_log)], env=e)
def run_bg(self, user, output_log, command, *args):
"""
Run a command as the given user in the background.
:param str user: User to run flume agent
:param str command: Command to run
:param list args: Additional args to pass to the command
"""
parts = [command] + list(args)
quoted = ' '.join("'%s'" % p for p in parts)
e = utils.read_etc_env()
Popen(['su', user, '-c', '{} &> {} &'.format(quoted, output_log)],
env=e)
def configure_hadoop_libs(self):
if unitdata.kv().get('hadoop.extra.installed', False):
return
spark_conf = self.dist_config.path('spark_conf') / 'spark-defaults.conf'
etc_env = utils.read_etc_env()
hadoop_extra_classpath = etc_env.get('HADOOP_EXTRA_CLASSPATH', '')
utils.re_edit_in_place(spark_conf, {
r'.*spark.driver.extraClassPath .*': 'spark.driver.extraClassPath {}'.format(hadoop_extra_classpath),
r'.*spark.jars .*': 'spark.jars {}'.format(hadoop_extra_classpath),
}, append_non_matches=True)
unitdata.kv().set('hadoop.extra.installed', True)
unitdata.kv().flush(True)
def run_bg(self, user, command, *args):
"""
Start a Flume agent as the given user in the background.
:param str user: User to run flume agent
:param str command: Command to run
:param list args: Additional args to pass to the command
"""
parts = [command] + list(args)
quoted = ' '.join("'%s'" % p for p in parts)
# This is here to force explicit execution on the background. Too much output causes Popen to fail.
silent = ' '.join([quoted, "2>", "/dev/null", "&"])
e = utils.read_etc_env()
Popen(['su', user, '-c', silent], env=e)
def configure_yarn_mode(self):
# put the spark jar in hdfs
spark_assembly_jar = glob('{}/lib/spark-assembly-*.jar'.format(
self.dist_config.path('spark')))[0]
utils.run_as('hdfs', 'hdfs', 'dfs', '-mkdir', '-p',
'/user/ubuntu/share/lib')
try:
utils.run_as('hdfs', 'hdfs', 'dfs', '-put', spark_assembly_jar,
'/user/ubuntu/share/lib/spark-assembly.jar')
except CalledProcessError:
pass # jar already in HDFS from another Spark
with utils.environment_edit_in_place('/etc/environment') as env:
env['SPARK_JAR'] = "hdfs:///user/ubuntu/share/lib/spark-assembly.jar"
# create hdfs storage space for history server
dc = self.dist_config
prefix = dc.path('log_prefix')
events_dir = dc.path('spark_events')
events_dir = 'hdfs:///{}'.format(events_dir.replace(prefix, ''))
utils.run_as('hdfs', 'hdfs', 'dfs', '-mkdir', '-p', events_dir)
utils.run_as('hdfs', 'hdfs', 'dfs', '-chown', '-R', 'ubuntu:hadoop',
events_dir)
# create hdfs storage space for spark-bench
utils.run_as('hdfs', 'hdfs', 'dfs', '-mkdir', '-p',
'/user/ubuntu/spark-bench')
utils.run_as('hdfs', 'hdfs', 'dfs', '-chown', '-R', 'ubuntu:hadoop',
'/user/ubuntu/spark-bench')
# ensure user-provided Hadoop works
hadoop_classpath = utils.run_as('hdfs', 'hadoop', 'classpath',
capture_output=True)
spark_env = self.dist_config.path('spark_conf') / 'spark-env.sh'
utils.re_edit_in_place(spark_env, {
r'.*SPARK_DIST_CLASSPATH.*': 'SPARK_DIST_CLASSPATH={}'.format(hadoop_classpath),
}, append_non_matches=True)
# update spark-defaults
spark_conf = self.dist_config.path('spark_conf') / 'spark-defaults.conf'
etc_env = utils.read_etc_env()
hadoop_extra_classpath = etc_env.get('HADOOP_EXTRA_CLASSPATH', '')
utils.re_edit_in_place(spark_conf, {
r'.*spark.master .*': 'spark.master {}'.format(self.get_master()),
r'.*spark.driver.extraClassPath .*': 'spark.driver.extraClassPath {}'.format(hadoop_extra_classpath),
}, append_non_matches=True)
unitdata.kv().set('hdfs.available', True)
unitdata.kv().flush(True)
def configure_zeppelin(self):
"""
Configure zeppelin environment for all users
"""
zeppelin_bin = self.dist_config.path("zeppelin") / "bin"
with utils.environment_edit_in_place("/etc/environment") as env:
if zeppelin_bin not in env["PATH"]:
env["PATH"] = ":".join([env["PATH"], zeppelin_bin])
env["ZEPPELIN_CONF_DIR"] = self.dist_config.path("zeppelin_conf")
zeppelin_site = self.dist_config.path("zeppelin_conf") / "zeppelin-site.xml"
with utils.xmlpropmap_edit_in_place(zeppelin_site) as xml:
xml["zeppelin.server.port"] = self.dist_config.port("zeppelin")
xml["zeppelin.notebook.dir"] = self.dist_config.path("zeppelin_notebooks")
etc_env = utils.read_etc_env()
hadoop_conf_dir = etc_env.get("HADOOP_CONF_DIR", "/etc/hadoop/conf")
spark_home = etc_env.get("SPARK_HOME", "/usr/lib/spark")
spark_driver_mem = etc_env.get("SPARK_DRIVER_MEMORY", "1g")
spark_exe_mode = os.environ.get("MASTER", "yarn-client")
spark_executor_mem = etc_env.get("SPARK_EXECUTOR_MEMORY", "1g")
zeppelin_env = self.dist_config.path("zeppelin_conf") / "zeppelin-env.sh"
with open(zeppelin_env, "a") as f:
f.write("export ZEPPELIN_HOME={}\n".format(self.dist_config.path("zeppelin")))
f.write(
'export ZEPPELIN_JAVA_OPTS="-Dspark.driver.memory={} -Dspark.executor.memory={}"\n'.format(
spark_driver_mem, spark_executor_mem
)
)
f.write("export ZEPPELIN_LOG_DIR={}\n".format(self.dist_config.path("zeppelin_logs")))
f.write('export ZEPPELIN_MEM="-Xms128m -Xmx1024m -XX:MaxPermSize=512m"\n')
f.write("export ZEPPELIN_NOTEBOOK_DIR={}\n".format(self.dist_config.path("zeppelin_notebooks")))
f.write("export SPARK_HOME={}\n".format(spark_home))
f.write(
'export SPARK_SUBMIT_OPTIONS="--driver-memory {} --executor-memory {}"\n'.format(
spark_driver_mem, spark_executor_mem
)
)
f.write("export HADOOP_CONF_DIR={}\n".format(hadoop_conf_dir))
f.write("export PYTHONPATH={s}/python:{s}/python/lib/py4j-0.8.2.1-src.zip\n".format(s=spark_home))
f.write("export MASTER={}\n".format(spark_exe_mode))
# User needs write access to zepp's conf to write interpreter.json
# on server start. chown the whole conf dir, though we could probably
# touch that file and chown it, leaving the rest owned as root:root.
# TODO: weigh implications of have zepp's conf dir owned by non-root.
cmd = "chown -R ubuntu:hadoop {}".format(self.dist_config.path("zeppelin_conf"))
call(cmd.split())
def configure_yarn_mode(self):
# put the spark jar in hdfs
spark_assembly_jar = glob('{}/lib/spark-assembly-*.jar'.format(
self.dist_config.path('spark')))[0]
utils.run_as('hdfs', 'hdfs', 'dfs', '-mkdir', '-p',
'/user/ubuntu/share/lib')
try:
utils.run_as('hdfs', 'hdfs', 'dfs', '-put', spark_assembly_jar,
'/user/ubuntu/share/lib/spark-assembly.jar')
except CalledProcessError:
pass # jar already in HDFS from another Spark
with utils.environment_edit_in_place('/etc/environment') as env:
env['SPARK_JAR'] = "hdfs:///user/ubuntu/share/lib/spark-assembly.jar"
# create hdfs storage space for history server
utils.run_as('hdfs', 'hdfs', 'dfs', '-mkdir', '-p',
self.dist_config.path('spark_events'))
utils.run_as('hdfs', 'hdfs', 'dfs', '-chown', '-R', 'ubuntu:hadoop',
self.dist_config.path('spark_events'))
# create hdfs storage space for spark-bench
utils.run_as('hdfs', 'hdfs', 'dfs', '-mkdir', '-p',
'/user/ubuntu/spark-bench')
utils.run_as('hdfs', 'hdfs', 'dfs', '-chown', '-R', 'ubuntu:hadoop',
'/user/ubuntu/spark-bench')
# update spark-defaults
spark_conf = self.dist_config.path(
'spark_conf') / 'spark-defaults.conf'
etc_env = utils.read_etc_env()
hadoop_extra_classpath = etc_env.get('HADOOP_EXTRA_CLASSPATH', '')
utils.re_edit_in_place(spark_conf, {
r'.*spark.master .*':
'spark.master {}'.format(self.get_master()),
r'.*spark.eventLog.enabled .*':
'spark.eventLog.enabled true',
r'.*spark.eventLog.dir .*':
'spark.eventLog.dir hdfs://{}'.format(
self.dist_config.path('spark_events')),
r'.*spark.driver.extraClassPath .*':
'spark.driver.extraClassPath {}'.format(hadoop_extra_classpath),
},
append_non_matches=True)
unitdata.kv().set('hdfs.available', True)
unitdata.kv().flush(True)
def configure_zeppelin(self):
'''
Configure zeppelin environment for all users
'''
zeppelin_bin = self.dist_config.path('zeppelin') / 'bin'
with utils.environment_edit_in_place('/etc/environment') as env:
if zeppelin_bin not in env['PATH']:
env['PATH'] = ':'.join([env['PATH'], zeppelin_bin])
env['ZEPPELIN_CONF_DIR'] = self.dist_config.path('zeppelin_conf')
zeppelin_site = self.dist_config.path('zeppelin_conf') / 'zeppelin-site.xml'
with utils.xmlpropmap_edit_in_place(zeppelin_site) as xml:
xml['zeppelin.server.port'] = self.dist_config.port('zeppelin')
xml['zeppelin.notebook.dir'] = self.dist_config.path('zeppelin_notebooks')
etc_env = utils.read_etc_env()
hadoop_conf_dir = etc_env.get('HADOOP_CONF_DIR', '/etc/hadoop/conf')
hadoop_extra_classpath = etc_env.get('HADOOP_EXTRA_CLASSPATH', '')
spark_home = etc_env.get('SPARK_HOME', '/usr/lib/spark')
spark_driver_mem = etc_env.get('SPARK_DRIVER_MEMORY', '1g')
spark_exe_mode = os.environ.get('MASTER', 'yarn-client')
spark_executor_mem = etc_env.get('SPARK_EXECUTOR_MEMORY', '1g')
zeppelin_env = self.dist_config.path('zeppelin_conf') / 'zeppelin-env.sh'
with open(zeppelin_env, "a") as f:
f.write('export ZEPPELIN_CLASSPATH_OVERRIDES={}\n'.format(hadoop_extra_classpath))
f.write('export ZEPPELIN_HOME={}\n'.format(self.dist_config.path('zeppelin')))
f.write('export ZEPPELIN_JAVA_OPTS="-Dspark.driver.memory={} -Dspark.executor.memory={}"\n'.format(
spark_driver_mem,
spark_executor_mem))
f.write('export ZEPPELIN_LOG_DIR={}\n'.format(self.dist_config.path('zeppelin_logs')))
f.write('export ZEPPELIN_MEM="-Xms128m -Xmx1024m -XX:MaxPermSize=512m"\n')
f.write('export ZEPPELIN_NOTEBOOK_DIR={}\n'.format(self.dist_config.path('zeppelin_notebooks')))
f.write('export SPARK_HOME={}\n'.format(spark_home))
f.write('export SPARK_SUBMIT_OPTIONS="--driver-memory {} --executor-memory {}"\n'.format(
spark_driver_mem,
spark_executor_mem))
f.write('export HADOOP_CONF_DIR={}\n'.format(hadoop_conf_dir))
f.write('export PYTHONPATH={s}/python:{s}/python/lib/py4j-0.8.2.1-src.zip\n'.format(s=spark_home))
f.write('export MASTER={}\n'.format(spark_exe_mode))
# User needs write access to zepp's conf to write interpreter.json
# on server start. chown the whole conf dir, though we could probably
# touch that file and chown it, leaving the rest owned as root:root.
# TODO: weigh implications of have zepp's conf dir owned by non-root.
cmd = "chown -R ubuntu:hadoop {}".format(self.dist_config.path('zeppelin_conf'))
call(cmd.split())
def configure_hadoop_libs(self):
if unitdata.kv().get('hadoop.extra.installed', False):
return
spark_conf = self.dist_config.path(
'spark_conf') / 'spark-defaults.conf'
etc_env = utils.read_etc_env()
hadoop_extra_classpath = etc_env.get('HADOOP_EXTRA_CLASSPATH', '')
utils.re_edit_in_place(spark_conf, {
r'.*spark.driver.extraClassPath .*':
'spark.driver.extraClassPath {}'.format(hadoop_extra_classpath),
r'.*spark.jars .*':
'spark.jars {}'.format(hadoop_extra_classpath),
},
append_non_matches=True)
unitdata.kv().set('hadoop.extra.installed', True)
unitdata.kv().flush(True)
def reconfigure_zeppelin(self):
'''
Configure zeppelin based on current environment
'''
raise NotImplementedError()
# NB (kwm): this method is not currently called because Bigtop spark
# doesn't expose these settings. Leaving this here just in case
# we update the bigtop charms to provide these bits in the future.
etc_env = utils.read_etc_env()
hadoop_extra_classpath = etc_env.get('HADOOP_EXTRA_CLASSPATH', '')
spark_driver_mem = etc_env.get('SPARK_DRIVER_MEMORY', '1g')
spark_exe_mode = os.environ.get('MASTER', 'yarn-client')
spark_executor_mem = etc_env.get('SPARK_EXECUTOR_MEMORY', '1g')
zeppelin_env = self.dist_config.path('zeppelin_conf') / 'zeppelin-env.sh'
with open(zeppelin_env, "a") as f:
f.write('export ZEPPELIN_CLASSPATH_OVERRIDES={}\n'.format(hadoop_extra_classpath))
f.write('export ZEPPELIN_JAVA_OPTS="-Dspark.driver.memory={} -Dspark.executor.memory={}"\n'.format(
spark_driver_mem,
spark_executor_mem))
f.write('export SPARK_SUBMIT_OPTIONS="--driver-memory {} --executor-memory {}"\n'.format(
spark_driver_mem,
spark_executor_mem))
f.write('export MASTER={}\n'.format(spark_exe_mode))
def configure_oozie_hdfs(self):
#config = hookenv.config()
e = utils.read_etc_env()
utils.run_as('hdfs', 'hdfs', 'dfs', '-mkdir', '-p', '/user/oozie', env=e)
utils.run_as('hdfs', 'hdfs', 'dfs', '-chown', '-R', 'oozie:hadoop', '/user/oozie', env=e)