def describe(region, stack_name):
ec2_conn = create_ec2_connection(region)
print 'Launcher', get_launcher_instance(ec2_conn, stack_name).ip_address
print 'Manager', get_manager_instance(ec2_conn, stack_name).ip_address
print 'Master', get_master_instance(ec2_conn, stack_name).ip_address
for instance in get_worker_instances(ec2_conn, stack_name):
print 'Worker', instance.ip_address
def adjust_yarn_memory_limits(region, stack_name, restart=True):
ec2_conn = create_ec2_connection(region)
manager_instance = get_manager_instance(ec2_conn, stack_name)
with cm_tunnel_ctx(manager_instance) as local_port:
cm_api = ApiResource('localhost', username='******', password='******',
server_port=local_port, version=9)
cluster = list(cm_api.get_all_clusters())[0]
host = list(cm_api.get_all_hosts())[0] # all hosts same instance type
yarn = filter(lambda x: x.type == 'YARN',
list(cluster.get_all_services()))[0]
rm_cg = filter(lambda x: x.roleType == 'RESOURCEMANAGER',
list(yarn.get_all_role_config_groups()))[0]
nm_cg = filter(lambda x: x.roleType == 'NODEMANAGER',
list(yarn.get_all_role_config_groups()))[0]
rm_cg.update_config({
'yarn_scheduler_maximum_allocation_mb': (
int(host.totalPhysMemBytes / 1024. / 1024.)),
'yarn_scheduler_maximum_allocation_vcores': host.numCores})
nm_cg.update_config({
'yarn_nodemanager_resource_memory_mb': (
int(host.totalPhysMemBytes / 1024. / 1024.)),
'yarn_nodemanager_resource_cpu_vcores': host.numCores})
cluster.deploy_client_config().wait()
if restart:
cluster.restart().wait()
def provision(region, availability_zone, stack_name, cf_template_path,
launcher_ami, launcher_instance_type, worker_instance_type,
director_conf_path, cluster_ami, num_workers):
start_time = datetime.now()
# create cloudformation stack (VPC etc)
cf_conn = create_cf_connection(region)
create_cf_stack(cf_conn, stack_name, cf_template_path, availability_zone)
# create launcher instance
ec2_conn = create_ec2_connection(region)
launcher_instance = create_launcher_instance(
ec2_conn, cf_conn, stack_name, launcher_ami, launcher_instance_type)
# run bootstrap on launcher
execute(
run_director_bootstrap,
director_conf_path=director_conf_path, region=region,
cluster_ami=cluster_ami, num_workers=num_workers,
stack_name=stack_name, worker_instance_type=worker_instance_type,
hosts=[launcher_instance.ip_address])
end_time = datetime.now()
print "Cluster has started. Took {t} minutes.".format(
t=(end_time - start_time).seconds / 60)
def teardown(region, stack_name):
# terminate Hadoop cluster (prompts for confirmation)
ec2_conn = create_ec2_connection(region)
execute(run_director_terminate,
hosts=[get_launcher_instance(ec2_conn, stack_name).ip_address])
# terminate launcher instance
terminate_launcher_instance(ec2_conn, stack_name)
# delete stack
cf_conn = create_cf_connection(region)
delete_stack(cf_conn, stack_name)
def login(region, stack_name, node):
print('Logging into the {0} node...'.format(node))
ec2_conn = create_ec2_connection(region)
if node == 'master':
hosts = [get_master_instance(ec2_conn, stack_name).ip_address]
elif node == 'manager':
hosts = [get_manager_instance(ec2_conn, stack_name).ip_address]
elif node == 'launcher':
hosts = [get_launcher_instance(ec2_conn, stack_name).ip_address]
else:
raise EggoError('"{0}" is not a valid node type'.format(node))
execute(open_shell, hosts=hosts)
def install_env_vars(region, stack_name):
ec2_conn = create_ec2_connection(region)
# get information about the cluster
manager_instance = get_manager_instance(ec2_conn, stack_name)
with cm_tunnel_ctx(manager_instance) as local_port:
env_vars = generate_eggo_env_vars('localhost', local_port, 'admin',
'admin')
env_var_exports = ['export {0}={1}'.format(k, v)
for (k, v) in env_vars.iteritems()]
def do():
append('/home/ec2-user/eggo_env_vars.sh', env_var_exports)
append('/home/ec2-user/.bash_profile',
'source /home/ec2-user/eggo_env_vars.sh')
master_host = get_master_instance(ec2_conn, stack_name).ip_address
execute(do, hosts=[master_host])
def web_proxy(region, stack_name):
ec2_conn = create_ec2_connection(region)
manager_instance = get_manager_instance(ec2_conn, stack_name)
master_instance = get_master_instance(ec2_conn, stack_name)
worker_instances = get_worker_instances(ec2_conn, stack_name)
tunnels = []
ts = '{0:<22}{1:<17}{2:<17}{3:<7}localhost:{4}'
print(ts.format('name', 'public', 'private', 'remote', 'local'))
# CM
tunnels.append(non_blocking_tunnel(manager_instance.ip_address,
manager_instance.private_ip_address,
7180, 7180, 'ec2-user',
get_ec2_private_key_file()))
print(ts.format(
'CM WebUI', manager_instance.ip_address,
manager_instance.private_ip_address, 7180, 7180))
# YARN RM
tunnels.append(non_blocking_tunnel(master_instance.ip_address,
master_instance.private_ip_address,
8088, 8088, 'ec2-user',
get_ec2_private_key_file()))
print(ts.format(
'YARN RM', master_instance.ip_address,
master_instance.private_ip_address, 8088, 8088))
# YARN JobHistory
tunnels.append(non_blocking_tunnel(master_instance.ip_address,
master_instance.private_ip_address,
19888, 19888, 'ec2-user',
get_ec2_private_key_file()))
print(ts.format(
'YARN JobHistory', master_instance.ip_address,
master_instance.private_ip_address, 19888, 19888))
try:
# block on an arbitrary ssh tunnel
tunnels[-1].wait()
finally:
for tunnel in tunnels:
tunnel.terminate()
def config_cluster(region, stack_name, adam, adam_fork, adam_branch, opencb,
gatk, quince, quince_fork, quince_branch):
start_time = datetime.now()
ec2_conn = create_ec2_connection(region)
master_host = get_master_instance(ec2_conn, stack_name).ip_address
execute(install_private_key, hosts=[master_host])
execute(create_hdfs_home, hosts=[master_host])
# java 8 install will restart the cluster
adjust_yarn_memory_limits(region, stack_name, restart=False)
install_java_8(region, stack_name)
# install software tools
execute(install_dev_tools, hosts=[master_host])
execute(install_git, hosts=[master_host])
execute(install_maven, hosts=[master_host])
execute(install_gradle, hosts=[master_host])
execute(install_parquet_tools, hosts=[master_host])
if adam:
execute(install_adam, fork=adam_fork, branch=adam_branch,
hosts=[master_host])
if opencb:
install_opencb([master_host])
if gatk:
execute(install_gatk, hosts=[master_host])
if quince:
execute(install_quince, fork=quince_fork, branch=quince_branch,
hosts=[master_host])
execute(install_eggo, hosts=[master_host])
# install environment vars for use on the cluster
install_env_vars(region, stack_name)
end_time = datetime.now()
print "Cluster configured. Took {t} minutes.".format(
t=(end_time - start_time).seconds / 60)
def install_java_8(region, stack_name):
# following general protocol for upgrading to JDK 1.8 here:
# http://www.cloudera.com/content/cloudera/en/documentation/core/v5-3-x/topics/cdh_cm_upgrading_to_jdk8.html
ec2_conn = create_ec2_connection(region)
manager_instance = get_manager_instance(ec2_conn, stack_name)
cluster_instances = (
get_worker_instances(ec2_conn, stack_name) +
[manager_instance, get_master_instance(ec2_conn, stack_name)])
cluster_hosts = [i.ip_address for i in cluster_instances]
with cm_tunnel_ctx(manager_instance) as local_port:
# Connect to CM API
cm_api = ApiResource('localhost', username='******', password='******',
server_port=local_port, version=9)
cloudera_manager = cm_api.get_cloudera_manager()
# Stop Cloudera Management Service
print "Stopping Cloudera Management Service"
mgmt_service = cloudera_manager.get_service()
mgmt_service.stop().wait()
# Stop cluster
print "Stopping the cluster"
clusters = cm_api.get_all_clusters()
cluster = clusters.objects[0]
cluster.stop().wait()
# Stop all Cloudera Manager Agents
@parallel
def stop_cm_agents():
sudo('service cloudera-scm-agent stop')
execute(stop_cm_agents, hosts=cluster_hosts)
# Stop the Cloudera Manager Server
def stop_cm_server():
sudo('service cloudera-scm-server stop')
execute(stop_cm_server, hosts=[manager_instance.ip_address])
# Cleanup other Java versions and install JDK 1.8
@parallel
def swap_jdks():
sudo('rpm -qa | grep jdk | xargs rpm -e')
sudo('rm -rf /usr/java/jdk1.6*')
sudo('rm -rf /usr/java/jdk1.7*')
run('wget -O jdk-8-linux-x64.rpm --no-cookies --no-check-certificate '
'--header "Cookie: oraclelicense=accept-securebackup-cookie" '
'http://download.oracle.com/otn-pub/java/jdk/8u51-b16/'
'jdk-8u51-linux-x64.rpm')
sudo('yum install -y jdk-8-linux-x64.rpm')
append('/home/ec2-user/.bash_profile',
'export JAVA_HOME=`find /usr/java -name "jdk1.8*"`')
execute(swap_jdks, hosts=cluster_hosts)
# Start the Cloudera Manager Server
def start_cm_server():
sudo('service cloudera-scm-server start')
execute(start_cm_server, hosts=[manager_instance.ip_address])
# Start all Cloudera Manager Agents
@parallel
def start_cm_agents():
sudo('service cloudera-scm-agent start')
execute(start_cm_agents, hosts=cluster_hosts)
with cm_tunnel_ctx(manager_instance) as local_port:
# Connect to CM API
cm_api = ApiResource('localhost', username='******', password='******',
server_port=local_port, version=9)
cloudera_manager = cm_api.get_cloudera_manager()
# Start the cluster and the mgmt service
print "Starting the cluster"
cluster.start().wait()
print "Starting the Cloudera Management Service"
cloudera_manager = cm_api.get_cloudera_manager()
mgmt_service = cloudera_manager.get_service()
mgmt_service.start().wait()