def _extract_configs_to_extra(self, cluster):
nn = utils.get_namenode(cluster)
jt = utils.get_jobtracker(cluster)
oozie = utils.get_oozie(cluster)
hive = utils.get_hiveserver(cluster)
extra = dict()
if hive:
extra['hive_mysql_passwd'] = uuidutils.generate_uuid()
for ng in cluster.node_groups:
extra[ng.id] = {
'xml':
c_helper.generate_xml_configs(
ng.configuration, ng.storage_paths, nn.hostname,
jt.hostname if jt else None,
oozie.hostname if oozie else None,
hive.hostname if hive else None,
extra['hive_mysql_passwd'] if hive else None),
'setup_script':
c_helper.generate_setup_script(
ng.storage_paths,
c_helper.extract_environment_confs(ng.configuration),
append_oozie=(oozie is not None
and oozie.node_group.id == ng.id))
}
if c_helper.is_data_locality_enabled(cluster):
topology_data = th.generate_topology_map(
cluster, CONF.enable_hypervisor_awareness)
extra['topology_data'] = "\n".join(
[k + " " + v for k, v in topology_data.items()]) + "\n"
return extra
def _set_cluster_info(self, cluster):
mng = u.get_instances(cluster, 'manager')[0]
nn = u.get_namenode(cluster)
jt = u.get_jobtracker(cluster)
oozie = u.get_oozie(cluster)
#TODO(alazarev) make port configurable (bug #1262895)
info = {'IDH Manager': {
'Web UI': 'https://%s:9443' % mng.management_ip
}}
if jt:
#TODO(alazarev) make port configurable (bug #1262895)
info['MapReduce'] = {
'Web UI': 'http://%s:50030' % jt.management_ip
}
#TODO(alazarev) make port configurable (bug #1262895)
info['MapReduce']['JobTracker'] = '%s:54311' % jt.hostname()
if nn:
#TODO(alazarev) make port configurable (bug #1262895)
info['HDFS'] = {
'Web UI': 'http://%s:50070' % nn.management_ip
}
#TODO(alazarev) make port configurable (bug #1262895)
info['HDFS']['NameNode'] = 'hdfs://%s:8020' % nn.hostname()
if oozie:
#TODO(alazarev) make port configurable (bug #1262895)
info['JobFlow'] = {
'Oozie': 'http://%s:11000' % oozie.management_ip
}
ctx = context.ctx()
conductor.cluster_update(ctx, cluster, {'info': info})
def _extract_configs_to_extra(self, cluster):
nn = utils.get_namenode(cluster)
jt = utils.get_jobtracker(cluster)
oozie = utils.get_oozie(cluster)
hive = utils.get_hiveserver(cluster)
extra = dict()
for ng in cluster.node_groups:
extra[ng.id] = {
'xml': c_helper.generate_xml_configs(ng.configuration,
ng.storage_paths,
nn.hostname,
jt.hostname
if jt else None,
oozie.hostname
if oozie else None,
hive.hostname
if hive else None),
'setup_script': c_helper.generate_setup_script(
ng.storage_paths,
c_helper.extract_environment_confs(ng.configuration),
append_oozie=(
oozie is not None and oozie.node_group.id == ng.id)
)
}
return extra
def _set_cluster_info(self, cluster):
nn = utils.get_namenode(cluster)
jt = utils.get_jobtracker(cluster)
oozie = utils.get_oozie(cluster)
info = {}
if jt:
address = c_helper.get_config_value(
'MapReduce', 'mapred.job.tracker.http.address', cluster)
port = address[address.rfind(':') + 1:]
info['MapReduce'] = {
'Web UI': 'http://%s:%s' % (jt.management_ip, port)
}
if nn:
address = c_helper.get_config_value('HDFS', 'dfs.http.address',
cluster)
port = address[address.rfind(':') + 1:]
info['HDFS'] = {
'Web UI': 'http://%s:%s' % (nn.management_ip, port)
}
if oozie:
info['JobFlow'] = {
'Oozie': 'http://%s:11000' % oozie.management_ip
}
ctx = context.ctx()
conductor.cluster_update(ctx, cluster, {'info': info})
def _set_cluster_info(self, cluster):
nn = utils.get_namenode(cluster)
jt = utils.get_jobtracker(cluster)
oozie = utils.get_oozie(cluster)
info = {}
if jt:
address = c_helper.get_config_value(
'MapReduce', 'mapred.job.tracker.http.address', cluster)
port = address[address.rfind(':') + 1:]
info['MapReduce'] = {
'Web UI': 'http://%s:%s' % (jt.management_ip, port)
}
if nn:
address = c_helper.get_config_value(
'HDFS', 'dfs.http.address', cluster)
port = address[address.rfind(':') + 1:]
info['HDFS'] = {
'Web UI': 'http://%s:%s' % (nn.management_ip, port)
}
if oozie:
info['JobFlow'] = {
'Oozie': 'http://%s:11000' % oozie.management_ip
}
ctx = context.ctx()
conductor.cluster_update(ctx, cluster, {'info': info})
def start_cluster(self, cluster):
nn_instance = utils.get_namenode(cluster)
datanodes = utils.get_datanodes(cluster)
jt_instance = utils.get_jobtracker(cluster)
tasktrackers = utils.get_tasktrackers(cluster)
oozie = utils.get_oozie(cluster)
with remote.get_remote(nn_instance) as r:
run.format_namenode(r)
run.start_process(r, "namenode")
snns = utils.get_secondarynamenodes(cluster)
if snns:
for snn in snns:
run.start_process(remote.get_remote(snn), "secondarynamenode")
for dn in datanodes:
run.start_process(remote.get_remote(dn), "datanode")
LOG.info("HDFS service at '%s' has been started", nn_instance.hostname)
if jt_instance:
run.start_process(remote.get_remote(jt_instance), "jobtracker")
for tt in tasktrackers:
run.start_process(remote.get_remote(tt), "tasktracker")
LOG.info("MapReduce service at '%s' has been started",
jt_instance.hostname)
if oozie:
with remote.get_remote(oozie) as r:
run.oozie_share_lib(r, nn_instance.hostname)
run.start_oozie(r)
LOG.info("Oozie service at '%s' has been started",
nn_instance.hostname)
LOG.info('Cluster %s has been started successfully' % cluster.name)
self._set_cluster_info(cluster)
def _set_cluster_info(self, cluster):
mng = u.get_instances(cluster, 'manager')[0]
nn = u.get_namenode(cluster)
jt = u.get_jobtracker(cluster)
oozie = u.get_oozie(cluster)
#TODO(alazarev) make port configurable (bug #1262895)
info = {'IDH Manager': {
'Web UI': 'https://%s:9443' % mng.management_ip
}}
if jt:
#TODO(alazarev) make port configurable (bug #1262895)
info['MapReduce'] = {
'Web UI': 'http://%s:50030' % jt.management_ip
}
#TODO(alazarev) make port configurable (bug #1262895)
info['MapReduce']['JobTracker'] = '%s:54311' % jt.hostname()
if nn:
#TODO(alazarev) make port configurable (bug #1262895)
info['HDFS'] = {
'Web UI': 'http://%s:50070' % nn.management_ip
}
#TODO(alazarev) make port configurable (bug #1262895)
info['HDFS']['NameNode'] = 'hdfs://%s:8020' % nn.hostname()
if oozie:
#TODO(alazarev) make port configurable (bug #1262895)
info['JobFlow'] = {
'Oozie': 'http://%s:11000' % oozie.management_ip
}
ctx = context.ctx()
conductor.cluster_update(ctx, cluster, {'info': info})
def generate_savanna_configs(cluster, node_group=None):
nn_hostname = _get_hostname(utils.get_namenode(cluster))
jt_hostname = _get_hostname(utils.get_jobtracker(cluster))
oozie_hostname = _get_hostname(utils.get_oozie(cluster))
hive_hostname = _get_hostname(utils.get_hiveserver(cluster))
storage_path = node_group.storage_paths() if node_group else None
# inserting common configs depends on provisioned VMs and HDFS placement
# TODO(aignatov): should be moved to cluster context
cfg = {
'fs.default.name':
'hdfs://%s:8020' % nn_hostname,
'dfs.name.dir':
extract_hadoop_path(storage_path, '/lib/hadoop/hdfs/namenode'),
'dfs.data.dir':
extract_hadoop_path(storage_path, '/lib/hadoop/hdfs/datanode'),
'dfs.hosts':
'/etc/hadoop/dn.incl',
'dfs.hosts.exclude':
'/etc/hadoop/dn.excl',
}
if jt_hostname:
mr_cfg = {
'mapred.job.tracker':
'%s:8021' % jt_hostname,
'mapred.system.dir':
extract_hadoop_path(storage_path, '/mapred/mapredsystem'),
'mapred.local.dir':
extract_hadoop_path(storage_path, '/lib/hadoop/mapred'),
'mapred.hosts':
'/etc/hadoop/tt.incl',
'mapred.hosts.exclude':
'/etc/hadoop/tt.excl',
}
cfg.update(mr_cfg)
if oozie_hostname:
o_cfg = {
'hadoop.proxyuser.hadoop.hosts': "localhost," + oozie_hostname,
'hadoop.proxyuser.hadoop.groups': 'hadoop',
}
cfg.update(o_cfg)
LOG.debug('Applied Oozie configs for core-site.xml')
cfg.update(o_h.get_oozie_required_xml_configs())
LOG.debug('Applied Oozie configs for oozie-site.xml')
if hive_hostname:
h_cfg = {
'hive.warehouse.subdir.inherit.perms':
True,
'javax.jdo.option.ConnectionURL':
'jdbc:derby:;databaseName=/opt/hive/metastore_db;create=true'
}
cfg.update(h_cfg)
LOG.debug('Applied Hive config for hive metastore server')
return cfg
def _set_cluster_info(self, cluster):
nn = utils.get_namenode(cluster)
jt = utils.get_jobtracker(cluster)
oozie = utils.get_oozie(cluster)
info = {}
if jt:
address = c_helper.get_config_value(
'MapReduce', 'mapred.job.tracker.http.address', cluster)
port = address[address.rfind(':') + 1:]
info['MapReduce'] = {
'Web UI': 'http://%s:%s' % (jt.management_ip, port)
}
#TODO(aignatov) change from hardcode value
info['MapReduce']['JobTracker'] = '%s:8021' % jt.hostname()
if nn:
address = c_helper.get_config_value(
'HDFS', 'dfs.http.address', cluster)
port = address[address.rfind(':') + 1:]
info['HDFS'] = {
'Web UI': 'http://%s:%s' % (nn.management_ip, port)
}
#TODO(aignatov) change from hardcode value
info['HDFS']['NameNode'] = 'hdfs://%s:8020' % nn.hostname()
if oozie:
info['JobFlow'] = {
'Oozie': 'http://%s:11000' % oozie.management_ip
}
ctx = context.ctx()
conductor.cluster_update(ctx, cluster, {'info': info})
def _configure_services(client, cluster):
nn_host = u.get_namenode(cluster).fqdn()
snn = u.get_secondarynamenodes(cluster)
snn_host = snn[0].fqdn() if snn else None
jt_host = u.get_jobtracker(cluster).fqdn() if u.get_jobtracker(
cluster) else None
dn_hosts = [dn.fqdn() for dn in u.get_datanodes(cluster)]
tt_hosts = [tt.fqdn() for tt in u.get_tasktrackers(cluster)]
oozie_host = u.get_oozie(cluster).fqdn() if u.get_oozie(cluster) else None
hive_host = u.get_hiveserver(cluster).fqdn() if u.get_hiveserver(
cluster) else None
services = []
if u.get_namenode(cluster):
services += ['hdfs']
if u.get_jobtracker(cluster):
services += ['mapred']
if oozie_host:
services += ['oozie']
services += ['pig']
if hive_host:
services += ['hive']
LOG.debug("Add services: %s" % ', '.join(services))
client.services.add(services)
LOG.debug("Assign roles to hosts")
client.services.hdfs.add_nodes('PrimaryNameNode', [nn_host])
client.services.hdfs.add_nodes('DataNode', dn_hosts)
if snn:
client.services.hdfs.add_nodes('SecondaryNameNode', [snn_host])
if oozie_host:
client.services.oozie.add_nodes('Oozie', [oozie_host])
if hive_host:
client.services.hive.add_nodes('HiveServer', [hive_host])
if jt_host:
client.services.mapred.add_nodes('JobTracker', [jt_host])
client.services.mapred.add_nodes('TaskTracker', tt_hosts)
def _configure_services(client, cluster):
nn_host = u.get_namenode(cluster).fqdn()
snn = u.get_secondarynamenodes(cluster)
snn_host = snn[0].fqdn() if snn else None
jt_host = u.get_jobtracker(cluster).fqdn()
dn_hosts = [dn.fqdn() for dn in u.get_datanodes(cluster)]
tt_hosts = [tt.fqdn() for tt in u.get_tasktrackers(cluster)]
oozie_host = u.get_oozie(cluster).fqdn() if u.get_oozie(
cluster) else None
hive_host = u.get_hiveserver(cluster).fqdn() if u.get_hiveserver(
cluster) else None
services = []
if u.get_namenode(cluster):
services += ['hdfs']
if u.get_jobtracker(cluster):
services += ['mapred']
if oozie_host:
services += ['oozie']
services += ['pig']
if hive_host:
services += ['hive']
LOG.debug("Add services: %s" % ', '.join(services))
client.services.add(services)
LOG.debug("Assign roles to hosts")
client.services.hdfs.add_nodes('PrimaryNameNode', [nn_host])
client.services.hdfs.add_nodes('DataNode', dn_hosts)
if snn:
client.services.hdfs.add_nodes('SecondaryNameNode', [snn_host])
if oozie_host:
client.services.oozie.add_nodes('Oozie', [oozie_host])
if hive_host:
client.services.hive.add_nodes('HiveServer', [hive_host])
client.services.mapred.add_nodes('JobTracker', [jt_host])
client.services.mapred.add_nodes('TaskTracker', tt_hosts)
def scale_cluster(self, cluster, instances):
self._setup_instances(cluster, instances)
run.refresh_nodes(remote.get_remote(
utils.get_namenode(cluster)), "dfsadmin")
jt = utils.get_jobtracker(cluster)
if jt:
run.refresh_nodes(remote.get_remote(jt), "mradmin")
self._start_tt_dn_processes(instances)
def scale_cluster(self, cluster, instances):
self._setup_instances(cluster, instances)
run.refresh_nodes(remote.get_remote(utils.get_namenode(cluster)),
"dfsadmin")
jt = utils.get_jobtracker(cluster)
if jt:
run.refresh_nodes(remote.get_remote(jt), "mradmin")
self._start_tt_dn_processes(instances)
def generate_savanna_configs(cluster, node_group=None):
nn_hostname = _get_hostname(utils.get_namenode(cluster))
jt_hostname = _get_hostname(utils.get_jobtracker(cluster))
oozie_hostname = _get_hostname(utils.get_oozie(cluster))
hive_hostname = _get_hostname(utils.get_hiveserver(cluster))
storage_path = node_group.storage_paths() if node_group else None
# inserting common configs depends on provisioned VMs and HDFS placement
# TODO(aignatov): should be moved to cluster context
cfg = {
'fs.default.name': 'hdfs://%s:8020' % nn_hostname,
'dfs.name.dir': extract_hadoop_path(storage_path,
'/lib/hadoop/hdfs/namenode'),
'dfs.data.dir': extract_hadoop_path(storage_path,
'/lib/hadoop/hdfs/datanode'),
'dfs.hosts': '/etc/hadoop/dn.incl',
'dfs.hosts.exclude': '/etc/hadoop/dn.excl',
}
if jt_hostname:
mr_cfg = {
'mapred.job.tracker': '%s:8021' % jt_hostname,
'mapred.system.dir': extract_hadoop_path(storage_path,
'/mapred/mapredsystem'),
'mapred.local.dir': extract_hadoop_path(storage_path,
'/lib/hadoop/mapred'),
'mapred.hosts': '/etc/hadoop/tt.incl',
'mapred.hosts.exclude': '/etc/hadoop/tt.excl',
}
cfg.update(mr_cfg)
if oozie_hostname:
o_cfg = {
'hadoop.proxyuser.hadoop.hosts': "localhost," + oozie_hostname,
'hadoop.proxyuser.hadoop.groups': 'hadoop',
}
cfg.update(o_cfg)
LOG.debug('Applied Oozie configs for core-site.xml')
cfg.update(o_h.get_oozie_required_xml_configs())
LOG.debug('Applied Oozie configs for oozie-site.xml')
if hive_hostname:
h_cfg = {
'hive.warehouse.subdir.inherit.perms': True,
'javax.jdo.option.ConnectionURL':
'jdbc:derby:;databaseName=/opt/hive/metastore_db;create=true'
}
cfg.update(h_cfg)
LOG.debug('Applied Hive config for hive metastore server')
return cfg
def start_cluster(self, cluster):
nn_instance = utils.get_namenode(cluster)
datanodes = utils.get_datanodes(cluster)
jt_instance = utils.get_jobtracker(cluster)
tasktrackers = utils.get_tasktrackers(cluster)
oozie = utils.get_oozie(cluster)
hive_server = utils.get_hiveserver(cluster)
with remote.get_remote(nn_instance) as r:
run.format_namenode(r)
run.start_process(r, "namenode")
snns = utils.get_secondarynamenodes(cluster)
if snns:
for snn in snns:
run.start_process(remote.get_remote(snn), "secondarynamenode")
for dn in datanodes:
run.start_process(remote.get_remote(dn), "datanode")
LOG.info("HDFS service at '%s' has been started",
nn_instance.hostname)
if jt_instance:
run.start_process(remote.get_remote(jt_instance), "jobtracker")
for tt in tasktrackers:
run.start_process(remote.get_remote(tt), "tasktracker")
LOG.info("MapReduce service at '%s' has been started",
jt_instance.hostname)
if oozie:
with remote.get_remote(oozie) as r:
if c_helper.is_mysql_enable(cluster):
run.mysql_start(r, oozie)
run.oozie_create_db(r)
run.oozie_share_lib(r, nn_instance.hostname)
run.start_oozie(r)
LOG.info("Oozie service at '%s' has been started",
nn_instance.hostname)
if hive_server:
with remote.get_remote(nn_instance) as r:
run.hive_create_warehouse_dir(r)
if c_helper.is_mysql_enable(cluster):
with remote.get_remote(hive_server) as h:
if not oozie or hive_server.hostname != oozie.hostname:
run.mysql_start(h, hive_server)
run.hive_create_db(h)
run.hive_metastore_start(h)
LOG.info("Hive Metastore server at %s has been started",
hive_server.hostname)
LOG.info('Cluster %s has been started successfully' % cluster.name)
self._set_cluster_info(cluster)
def run_job(job_execution):
ctx = context.ctx()
cluster = conductor.cluster_get(ctx, job_execution.cluster_id)
if cluster.status != 'Active':
return job_execution
job = conductor.job_get(ctx, job_execution.job_id)
input_source = conductor.data_source_get(ctx, job_execution.input_id)
output_source = conductor.data_source_get(ctx, job_execution.output_id)
#TODO(nprivalova): should be removed after all features implemented
validate(input_source, output_source, job)
plugin = plugin_base.PLUGINS.get_plugin(cluster.plugin_name)
hdfs_user = plugin.get_hdfs_user()
wf_dir = create_workflow_dir(u.get_jobtracker(cluster), job, hdfs_user)
upload_job_files(u.get_jobtracker(cluster), wf_dir, job, hdfs_user)
creator = workflow_factory.get_creator(job)
# Do other job type specific setup here, for example
# uploading hive configuration
creator.configure_workflow_if_needed(cluster, wf_dir)
wf_xml = creator.get_workflow_xml(job_execution.job_configs, input_source,
output_source)
path_to_workflow = upload_workflow_file(u.get_jobtracker(cluster), wf_dir,
wf_xml, hdfs_user)
jt_path = '%s:8021' % u.get_jobtracker(cluster).hostname
nn_path = 'hdfs://%s:8020' % u.get_namenode(cluster).hostname
client = o.OozieClient(cluster['info']['JobFlow']['Oozie'] + "/oozie/")
job_parameters = {
"jobTracker": jt_path,
"nameNode": nn_path,
"user.name": "hadoop",
"oozie.wf.application.path": "%s%s" % (nn_path, path_to_workflow),
"oozie.use.system.libpath": "true"
}
oozie_job_id = client.add_job(x.create_hadoop_xml(job_parameters))
client.run_job(oozie_job_id)
job_execution = conductor.job_execution_update(
ctx, job_execution, {
'oozie_job_id': oozie_job_id,
'start_time': datetime.datetime.now()
})
return job_execution
def run_job(job_execution):
ctx = context.ctx()
cluster = conductor.cluster_get(ctx, job_execution.cluster_id)
if cluster.status != 'Active':
return job_execution
job = conductor.job_get(ctx, job_execution.job_id)
input_source = conductor.data_source_get(ctx, job_execution.input_id)
output_source = conductor.data_source_get(ctx, job_execution.output_id)
#TODO(nprivalova): should be removed after all features implemented
validate(input_source, output_source, job)
plugin = plugin_base.PLUGINS.get_plugin(cluster.plugin_name)
hdfs_user = plugin.get_hdfs_user()
wf_dir = create_workflow_dir(u.get_jobtracker(cluster), job, hdfs_user)
upload_job_files(u.get_jobtracker(cluster), wf_dir, job, hdfs_user)
creator = workflow_factory.get_creator(job)
# Do other job type specific setup here, for example
# uploading hive configuration
creator.configure_workflow_if_needed(cluster, wf_dir)
wf_xml = creator.get_workflow_xml(job_execution.job_configs,
input_source, output_source)
path_to_workflow = upload_workflow_file(u.get_jobtracker(cluster),
wf_dir, wf_xml, hdfs_user)
jt_path = '%s:8021' % u.get_jobtracker(cluster).hostname
nn_path = 'hdfs://%s:8020' % u.get_namenode(cluster).hostname
client = o.OozieClient(cluster['info']['JobFlow']['Oozie'] + "/oozie/")
job_parameters = {"jobTracker": jt_path,
"nameNode": nn_path,
"user.name": "hadoop",
"oozie.wf.application.path":
"%s%s" % (nn_path, path_to_workflow),
"oozie.use.system.libpath": "true"}
oozie_job_id = client.add_job(x.create_hadoop_xml(job_parameters))
client.run_job(oozie_job_id)
job_execution = conductor.job_execution_update(ctx, job_execution,
{'oozie_job_id':
oozie_job_id,
'start_time':
datetime.datetime.now()})
return job_execution
def _push_configs_to_nodes(self, cluster, instances=None):
extra = self._extract_configs_to_extra(cluster)
if instances is None:
instances = utils.get_instances(cluster)
for inst in instances:
ng_extra = extra[inst.node_group.id]
files = {
'/etc/hadoop/core-site.xml': ng_extra['xml']['core-site'],
'/etc/hadoop/mapred-site.xml': ng_extra['xml']['mapred-site'],
'/etc/hadoop/hdfs-site.xml': ng_extra['xml']['hdfs-site'],
'/tmp/savanna-hadoop-init.sh': ng_extra['setup_script']
}
with remote.get_remote(inst) as r:
# TODO(aignatov): sudo chown is wrong solution. But it works.
r.execute_command(
'sudo chown -R $USER:$USER /etc/hadoop'
)
r.execute_command(
'sudo chown -R $USER:$USER /opt/oozie/conf'
)
r.write_files_to(files)
r.execute_command(
'sudo chmod 0500 /tmp/savanna-hadoop-init.sh'
)
r.execute_command(
'sudo /tmp/savanna-hadoop-init.sh '
'>> /tmp/savanna-hadoop-init.log 2>&1')
nn = utils.get_namenode(cluster)
jt = utils.get_jobtracker(cluster)
with remote.get_remote(nn) as r:
r.write_file_to('/etc/hadoop/dn.incl', utils.
generate_fqdn_host_names(
utils.get_datanodes(cluster)))
if jt:
with remote.get_remote(jt) as r:
r.write_file_to('/etc/hadoop/tt.incl', utils.
generate_fqdn_host_names(
utils.get_tasktrackers(cluster)))
oozie = utils.get_oozie(cluster)
if oozie:
with remote.get_remote(oozie) as r:
r.write_file_to('/opt/oozie/conf/oozie-site.xml',
extra[oozie.node_group.id]
['xml']['oozie-site'])
def _push_configs_to_nodes(self, cluster, instances=None):
extra = self._extract_configs_to_extra(cluster)
if instances is None:
instances = utils.get_instances(cluster)
for inst in instances:
ng_extra = extra[inst.node_group.id]
files = {
'/etc/hadoop/core-site.xml': ng_extra['xml']['core-site'],
'/etc/hadoop/mapred-site.xml': ng_extra['xml']['mapred-site'],
'/etc/hadoop/hdfs-site.xml': ng_extra['xml']['hdfs-site'],
'/tmp/savanna-hadoop-init.sh': ng_extra['setup_script']
}
with remote.get_remote(inst) as r:
# TODO(aignatov): sudo chown is wrong solution. But it works.
r.execute_command(
'sudo chown -R $USER:$USER /etc/hadoop'
)
r.execute_command(
'sudo chown -R $USER:$USER /opt/oozie/conf'
)
r.write_files_to(files)
r.execute_command(
'sudo chmod 0500 /tmp/savanna-hadoop-init.sh'
)
r.execute_command(
'sudo /tmp/savanna-hadoop-init.sh '
'>> /tmp/savanna-hadoop-init.log 2>&1')
nn = utils.get_namenode(cluster)
jt = utils.get_jobtracker(cluster)
with remote.get_remote(nn) as r:
r.write_file_to('/etc/hadoop/dn.incl', utils.
generate_fqdn_host_names(
utils.get_datanodes(cluster)))
if jt:
with remote.get_remote(jt) as r:
r.write_file_to('/etc/hadoop/tt.incl', utils.
generate_fqdn_host_names(
utils.get_tasktrackers(cluster)))
oozie = utils.get_oozie(cluster)
if oozie:
with remote.get_remote(oozie) as r:
r.write_file_to('/opt/oozie/conf/oozie-site.xml',
extra[oozie.node_group.id]
['xml']['oozie-site'])
def scale_cluster(self, cluster, instances):
self._push_configs_to_nodes(cluster, instances=instances)
self._write_hadoop_user_keys(cluster.private_key, instances)
run.refresh_nodes(remote.get_remote(utils.get_namenode(cluster)),
"dfsadmin")
jt = utils.get_jobtracker(cluster)
if jt:
run.refresh_nodes(remote.get_remote(jt), "mradmin")
for i in instances:
with remote.get_remote(i) as r:
if "datanode" in i.node_group.node_processes:
run.start_process(r, "datanode")
if "tasktracker" in i.node_group.node_processes:
run.start_process(r, "tasktracker")
def scale_cluster(self, cluster, instances):
self._push_configs_to_nodes(cluster, instances=instances)
self._write_hadoop_user_keys(cluster.private_key,
instances)
run.refresh_nodes(remote.get_remote(
utils.get_namenode(cluster)), "dfsadmin")
jt = utils.get_jobtracker(cluster)
if jt:
run.refresh_nodes(remote.get_remote(jt), "mradmin")
for i in instances:
with remote.get_remote(i) as r:
if "datanode" in i.node_group.node_processes:
run.start_process(r, "datanode")
if "tasktracker" in i.node_group.node_processes:
run.start_process(r, "tasktracker")
def start_cluster(self, cluster):
nn_instance = utils.get_namenode(cluster)
with remote.get_remote(nn_instance) as r:
run.format_namenode(r)
run.start_processes(r, "namenode")
for snn in utils.get_secondarynamenodes(cluster):
run.start_processes(remote.get_remote(snn), "secondarynamenode")
jt_instance = utils.get_jobtracker(cluster)
if jt_instance:
run.start_processes(remote.get_remote(jt_instance), "jobtracker")
self._start_tt_dn_processes(utils.get_instances(cluster))
self._await_datanodes(cluster)
LOG.info("Hadoop services in cluster %s have been started" %
cluster.name)
oozie = utils.get_oozie(cluster)
if oozie:
with remote.get_remote(oozie) as r:
if c_helper.is_mysql_enable(cluster):
run.mysql_start(r, oozie)
run.oozie_create_db(r)
run.oozie_share_lib(r, nn_instance.hostname())
run.start_oozie(r)
LOG.info("Oozie service at '%s' has been started",
nn_instance.hostname())
hive_server = utils.get_hiveserver(cluster)
if hive_server:
with remote.get_remote(nn_instance) as r:
run.hive_create_warehouse_dir(r)
if c_helper.is_mysql_enable(cluster):
with remote.get_remote(hive_server) as h:
if not oozie or hive_server.hostname() != oozie.hostname():
run.mysql_start(h, hive_server)
run.hive_create_db(h)
run.hive_metastore_start(h)
LOG.info("Hive Metastore server at %s has been started",
hive_server.hostname())
LOG.info('Cluster %s has been started successfully' % cluster.name)
self._set_cluster_info(cluster)
def start_cluster(self, cluster):
instances = utils.get_instances(cluster)
nn_instance = utils.get_namenode(cluster)
jt_instance = utils.get_jobtracker(cluster)
oozie = utils.get_oozie(cluster)
hive_server = utils.get_hiveserver(cluster)
with remote.get_remote(nn_instance) as r:
run.format_namenode(r)
run.start_processes(r, "namenode")
for snn in utils.get_secondarynamenodes(cluster):
run.start_processes(remote.get_remote(snn), "secondarynamenode")
if jt_instance:
run.start_processes(remote.get_remote(jt_instance), "jobtracker")
self._start_tt_dn_processes(instances)
LOG.info("Hadoop services in cluster %s have been started" %
cluster.name)
if oozie:
with remote.get_remote(oozie) as r:
if c_helper.is_mysql_enable(cluster):
run.mysql_start(r, oozie)
run.oozie_create_db(r)
run.oozie_share_lib(r, nn_instance.hostname)
run.start_oozie(r)
LOG.info("Oozie service at '%s' has been started",
nn_instance.hostname)
if hive_server:
with remote.get_remote(nn_instance) as r:
run.hive_create_warehouse_dir(r)
if c_helper.is_mysql_enable(cluster):
with remote.get_remote(hive_server) as h:
if not oozie or hive_server.hostname != oozie.hostname:
run.mysql_start(h, hive_server)
run.hive_create_db(h)
run.hive_metastore_start(h)
LOG.info("Hive Metastore server at %s has been started",
hive_server.hostname)
LOG.info('Cluster %s has been started successfully' % cluster.name)
self._set_cluster_info(cluster)
def run_job(ctx, job_execution):
cluster = conductor.cluster_get(ctx, job_execution.cluster_id)
if cluster.status != "Active":
return job_execution
job = conductor.job_get(ctx, job_execution.job_id)
job_origin = conductor.job_origin_get(context.ctx(), job.job_origin_id)
input_source = conductor.data_source_get(ctx, job_execution.input_id)
output_source = conductor.data_source_get(ctx, job_execution.output_id)
# TODO(nprivalova): should be removed after all features implemented
validate(input_source, output_source, job)
wf_dir = create_workflow_dir(u.get_jobtracker(cluster), job)
upload_job_files(u.get_jobtracker(cluster), wf_dir, job_origin)
creator = workflow_factory.get_creator(job.type, job_origin)
# Do other job type specific setup here, for example
# uploading hive configuration
creator.configure_workflow_if_needed(cluster, wf_dir)
wf_xml = creator.get_workflow_xml(job_execution.job_configs, input_source, output_source)
path_to_workflow = upload_workflow_file(u.get_jobtracker(cluster), wf_dir, wf_xml)
jt_path = "%s:8021" % u.get_jobtracker(cluster).hostname
nn_path = "hdfs://%s:8020" % u.get_namenode(cluster).hostname
client = o.OozieClient(cluster["info"]["JobFlow"]["Oozie"] + "/oozie/")
job_parameters = {
"jobTracker": jt_path,
"nameNode": nn_path,
"user.name": "hadoop",
"oozie.wf.application.path": "%s%s" % (nn_path, path_to_workflow),
"oozie.use.system.libpath": "true",
}
oozie_job_id = client.add_job(x.create_hadoop_xml(job_parameters))
client.run_job(oozie_job_id)
job_execution = conductor.job_execution_update(
ctx, job_execution, {"oozie_job_id": oozie_job_id, "start_time": datetime.datetime.now()}
)
return job_execution
def run_job(ctx, job_execution):
cluster = conductor.cluster_get(ctx, job_execution.cluster_id)
if cluster.status != 'Active':
return job_execution
job = conductor.job_get(ctx, job_execution.job_id)
job_origin = conductor.job_origin_get(context.ctx(), job.job_origin_id)
input_source = conductor.data_source_get(ctx, job_execution.input_id)
output_source = conductor.data_source_get(ctx, job_execution.output_id)
#TODO(nprivalova): should be removed after all features implemented
validate(input_source, output_source, job)
wf_dir = create_workflow_dir(u.get_jobtracker(cluster), job)
upload_job_files(u.get_jobtracker(cluster), wf_dir, job_origin)
if job.type == 'Hive':
upload_hive_site(cluster, wf_dir)
wf_xml = build_workflow_for_job(job.type, job_execution, job_origin,
input_source, output_source)
path_to_workflow = upload_workflow_file(u.get_jobtracker(cluster),
wf_dir, wf_xml)
jt_path = '%s:8021' % u.get_jobtracker(cluster).hostname
nn_path = 'hdfs://%s:8020' % u.get_namenode(cluster).hostname
client = o.OozieClient(cluster['info']['JobFlow']['Oozie'] + "/oozie/")
job_parameters = {"jobTracker": jt_path,
"nameNode": nn_path,
"user.name": "hadoop",
"oozie.wf.application.path":
"%s%s" % (nn_path, path_to_workflow),
"oozie.use.system.libpath": "true"}
oozie_job_id = client.add_job(x.create_hadoop_xml(job_parameters))
client.run_job(oozie_job_id)
job_execution = conductor.job_execution_update(ctx, job_execution,
{'oozie_job_id':
oozie_job_id,
'start_time':
datetime.datetime.now()})
return job_execution
def _extract_configs_to_extra(self, cluster):
nn = utils.get_namenode(cluster)
jt = utils.get_jobtracker(cluster)
oozie = utils.get_oozie(cluster)
extra = dict()
for ng in cluster.node_groups:
extra[ng.id] = {
'xml':
c_helper.generate_xml_configs(
ng.configuration, ng.storage_paths, nn.hostname,
jt.hostname if jt else None,
oozie.hostname if oozie else None),
'setup_script':
c_helper.generate_setup_script(
ng.storage_paths,
c_helper.extract_environment_confs(ng.configuration))
}
return extra
def _await_datanodes(self, cluster):
datanodes_count = len(utils.get_datanodes(cluster))
if datanodes_count < 1:
return
LOG.info("Waiting %s datanodes to start up" % datanodes_count)
with remote.get_remote(utils.get_namenode(cluster)) as r:
while True:
if run.check_datanodes_count(r, datanodes_count):
LOG.info('Datanodes on cluster %s has been started' %
cluster.name)
return
context.sleep(1)
if not g.check_cluster_exists(cluster):
LOG.info(
'Stop waiting datanodes on cluster %s since it has '
'been deleted' % cluster.name)
return
def _extract_configs_to_extra(self, cluster):
nn = utils.get_namenode(cluster)
jt = utils.get_jobtracker(cluster)
oozies_hostnames = [o.hostname for o in utils.get_oozies(cluster)]
extra = dict()
for ng in cluster.node_groups:
extra[ng.id] = {
'xml': c_helper.generate_xml_configs(ng.configuration,
ng.storage_paths,
nn.hostname,
jt.hostname
if jt else None,
oozies_hostnames),
'setup_script': c_helper.generate_setup_script(
ng.storage_paths,
c_helper.extract_environment_confs(ng.configuration)
)
}
return extra
def decommission_nodes(self, cluster, instances):
tts = utils.get_tasktrackers(cluster)
dns = utils.get_datanodes(cluster)
decommission_dns = False
decommission_tts = False
for i in instances:
if 'datanode' in i.node_group.node_processes:
dns.remove(i)
decommission_dns = True
if 'tasktracker' in i.node_group.node_processes:
tts.remove(i)
decommission_tts = True
nn = utils.get_namenode(cluster)
jt = utils.get_jobtracker(cluster)
if decommission_tts:
sc.decommission_tt(jt, instances, tts)
if decommission_dns:
sc.decommission_dn(nn, instances, dns)
def _await_datanodes(self, cluster):
datanodes_count = len(utils.get_datanodes(cluster))
if datanodes_count < 1:
return
LOG.info("Waiting %s datanodes to start up" % datanodes_count)
with remote.get_remote(utils.get_namenode(cluster)) as r:
while True:
if run.check_datanodes_count(r, datanodes_count):
LOG.info(
'Datanodes on cluster %s has been started' %
cluster.name)
return
context.sleep(1)
if not g.check_cluster_exists(cluster):
LOG.info(
'Stop waiting datanodes on cluster %s since it has '
'been deleted' % cluster.name)
return
def decommission_nodes(self, cluster, instances):
tts = utils.get_tasktrackers(cluster)
dns = utils.get_datanodes(cluster)
decommission_dns = False
decommission_tts = False
for i in instances:
if 'datanode' in i.node_group.node_processes:
dns.remove(i)
decommission_dns = True
if 'tasktracker' in i.node_group.node_processes:
tts.remove(i)
decommission_tts = True
nn = utils.get_namenode(cluster)
jt = utils.get_jobtracker(cluster)
if decommission_tts:
sc.decommission_tt(jt, instances, tts)
if decommission_dns:
sc.decommission_dn(nn, instances, dns)
def run_job(ctx, job_execution):
cluster = conductor.cluster_get(ctx, job_execution.cluster_id)
if cluster.status != 'Active':
return job_execution.status
job = conductor.job_get(ctx, job_execution.job_id)
job_origin = conductor.job_origin_get(context.ctx(), job.job_origin_id)
input_source = conductor.data_source_get(ctx, job_execution.input_id)
output_source = conductor.data_source_get(ctx, job_execution.output_id)
#TODO(nprivalova): should be removed after all features implemented
validate(input_source, output_source, job)
wf_dir = create_workflow_dir(u.get_jobtracker(cluster), job)
upload_job_file(u.get_jobtracker(cluster), wf_dir, job_origin, job)
wf_xml = build_workflow_for_job(job.type, input_source, output_source)
path_to_workflow = upload_workflow_file(u.get_jobtracker(cluster), wf_dir,
wf_xml)
jt_path = '%s:8021' % u.get_jobtracker(cluster).hostname
nn_path = 'hdfs://%s:8020' % u.get_namenode(cluster).hostname
client = o.OozieClient(cluster['info']['JobFlow']['Oozie'] + "/oozie/")
job_parameters = {
"jobTracker": jt_path,
"nameNode": nn_path,
"user.name": "hadoop",
"oozie.wf.application.path": "%s%s" % (nn_path, path_to_workflow),
"oozie.use.system.libpath": "true"
}
oozie_job_id = client.add_job(x.create_hadoop_xml(job_parameters))
client.run_job(oozie_job_id)
job_execution = conductor.job_execution_update(
ctx, job_execution, {
'oozie_job_id': oozie_job_id,
'start_time': datetime.datetime.now()
})
return job_execution
def _set_cluster_info(self, cluster):
nn = utils.get_namenode(cluster)
jt = utils.get_jobtracker(cluster)
oozie = utils.get_oozie(cluster)
info = {}
if jt:
info['MapReduce'] = {
'Web UI': 'http://%s:50030' % jt.management_ip
}
if nn:
info['HDFS'] = {'Web UI': 'http://%s:50070' % nn.management_ip}
if oozie:
info['JobFlow'] = {
'Oozie': 'http://%s:11000' % oozie.management_ip
}
ctx = context.ctx()
conductor.cluster_update(ctx, cluster, {'info': info})
def _set_cluster_info(self, cluster):
nn = utils.get_namenode(cluster)
jt = utils.get_jobtracker(cluster)
info = cluster.info
if jt and jt.management_ip:
info['MapReduce'] = {
'Web UI': 'http://%s:50030' % jt.management_ip
}
if nn and nn.management_ip:
info['HDFS'] = {
'Web UI': 'http://%s:50070' % nn.management_ip
}
info['JobFlow'] = {}
for oozie in utils.get_oozies(cluster):
if oozie.management_ip:
info['JobFlow'].update({
'Oozie: %s' % oozie.hostname:
'http://%s:11000' % oozie.management_ip
})
def _set_cluster_info(self, cluster):
nn = utils.get_namenode(cluster)
jt = utils.get_jobtracker(cluster)
oozie = utils.get_oozie(cluster)
info = {}
if jt:
info['MapReduce'] = {
'Web UI': 'http://%s:50030' % jt.management_ip
}
if nn:
info['HDFS'] = {
'Web UI': 'http://%s:50070' % nn.management_ip
}
if oozie:
info['JobFlow'] = {
'Oozie': 'http://%s:11000' % oozie.management_ip
}
ctx = context.ctx()
conductor.cluster_update(ctx, cluster, {'info': info})
def _set_cluster_info(self, cluster):
nn = utils.get_namenode(cluster)
jt = utils.get_jobtracker(cluster)
oozie = utils.get_oozie(cluster)
info = {}
if jt:
ui_port = c_helper.get_port_from_config(
'MapReduce', 'mapred.job.tracker.http.address', cluster)
jt_port = c_helper.get_port_from_config('MapReduce',
'mapred.job.tracker',
cluster)
info['MapReduce'] = {
'Web UI': 'http://%s:%s' % (jt.management_ip, ui_port),
'JobTracker': '%s:%s' % (jt.hostname(), jt_port)
}
if nn:
ui_port = c_helper.get_port_from_config('HDFS', 'dfs.http.address',
cluster)
nn_port = c_helper.get_port_from_config('HDFS', 'fs.default.name',
cluster)
info['HDFS'] = {
'Web UI': 'http://%s:%s' % (nn.management_ip, ui_port),
'NameNode': 'hdfs://%s:%s' % (nn.hostname(), nn_port)
}
if oozie:
#TODO(yrunts) change from hardcode value
info['JobFlow'] = {
'Oozie': 'http://%s:11000' % oozie.management_ip
}
ctx = context.ctx()
conductor.cluster_update(ctx, cluster, {'info': info})
def _extract_configs_to_extra(self, cluster):
nn = utils.get_namenode(cluster)
jt = utils.get_jobtracker(cluster)
oozie = utils.get_oozie(cluster)
hive = utils.get_hiveserver(cluster)
extra = dict()
if hive:
extra['hive_mysql_passwd'] = uuidutils.generate_uuid()
for ng in cluster.node_groups:
extra[ng.id] = {
'xml': c_helper.generate_xml_configs(
ng.configuration,
ng.storage_paths,
nn.hostname,
jt.hostname if jt else None,
oozie.hostname if oozie else None,
hive.hostname if hive else None,
extra['hive_mysql_passwd'] if hive else None),
'setup_script': c_helper.generate_setup_script(
ng.storage_paths,
c_helper.extract_environment_confs(ng.configuration),
append_oozie=(
oozie is not None and oozie.node_group.id == ng.id)
)
}
if c_helper.is_data_locality_enabled(cluster):
topology_data = th.generate_topology_map(
cluster, CONF.enable_hypervisor_awareness)
extra['topology_data'] = "\n".join(
[k + " " + v for k, v in topology_data.items()]) + "\n"
return extra
def _set_cluster_info(self, cluster):
nn = utils.get_namenode(cluster)
jt = utils.get_jobtracker(cluster)
oozie = utils.get_oozie(cluster)
info = {}
if jt:
ui_port = c_helper.get_port_from_config(
'MapReduce', 'mapred.job.tracker.http.address', cluster)
jt_port = c_helper.get_port_from_config(
'MapReduce', 'mapred.job.tracker', cluster)
info['MapReduce'] = {
'Web UI': 'http://%s:%s' % (jt.management_ip, ui_port),
'JobTracker': '%s:%s' % (jt.hostname(), jt_port)
}
if nn:
ui_port = c_helper.get_port_from_config('HDFS', 'dfs.http.address',
cluster)
nn_port = c_helper.get_port_from_config('HDFS', 'fs.default.name',
cluster)
info['HDFS'] = {
'Web UI': 'http://%s:%s' % (nn.management_ip, ui_port),
'NameNode': 'hdfs://%s:%s' % (nn.hostname(), nn_port)
}
if oozie:
#TODO(yrunts) change from hardcode value
info['JobFlow'] = {
'Oozie': 'http://%s:11000' % oozie.management_ip
}
ctx = context.ctx()
conductor.cluster_update(ctx, cluster, {'info': info})
def start_cluster(self, cluster):
nn_instance = utils.get_namenode(cluster)
datanodes = utils.get_datanodes(cluster)
jt_instance = utils.get_jobtracker(cluster)
tasktrackers = utils.get_tasktrackers(cluster)
oozie = utils.get_oozie(cluster)
with remote.get_remote(nn_instance) as r:
run.format_namenode(r)
run.start_process(r, "namenode")
snns = utils.get_secondarynamenodes(cluster)
if snns:
for snn in snns:
run.start_process(remote.get_remote(snn), "secondarynamenode")
for dn in datanodes:
run.start_process(remote.get_remote(dn), "datanode")
LOG.info("HDFS service at '%s' has been started",
nn_instance.hostname)
if jt_instance:
run.start_process(remote.get_remote(jt_instance), "jobtracker")
for tt in tasktrackers:
run.start_process(remote.get_remote(tt), "tasktracker")
LOG.info("MapReduce service at '%s' has been started",
jt_instance.hostname)
if oozie:
with remote.get_remote(oozie) as r:
run.oozie_share_lib(r, nn_instance.hostname)
run.start_oozie(r)
LOG.info("Oozie service at '%s' has been started",
nn_instance.hostname)
LOG.info('Cluster %s has been started successfully' % cluster.name)
self._set_cluster_info(cluster)