from yanoama.core.essential import Essential, \
get_hostname, log
from yanoama.backend.mongo import Mongo
except ImportError:
sys.path.append(get_install_path())
#import yanoama modules alternatively
from yanoama.core.essential import Essential, \
get_hostname, log
from yanoama.backend.mongo import Mongo
if __name__ == '__main__':
kernel=Essential()
db = Mongo()
local_peers=db.get_peers()
for coordinator in kernel.get_coordinators(get_hostname()):
peers=db.get_peers(coordinator)
to_be_removed=[]
for hostname in peers.keys():
if hostname in local_peers:
if local_peers[hostname]>peers[hostname]:
to_be_removed.append(hostname)
for hostname in to_be_removed:
del local_peers[hostname]
db.save_peers(local_peers)
#log/print out to the standard output
log('current number of members:'+str(len(local_peers.keys()))+', done.')
return (_ple_deployment['path'])
try:
from yanoama.core.essential import Essential, \
check_hostname, log, build_hosts_file
from yanoama.backend.mongo import Mongo
except ImportError:
sys.path.append(get_install_path())
#import yanoama modules alternatively
from yanoama.core.essential import Essential, \
check_hostname, log, build_hosts_file
from yanoama.backend.mongo import Mongo
if __name__ == '__main__':
db=Mongo()
kernel=Essential()
for coordinator in kernel.get_coordinators():
if db.am_i_a_member_of_this(coordinator):
build_hosts_file(coordinator)
sys.exit(0)
build_hosts_file()
hostname='coordinator'
log(hostname+' ('+check_hostname(hostname)+'), done.')
sys.exit(0)
"""Deploy yanoama based on the node role,
either peer or coordinator.
"""
kernel=Essential()
#update services file with temp file,
#rest must be done by command line
temp_services_file='/tmp/services'
f = open(temp_services_file, 'w')
f.write('#local services'+'\n')
f.write('pilot\t\t'+str(kernel.get_pilot_port())+'/tcp\n')
f.write('mongo\t\t'+str(kernel.get_db_port())+'/tcp\n')
f.write('mongo_replication\t\t'+str(kernel.get_db_replication_port())+'/tcp\n')
f.close()
if get_hostname() in kernel.get_coordinators().keys():
"""this is a coordinator
#here the two-step installation procedure
#1) install cron jobs: get_rtt.py and
# peering.py
#2) install mongodb database as part of amen
# monitoring system.
"""
#
#
#(1)installing cron jobs
## get_rtt
kernel.install_runnable_script('/yanoama/monitoring/get_rtt.py')
#install as a cron job
install_cron_job("get_rtt.py > /tmp/get_rtt_output.log 2>&1")
