def main():
composeFolder = 'compose'
containerToMonitor = 'web'
composePattern = composeFolder + '_' + containerToMonitor
#containerToMonitor = 'ndsapprelease0858_ndspublicengagement-esb--release_1'
logging.basicConfig(level=logging.INFO)
logging.info('Main: started')
#clientConn.TestDockerClient('local')
cli = clientConn.GetDockerClient('local')
#
# try:
# con = cli.containers.get(containerToMonitor)
# except Exception as e:
# logging.warning('Cant find "%s" container running' % containerToMonitor)
# logging.error(e)
# exit()
# Initialize loop variables
cons = utility.getContainerInComposeMode(composePattern, 'local')
containerCount = len(cons)
if containerCount < 1:
logging.error('No containers found with pattern "%s"' %
containerToMonitor)
exit()
else:
firstCon = cons[0]
con = cli.containers.get(firstCon)
cpuseries = [0., 0., 0., 0., 0.]
count = 0
end_Cool_time = None
while (1):
time.sleep(2)
try:
cpu = utility.get_CPU_Percentage(con)
except:
cpu = 0.
meanCPU = utility.handleCPUSeries(cpuseries,
cpu) # getting mean cpu usage
end_Cool_time, containerCount = utility.ScaleContaienr(
meanCPU, end_Cool_time, containerCount, containerToMonitor)
count += 1
logging.info('Main: end')
print('')
def getContainerInComposeMode(con_name_pattern, env):
listOfSameContainerInCompose = []
regexptn = "^" + con_name_pattern + "_";
pattern = re.compile(regexptn)
cli = clientConn.GetDockerClient(env)
for con in cli.containers.list():
conname = con.name
if (pattern.match(conname)):
listOfSameContainerInCompose.append(conname)
return listOfSameContainerInCompose
def getContainerInComposeMode(con_name_pattern, env):
listOfSameContainerInCompose = [] #list of containers
regexptn = "^" + con_name_pattern + ".*"
#to match with the service name
pattern = re.compile(regexptn)
cli = clientConn.GetDockerClient(env)
for con in cli.containers.list():
conname = con.name
#print(conname)
if (pattern.match(conname)):
listOfSameContainerInCompose.append(conname)
return listOfSameContainerInCompose