def _number_of_tasktrackers(self, jt_hostname, timeout, retries=0):
url = "http://%s:50030/jobtracker.jsp" % jt_hostname
jt_page = url_get(url, timeout, retries)
m = self._NUMBER_OF_TASK_TRACKERS.search(jt_page)
if m:
return int(m.group(1))
return 0
def _number_of_tasktrackers(self, jt_hostname, timeout, retries=0):
url = "http://%s:50030/jobtracker.jsp" % jt_hostname
jt_page = url_get(url, timeout, retries)
m = self._NUMBER_OF_TASK_TRACKERS.search(jt_page)
if m:
return int(m.group(1))
return 0
def _authorize_client_ports(self, client_cidrs=[]):
if not client_cidrs:
self.logger.debug(
"No client CIDRs specified, using local address.")
client_ip = url_get('http://checkip.amazonaws.com/').strip()
client_cidrs = ("%s/32" % client_ip, )
self.logger.debug("Client CIDRs: %s", client_cidrs)
namenode = self._get_namenode()
jobtracker = self._get_jobtracker()
for client_cidr in client_cidrs:
# Allow access to port 80 on namenode from client
self.cluster.authorize_role(self.NAMENODE, 80, 80, client_cidr)
# Allow access to jobtracker UI on master from client
# (so we can see when the cluster is ready)
self.cluster.authorize_role(self.JOBTRACKER, 50030, 50030,
client_cidr)
# Allow access to namenode and jobtracker via public address from each other
namenode_ip = socket.gethostbyname(namenode.public_dns_name)
jobtracker_ip = socket.gethostbyname(jobtracker.public_dns_name)
self.cluster.authorize_role(self.NAMENODE, 8020, 8020,
"%s/32" % namenode_ip)
self.cluster.authorize_role(self.NAMENODE, 8020, 8020,
"%s/32" % jobtracker_ip)
self.cluster.authorize_role(self.JOBTRACKER, 8021, 8021,
"%s/32" % namenode_ip)
self.cluster.authorize_role(self.JOBTRACKER, 8021, 8021,
"%s/32" % jobtracker_ip)
def _authorize_client_ports(self, client_cidrs=[]):
if not client_cidrs:
self.logger.debug("No client CIDRs specified, using local address.")
client_ip = url_get('http://checkip.amazonaws.com/').strip()
client_cidrs = ("%s/32" % client_ip,)
self.logger.debug("Client CIDRs: %s", client_cidrs)
namenode = self._get_namenode()
jobtracker = self._get_jobtracker()
for client_cidr in client_cidrs:
# Allow access to port 80 on namenode from client
self.cluster.authorize_role(self.NAMENODE, 80, 80, client_cidr)
# Allow access to jobtracker UI on master from client
# (so we can see when the cluster is ready)
self.cluster.authorize_role(self.JOBTRACKER, 50030, 50030, client_cidr)
# Allow access to namenode and jobtracker via public address from each other
namenode_ip = socket.gethostbyname(namenode.public_dns_name)
jobtracker_ip = socket.gethostbyname(jobtracker.public_dns_name)
self.cluster.authorize_role(self.NAMENODE, 8020, 8020, "%s/32" % namenode_ip)
self.cluster.authorize_role(self.NAMENODE, 8020, 8020, "%s/32" % jobtracker_ip)
self.cluster.authorize_role(self.JOBTRACKER, 8021, 8021, "%s/32" % namenode_ip)
self.cluster.authorize_role(self.JOBTRACKER, 8021, 8021,
"%s/32" % jobtracker_ip)
