diff options
Diffstat (limited to 'roles/openshift_facts/library')
| -rwxr-xr-x | roles/openshift_facts/library/openshift_facts.py | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/roles/openshift_facts/library/openshift_facts.py b/roles/openshift_facts/library/openshift_facts.py index c108cd422..9a5d36643 100755 --- a/roles/openshift_facts/library/openshift_facts.py +++ b/roles/openshift_facts/library/openshift_facts.py @@ -24,8 +24,25 @@ import StringIO import yaml from distutils.util import strtobool from distutils.version import LooseVersion -from netaddr import IPNetwork +import struct +import socket +def first_ip(network): + """ Return the first IPv4 address in network + + Args: + network (str): network in CIDR format + Returns: + str: first IPv4 address + """ + def atoi(addr): + return struct.unpack("!I", socket.inet_aton(addr))[0] + def itoa(addr): + return socket.inet_ntoa(struct.pack("!I", addr)) + + (address, netmask) = network.split('/') + netmask_i = (0xffffffff << (32 - atoi(netmask))) & 0xffffffff + return itoa((atoi(address) & netmask_i) + 1) def hostname_valid(hostname): """ Test if specified hostname should be considered valid @@ -525,7 +542,7 @@ def set_aggregate_facts(facts): 'kubernetes.default.svc', 'kubernetes.default.svc.' + cluster_domain] all_hostnames.update(svc_names) internal_hostnames.update(svc_names) - first_svc_ip = str(IPNetwork(facts['master']['portal_net'])[1]) + first_svc_ip = first_ip(facts['master']['portal_net']) all_hostnames.add(first_svc_ip) internal_hostnames.add(first_svc_ip) _add_etcd_data_dir_fact(facts) |