diff options
Diffstat (limited to 'cloudinit/config/cc_refresh_rmc_and_interface.py')
| -rw-r--r-- | cloudinit/config/cc_refresh_rmc_and_interface.py | 53 |
1 files changed, 26 insertions, 27 deletions
diff --git a/cloudinit/config/cc_refresh_rmc_and_interface.py b/cloudinit/config/cc_refresh_rmc_and_interface.py index 146758ad..87be5348 100644 --- a/cloudinit/config/cc_refresh_rmc_and_interface.py +++ b/cloudinit/config/cc_refresh_rmc_and_interface.py @@ -28,26 +28,24 @@ This module handles **Internal name:** ``cc_refresh_rmc_and_interface`` -**Module frequency:** per always +**Module frequency:** always **Supported distros:** RHEL """ +import errno + from cloudinit import log as logging +from cloudinit import netinfo, subp, util from cloudinit.settings import PER_ALWAYS -from cloudinit import util -from cloudinit import subp -from cloudinit import netinfo - -import errno frequency = PER_ALWAYS LOG = logging.getLogger(__name__) # Ensure that /opt/rsct/bin has been added to standard PATH of the # distro. The symlink to rmcctrl is /usr/sbin/rsct/bin/rmcctrl . -RMCCTRL = 'rmcctrl' +RMCCTRL = "rmcctrl" def handle(name, _cfg, _cloud, _log, _args): @@ -56,10 +54,11 @@ def handle(name, _cfg, _cloud, _log, _args): return LOG.debug( - 'Making the IPv6 up explicitly. ' - 'Ensuring IPv6 interface is not being handled by NetworkManager ' - 'and it is restarted to re-establish the communication with ' - 'the hypervisor') + "Making the IPv6 up explicitly. " + "Ensuring IPv6 interface is not being handled by NetworkManager " + "and it is restarted to re-establish the communication with " + "the hypervisor" + ) ifaces = find_ipv6_ifaces() @@ -80,7 +79,7 @@ def find_ipv6_ifaces(): ifaces = [] for iface, data in info.items(): if iface == "lo": - LOG.debug('Skipping localhost interface') + LOG.debug("Skipping localhost interface") if len(data.get("ipv4", [])) != 0: # skip this interface, as it has ipv4 addrs continue @@ -92,16 +91,16 @@ def refresh_ipv6(interface): # IPv6 interface is explicitly brought up, subsequent to which the # RMC services are restarted to re-establish the communication with # the hypervisor. - subp.subp(['ip', 'link', 'set', interface, 'down']) - subp.subp(['ip', 'link', 'set', interface, 'up']) + subp.subp(["ip", "link", "set", interface, "down"]) + subp.subp(["ip", "link", "set", interface, "up"]) def sysconfig_path(iface): - return '/etc/sysconfig/network-scripts/ifcfg-' + iface + return "/etc/sysconfig/network-scripts/ifcfg-" + iface def restart_network_manager(): - subp.subp(['systemctl', 'restart', 'NetworkManager']) + subp.subp(["systemctl", "restart", "NetworkManager"]) def disable_ipv6(iface_file): @@ -113,12 +112,11 @@ def disable_ipv6(iface_file): contents = util.load_file(iface_file) except IOError as e: if e.errno == errno.ENOENT: - LOG.debug("IPv6 interface file %s does not exist\n", - iface_file) + LOG.debug("IPv6 interface file %s does not exist\n", iface_file) else: raise e - if 'IPV6INIT' not in contents: + if "IPV6INIT" not in contents: LOG.debug("Interface file %s did not have IPV6INIT", iface_file) return @@ -135,11 +133,12 @@ def disable_ipv6(iface_file): def search(contents): # Search for any NM_CONTROLLED or IPV6 lines in IPv6 interface file. - return( - contents.startswith("IPV6ADDR") or - contents.startswith("IPADDR6") or - contents.startswith("IPV6INIT") or - contents.startswith("NM_CONTROLLED")) + return ( + contents.startswith("IPV6ADDR") + or contents.startswith("IPADDR6") + or contents.startswith("IPV6INIT") + or contents.startswith("NM_CONTROLLED") + ) def refresh_rmc(): @@ -152,8 +151,8 @@ def refresh_rmc(): # until the subsystem and all resource managers are stopped. # -s : start Resource Monitoring & Control subsystem. try: - subp.subp([RMCCTRL, '-z']) - subp.subp([RMCCTRL, '-s']) + subp.subp([RMCCTRL, "-z"]) + subp.subp([RMCCTRL, "-s"]) except Exception: - util.logexc(LOG, 'Failed to refresh the RMC subsystem.') + util.logexc(LOG, "Failed to refresh the RMC subsystem.") raise |