diff options
Diffstat (limited to 'cloudinit/net/eni.py')
| -rw-r--r-- | cloudinit/net/eni.py | 69 |
1 files changed, 30 insertions, 39 deletions
diff --git a/cloudinit/net/eni.py b/cloudinit/net/eni.py index 5a90eb32..ccd16ba7 100644 --- a/cloudinit/net/eni.py +++ b/cloudinit/net/eni.py @@ -16,10 +16,9 @@ import glob import os import re -from . import LINKS_FNAME_PREFIX from . import ParserError -from .udev import generate_udev_rule +from . import renderer from cloudinit import util @@ -297,21 +296,17 @@ def _ifaces_to_net_config_data(ifaces): 'config': [devs[d] for d in sorted(devs)]} -class Renderer(object): +class Renderer(renderer.Renderer): """Renders network information in a /etc/network/interfaces format.""" - def _render_persistent_net(self, network_state): - """Given state, emit udev rules to map mac to ifname.""" - content = "" - interfaces = network_state.get('interfaces') - for iface in interfaces.values(): - # for physical interfaces write out a persist net udev rule - if iface['type'] == 'physical' and \ - 'name' in iface and iface.get('mac_address'): - content += generate_udev_rule(iface['name'], - iface['mac_address']) - - return content + def __init__(self, config=None): + if not config: + config = {} + self.eni_path = config.get('eni_path', 'etc/network/interfaces') + self.links_path_prefix = config.get( + 'links_path_prefix', 'etc/systemd/network/50-cloud-init-') + self.netrules_path = config.get( + 'netrules_path', 'etc/udev/rules.d/70-persistent-net.rules') def _render_route(self, route, indent=""): """When rendering routes for an iface, in some cases applying a route @@ -360,7 +355,15 @@ class Renderer(object): '''Given state, emit etc/network/interfaces content.''' content = "" - interfaces = network_state.get('interfaces') + content += "auto lo\niface lo inet loopback\n" + + nameservers = network_state.dns_nameservers + if nameservers: + content += " dns-nameservers %s\n" % (" ".join(nameservers)) + searchdomains = network_state.dns_searchdomains + if searchdomains: + content += " dns-search %s\n" % (" ".join(searchdomains)) + ''' Apply a sort order to ensure that we write out the physical interfaces first; this is critical for bonding @@ -371,12 +374,7 @@ class Renderer(object): 'bridge': 2, 'vlan': 3, } - content += "auto lo\niface lo inet loopback\n" - for dnskey, value in network_state.get('dns', {}).items(): - if len(value): - content += " dns-{} {}\n".format(dnskey, " ".join(value)) - - for iface in sorted(interfaces.values(), + for iface in sorted(network_state.iter_interfaces(), key=lambda k: (order[k['type']], k['name'])): if content[-2:] != "\n\n": @@ -409,40 +407,33 @@ class Renderer(object): content += "iface {name} {inet} {mode}\n".format(**iface) content += _iface_add_attrs(iface) - for route in network_state.get('routes'): + for route in network_state.iter_routes(): content += self._render_route(route) # global replacements until v2 format content = content.replace('mac_address', 'hwaddress') return content - def render_network_state( - self, target, network_state, eni="etc/network/interfaces", - links_prefix=LINKS_FNAME_PREFIX, - netrules='etc/udev/rules.d/70-persistent-net.rules', - writer=None): - - fpeni = os.path.sep.join((target, eni,)) + def render_network_state(self, target, network_state): + fpeni = os.path.join(target, self.eni_path) util.ensure_dir(os.path.dirname(fpeni)) util.write_file(fpeni, self._render_interfaces(network_state)) - if netrules: - netrules = os.path.sep.join((target, netrules,)) + if self.netrules_path: + netrules = os.path.join(target, self.netrules_path) util.ensure_dir(os.path.dirname(netrules)) util.write_file(netrules, self._render_persistent_net(network_state)) - if links_prefix: + if self.links_path_prefix: self._render_systemd_links(target, network_state, - links_prefix=links_prefix) + links_prefix=self.links_path_prefix) - def _render_systemd_links(self, target, network_state, - links_prefix=LINKS_FNAME_PREFIX): - fp_prefix = os.path.sep.join((target, links_prefix)) + def _render_systemd_links(self, target, network_state, links_prefix): + fp_prefix = os.path.join(target, links_prefix) for f in glob.glob(fp_prefix + "*"): os.unlink(f) - interfaces = network_state.get('interfaces') - for iface in interfaces.values(): + for iface in network_state.iter_interfaces(): if (iface['type'] == 'physical' and 'name' in iface and iface.get('mac_address')): fname = fp_prefix + iface['name'] + ".link" |