mirror of
https://github.com/kernelkit/infix.git
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yanger: Move ietf-{interfaces,routing} implementations to separate modules
Should this have been two commits: yes. Should we spend time on splitting them after the fact because yours truly dropped the ball: no.
This commit is contained in:
Tobias Waldekranz
@@ -0,0 +1,564 @@
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from ..common import insert, lookup, LOG
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from ..host import HOST
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def json_get_yang_type(iface_in):
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if iface_in['link_type'] == "loopback":
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return "infix-if-type:loopback"
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if iface_in['link_type'] in ("gre", "gre6"):
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return "infix-if-type:gre"
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if iface_in['link_type'] != "ether":
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return "infix-if-type:other"
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if 'parentbus' in iface_in and iface_in['parentbus'] == "virtio":
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return "infix-if-type:etherlike"
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if 'linkinfo' not in iface_in:
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return "infix-if-type:ethernet"
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if 'info_kind' not in iface_in['linkinfo']:
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return "infix-if-type:ethernet"
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if iface_in['linkinfo']['info_kind'] == "veth":
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return "infix-if-type:veth"
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if iface_in['linkinfo']['info_kind'] in ("gretap", "ip6gretap"):
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return "infix-if-type:gretap"
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if iface_in['linkinfo']['info_kind'] == "vlan":
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return "infix-if-type:vlan"
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if iface_in['linkinfo']['info_kind'] == "bridge":
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return "infix-if-type:bridge"
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if iface_in['linkinfo']['info_kind'] == "dsa":
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return "infix-if-type:ethernet"
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if iface_in['linkinfo']['info_kind'] == "dummy":
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return "infix-if-type:dummy"
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# Fallback
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return "infix-if-type:ethernet"
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def json_get_yang_origin(addr):
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"""Translate kernel IP address origin to YANG"""
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xlate = {
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"kernel_ll": "link-layer",
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"kernel_ra": "link-layer",
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"static": "static",
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"dhcp": "dhcp",
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"random": "random",
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}
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proto = addr['protocol']
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if proto in ("kernel_ll", "kernel_ra"):
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if "stable-privacy" in addr:
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return "random"
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return xlate.get(proto, "other")
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def iface_is_dsa(iface_in):
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"""Check if interface is a DSA/intra-switch port"""
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if "linkinfo" not in iface_in:
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return False
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if "info_kind" not in iface_in['linkinfo']:
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return False
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if iface_in['linkinfo']['info_kind'] != "dsa":
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return False
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return True
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def get_bridge_port_pvid(ifname):
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data = HOST.run_json(['bridge', '-j', 'vlan', 'show', 'dev', ifname])
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if len(data) != 1:
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return None
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iface = data[0]
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for vlan in iface['vlans']:
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if 'flags' in vlan and 'PVID' in vlan['flags']:
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return vlan['vlan']
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return None
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def get_bridge_port_stp_state(ifname):
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data = HOST.run_json(['bridge', '-j', 'link', 'show', 'dev', ifname])
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if len(data) != 1:
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return None
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iface = data[0]
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states = ['disabled', 'listening', 'learning', 'forwarding', 'blocking']
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if 'state' in iface and iface['state'] in states:
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return iface['state']
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return None
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def get_brport_multicast(ifname):
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"""Check if multicast snooping is enabled on bridge, default: nope"""
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data = HOST.run_json(['mctl', '-p', 'show', 'igmp', 'json'], default={})
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multicast = {}
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if ifname in data.get('fast-leave-ports', []):
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multicast["fast-leave"] = True
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else:
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multicast["fast-leave"] = False
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if ifname in data.get('multicast-router-ports', []):
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multicast["router"] = "permanent"
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else:
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multicast["router"] = "auto"
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return multicast
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# We always get all interfaces for two reasons.
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# 1) To increase speed on large iron with many ports.
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# 2) To simplify testing (single dummy file ip-link-show.json).
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def get_ip_link():
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"""Fetch interface link information from kernel"""
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return HOST.run_json(['ip', '-s', '-d', '-j', 'link', 'show'])
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def netns_get_ip_link(netns):
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"""Fetch interface link information from within a network namespace"""
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return HOST.run_json(['ip', 'netns', 'exec', netns, 'ip', '-s', '-d', '-j', 'link', 'show'])
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def get_ip_addr():
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"""Fetch interface address information from kernel"""
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return HOST.run_json(['ip', '-j', 'addr', 'show'])
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def netns_get_ip_addr(netns):
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"""Fetch interface address information from within a network namespace"""
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return HOST.run_json(['ip', 'netns', 'exec', netns, 'ip', '-j', 'addr', 'show'])
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def get_netns_list():
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"""Fetch a list of network namespaces"""
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return HOST.run_json(['ip', '-j', 'netns', 'list'], [])
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def netns_find_ifname(ifname):
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"""Find which network namespace owns ifname (if any)"""
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for netns in get_netns_list():
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for iface in netns_get_ip_link(netns['name']):
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if 'ifalias' in iface and iface['ifalias'] == ifname:
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return netns['name']
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return None
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def netns_ifindex_to_ifname(ifindex):
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"""Look through all network namespaces for an interface index and return its name"""
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for netns in get_netns_list():
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for iface in netns_get_ip_link(netns['name']):
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if iface['ifindex'] == ifindex:
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if 'ifalias' in iface:
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return iface['ifalias']
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if 'ifname' in iface:
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return iface['ifname']
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return None
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return None
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def add_bridge_port_common(ifname, iface_in, iface_out):
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li = iface_in.get("linkinfo", {})
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if not (li.get("info_slave_kind") == "bridge" or \
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li.get("info_kind") == "bridge"):
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return
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pvid = get_bridge_port_pvid(ifname)
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if pvid is not None:
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insert(iface_out, "infix-interfaces:bridge-port", "pvid", pvid)
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def add_bridge_port_lower(ifname, iface_in, iface_out):
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li = iface_in.get("linkinfo", {})
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if not li.get("info_slave_kind") == "bridge":
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return
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insert(iface_out, "infix-interfaces:bridge-port", "bridge", iface_in['master'])
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stp_state = get_bridge_port_stp_state(ifname)
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if stp_state is not None:
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insert(iface_out, "infix-interfaces:bridge-port", "stp-state", stp_state)
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multicast = get_brport_multicast(ifname)
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insert(iface_out, "infix-interfaces:bridge-port", "multicast", multicast)
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def add_gre(iface_in, iface_out):
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if 'link_type' in iface_in:
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val = json_get_yang_type(iface_in)
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if val != "infix-if-type:gre" and val != "infix-if-type:gretap":
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return;
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gre={}
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info_data=iface_in.get("linkinfo", {}).get("info_data", {})
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gre["local"] = info_data.get("local")
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gre["remote"] = info_data.get("remote")
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insert(iface_out, "infix-interfaces:gre", gre)
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def add_ip_link(ifname, iface_in, iface_out):
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if 'ifname' in iface_in:
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iface_out['name'] = ifname
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if 'ifindex' in iface_in:
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iface_out['if-index'] = iface_in['ifindex']
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if 'ifalias' in iface_in:
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iface_out['description'] = iface_in['ifalias']
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if 'address' in iface_in and not "POINTOPOINT" in iface_in["flags"]:
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iface_out['phys-address'] = iface_in['address']
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add_bridge_port_common(ifname, iface_in, iface_out)
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add_bridge_port_lower(ifname, iface_in, iface_out)
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if not iface_is_dsa(iface_in):
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if iface_in.get('link'):
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insert(iface_out, "infix-interfaces:vlan", "lower-layer-if", iface_in['link'])
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elif 'link_index' in iface_in:
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# 'link_index' is the only reference we have if the link iface is in a namespace
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lower = netns_ifindex_to_ifname(iface_in['link_index'])
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if lower:
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insert(iface_out, "infix-interfaces:vlan", "lower-layer-if", lower)
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if 'flags' in iface_in:
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iface_out['admin-status'] = "up" if "UP" in iface_in['flags'] else "down"
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if 'operstate' in iface_in:
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xlate = {
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"DOWN": "down",
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"UP": "up",
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"DORMANT": "dormant",
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"TESTING": "testing",
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"LOWERLAYERDOWN": "lower-layer-down",
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"NOTPRESENT": "not-present"
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}
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val = xlate.get(iface_in['operstate'], "unknown")
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iface_out['oper-status'] = val
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if 'link_type' in iface_in:
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val = json_get_yang_type(iface_in)
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iface_out['type'] = val
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add_gre(iface_in, iface_out)
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val = lookup(iface_in, "stats64", "rx", "bytes")
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if val is not None:
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insert(iface_out, "statistics", "out-octets", str(val))
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val = lookup(iface_in, "stats64", "tx", "bytes")
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if val is not None:
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insert(iface_out, "statistics", "in-octets", str(val))
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def add_ip_addr(ifname, iface_in, iface_out):
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if 'mtu' in iface_in and ifname != "lo":
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insert(iface_out, "ietf-ip:ipv4", "mtu", iface_in['mtu'])
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val = HOST.read(f"/proc/sys/net/ipv6/conf/{ifname}/mtu")
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if val is not None:
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insert(iface_out, "ietf-ip:ipv6", "mtu", int(val.strip()))
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if 'addr_info' in iface_in:
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inet = []
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inet6 = []
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for addr in iface_in['addr_info']:
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new = {}
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if 'family' not in addr:
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LOG.error("'family' missing from 'addr_info'")
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continue
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if 'local' in addr:
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new['ip'] = addr['local']
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if 'prefixlen' in addr:
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new['prefix-length'] = addr['prefixlen']
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if 'protocol' in addr:
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new['origin'] = json_get_yang_origin(addr)
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if addr['family'] == "inet":
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inet.append(new)
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elif addr['family'] == "inet6":
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inet6.append(new)
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else:
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LOG.error("invalid 'family' in 'addr_info'")
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sys.exit(1)
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insert(iface_out, "ietf-ip:ipv4", "address", inet)
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insert(iface_out, "ietf-ip:ipv6", "address", inet6)
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def add_ethtool_groups(ifname, iface_out):
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"""Fetch interface counters from kernel (need new JSON format!)"""
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cmd = ['ethtool', '--json', '-S', ifname, '--all-groups']
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try:
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data = HOST.run_json(cmd)
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if len(data) != 1:
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LOG.warning("%s: no counters available, skipping.", ifname)
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return
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except subprocess.CalledProcessError:
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# Allow comand to fail, not all NICs support --json yet
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return
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iface_in = data[0]
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# TODO: room for improvement, the "frame" creation could be more dynamic.
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if "eth-mac" in iface_in or "rmon" in iface_in:
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insert(iface_out, "ieee802-ethernet-interface:ethernet", "statistics", "frame", {})
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frame = iface_out['ieee802-ethernet-interface:ethernet']['statistics']['frame']
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if "eth-mac" in iface_in:
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mac_in = iface_in['eth-mac']
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if "FramesTransmittedOK" in mac_in:
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frame['out-frames'] = str(mac_in['FramesTransmittedOK'])
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if "MulticastFramesXmittedOK" in mac_in:
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frame['out-multicast-frames'] = str(mac_in['MulticastFramesXmittedOK'])
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if "BroadcastFramesXmittedOK" in mac_in:
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frame['out-broadcast-frames'] = str(mac_in['BroadcastFramesXmittedOK'])
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if "FramesReceivedOK" in mac_in:
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frame['in-frames'] = str(mac_in['FramesReceivedOK'])
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if "MulticastFramesReceivedOK" in mac_in:
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frame['in-multicast-frames'] = str(mac_in['MulticastFramesReceivedOK'])
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if "BroadcastFramesReceivedOK" in mac_in:
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frame['in-broadcast-frames'] = str(mac_in['BroadcastFramesReceivedOK'])
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if "FrameCheckSequenceErrors" in mac_in:
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frame['in-error-fcs-frames'] = str(mac_in['FrameCheckSequenceErrors'])
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if "FramesLostDueToIntMACRcvError" in mac_in:
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frame['in-error-mac-internal-frames'] = str(mac_in['FramesLostDueToIntMACRcvError'])
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if "OctetsTransmittedOK" in mac_in:
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frame['infix-ethernet-interface:out-good-octets'] = str(mac_in['OctetsTransmittedOK'])
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if "OctetsReceivedOK" in mac_in:
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frame['infix-ethernet-interface:in-good-octets'] = str(mac_in['OctetsReceivedOK'])
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tot = 0
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found = False
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if "FramesReceivedOK" in mac_in:
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tot += mac_in['FramesReceivedOK']
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found = True
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if "FrameCheckSequenceErrors" in mac_in:
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tot += mac_in['FrameCheckSequenceErrors']
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found = True
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if "FramesLostDueToIntMACRcvError" in mac_in:
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tot += mac_in['FramesLostDueToIntMACRcvError']
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found = True
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if "AlignmentErrors" in mac_in:
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tot += mac_in['AlignmentErrors']
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found = True
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if "etherStatsOversizePkts" in mac_in:
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tot += mac_in['etherStatsOversizePkts']
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found = True
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if "etherStatsJabbers" in mac_in:
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tot += mac_in['etherStatsJabbers']
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found = True
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if found:
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frame['in-total-frames'] = str(tot)
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if "rmon" in iface_in:
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rmon_in = iface_in['rmon']
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if "undersize_pkts" in rmon_in:
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frame['in-error-undersize-frames'] = str(rmon_in['undersize_pkts'])
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tot = 0
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found = False
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if "etherStatsJabbers" in rmon_in:
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tot += rmon_in['etherStatsJabbers']
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found = True
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if "etherStatsOversizePkts" in rmon_in:
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tot += rmon_in['etherStatsOversizePkts']
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found = True
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if found:
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frame['in-error-oversize-frames'] = str(tot)
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def add_ethtool_std(ifname, iface_out):
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"""Fetch interface speed/duplex/autoneg from kernel"""
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keys = ['Speed', 'Duplex', 'Auto-negotiation']
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result = {}
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lines = HOST.run_multiline(['ethtool', ifname])
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for line in lines:
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line = line.strip()
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key = line.split(':', 1)[0].strip()
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if key in keys:
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key, value = line.split(':', 1)
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result[key.strip()] = value.strip()
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if "Auto-negotiation" in result:
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if result['Auto-negotiation'] == "on":
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insert(iface_out, "ieee802-ethernet-interface:ethernet", "auto-negotiation", "enable", True)
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else:
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insert(iface_out, "ieee802-ethernet-interface:ethernet", "auto-negotiation", "enable", False)
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if "Duplex" in result:
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if result['Duplex'] == "Half":
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insert(iface_out, "ieee802-ethernet-interface:ethernet", "duplex", "half")
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elif result['Duplex'] == "Full":
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insert(iface_out, "ieee802-ethernet-interface:ethernet", "duplex", "full")
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else:
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insert(iface_out, "ieee802-ethernet-interface:ethernet", "duplex", "unknown")
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if "Speed" in result and result['Speed'] != "Unknown!":
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# Avoid importing re (performance)
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num = ''.join(filter(str.isdigit, result['Speed']))
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if num:
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num = round((int(num) / 1000), 3)
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insert(iface_out, "ieee802-ethernet-interface:ethernet", "speed", str(num))
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def get_querier_data(querier_data):
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multicast={}
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if not querier_data:
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multicast["snooping"] = False
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return multicast
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multicast["snooping"] = True
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if(querier_data.get("query-interval")):
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multicast["query-interval"] = querier_data["query-interval"]
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return multicast
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def get_multicast_filters(filters):
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multicast_filters=[]
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for f in filters:
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multicast_filter={}
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multicast_filter["group"] = f["group"]
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multicast_filter["ports"] = []
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for p in f["ports"]:
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port={}
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port["port"] = p
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multicast_filter["ports"].append(port)
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multicast_filters.append(multicast_filter)
|
||||
return multicast_filters
|
||||
|
||||
def add_mdb_to_bridge(brname, iface_out, mc_status):
|
||||
filters = [entry for entry in mc_status.get("multicast-groups", []) if entry.get('vid') == None and entry.get('bridge') == brname]
|
||||
querier = next((querier for querier in mc_status.get('multicast-queriers', []) if (querier.get("interface", "") == brname) and (querier.get("vid") is None)), None)
|
||||
multicast = get_querier_data(querier)
|
||||
multicast_filters = get_multicast_filters(filters)
|
||||
insert(iface_out, "infix-interfaces:bridge", "multicast", multicast)
|
||||
insert(iface_out, "infix-interfaces:bridge", "multicast-filters", "multicast-filter", multicast_filters)
|
||||
|
||||
def add_container_ifaces(yang_ifaces):
|
||||
"""Add all podman interfaces with limited data"""
|
||||
interfaces={}
|
||||
try:
|
||||
containers = HOST.run_json(['podman', 'ps', '-a', '--format=json'], default=[])
|
||||
except Exception as e:
|
||||
logging.error(f"Error, unable to run podman: {e}")
|
||||
return
|
||||
|
||||
for container in containers:
|
||||
name = container.get('Names', ['Unknown'])[0]
|
||||
networks = container.get('Networks', [])
|
||||
|
||||
for network in networks:
|
||||
if not network in interfaces:
|
||||
interfaces[network] = []
|
||||
if name not in interfaces[network]:
|
||||
interfaces[network].append(name)
|
||||
|
||||
for ifname, containers in interfaces.items():
|
||||
iface_out = {}
|
||||
iface_out['name'] = ifname
|
||||
iface_out['type'] = "infix-if-type:other" # Fallback
|
||||
insert(iface_out, "infix-interfaces:container-network", "containers", containers)
|
||||
|
||||
netns = netns_find_ifname(ifname)
|
||||
if netns is not None:
|
||||
ip_link_data = netns_get_ip_link(netns)
|
||||
ip_link_data = next((d for d in ip_link_data if d.get('ifalias') == ifname), None)
|
||||
add_ip_link(ifname, ip_link_data, iface_out)
|
||||
|
||||
yang_ifaces.append(iface_out)
|
||||
|
||||
# Helper function to add tagged/untagged interfaces to a vlan dict in a list
|
||||
def _add_vlan_iface(vlans, multicast_filter, multicast, vid, key, val):
|
||||
for d in vlans:
|
||||
if d['vid'] == vid:
|
||||
if key in d:
|
||||
d[key].append(val)
|
||||
else:
|
||||
d[key] = [val]
|
||||
return
|
||||
|
||||
vlans.append({'vid': vid, "multicast-filters": {"multicast-filter": multicast_filter}, "multicast": multicast, key: [val]})
|
||||
|
||||
def add_vlans_to_bridge(brname, iface_out, mc_status):
|
||||
slaves = [] # Contains all interfaces that has this bridge as 'master'
|
||||
for iface in HOST.run_json(['bridge', '-j', 'link']):
|
||||
if "master" in iface and iface['master'] == brname:
|
||||
slaves.append(iface['ifname'])
|
||||
|
||||
vlans = [] # Contains all vlans and slaves belonging to this bridge
|
||||
for iface in HOST.run_json(['bridge', '-j', 'vlan']):
|
||||
if iface['ifname'] not in slaves and iface['ifname'] != brname:
|
||||
continue
|
||||
for vlan in iface['vlans']:
|
||||
querier = next((querier for querier in mc_status.get('multicast-queriers', []) if (querier.get("vid") == vlan['vlan'])), None)
|
||||
filters = [entry for entry in mc_status.get("multicast-groups", []) if (entry.get("vid") == vlan["vlan"])]
|
||||
if 'flags' in vlan and 'Egress Untagged' in vlan['flags']:
|
||||
_add_vlan_iface(vlans, get_multicast_filters(filters), get_querier_data(querier), vlan['vlan'], 'untagged', iface['ifname'])
|
||||
else:
|
||||
_add_vlan_iface(vlans, get_multicast_filters(filters), get_querier_data(querier), vlan['vlan'], 'tagged', iface['ifname'])
|
||||
|
||||
insert(iface_out, "infix-interfaces:bridge", "vlans", "vlan", vlans)
|
||||
|
||||
def get_iface_data(ifname, ip_link_data, ip_addr_data):
|
||||
iface_out = {}
|
||||
|
||||
add_ip_link(ifname, ip_link_data, iface_out)
|
||||
add_ip_addr(ifname, ip_addr_data, iface_out)
|
||||
|
||||
if 'type' in iface_out and iface_out['type'] == "infix-if-type:ethernet":
|
||||
add_ethtool_groups(ifname, iface_out)
|
||||
add_ethtool_std(ifname, iface_out)
|
||||
|
||||
if 'type' in iface_out and iface_out['type'] == "infix-if-type:bridge":
|
||||
# Fail silent, multicast snooping may not be enabled on bridge
|
||||
mc_status = HOST.run_json(['mctl', '-p', 'show', 'igmp', 'json'], default={})
|
||||
|
||||
add_vlans_to_bridge(ifname, iface_out, mc_status)
|
||||
add_mdb_to_bridge(ifname, iface_out, mc_status)
|
||||
|
||||
return iface_out
|
||||
|
||||
def _add_interface(ifname, ip_link_data, ip_addr_data, yang_ifaces):
|
||||
# We expect both ip addr and link data to exist.
|
||||
if not ip_link_data or not ip_addr_data:
|
||||
return
|
||||
|
||||
# Skip internal interfaces.
|
||||
if 'group' in ip_link_data and ip_link_data['group'] == "internal":
|
||||
return
|
||||
|
||||
yang_ifaces.append(get_iface_data(ifname, ip_link_data, ip_addr_data))
|
||||
|
||||
def operational(ifname=None):
|
||||
out = {
|
||||
"ietf-interfaces:interfaces": {
|
||||
"interface": []
|
||||
}
|
||||
}
|
||||
out_ifaces = out["ietf-interfaces:interfaces"]["interface"]
|
||||
|
||||
ip_link_data = get_ip_link()
|
||||
ip_addr_data = get_ip_addr()
|
||||
|
||||
if ifname:
|
||||
ip_link_data = next((d for d in ip_link_data if d.get('ifname') == ifname), None)
|
||||
ip_addr_data = next((d for d in ip_addr_data if d.get('ifname') == ifname), None)
|
||||
_add_interface(ifname, ip_link_data, ip_addr_data, out_ifaces)
|
||||
else:
|
||||
for link in ip_link_data:
|
||||
addr = next((d for d in ip_addr_data if d.get('ifname') == link["ifname"]), None)
|
||||
_add_interface(link["ifname"], link, addr, out_ifaces)
|
||||
|
||||
add_container_ifaces(out_ifaces)
|
||||
|
||||
return out
|
||||
@@ -0,0 +1,149 @@
|
||||
from datetime import timedelta
|
||||
from re import match
|
||||
|
||||
from .common import insert
|
||||
from .host import HOST
|
||||
|
||||
|
||||
def uptime2datetime(uptime):
|
||||
"""
|
||||
Convert uptime to YANG format (YYYY-MM-DDTHH:MM:SS+00:00)
|
||||
|
||||
Handles the following input formats (frrtime):
|
||||
HH:MM:SS
|
||||
XdXXhXXm
|
||||
XXwXdXXh
|
||||
"""
|
||||
h = m = s = 0
|
||||
|
||||
# Format HH:MM:SS
|
||||
if match(r'^\d{2}:\d{2}:\d{2}$', uptime):
|
||||
h, m, s = map(int, uptime.split(':'))
|
||||
|
||||
# Format XdXXhXXm (days, hours, minutes)
|
||||
elif match(r'^\d+d\d{2}h\d{2}m$', uptime):
|
||||
days = int(uptime.split('d')[0])
|
||||
h = int(uptime.split('d')[1].split('h')[0])
|
||||
m = int(uptime.split('h')[1].split('m')[0])
|
||||
h += days * 24
|
||||
|
||||
# Format XwXdXXh (weeks, days, hours)
|
||||
elif match(r'^\d{2}w\d{1}d\d{2}h$', uptime):
|
||||
weeks = int(uptime.split('w')[0])
|
||||
days = int(uptime.split('w')[1].split('d')[0])
|
||||
h = int(uptime.split('d')[1].split('h')[0])
|
||||
h += weeks * 7 * 24
|
||||
h += days * 24
|
||||
|
||||
uptime_delta = timedelta(hours=h, minutes=m, seconds=s)
|
||||
current_time = HOST.now()
|
||||
last_updated = current_time - uptime_delta
|
||||
date_timestd = last_updated.strftime('%Y-%m-%dT%H:%M:%S%z')
|
||||
|
||||
return date_timestd[:-2] + ':' + date_timestd[-2:]
|
||||
|
||||
|
||||
def add_protocol(routes, proto):
|
||||
"""Populate routes from vtysh JSON output"""
|
||||
|
||||
frrproto = "ip" if proto == "ipv4" else proto
|
||||
data = HOST.run_json(['vtysh', '-c', f"show {frrproto} route json"], {})
|
||||
|
||||
# Mapping of FRR protocol names to IETF routing-protocol
|
||||
pmap = {
|
||||
'kernel': 'infix-routing:kernel',
|
||||
'connected': 'direct',
|
||||
'static': 'static',
|
||||
'ospf': 'ietf-ospf:ospfv2',
|
||||
'ospf6': 'ietf-ospf:ospfv3',
|
||||
}
|
||||
|
||||
out = {}
|
||||
out["route"] = []
|
||||
|
||||
if proto == "ipv4":
|
||||
default = "0.0.0.0/0"
|
||||
host_prefix_length = "32"
|
||||
else:
|
||||
default = "::/0"
|
||||
host_prefix_length = "128"
|
||||
|
||||
for prefix, entries in data.items():
|
||||
for route in entries:
|
||||
new = {}
|
||||
dst = route.get('prefix', default)
|
||||
if '/' not in dst:
|
||||
dst = f"{dst}/{route.get('prefixLen', host_prefix_length)}"
|
||||
|
||||
new[f'ietf-{proto}-unicast-routing:destination-prefix'] = dst
|
||||
frr = route.get('protocol', 'infix-routing:kernel')
|
||||
new['source-protocol'] = pmap.get(frr, 'infix-routing:kernel')
|
||||
new['route-preference'] = route.get('distance', 0)
|
||||
|
||||
# Metric only available in the model for OSPF routes
|
||||
if 'ospf' in frr:
|
||||
new['ietf-ospf:metric'] = route.get('metric', 0)
|
||||
|
||||
# See https://datatracker.ietf.org/doc/html/rfc7951#section-6.9
|
||||
# for details on how presence leaves are encoded in JSON: [null]
|
||||
if route.get('selected', False):
|
||||
new['active'] = [None]
|
||||
|
||||
new['last-updated'] = uptime2datetime(route.get('uptime', 0))
|
||||
installed = route.get('installed', False)
|
||||
|
||||
next_hops = []
|
||||
for hop in route.get('nexthops', []):
|
||||
next_hop = {}
|
||||
if hop.get('ip'):
|
||||
next_hop[f'ietf-{proto}-unicast-routing:address'] = hop['ip']
|
||||
elif hop.get('interfaceName'):
|
||||
next_hop['outgoing-interface'] = hop['interfaceName']
|
||||
# See zebra/zebra_vty.c:re_status_outpupt_char()
|
||||
if installed and hop.get('fib', False):
|
||||
next_hop['infix-routing:installed'] = [None]
|
||||
next_hops.append(next_hop)
|
||||
|
||||
if next_hops:
|
||||
new['next-hop'] = {'next-hop-list': {'next-hop': next_hops}}
|
||||
else:
|
||||
next_hop = {}
|
||||
protocol = route.get('protocol', 'unicast')
|
||||
if protocol == "blackhole":
|
||||
next_hop['special-next-hop'] = "blackhole"
|
||||
elif protocol == "unreachable":
|
||||
next_hop['special-next-hop'] = "unreachable"
|
||||
else:
|
||||
if route.get('interfaceName'):
|
||||
next_hop['outgoing-interface'] = route['interfaceName']
|
||||
if route.get('nexthop'):
|
||||
next_hop[f'ietf-{proto}-unicast-routing:next-hop-address'] = route['nexthop']
|
||||
|
||||
new['next-hop'] = next_hop
|
||||
|
||||
out['route'].append(new)
|
||||
|
||||
insert(routes, 'routes', out)
|
||||
|
||||
|
||||
def operational():
|
||||
out = {
|
||||
"ietf-routing:routing": {
|
||||
"ribs": {
|
||||
"rib": [{
|
||||
"name": "ipv4",
|
||||
"address-family": "ipv4"
|
||||
}, {
|
||||
"name": "ipv6",
|
||||
"address-family": "ipv6"
|
||||
}]
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
ipv4routes = out['ietf-routing:routing']['ribs']['rib'][0]
|
||||
ipv6routes = out['ietf-routing:routing']['ribs']['rib'][1]
|
||||
add_protocol(ipv4routes, "ipv4")
|
||||
add_protocol(ipv6routes, "ipv6")
|
||||
|
||||
return out
|
||||
@@ -6,7 +6,6 @@ import json
|
||||
import sys # (built-in module)
|
||||
import os
|
||||
import argparse
|
||||
from re import match
|
||||
from datetime import datetime, timedelta, timezone
|
||||
|
||||
from . import common
|
||||
@@ -20,29 +19,6 @@ def datetime_now():
|
||||
return datetime(2023, 1, 1, 12, 0, 0, tzinfo=timezone.utc)
|
||||
return datetime.now(timezone.utc)
|
||||
|
||||
def get_proc_value(procfile):
|
||||
"""Return contents of /proc file, or None"""
|
||||
try:
|
||||
with open(procfile, 'r') as file:
|
||||
data = file.read().strip()
|
||||
return data
|
||||
except FileNotFoundError:
|
||||
# This is considered OK
|
||||
return None
|
||||
except IOError:
|
||||
logger.error(f"failed reading from {procfile}")
|
||||
|
||||
|
||||
def lookup(obj, *keys):
|
||||
"""This function returns a value from a nested json object"""
|
||||
curr = obj
|
||||
for key in keys:
|
||||
if isinstance(curr, dict) and key in curr:
|
||||
curr = curr[key]
|
||||
else:
|
||||
return None
|
||||
return curr
|
||||
|
||||
|
||||
def insert(obj, *path_and_value):
|
||||
""""This function inserts a value into a nested json object"""
|
||||
@@ -72,7 +48,7 @@ def run_cmd(cmd, testfile, default=None, check=True):
|
||||
output = result.stdout
|
||||
return output.splitlines()
|
||||
except subprocess.CalledProcessError as err:
|
||||
logger.error(f"{err}")
|
||||
common.LOG.error(f"{err}")
|
||||
if default is not None:
|
||||
return default
|
||||
raise
|
||||
@@ -90,713 +66,19 @@ def run_json_cmd(cmd, testfile, default=None, check=True):
|
||||
output = result.stdout
|
||||
data = json.loads(output)
|
||||
except subprocess.CalledProcessError as err:
|
||||
logger.error(f"{err}")
|
||||
common.LOG.error(f"{err}")
|
||||
if default is not None:
|
||||
return default
|
||||
raise
|
||||
except json.JSONDecodeError as err:
|
||||
if check is True:
|
||||
logger.error("failed parsing JSON output of command: "
|
||||
common.LOG.error("failed parsing JSON output of command: "
|
||||
f"{' '.join(cmd)}, error: {err}")
|
||||
if default is not None:
|
||||
return default
|
||||
raise
|
||||
return data
|
||||
|
||||
def json_get_yang_type(iface_in):
|
||||
if iface_in['link_type'] == "loopback":
|
||||
return "infix-if-type:loopback"
|
||||
|
||||
if iface_in['link_type'] in ("gre", "gre6"):
|
||||
return "infix-if-type:gre"
|
||||
|
||||
if iface_in['link_type'] != "ether":
|
||||
return "infix-if-type:other"
|
||||
|
||||
if 'parentbus' in iface_in and iface_in['parentbus'] == "virtio":
|
||||
return "infix-if-type:etherlike"
|
||||
|
||||
if 'linkinfo' not in iface_in:
|
||||
return "infix-if-type:ethernet"
|
||||
|
||||
if 'info_kind' not in iface_in['linkinfo']:
|
||||
return "infix-if-type:ethernet"
|
||||
|
||||
if iface_in['linkinfo']['info_kind'] == "veth":
|
||||
return "infix-if-type:veth"
|
||||
|
||||
if iface_in['linkinfo']['info_kind'] in ("gretap", "ip6gretap"):
|
||||
return "infix-if-type:gretap"
|
||||
|
||||
if iface_in['linkinfo']['info_kind'] == "vlan":
|
||||
return "infix-if-type:vlan"
|
||||
|
||||
if iface_in['linkinfo']['info_kind'] == "bridge":
|
||||
return "infix-if-type:bridge"
|
||||
|
||||
if iface_in['linkinfo']['info_kind'] == "dsa":
|
||||
return "infix-if-type:ethernet"
|
||||
|
||||
if iface_in['linkinfo']['info_kind'] == "dummy":
|
||||
return "infix-if-type:dummy"
|
||||
|
||||
# Fallback
|
||||
return "infix-if-type:ethernet"
|
||||
|
||||
|
||||
def json_get_yang_origin(addr):
|
||||
"""Translate kernel IP address origin to YANG"""
|
||||
xlate = {
|
||||
"kernel_ll": "link-layer",
|
||||
"kernel_ra": "link-layer",
|
||||
"static": "static",
|
||||
"dhcp": "dhcp",
|
||||
"random": "random",
|
||||
}
|
||||
proto = addr['protocol']
|
||||
|
||||
if proto in ("kernel_ll", "kernel_ra"):
|
||||
if "stable-privacy" in addr:
|
||||
return "random"
|
||||
|
||||
return xlate.get(proto, "other")
|
||||
|
||||
|
||||
|
||||
|
||||
def iface_is_dsa(iface_in):
|
||||
"""Check if interface is a DSA/intra-switch port"""
|
||||
if "linkinfo" not in iface_in:
|
||||
return False
|
||||
if "info_kind" not in iface_in['linkinfo']:
|
||||
return False
|
||||
if iface_in['linkinfo']['info_kind'] != "dsa":
|
||||
return False
|
||||
return True
|
||||
|
||||
|
||||
def uptime2datetime(uptime):
|
||||
"""
|
||||
Convert uptime to YANG format (YYYY-MM-DDTHH:MM:SS+00:00)
|
||||
|
||||
Handles the following input formats (frrtime):
|
||||
HH:MM:SS
|
||||
XdXXhXXm
|
||||
XXwXdXXh
|
||||
"""
|
||||
h = m = s = 0
|
||||
|
||||
# Format HH:MM:SS
|
||||
if match(r'^\d{2}:\d{2}:\d{2}$', uptime):
|
||||
h, m, s = map(int, uptime.split(':'))
|
||||
|
||||
# Format XdXXhXXm (days, hours, minutes)
|
||||
elif match(r'^\d+d\d{2}h\d{2}m$', uptime):
|
||||
days = int(uptime.split('d')[0])
|
||||
h = int(uptime.split('d')[1].split('h')[0])
|
||||
m = int(uptime.split('h')[1].split('m')[0])
|
||||
h += days * 24
|
||||
|
||||
# Format XwXdXXh (weeks, days, hours)
|
||||
elif match(r'^\d{2}w\d{1}d\d{2}h$', uptime):
|
||||
weeks = int(uptime.split('w')[0])
|
||||
days = int(uptime.split('w')[1].split('d')[0])
|
||||
h = int(uptime.split('d')[1].split('h')[0])
|
||||
h += weeks * 7 * 24
|
||||
h += days * 24
|
||||
|
||||
uptime_delta = timedelta(hours=h, minutes=m, seconds=s)
|
||||
current_time = datetime_now()
|
||||
last_updated = current_time - uptime_delta
|
||||
date_timestd = last_updated.strftime('%Y-%m-%dT%H:%M:%S%z')
|
||||
|
||||
return date_timestd[:-2] + ':' + date_timestd[-2:]
|
||||
|
||||
|
||||
def get_routes(routes, proto, data):
|
||||
"""Populate routes from vtysh JSON output"""
|
||||
|
||||
# Mapping of FRR protocol names to IETF routing-protocol
|
||||
pmap = {
|
||||
'kernel': 'infix-routing:kernel',
|
||||
'connected': 'direct',
|
||||
'static': 'static',
|
||||
'ospf': 'ietf-ospf:ospfv2',
|
||||
'ospf6': 'ietf-ospf:ospfv3',
|
||||
}
|
||||
|
||||
out = {}
|
||||
out["route"] = []
|
||||
|
||||
if proto == "ipv4":
|
||||
default = "0.0.0.0/0"
|
||||
host_prefix_length = "32"
|
||||
else:
|
||||
default = "::/0"
|
||||
host_prefix_length = "128"
|
||||
|
||||
for prefix, entries in data.items():
|
||||
for route in entries:
|
||||
new = {}
|
||||
dst = route.get('prefix', default)
|
||||
if '/' not in dst:
|
||||
dst = f"{dst}/{route.get('prefixLen', host_prefix_length)}"
|
||||
|
||||
new[f'ietf-{proto}-unicast-routing:destination-prefix'] = dst
|
||||
frr = route.get('protocol', 'infix-routing:kernel')
|
||||
new['source-protocol'] = pmap.get(frr, 'infix-routing:kernel')
|
||||
new['route-preference'] = route.get('distance', 0)
|
||||
|
||||
# Metric only available in the model for OSPF routes
|
||||
if 'ospf' in frr:
|
||||
new['ietf-ospf:metric'] = route.get('metric', 0)
|
||||
|
||||
# See https://datatracker.ietf.org/doc/html/rfc7951#section-6.9
|
||||
# for details on how presence leaves are encoded in JSON: [null]
|
||||
if route.get('selected', False):
|
||||
new['active'] = [None]
|
||||
|
||||
new['last-updated'] = uptime2datetime(route.get('uptime', 0))
|
||||
installed = route.get('installed', False)
|
||||
|
||||
next_hops = []
|
||||
for hop in route.get('nexthops', []):
|
||||
next_hop = {}
|
||||
if hop.get('ip'):
|
||||
next_hop[f'ietf-{proto}-unicast-routing:address'] = hop['ip']
|
||||
elif hop.get('interfaceName'):
|
||||
next_hop['outgoing-interface'] = hop['interfaceName']
|
||||
# See zebra/zebra_vty.c:re_status_outpupt_char()
|
||||
if installed and hop.get('fib', False):
|
||||
next_hop['infix-routing:installed'] = [None]
|
||||
next_hops.append(next_hop)
|
||||
|
||||
if next_hops:
|
||||
new['next-hop'] = {'next-hop-list': {'next-hop': next_hops}}
|
||||
else:
|
||||
next_hop = {}
|
||||
protocol = route.get('protocol', 'unicast')
|
||||
if protocol == "blackhole":
|
||||
next_hop['special-next-hop'] = "blackhole"
|
||||
elif protocol == "unreachable":
|
||||
next_hop['special-next-hop'] = "unreachable"
|
||||
else:
|
||||
if route.get('interfaceName'):
|
||||
next_hop['outgoing-interface'] = route['interfaceName']
|
||||
if route.get('nexthop'):
|
||||
next_hop[f'ietf-{proto}-unicast-routing:next-hop-address'] = route['nexthop']
|
||||
|
||||
new['next-hop'] = next_hop
|
||||
|
||||
out['route'].append(new)
|
||||
|
||||
insert(routes, 'routes', out)
|
||||
|
||||
|
||||
def add_ipv4_route(routes):
|
||||
"""Fetch IPv4 routes from kernel and populate tree"""
|
||||
data = run_json_cmd(['sudo', 'vtysh', '-c', "show ip route json"],
|
||||
"vtysh-ip4-route.json", check=False, default={})
|
||||
get_routes(routes, "ipv4", data)
|
||||
|
||||
|
||||
def add_ipv6_route(routes):
|
||||
"""Fetch IPv6 routes from kernel and populate tree"""
|
||||
data = run_json_cmd(['sudo', 'vtysh', '-c', "show ipv6 route json"],
|
||||
"vtysh-ip6-route.json", check=False, default={})
|
||||
get_routes(routes, "ipv6", data)
|
||||
|
||||
|
||||
def get_bridge_port_pvid(ifname):
|
||||
data = run_json_cmd(['bridge', '-j', 'vlan', 'show', 'dev', ifname],
|
||||
f"bridge-vlan-show-dev-{ifname}.json")
|
||||
if len(data) != 1:
|
||||
return None
|
||||
|
||||
iface = data[0]
|
||||
|
||||
for vlan in iface['vlans']:
|
||||
if 'flags' in vlan and 'PVID' in vlan['flags']:
|
||||
return vlan['vlan']
|
||||
|
||||
return None
|
||||
|
||||
|
||||
def get_bridge_port_stp_state(ifname):
|
||||
data = run_json_cmd(['bridge', '-j', 'link', 'show', 'dev', ifname],
|
||||
f"bridge-link-show-dev-{ifname}.json")
|
||||
if len(data) != 1:
|
||||
return None
|
||||
|
||||
iface = data[0]
|
||||
|
||||
states = ['disabled', 'listening', 'learning', 'forwarding', 'blocking']
|
||||
if 'state' in iface and iface['state'] in states:
|
||||
return iface['state']
|
||||
|
||||
return None
|
||||
|
||||
|
||||
def get_brport_multicast(ifname):
|
||||
"""Check if multicast snooping is enabled on bridge, default: nope"""
|
||||
data = run_json_cmd(['mctl', 'show', 'igmp', 'json'], "igmp-status.json",
|
||||
default={}, check=False)
|
||||
multicast = {}
|
||||
|
||||
if ifname in data.get('fast-leave-ports', []):
|
||||
multicast["fast-leave"] = True
|
||||
else:
|
||||
multicast["fast-leave"] = False
|
||||
|
||||
if ifname in data.get('multicast-router-ports', []):
|
||||
multicast["router"] = "permanent"
|
||||
else:
|
||||
multicast["router"] = "auto"
|
||||
|
||||
return multicast
|
||||
|
||||
|
||||
# We always get all interfaces for two reasons.
|
||||
# 1) To increase speed on large iron with many ports.
|
||||
# 2) To simplify testing (single dummy file ip-link-show.json).
|
||||
def get_ip_link():
|
||||
"""Fetch interface link information from kernel"""
|
||||
return run_json_cmd(['ip', '-s', '-d', '-j', 'link', 'show'],
|
||||
"ip-link-show.json")
|
||||
|
||||
def netns_get_ip_link(netns):
|
||||
"""Fetch interface link information from within a network namespace"""
|
||||
return run_json_cmd(['ip', 'netns', 'exec', netns, 'ip', '-s', '-d', '-j', 'link', 'show'],
|
||||
f"netns-{netns}-ip-link-show.json")
|
||||
|
||||
def get_ip_addr():
|
||||
"""Fetch interface address information from kernel"""
|
||||
return run_json_cmd(['ip', '-j', 'addr', 'show'],
|
||||
"ip-addr-show.json")
|
||||
|
||||
def netns_get_ip_addr(netns):
|
||||
"""Fetch interface address information from within a network namespace"""
|
||||
return run_json_cmd(['ip', 'netns', 'exec', netns, 'ip', '-j', 'addr', 'show'],
|
||||
f"netns-{netns}-ip-addr-show.json")
|
||||
|
||||
def get_netns_list():
|
||||
"""Fetch a list of network namespaces"""
|
||||
return run_json_cmd(['ip', '-j', 'netns', 'list'],
|
||||
"netns-list.json")
|
||||
|
||||
def netns_find_ifname(ifname):
|
||||
"""Find which network namespace owns ifname (if any)"""
|
||||
for netns in get_netns_list():
|
||||
for iface in netns_get_ip_link(netns['name']):
|
||||
if 'ifalias' in iface and iface['ifalias'] == ifname:
|
||||
return netns['name']
|
||||
return None
|
||||
|
||||
def netns_ifindex_to_ifname(ifindex):
|
||||
"""Look through all network namespaces for an interface index and return its name"""
|
||||
for netns in get_netns_list():
|
||||
for iface in netns_get_ip_link(netns['name']):
|
||||
if iface['ifindex'] == ifindex:
|
||||
if 'ifalias' in iface:
|
||||
return iface['ifalias']
|
||||
if 'ifname' in iface:
|
||||
return iface['ifname']
|
||||
return None
|
||||
|
||||
return None
|
||||
|
||||
def add_bridge_port_common(ifname, iface_in, iface_out):
|
||||
li = iface_in.get("linkinfo", {})
|
||||
if not (li.get("info_slave_kind") == "bridge" or \
|
||||
li.get("info_kind") == "bridge"):
|
||||
return
|
||||
|
||||
pvid = get_bridge_port_pvid(ifname)
|
||||
if pvid is not None:
|
||||
insert(iface_out, "infix-interfaces:bridge-port", "pvid", pvid)
|
||||
|
||||
def add_bridge_port_lower(ifname, iface_in, iface_out):
|
||||
li = iface_in.get("linkinfo", {})
|
||||
if not li.get("info_slave_kind") == "bridge":
|
||||
return
|
||||
|
||||
insert(iface_out, "infix-interfaces:bridge-port", "bridge", iface_in['master'])
|
||||
|
||||
stp_state = get_bridge_port_stp_state(ifname)
|
||||
if stp_state is not None:
|
||||
insert(iface_out, "infix-interfaces:bridge-port", "stp-state", stp_state)
|
||||
|
||||
multicast = get_brport_multicast(ifname)
|
||||
insert(iface_out, "infix-interfaces:bridge-port", "multicast", multicast)
|
||||
|
||||
|
||||
def add_gre(iface_in, iface_out):
|
||||
if 'link_type' in iface_in:
|
||||
val = json_get_yang_type(iface_in)
|
||||
if val != "infix-if-type:gre" and val != "infix-if-type:gretap":
|
||||
return;
|
||||
gre={}
|
||||
info_data=iface_in.get("linkinfo", {}).get("info_data", {})
|
||||
gre["local"] = info_data.get("local")
|
||||
gre["remote"] = info_data.get("remote")
|
||||
insert(iface_out, "infix-interfaces:gre", gre)
|
||||
|
||||
|
||||
def add_ip_link(ifname, iface_in, iface_out):
|
||||
if 'ifname' in iface_in:
|
||||
iface_out['name'] = ifname
|
||||
|
||||
if 'ifindex' in iface_in:
|
||||
iface_out['if-index'] = iface_in['ifindex']
|
||||
|
||||
if 'ifalias' in iface_in:
|
||||
iface_out['description'] = iface_in['ifalias']
|
||||
|
||||
if 'address' in iface_in and not "POINTOPOINT" in iface_in["flags"]:
|
||||
iface_out['phys-address'] = iface_in['address']
|
||||
|
||||
add_bridge_port_common(ifname, iface_in, iface_out)
|
||||
add_bridge_port_lower(ifname, iface_in, iface_out)
|
||||
|
||||
if not iface_is_dsa(iface_in):
|
||||
if iface_in.get('link'):
|
||||
insert(iface_out, "infix-interfaces:vlan", "lower-layer-if", iface_in['link'])
|
||||
elif 'link_index' in iface_in:
|
||||
# 'link_index' is the only reference we have if the link iface is in a namespace
|
||||
lower = netns_ifindex_to_ifname(iface_in['link_index'])
|
||||
if lower:
|
||||
insert(iface_out, "infix-interfaces:vlan", "lower-layer-if", lower)
|
||||
|
||||
if 'flags' in iface_in:
|
||||
iface_out['admin-status'] = "up" if "UP" in iface_in['flags'] else "down"
|
||||
|
||||
if 'operstate' in iface_in:
|
||||
xlate = {
|
||||
"DOWN": "down",
|
||||
"UP": "up",
|
||||
"DORMANT": "dormant",
|
||||
"TESTING": "testing",
|
||||
"LOWERLAYERDOWN": "lower-layer-down",
|
||||
"NOTPRESENT": "not-present"
|
||||
}
|
||||
val = xlate.get(iface_in['operstate'], "unknown")
|
||||
iface_out['oper-status'] = val
|
||||
|
||||
if 'link_type' in iface_in:
|
||||
val = json_get_yang_type(iface_in)
|
||||
iface_out['type'] = val
|
||||
add_gre(iface_in, iface_out)
|
||||
|
||||
val = lookup(iface_in, "stats64", "rx", "bytes")
|
||||
if val is not None:
|
||||
insert(iface_out, "statistics", "out-octets", str(val))
|
||||
|
||||
val = lookup(iface_in, "stats64", "tx", "bytes")
|
||||
if val is not None:
|
||||
insert(iface_out, "statistics", "in-octets", str(val))
|
||||
|
||||
|
||||
def add_ip_addr(ifname, iface_in, iface_out):
|
||||
if 'mtu' in iface_in and ifname != "lo":
|
||||
insert(iface_out, "ietf-ip:ipv4", "mtu", iface_in['mtu'])
|
||||
|
||||
# We avoid importing os to check if the file exists (for performance)
|
||||
val = get_proc_value(f"/proc/sys/net/ipv6/conf/{ifname}/mtu")
|
||||
if val is not None:
|
||||
insert(iface_out, "ietf-ip:ipv6", "mtu", int(val))
|
||||
|
||||
if 'addr_info' in iface_in:
|
||||
inet = []
|
||||
inet6 = []
|
||||
|
||||
for addr in iface_in['addr_info']:
|
||||
new = {}
|
||||
|
||||
if 'family' not in addr:
|
||||
logger.error("'family' missing from 'addr_info'")
|
||||
continue
|
||||
|
||||
if 'local' in addr:
|
||||
new['ip'] = addr['local']
|
||||
if 'prefixlen' in addr:
|
||||
new['prefix-length'] = addr['prefixlen']
|
||||
if 'protocol' in addr:
|
||||
new['origin'] = json_get_yang_origin(addr)
|
||||
|
||||
if addr['family'] == "inet":
|
||||
inet.append(new)
|
||||
elif addr['family'] == "inet6":
|
||||
inet6.append(new)
|
||||
else:
|
||||
logger.error("invalid 'family' in 'addr_info'")
|
||||
sys.exit(1)
|
||||
|
||||
insert(iface_out, "ietf-ip:ipv4", "address", inet)
|
||||
insert(iface_out, "ietf-ip:ipv6", "address", inet6)
|
||||
|
||||
|
||||
def add_ethtool_groups(ifname, iface_out):
|
||||
"""Fetch interface counters from kernel (need new JSON format!)"""
|
||||
cmd = ['ethtool', '--json', '-S', ifname, '--all-groups']
|
||||
try:
|
||||
data = run_json_cmd(cmd, f"ethtool-groups-{ifname}.json")
|
||||
if len(data) != 1:
|
||||
logger.warning("%s: no counters available, skipping.", ifname)
|
||||
return
|
||||
except subprocess.CalledProcessError:
|
||||
# Allow comand to fail, not all NICs support --json yet
|
||||
return
|
||||
|
||||
iface_in = data[0]
|
||||
|
||||
# TODO: room for improvement, the "frame" creation could be more dynamic.
|
||||
if "eth-mac" in iface_in or "rmon" in iface_in:
|
||||
insert(iface_out, "ieee802-ethernet-interface:ethernet", "statistics", "frame", {})
|
||||
frame = iface_out['ieee802-ethernet-interface:ethernet']['statistics']['frame']
|
||||
|
||||
if "eth-mac" in iface_in:
|
||||
mac_in = iface_in['eth-mac']
|
||||
|
||||
if "FramesTransmittedOK" in mac_in:
|
||||
frame['out-frames'] = str(mac_in['FramesTransmittedOK'])
|
||||
if "MulticastFramesXmittedOK" in mac_in:
|
||||
frame['out-multicast-frames'] = str(mac_in['MulticastFramesXmittedOK'])
|
||||
if "BroadcastFramesXmittedOK" in mac_in:
|
||||
frame['out-broadcast-frames'] = str(mac_in['BroadcastFramesXmittedOK'])
|
||||
if "FramesReceivedOK" in mac_in:
|
||||
frame['in-frames'] = str(mac_in['FramesReceivedOK'])
|
||||
if "MulticastFramesReceivedOK" in mac_in:
|
||||
frame['in-multicast-frames'] = str(mac_in['MulticastFramesReceivedOK'])
|
||||
if "BroadcastFramesReceivedOK" in mac_in:
|
||||
frame['in-broadcast-frames'] = str(mac_in['BroadcastFramesReceivedOK'])
|
||||
if "FrameCheckSequenceErrors" in mac_in:
|
||||
frame['in-error-fcs-frames'] = str(mac_in['FrameCheckSequenceErrors'])
|
||||
if "FramesLostDueToIntMACRcvError" in mac_in:
|
||||
frame['in-error-mac-internal-frames'] = str(mac_in['FramesLostDueToIntMACRcvError'])
|
||||
|
||||
if "OctetsTransmittedOK" in mac_in:
|
||||
frame['infix-ethernet-interface:out-good-octets'] = str(mac_in['OctetsTransmittedOK'])
|
||||
if "OctetsReceivedOK" in mac_in:
|
||||
frame['infix-ethernet-interface:in-good-octets'] = str(mac_in['OctetsReceivedOK'])
|
||||
|
||||
tot = 0
|
||||
found = False
|
||||
if "FramesReceivedOK" in mac_in:
|
||||
tot += mac_in['FramesReceivedOK']
|
||||
found = True
|
||||
if "FrameCheckSequenceErrors" in mac_in:
|
||||
tot += mac_in['FrameCheckSequenceErrors']
|
||||
found = True
|
||||
if "FramesLostDueToIntMACRcvError" in mac_in:
|
||||
tot += mac_in['FramesLostDueToIntMACRcvError']
|
||||
found = True
|
||||
if "AlignmentErrors" in mac_in:
|
||||
tot += mac_in['AlignmentErrors']
|
||||
found = True
|
||||
if "etherStatsOversizePkts" in mac_in:
|
||||
tot += mac_in['etherStatsOversizePkts']
|
||||
found = True
|
||||
if "etherStatsJabbers" in mac_in:
|
||||
tot += mac_in['etherStatsJabbers']
|
||||
found = True
|
||||
if found:
|
||||
frame['in-total-frames'] = str(tot)
|
||||
|
||||
if "rmon" in iface_in:
|
||||
rmon_in = iface_in['rmon']
|
||||
|
||||
if "undersize_pkts" in rmon_in:
|
||||
frame['in-error-undersize-frames'] = str(rmon_in['undersize_pkts'])
|
||||
|
||||
tot = 0
|
||||
found = False
|
||||
if "etherStatsJabbers" in rmon_in:
|
||||
tot += rmon_in['etherStatsJabbers']
|
||||
found = True
|
||||
if "etherStatsOversizePkts" in rmon_in:
|
||||
tot += rmon_in['etherStatsOversizePkts']
|
||||
found = True
|
||||
if found:
|
||||
frame['in-error-oversize-frames'] = str(tot)
|
||||
|
||||
def add_ethtool_std(ifname, iface_out):
|
||||
"""Fetch interface speed/duplex/autoneg from kernel"""
|
||||
keys = ['Speed', 'Duplex', 'Auto-negotiation']
|
||||
result = {}
|
||||
|
||||
lines = run_cmd(['ethtool', ifname], f"ethtool-{ifname}.txt")
|
||||
for line in lines:
|
||||
line = line.strip()
|
||||
key = line.split(':', 1)[0].strip()
|
||||
if key in keys:
|
||||
key, value = line.split(':', 1)
|
||||
result[key.strip()] = value.strip()
|
||||
|
||||
if "Auto-negotiation" in result:
|
||||
if result['Auto-negotiation'] == "on":
|
||||
insert(iface_out, "ieee802-ethernet-interface:ethernet", "auto-negotiation", "enable", True)
|
||||
else:
|
||||
insert(iface_out, "ieee802-ethernet-interface:ethernet", "auto-negotiation", "enable", False)
|
||||
|
||||
if "Duplex" in result:
|
||||
if result['Duplex'] == "Half":
|
||||
insert(iface_out, "ieee802-ethernet-interface:ethernet", "duplex", "half")
|
||||
elif result['Duplex'] == "Full":
|
||||
insert(iface_out, "ieee802-ethernet-interface:ethernet", "duplex", "full")
|
||||
else:
|
||||
insert(iface_out, "ieee802-ethernet-interface:ethernet", "duplex", "unknown")
|
||||
|
||||
if "Speed" in result and result['Speed'] != "Unknown!":
|
||||
# Avoid importing re (performance)
|
||||
num = ''.join(filter(str.isdigit, result['Speed']))
|
||||
if num:
|
||||
num = round((int(num) / 1000), 3)
|
||||
insert(iface_out, "ieee802-ethernet-interface:ethernet", "speed", str(num))
|
||||
|
||||
def get_querier_data(querier_data):
|
||||
multicast={}
|
||||
|
||||
if not querier_data:
|
||||
multicast["snooping"] = False
|
||||
return multicast
|
||||
multicast["snooping"] = True
|
||||
if(querier_data.get("query-interval")):
|
||||
multicast["query-interval"] = querier_data["query-interval"]
|
||||
|
||||
return multicast
|
||||
|
||||
def get_multicast_filters(filters):
|
||||
multicast_filters=[]
|
||||
for f in filters:
|
||||
multicast_filter={}
|
||||
multicast_filter["group"] = f["group"]
|
||||
multicast_filter["ports"] = []
|
||||
for p in f["ports"]:
|
||||
port={}
|
||||
port["port"] = p
|
||||
multicast_filter["ports"].append(port)
|
||||
multicast_filters.append(multicast_filter)
|
||||
return multicast_filters
|
||||
|
||||
def add_mdb_to_bridge(brname, iface_out, mc_status):
|
||||
filters = [entry for entry in mc_status.get("multicast-groups", []) if entry.get('vid') == None and entry.get('bridge') == brname]
|
||||
querier = next((querier for querier in mc_status.get('multicast-queriers', []) if (querier.get("interface", "") == brname) and (querier.get("vid") is None)), None)
|
||||
multicast = get_querier_data(querier)
|
||||
multicast_filters = get_multicast_filters(filters)
|
||||
insert(iface_out, "infix-interfaces:bridge", "multicast", multicast)
|
||||
insert(iface_out, "infix-interfaces:bridge", "multicast-filters", "multicast-filter", multicast_filters)
|
||||
|
||||
def add_container_ifaces(yang_ifaces):
|
||||
"""Add all podman interfaces with limited data"""
|
||||
interfaces={}
|
||||
try:
|
||||
containers = run_json_cmd(['podman', 'ps', '--format', 'json'], "podman-ps.json", default=[])
|
||||
except Exception as e:
|
||||
logging.error(f"Error, unable to run podman: {e}")
|
||||
return
|
||||
|
||||
for container in containers:
|
||||
name = container.get('Names', ['Unknown'])[0]
|
||||
networks = container.get('Networks', [])
|
||||
|
||||
for network in networks:
|
||||
if not network in interfaces:
|
||||
interfaces[network] = []
|
||||
if name not in interfaces[network]:
|
||||
interfaces[network].append(name)
|
||||
|
||||
for ifname, containers in interfaces.items():
|
||||
iface_out = {}
|
||||
iface_out['name'] = ifname
|
||||
iface_out['type'] = "infix-if-type:other" # Fallback
|
||||
insert(iface_out, "infix-interfaces:container-network", "containers", containers)
|
||||
|
||||
netns = netns_find_ifname(ifname)
|
||||
if netns is not None:
|
||||
ip_link_data = netns_get_ip_link(netns)
|
||||
ip_link_data = next((d for d in ip_link_data if d.get('ifalias') == ifname), None)
|
||||
add_ip_link(ifname, ip_link_data, iface_out)
|
||||
|
||||
yang_ifaces.append(iface_out)
|
||||
|
||||
# Helper function to add tagged/untagged interfaces to a vlan dict in a list
|
||||
def _add_vlan_iface(vlans, multicast_filter, multicast, vid, key, val):
|
||||
for d in vlans:
|
||||
if d['vid'] == vid:
|
||||
if key in d:
|
||||
d[key].append(val)
|
||||
else:
|
||||
d[key] = [val]
|
||||
return
|
||||
|
||||
vlans.append({'vid': vid, "multicast-filters": {"multicast-filter": multicast_filter}, "multicast": multicast, key: [val]})
|
||||
|
||||
def add_vlans_to_bridge(brname, iface_out, mc_status):
|
||||
slaves = [] # Contains all interfaces that has this bridge as 'master'
|
||||
for iface in run_json_cmd(['bridge', '-j', 'link'], "bridge-link.json"):
|
||||
if "master" in iface and iface['master'] == brname:
|
||||
slaves.append(iface['ifname'])
|
||||
|
||||
vlans = [] # Contains all vlans and slaves belonging to this bridge
|
||||
for iface in run_json_cmd(['bridge', '-j', 'vlan'], "bridge-vlan.json"):
|
||||
if iface['ifname'] not in slaves and iface['ifname'] != brname:
|
||||
continue
|
||||
for vlan in iface['vlans']:
|
||||
querier = next((querier for querier in mc_status.get('multicast-queriers', []) if (querier.get("vid") == vlan['vlan'])), None)
|
||||
filters = [entry for entry in mc_status.get("multicast-groups", []) if (entry.get("vid") == vlan["vlan"])]
|
||||
if 'flags' in vlan and 'Egress Untagged' in vlan['flags']:
|
||||
_add_vlan_iface(vlans, get_multicast_filters(filters), get_querier_data(querier), vlan['vlan'], 'untagged', iface['ifname'])
|
||||
else:
|
||||
_add_vlan_iface(vlans, get_multicast_filters(filters), get_querier_data(querier), vlan['vlan'], 'tagged', iface['ifname'])
|
||||
|
||||
insert(iface_out, "infix-interfaces:bridge", "vlans", "vlan", vlans)
|
||||
|
||||
def get_iface_data(ifname, ip_link_data, ip_addr_data):
|
||||
iface_out = {}
|
||||
|
||||
add_ip_link(ifname, ip_link_data, iface_out)
|
||||
add_ip_addr(ifname, ip_addr_data, iface_out)
|
||||
|
||||
if 'type' in iface_out and iface_out['type'] == "infix-if-type:ethernet":
|
||||
add_ethtool_groups(ifname, iface_out)
|
||||
add_ethtool_std(ifname, iface_out)
|
||||
|
||||
if 'type' in iface_out and iface_out['type'] == "infix-if-type:bridge":
|
||||
# Fail silent, multicast snooping may not be enabled on bridge
|
||||
mc_status = run_json_cmd(['mctl', '-p', 'show', 'igmp', 'json'],
|
||||
"igmp-status.json", default={},
|
||||
check=False)
|
||||
|
||||
add_vlans_to_bridge(ifname, iface_out, mc_status)
|
||||
add_mdb_to_bridge(ifname, iface_out, mc_status)
|
||||
|
||||
return iface_out
|
||||
|
||||
def _add_interface(ifname, ip_link_data, ip_addr_data, yang_ifaces):
|
||||
# We expect both ip addr and link data to exist.
|
||||
if not ip_link_data or not ip_addr_data:
|
||||
return
|
||||
|
||||
# Skip internal interfaces.
|
||||
if 'group' in ip_link_data and ip_link_data['group'] == "internal":
|
||||
return
|
||||
|
||||
yang_ifaces.append(get_iface_data(ifname, ip_link_data, ip_addr_data))
|
||||
|
||||
def add_interface(ifname, yang_ifaces):
|
||||
ip_link_data = get_ip_link()
|
||||
ip_addr_data = get_ip_addr()
|
||||
|
||||
if ifname:
|
||||
ip_link_data = next((d for d in ip_link_data if d.get('ifname') == ifname), None)
|
||||
ip_addr_data = next((d for d in ip_addr_data if d.get('ifname') == ifname), None)
|
||||
_add_interface(ifname, ip_link_data, ip_addr_data, yang_ifaces)
|
||||
else:
|
||||
for link in ip_link_data:
|
||||
addr = next((d for d in ip_addr_data if d.get('ifname') == link["ifname"]), None)
|
||||
_add_interface(link["ifname"], link, addr, yang_ifaces)
|
||||
|
||||
add_container_ifaces(yang_ifaces)
|
||||
|
||||
def main():
|
||||
global TESTPATH
|
||||
@@ -810,7 +92,7 @@ def main():
|
||||
|
||||
|
||||
# Set up syslog output for critical errors to aid debugging
|
||||
logger = logging.getLogger('yanger')
|
||||
common.LOG = logging.getLogger('yanger')
|
||||
if os.path.exists('/dev/log'):
|
||||
log = logging.handlers.SysLogHandler(address='/dev/log')
|
||||
else:
|
||||
@@ -819,9 +101,8 @@ def main():
|
||||
|
||||
fmt = logging.Formatter('%(name)s[%(process)d]: %(message)s')
|
||||
log.setFormatter(fmt)
|
||||
logger.setLevel(logging.INFO)
|
||||
logger.addHandler(log)
|
||||
common.LOG = logger
|
||||
common.LOG.setLevel(logging.INFO)
|
||||
common.LOG.addHandler(log)
|
||||
|
||||
if args.test:
|
||||
TESTPATH = args.test
|
||||
@@ -831,33 +112,11 @@ def main():
|
||||
host.HOST = host.Localhost()
|
||||
|
||||
if args.model == 'ietf-interfaces':
|
||||
yang_data = {
|
||||
"ietf-interfaces:interfaces": {
|
||||
"interface": []
|
||||
}
|
||||
}
|
||||
add_interface(args.param, yang_data['ietf-interfaces:interfaces']['interface'])
|
||||
|
||||
from . import ietf_interfaces
|
||||
yang_data = ietf_interfaces.operational(args.param)
|
||||
elif args.model == 'ietf-routing':
|
||||
yang_data = {
|
||||
"ietf-routing:routing": {
|
||||
"ribs": {
|
||||
"rib": [{
|
||||
"name": "ipv4",
|
||||
"address-family": "ipv4"
|
||||
}, {
|
||||
"name": "ipv6",
|
||||
"address-family": "ipv6"
|
||||
}]
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
ipv4routes = yang_data['ietf-routing:routing']['ribs']['rib'][0]
|
||||
ipv6routes = yang_data['ietf-routing:routing']['ribs']['rib'][1]
|
||||
add_ipv4_route(ipv4routes)
|
||||
add_ipv6_route(ipv6routes)
|
||||
|
||||
from . import ietf_routing
|
||||
yang_data = ietf_routing.operational()
|
||||
elif args.model == 'ietf-ospf':
|
||||
from . import ietf_ospf
|
||||
yang_data = ietf_ospf.operational()
|
||||
|
||||
Reference in New Issue
Block a user