diff options
-rw-r--r-- | cloudinit/netinfo.py | 40 | ||||
-rw-r--r-- | cloudinit/tests/test_netinfo.py | 47 | ||||
-rw-r--r-- | tests/data/netinfo/netdev-formatted-output-down | 8 | ||||
-rw-r--r-- | tests/data/netinfo/new-ifconfig-output-down | 15 | ||||
-rw-r--r-- | tests/data/netinfo/sample-ipaddrshow-output-down | 8 |
5 files changed, 107 insertions, 11 deletions
diff --git a/cloudinit/netinfo.py b/cloudinit/netinfo.py index f0906160..1be76fe7 100644 --- a/cloudinit/netinfo.py +++ b/cloudinit/netinfo.py @@ -158,12 +158,28 @@ def netdev_info(empty=""): LOG.warning( "Could not print networks: missing 'ip' and 'ifconfig' commands") - if empty != "": - for (_devname, dev) in devs.items(): - for field in dev: - if dev[field] == "": - dev[field] = empty + if empty == "": + return devs + + recurse_types = (dict, tuple, list) + + def fill(data, new_val="", empty_vals=("", b"")): + """Recursively replace 'empty_vals' in data (dict, tuple, list) + with new_val""" + if isinstance(data, dict): + myiter = data.items() + elif isinstance(data, (tuple, list)): + myiter = enumerate(data) + else: + raise TypeError("Unexpected input to fill") + + for key, val in myiter: + if val in empty_vals: + data[key] = new_val + elif isinstance(val, recurse_types): + fill(val, new_val) + fill(devs, new_val=empty) return devs @@ -353,8 +369,9 @@ def getgateway(): def netdev_pformat(): lines = [] + empty = "." try: - netdev = netdev_info(empty=".") + netdev = netdev_info(empty=empty) except Exception as e: lines.append( util.center( @@ -368,12 +385,15 @@ def netdev_pformat(): for (dev, data) in sorted(netdev.items()): for addr in data.get('ipv4'): tbl.add_row( - [dev, data["up"], addr["ip"], addr["mask"], - addr.get('scope', '.'), data["hwaddr"]]) + (dev, data["up"], addr["ip"], addr["mask"], + addr.get('scope', empty), data["hwaddr"])) for addr in data.get('ipv6'): tbl.add_row( - [dev, data["up"], addr["ip"], ".", addr["scope6"], - data["hwaddr"]]) + (dev, data["up"], addr["ip"], empty, addr["scope6"], + data["hwaddr"])) + if len(data.get('ipv6')) + len(data.get('ipv4')) == 0: + tbl.add_row((dev, data["up"], empty, empty, empty, + data["hwaddr"])) netdev_s = tbl.get_string() max_len = len(max(netdev_s.splitlines(), key=len)) header = util.center("Net device info", "+", max_len) diff --git a/cloudinit/tests/test_netinfo.py b/cloudinit/tests/test_netinfo.py index 2537c1c2..d76e768e 100644 --- a/cloudinit/tests/test_netinfo.py +++ b/cloudinit/tests/test_netinfo.py @@ -4,7 +4,7 @@ from copy import copy -from cloudinit.netinfo import netdev_pformat, route_pformat +from cloudinit.netinfo import netdev_info, netdev_pformat, route_pformat from cloudinit.tests.helpers import CiTestCase, mock, readResource @@ -73,6 +73,51 @@ class TestNetInfo(CiTestCase): @mock.patch('cloudinit.netinfo.util.which') @mock.patch('cloudinit.netinfo.util.subp') + def test_netdev_info_nettools_down(self, m_subp, m_which): + """test netdev_info using nettools and down interfaces.""" + m_subp.return_value = ( + readResource("netinfo/new-ifconfig-output-down"), "") + m_which.side_effect = lambda x: x if x == 'ifconfig' else None + self.assertEqual( + {'eth0': {'ipv4': [], 'ipv6': [], + 'hwaddr': '00:16:3e:de:51:a6', 'up': False}, + 'lo': {'ipv4': [{'ip': '127.0.0.1', 'mask': '255.0.0.0'}], + 'ipv6': [{'ip': '::1/128', 'scope6': 'host'}], + 'hwaddr': '.', 'up': True}}, + netdev_info(".")) + + @mock.patch('cloudinit.netinfo.util.which') + @mock.patch('cloudinit.netinfo.util.subp') + def test_netdev_info_iproute_down(self, m_subp, m_which): + """Test netdev_info with ip and down interfaces.""" + m_subp.return_value = ( + readResource("netinfo/sample-ipaddrshow-output-down"), "") + m_which.side_effect = lambda x: x if x == 'ip' else None + self.assertEqual( + {'lo': {'ipv4': [{'ip': '127.0.0.1', 'bcast': '.', + 'mask': '255.0.0.0', 'scope': 'host'}], + 'ipv6': [{'ip': '::1/128', 'scope6': 'host'}], + 'hwaddr': '.', 'up': True}, + 'eth0': {'ipv4': [], 'ipv6': [], + 'hwaddr': '00:16:3e:de:51:a6', 'up': False}}, + netdev_info(".")) + + @mock.patch('cloudinit.netinfo.netdev_info') + def test_netdev_pformat_with_down(self, m_netdev_info): + """test netdev_pformat when netdev_info returns 'down' interfaces.""" + m_netdev_info.return_value = ( + {'lo': {'ipv4': [{'ip': '127.0.0.1', 'mask': '255.0.0.0', + 'scope': 'host'}], + 'ipv6': [{'ip': '::1/128', 'scope6': 'host'}], + 'hwaddr': '.', 'up': True}, + 'eth0': {'ipv4': [], 'ipv6': [], + 'hwaddr': '00:16:3e:de:51:a6', 'up': False}}) + self.assertEqual( + readResource("netinfo/netdev-formatted-output-down"), + netdev_pformat()) + + @mock.patch('cloudinit.netinfo.util.which') + @mock.patch('cloudinit.netinfo.util.subp') def test_route_nettools_pformat(self, m_subp, m_which): """route_pformat properly rendering nettools route info.""" diff --git a/tests/data/netinfo/netdev-formatted-output-down b/tests/data/netinfo/netdev-formatted-output-down new file mode 100644 index 00000000..038dfb4d --- /dev/null +++ b/tests/data/netinfo/netdev-formatted-output-down @@ -0,0 +1,8 @@ ++++++++++++++++++++++++++++Net device info++++++++++++++++++++++++++++ ++--------+-------+-----------+-----------+-------+-------------------+ +| Device | Up | Address | Mask | Scope | Hw-Address | ++--------+-------+-----------+-----------+-------+-------------------+ +| eth0 | False | . | . | . | 00:16:3e:de:51:a6 | +| lo | True | 127.0.0.1 | 255.0.0.0 | host | . | +| lo | True | ::1/128 | . | host | . | ++--------+-------+-----------+-----------+-------+-------------------+ diff --git a/tests/data/netinfo/new-ifconfig-output-down b/tests/data/netinfo/new-ifconfig-output-down new file mode 100644 index 00000000..5d12e352 --- /dev/null +++ b/tests/data/netinfo/new-ifconfig-output-down @@ -0,0 +1,15 @@ +eth0: flags=4098<BROADCAST,MULTICAST> mtu 1500 + ether 00:16:3e:de:51:a6 txqueuelen 1000 (Ethernet) + RX packets 126229 bytes 158139342 (158.1 MB) + RX errors 0 dropped 0 overruns 0 frame 0 + TX packets 59317 bytes 4839008 (4.8 MB) + TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 + +lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536 + inet 127.0.0.1 netmask 255.0.0.0 + inet6 ::1 prefixlen 128 scopeid 0x10<host> + loop txqueuelen 1000 (Local Loopback) + RX packets 260 bytes 20092 (20.0 KB) + RX errors 0 dropped 0 overruns 0 frame 0 + TX packets 260 bytes 20092 (20.0 KB) + TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 diff --git a/tests/data/netinfo/sample-ipaddrshow-output-down b/tests/data/netinfo/sample-ipaddrshow-output-down new file mode 100644 index 00000000..cb516d64 --- /dev/null +++ b/tests/data/netinfo/sample-ipaddrshow-output-down @@ -0,0 +1,8 @@ +1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 + link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 + inet 127.0.0.1/8 scope host lo + valid_lft forever preferred_lft forever + inet6 ::1/128 scope host + valid_lft forever preferred_lft forever +44: eth0@if45: <BROADCAST,MULTICAST> mtu 1500 qdisc noqueue state DOWN group default qlen 1000 + link/ether 00:16:3e:de:51:a6 brd ff:ff:ff:ff:ff:ff link-netnsid 0 |