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-rw-r--r--cloudinit/netinfo.py93
1 files changed, 67 insertions, 26 deletions
diff --git a/cloudinit/netinfo.py b/cloudinit/netinfo.py
index 541d2911..a211788c 100644
--- a/cloudinit/netinfo.py
+++ b/cloudinit/netinfo.py
@@ -19,12 +19,11 @@
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
-import cloudinit.util as util
+import os
+import cloudinit.util as util
-class NetInfo(object):
- def __init__(self):
- pass
+from prettytable import PrettyTable
def netdev_info(empty=""):
@@ -71,47 +70,89 @@ def netdev_info(empty=""):
if dev[field] == "":
dev[field] = empty
- return(devs)
+ return devs
def route_info():
(route_out, _err) = util.subp(["route", "-n"])
routes = []
- for line in str(route_out).splitlines()[1:]:
+ entries = route_out.splitlines()[1:]
+ for line in entries:
if not line:
continue
toks = line.split()
if toks[0] == "Kernel" or toks[0] == "Destination":
continue
- routes.append(toks)
- return(routes)
+ entry = {
+ 'destination': toks[0],
+ 'gateway': toks[1],
+ 'genmask': toks[2],
+ 'flags': toks[3],
+ 'metric': toks[4],
+ 'ref': toks[5],
+ 'use': toks[6],
+ 'iface': toks[7],
+ }
+ routes.append(entry)
+ return routes
def getgateway():
- for r in route_info():
- if r[3].find("G") >= 0:
- return("%s[%s]" % (r[1], r[7]))
- return(None)
+ routes = []
+ try:
+ routes = route_info()
+ except:
+ pass
+ for r in routes:
+ if r['flags'].find("G") >= 0:
+ return "%s[%s]" % (r['gateway'], r['iface'])
+ return None
-def debug_info(pre="ci-info: "):
+def netdev_pformat():
lines = []
try:
netdev = netdev_info(empty=".")
except Exception:
- lines.append("netdev_info failed!")
- netdev = {}
- for (dev, d) in netdev.iteritems():
- lines.append("%s%-6s: %i %-15s %-15s %s" %
- (pre, dev, d["up"], d["addr"], d["mask"], d["hwaddr"]))
+ lines.append(util.center("Net device info failed", '!', 80))
+ netdev = None
+ if netdev is not None:
+ fields = ['Device', 'Up', 'Address', 'Mask', 'Hw-Address']
+ tbl = PrettyTable(fields)
+ for (dev, d) in netdev.iteritems():
+ tbl.add_row([dev, d["up"], d["addr"], d["mask"], d["hwaddr"]])
+ netdev_s = tbl.get_string()
+ max_len = len(max(netdev_s.splitlines(), key=len))
+ header = util.center("Net device info", "+", max_len)
+ lines.extend([header, netdev_s])
+ return os.linesep.join(lines)
+
+
+def route_pformat():
+ lines = []
try:
routes = route_info()
except Exception:
- lines.append("route_info failed")
- routes = []
- n = 0
- for r in routes:
- lines.append("%sroute-%d: %-15s %-15s %-15s %-6s %s" %
- (pre, n, r[0], r[1], r[2], r[7], r[3]))
- n = n + 1
- return('\n'.join(lines))
+ lines.append(util.center('Route info failed', '!', 80))
+ routes = None
+ if routes is not None:
+ fields = ['Route', 'Destination', 'Gateway',
+ 'Genmask', 'Interface', 'Flags']
+ tbl = PrettyTable(fields)
+ for n, r in enumerate(routes):
+ route_id = str(n)
+ tbl.add_row([str(n), r['destination'],
+ r['gateway'], r['genmask'],
+ r['iface'], r['flags']])
+ route_s = tbl.get_string()
+ max_len = len(max(route_s.splitlines(), key=len))
+ header = util.center("Route info", "+", max_len)
+ lines.extend([header, route_s])
+ return os.linesep.join(lines)
+
+
+def debug_info(pre=""):
+ lines = []
+ lines.append(netdev_pformat())
+ lines.append(route_pformat())
+ return os.linesep.join(lines)