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added flake8/black, pre-commit integration for flake8/black, and black formatting changes

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This commit is contained in:
bharnden 2019-09-10 15:10:24 -07:00
parent d5055f85d3
commit 1fc8d647c3
77 changed files with 4452 additions and 1964 deletions
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89
daemon/examples/netns/howmanynodes.py
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@ -78,27 +78,57 @@ switchlist = []
def main():
usagestr = "usage: %prog [-h] [options] [args]"
parser = optparse.OptionParser(usage=usagestr)
parser.set_defaults(waittime=0.2, numnodes=0, bridges=0, retries=0,
logfile=None, services=None)
parser.set_defaults(
waittime=0.2, numnodes=0, bridges=0, retries=0, logfile=None, services=None
)
parser.add_option("-w", "--waittime", dest="waittime", type=float,
help="number of seconds to wait between node creation" \
" (default = %s)" % parser.defaults["waittime"])
parser.add_option("-n", "--numnodes", dest="numnodes", type=int,
help="number of nodes (default = unlimited)")
parser.add_option("-b", "--bridges", dest="bridges", type=int,
help="number of nodes per bridge; 0 = one bridge " \
"(def. = %s)" % parser.defaults["bridges"])
parser.add_option("-r", "--retry", dest="retries", type=int,
help="number of retries on error (default = %s)" % \
parser.defaults["retries"])
parser.add_option("-l", "--log", dest="logfile", type=str,
help="log memory usage to this file (default = %s)" % \
parser.defaults["logfile"])
parser.add_option("-s", "--services", dest="services", type=str,
help="pipe-delimited list of services added to each "
"node (default = %s)\n(Example: zebra|OSPFv2|OSPFv3|"
"IPForward)" % parser.defaults["services"])
parser.add_option(
"-w",
"--waittime",
dest="waittime",
type=float,
help="number of seconds to wait between node creation"
" (default = %s)" % parser.defaults["waittime"],
)
parser.add_option(
"-n",
"--numnodes",
dest="numnodes",
type=int,
help="number of nodes (default = unlimited)",
)
parser.add_option(
"-b",
"--bridges",
dest="bridges",
type=int,
help="number of nodes per bridge; 0 = one bridge "
"(def. = %s)" % parser.defaults["bridges"],
)
parser.add_option(
"-r",
"--retry",
dest="retries",
type=int,
help="number of retries on error (default = %s)" % parser.defaults["retries"],
)
parser.add_option(
"-l",
"--log",
dest="logfile",
type=str,
help="log memory usage to this file (default = %s)"
% parser.defaults["logfile"],
)
parser.add_option(
"-s",
"--services",
dest="services",
type=str,
help="pipe-delimited list of services added to each "
"node (default = %s)\n(Example: zebra|OSPFv2|OSPFv3|"
"IPForward)" % parser.defaults["services"],
)
def usage(msg=None, err=0):
sys.stdout.write("\n")
@ -118,7 +148,10 @@ def main():
print("Testing how many network namespace nodes this machine can create.")
print(" - %s" % linuxversion())
mem = memfree()
print(" - %.02f GB total memory (%.02f GB swap)" % (mem["total"] / GBD, mem["stotal"] / GBD))
print(
" - %.02f GB total memory (%.02f GB swap)"
% (mem["total"] / GBD, mem["stotal"] / GBD)
)
print(" - using IPv4 network prefix %s" % prefix)
print(" - using wait time of %s" % options.waittime)
print(" - using %d nodes per bridge" % options.bridges)
@ -149,9 +182,15 @@ def main():
if 0 < options.bridges <= switch.numnetif():
switch = session.create_node(cls=core.nodes.network.SwitchNode)
switchlist.append(switch)
print("\nAdded bridge %s (%d) for node %d." % (switch.brname, len(switchlist), i))
print(
"\nAdded bridge %s (%d) for node %d."
% (switch.brname, len(switchlist), i)
)
except Exception as e:
print("At %d bridges (%d nodes) caught exception:\n%s\n" % (len(switchlist), i - 1, e))
print(
"At %d bridges (%d nodes) caught exception:\n%s\n"
% (len(switchlist), i - 1, e)
)
break
# create a node
@ -164,11 +203,11 @@ def main():
session.services.boot_services(n)
nodelist.append(n)
if i % 25 == 0:
print("\n%s nodes created " % i,)
print("\n%s nodes created " % i)
mem = memfree()
free = mem["free"] + mem["buff"] + mem["cached"]
swap = mem["stotal"] - mem["sfree"]
print("(%.02f/%.02f GB free/swap)" % (free / GBD, swap / GBD),)
print("(%.02f/%.02f GB free/swap)" % (free / GBD, swap / GBD))
if lfp:
lfp.write("%d," % i)
lfp.write("%s\n" % ",".join(str(mem[x]) for x in MEMKEYS))