openstack/heat-cfntools
Code Issues Proposed changes

Add Flake8 checks for bin/cfn-* to Gating

Browse Source 
Fix the Pep8/hacking/pyflakes warnings in bin/cfn-*.

Change-Id: Ie21b3909c80d33adc712c2f3c9494d0fdbd90608
This commit is contained in:
Dirk Mueller 2013-06-13 09:34:11 +02:00
parent 971c165242
commit 87e08b0b4b
7 changed files with 137 additions and 138 deletions
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16
bin/cfn-create-aws-symlinks
View File

@ -26,11 +26,13 @@ def create_symlink(source_file, target_file, override=False):
if (override): if (override):
os.remove(target_file) os.remove(target_file)
else: else:
print '%s already exists, will not replace with symlink' % target_file print('%s already exists, will not replace with symlink'
% target_file)
return return
print '%s -> %s' % (source_file, target_file) print '%s -> %s' % (source_file, target_file)
os.symlink(source_file, target_file) os.symlink(source_file, target_file)
def check_dirs(source_dir, target_dir): def check_dirs(source_dir, target_dir):
print '%s -> %s' % (source_dir, target_dir) print '%s -> %s' % (source_dir, target_dir)
@ -42,10 +44,12 @@ def check_dirs(source_dir, target_dir):
try: try:
os.makedirs(target_dir) os.makedirs(target_dir)
except OSError as exc: except OSError as exc:
print 'Could not create target directory %s: %s' % (target_dir, exc) print('Could not create target directory %s: %s'
% (target_dir, exc))
return False return False
return True return True
def create_symlinks(source_dir, target_dir, glob_pattern, override): def create_symlinks(source_dir, target_dir, glob_pattern, override):
source_files = glob.glob(os.path.join(source_dir, glob_pattern)) source_files = glob.glob(os.path.join(source_dir, glob_pattern))
for source_file in source_files: for source_file in source_files:
@ -53,7 +57,7 @@ def create_symlinks(source_dir, target_dir, glob_pattern, override):
create_symlink(source_file, target_file, override=override) create_symlink(source_file, target_file, override=override)
if __name__ == '__main__': if __name__ == '__main__':
description = 'Creates symlinks for the cfn-* scripts in this directory to /opt/aws/bin' description = 'Creates symlinks for the cfn-* scripts to /opt/aws/bin'
parser = argparse.ArgumentParser(description=description) parser = argparse.ArgumentParser(description=description)
parser.add_argument( parser.add_argument(
'-t', '--target', '-t', '--target',
@ -64,14 +68,16 @@ if __name__ == '__main__':
parser.add_argument( parser.add_argument(
'-s', '--source', '-s', '--source',
dest="source_dir", dest="source_dir",
help="Source directory to create symlinks from. Defaults to the directory where this script is", help="Source directory to create symlinks from. "
"Defaults to the directory where this script is",
default='/usr/bin', default='/usr/bin',
required=False) required=False)
parser.add_argument( parser.add_argument(
'-f', '--force', '-f', '--force',
dest="force", dest="force",
action='store_true', action='store_true',
help="If specified, will create symlinks even if there is already a target file", help="If specified, will create symlinks even if "
"there is already a target file",
required=False) required=False)
args = parser.parse_args() args = parser.parse_args()

8
bin/cfn-get-metadata
View File

@ -16,14 +16,10 @@
Implements cfn-get-metadata CloudFormation functionality Implements cfn-get-metadata CloudFormation functionality
""" """
import argparse import argparse
import io
import logging import logging
import os
import os.path
import sys
from heat_cfntools.cfntools.cfn_helper import * from heat_cfntools.cfntools import cfn_helper
description = " " description = " "
parser = argparse.ArgumentParser(description=description) parser = argparse.ArgumentParser(description=description)
@ -78,7 +74,7 @@ file_handler = logging.FileHandler(log_file_name)
file_handler.setFormatter(logging.Formatter(log_format)) file_handler.setFormatter(logging.Formatter(log_format))
LOG.addHandler(file_handler) LOG.addHandler(file_handler)
metadata = Metadata(args.stack_name, metadata = cfn_helper.Metadata(args.stack_name,
args.logical_resource_id, args.logical_resource_id,
access_key=args.access_key, access_key=args.access_key,
secret_key=args.secret_key, secret_key=args.secret_key,

8
bin/cfn-hup
View File

@ -16,14 +16,12 @@
Implements cfn-hup CloudFormation functionality Implements cfn-hup CloudFormation functionality
""" """
import argparse import argparse
import io
import logging import logging
import os import os
import os.path import os.path
import sys
from heat_cfntools.cfntools.cfn_helper import * from heat_cfntools.cfntools import cfn_helper
description = " " description = " "
parser = argparse.ArgumentParser(description=description) parser = argparse.ArgumentParser(description=description)
@ -90,7 +88,7 @@ if not config_files:
exit(1) exit(1)
try: try:
mainconfig = HupConfig([main_config_file] + config_files) mainconfig = cfn_helper.HupConfig([main_config_file] + config_files)
except Exception as ex: except Exception as ex:
LOG.error('Cannot load configuration: %s' % str(ex)) LOG.error('Cannot load configuration: %s' % str(ex))
exit(1) exit(1)
@ -103,7 +101,7 @@ if not mainconfig.unique_resources_get():
for r in mainconfig.unique_resources_get(): for r in mainconfig.unique_resources_get():
LOG.debug('Checking resource %s' % r) LOG.debug('Checking resource %s' % r)
metadata = Metadata(mainconfig.stack, metadata = cfn_helper.Metadata(mainconfig.stack,
r, r,
credentials_file=mainconfig.credential_file, credentials_file=mainconfig.credential_file,
region=mainconfig.region) region=mainconfig.region)

6
bin/cfn-init
View File

@ -17,11 +17,9 @@ Implements cfn-init CloudFormation functionality
""" """
import argparse import argparse
import logging import logging
import os
import sys
from heat_cfntools.cfntools.cfn_helper import * from heat_cfntools.cfntools import cfn_helper
description = " " description = " "
parser = argparse.ArgumentParser(description=description) parser = argparse.ArgumentParser(description=description)
@ -60,7 +58,7 @@ file_handler = logging.FileHandler(log_file_name)
file_handler.setFormatter(logging.Formatter(log_format)) file_handler.setFormatter(logging.Formatter(log_format))
LOG.addHandler(file_handler) LOG.addHandler(file_handler)
metadata = Metadata(args.stack_name, metadata = cfn_helper.Metadata(args.stack_name,
args.logical_resource_id, args.logical_resource_id,
access_key=args.access_key, access_key=args.access_key,
secret_key=args.secret_key, secret_key=args.secret_key,

21
bin/cfn-push-stats
View File

@ -19,13 +19,11 @@ import argparse
import logging import logging
import os import os
import subprocess import subprocess
import random
import sys
# Override BOTO_CONFIG, which makes boto look only at the specified # Override BOTO_CONFIG, which makes boto look only at the specified
# config file, instead of the default locations # config file, instead of the default locations
os.environ['BOTO_CONFIG'] = '/var/lib/heat-cfntools/cfn-boto-cfg' os.environ['BOTO_CONFIG'] = '/var/lib/heat-cfntools/cfn-boto-cfg'
from boto.ec2.cloudwatch import CloudWatchConnection from boto.ec2 import cloudwatch
log_format = '%(levelname)s [%(asctime)s] %(message)s' log_format = '%(levelname)s [%(asctime)s] %(message)s'
@ -41,7 +39,7 @@ except ImportError:
LOG.warn("psutil not available. If you want process and memory " LOG.warn("psutil not available. If you want process and memory "
"statistics, you need to install it.") "statistics, you need to install it.")
from heat_cfntools.cfntools.cfn_helper import * from heat_cfntools.cfntools import cfn_helper
KILO = 1024 KILO = 1024
MEGA = 1048576 MEGA = 1048576
@ -63,9 +61,11 @@ parser.add_argument('--service-failure', required=False, action="store_true",
parser.add_argument('--mem-util', required=False, action="store_true", parser.add_argument('--mem-util', required=False, action="store_true",
help='Reports memory utilization in percentages.') help='Reports memory utilization in percentages.')
parser.add_argument('--mem-used', required=False, action="store_true", parser.add_argument('--mem-used', required=False, action="store_true",
help='Reports memory used (excluding cache and buffers) in megabytes.') help='Reports memory used (excluding cache/buffers) '
'in megabytes.')
parser.add_argument('--mem-avail', required=False, action="store_true", parser.add_argument('--mem-avail', required=False, action="store_true",
help='Reports available memory (including cache and buffers) in megabytes.') help='Reports available memory (including cache/buffers) '
'in megabytes.')
parser.add_argument('--swap-util', required=False, action="store_true", parser.add_argument('--swap-util', required=False, action="store_true",
help='Reports swap utilization in percentages.') help='Reports swap utilization in percentages.')
parser.add_argument('--swap-used', required=False, action="store_true", parser.add_argument('--swap-used', required=False, action="store_true",
@ -103,7 +103,7 @@ args = parser.parse_args()
LOG.debug('cfn-push-stats called %s ' % (str(args))) LOG.debug('cfn-push-stats called %s ' % (str(args)))
credentials = parse_creds_file(args.credential_file) credentials = cfn_helper.parse_creds_file(args.credential_file)
namespace = 'system/linux' namespace = 'system/linux'
data = {} data = {}
@ -185,6 +185,7 @@ if args.cpu_util:
'Value': cpu_percent, 'Value': cpu_percent,
'Units': 'Percent'} 'Units': 'Percent'}
# HAProxy # HAProxy
# ======= # =======
def parse_haproxy_unix_socket(res, latency_only=False): def parse_haproxy_unix_socket(res, latency_only=False):
@ -206,8 +207,8 @@ def parse_haproxy_unix_socket(res, latency_only=False):
stdin=echo.stdout, stdin=echo.stdout,
stdout=subprocess.PIPE) stdout=subprocess.PIPE)
end_pipe = socat.stdout end_pipe = socat.stdout
raw = [l.strip('\n').split(',') for l in end_pipe raw = [l.strip('\n').split(',')
if l[0] != '#' and len(l) > 2] for l in end_pipe if l[0] != '#' and len(l) > 2]
latency = 0 latency = 0
up_count = 0 up_count = 0
down_count = 0 down_count = 0
@ -242,7 +243,7 @@ def send_stats(info):
# Create boto connection, need the hard-coded port/path as boto # Create boto connection, need the hard-coded port/path as boto
# can't read these from config values in BOTO_CONFIG # can't read these from config values in BOTO_CONFIG
# FIXME : currently only http due to is_secure=False # FIXME : currently only http due to is_secure=False
client = CloudWatchConnection( client = cloudwatch.CloudWatchConnection(
aws_access_key_id=credentials['AWSAccessKeyId'], aws_access_key_id=credentials['AWSAccessKeyId'],
aws_secret_access_key=credentials['AWSSecretKey'], aws_secret_access_key=credentials['AWSSecretKey'],
is_secure=False, port=8003, path="/v1", debug=0) is_secure=False, port=8003, path="/v1", debug=0)

7
bin/cfn-signal
View File

@ -17,11 +17,10 @@ Implements cfn-signal CloudFormation functionality
""" """
import argparse import argparse
import logging import logging
import os
import sys import sys
from heat_cfntools.cfntools.cfn_helper import * from heat_cfntools.cfntools import cfn_helper
description = " " description = " "
@ -83,6 +82,6 @@ body = {
} }
cmd_str = "curl -X PUT -H \'Content-Type:\' --data-binary \'%s\' \"%s\"" % \ cmd_str = "curl -X PUT -H \'Content-Type:\' --data-binary \'%s\' \"%s\"" % \
(json.dumps(body), args.url) (cfn_helper.json.dumps(body), args.url)
command = CommandRunner(cmd_str).run() command = cfn_helper.CommandRunner(cmd_str).run()
sys.exit(command.status) sys.exit(command.status)

1
tox.ini
View File

@ -15,6 +15,7 @@ downloadcache = ~/cache/pip
[testenv:pep8] [testenv:pep8]
commands = flake8 commands = flake8
flake8 --filename=cfn-* bin
[testenv:pylint] [testenv:pylint]
setenv = VIRTUAL_ENV={envdir} setenv = VIRTUAL_ENV={envdir}