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-rw-r--r--Makefile5
-rw-r--r--cloudinit/config/cc_grub_dpkg.py8
-rw-r--r--cloudinit/helpers.py82
-rw-r--r--cloudinit/sources/DataSourceOVF.py2
-rw-r--r--cloudinit/stages.py59
-rw-r--r--cloudinit/util.py2
-rwxr-xr-xtools/run-pep828
-rwxr-xr-xtools/run-pylint13
8 files changed, 135 insertions, 64 deletions
diff --git a/Makefile b/Makefile
index ab23bf1f..c20dfbd3 100644
--- a/Makefile
+++ b/Makefile
@@ -4,6 +4,9 @@ PY_FILES+="bin/cloud-init"
all: test
+pep8:
+ $(CWD)/tools/run-pep8 $(PY_FILES)
+
pylint:
$(CWD)/tools/run-pylint $(PY_FILES)
@@ -20,5 +23,5 @@ clean:
rm -rf /var/log/cloud-init.log \
/var/lib/cloud/
-.PHONY: test pylint pyflakes 2to3 clean
+.PHONY: test pylint pyflakes 2to3 clean pep8
diff --git a/cloudinit/config/cc_grub_dpkg.py b/cloudinit/config/cc_grub_dpkg.py
index 02f05ce3..b3ce6fb6 100644
--- a/cloudinit/config/cc_grub_dpkg.py
+++ b/cloudinit/config/cc_grub_dpkg.py
@@ -37,14 +37,14 @@ def handle(_name, cfg, _cloud, log, _args):
if ((os.path.exists("/dev/sda1") and not os.path.exists("/dev/sda")) or
(os.path.exists("/dev/xvda1") and not os.path.exists("/dev/xvda"))):
- if idevs == None:
+ if idevs is None:
idevs = ""
- if idevs_empty == None:
+ if idevs_empty is None:
idevs_empty = "true"
else:
- if idevs_empty == None:
+ if idevs_empty is None:
idevs_empty = "false"
- if idevs == None:
+ if idevs is None:
idevs = "/dev/sda"
for dev in ("/dev/sda", "/dev/vda", "/dev/sda1", "/dev/vda1"):
if os.path.exists(dev):
diff --git a/cloudinit/helpers.py b/cloudinit/helpers.py
index 7a2ac6b8..0f86285f 100644
--- a/cloudinit/helpers.py
+++ b/cloudinit/helpers.py
@@ -28,7 +28,8 @@ import os
from ConfigParser import (NoSectionError, NoOptionError, RawConfigParser)
-from cloudinit.settings import (PER_INSTANCE, PER_ALWAYS, PER_ONCE)
+from cloudinit.settings import (PER_INSTANCE, PER_ALWAYS, PER_ONCE,
+ CFG_ENV_NAME)
from cloudinit import log as logging
from cloudinit import util
@@ -176,6 +177,85 @@ class Runners(object):
return (True, results)
+class ConfigMerger(object):
+ def __init__(self, paths=None, datasource=None,
+ additional_fns=None, base_cfg=None):
+ self._paths = paths
+ self._ds = datasource
+ self._fns = additional_fns
+ self._base_cfg = base_cfg
+ # Created on first use
+ self._cfg = None
+
+ def _get_datasource_configs(self):
+ d_cfgs = []
+ if self._ds:
+ try:
+ ds_cfg = self._ds.get_config_obj()
+ if ds_cfg and isinstance(ds_cfg, (dict)):
+ d_cfgs.append(ds_cfg)
+ except:
+ util.logexc(LOG, ("Failed loading of datasource"
+ " config object from %s"), self._ds)
+ return d_cfgs
+
+ def _get_env_configs(self):
+ e_cfgs = []
+ if CFG_ENV_NAME in os.environ:
+ e_fn = os.environ[CFG_ENV_NAME]
+ try:
+ e_cfgs.append(util.read_conf(e_fn))
+ except:
+ util.logexc(LOG, ('Failed loading of env. config'
+ ' from %s'), e_fn)
+ return e_cfgs
+
+ def _get_instance_configs(self):
+ i_cfgs = []
+ # If cloud-config was written, pick it up as
+ # a configuration file to use when running...
+ if not self._paths:
+ return i_cfgs
+ cc_fn = self._paths.get_ipath_cur('cloud_config')
+ if cc_fn and os.path.isfile(cc_fn):
+ try:
+ i_cfgs.append(util.read_conf(cc_fn))
+ except:
+ util.logexc(LOG, ('Failed loading of cloud-config'
+ ' from %s'), cc_fn)
+ return i_cfgs
+
+ def _read_cfg(self):
+ # Input config files override
+ # env config files which
+ # override instance configs
+ # which override datasource
+ # configs which override
+ # base configuration
+ cfgs = []
+ if self._fns:
+ for c_fn in self._fns:
+ try:
+ cfgs.append(util.read_conf(c_fn))
+ except:
+ util.logexc(LOG, ("Failed loading of configuration"
+ " from %s"), c_fn)
+
+ cfgs.extend(self._get_env_configs())
+ cfgs.extend(self._get_instance_configs())
+ cfgs.extend(self._get_datasource_configs())
+ if self._base_cfg:
+ cfgs.append(self._base_cfg)
+ return util.mergemanydict(cfgs)
+
+ @property
+ def cfg(self):
+ # None check to avoid empty case causing re-reading
+ if self._cfg is None:
+ self._cfg = self._read_cfg()
+ return self._cfg
+
+
class ContentHandlers(object):
def __init__(self):
diff --git a/cloudinit/sources/DataSourceOVF.py b/cloudinit/sources/DataSourceOVF.py
index f38fb4b9..7728b36f 100644
--- a/cloudinit/sources/DataSourceOVF.py
+++ b/cloudinit/sources/DataSourceOVF.py
@@ -186,7 +186,7 @@ def transport_iso9660(require_iso=True):
fstype = info['fstype']
if fstype != "iso9660" and require_iso:
continue
- if cdmatch.match(dev[5:]) == None: # take off '/dev/'
+ if cdmatch.match(dev[5:]) is None: # take off '/dev/'
continue
mp = info['mountpoint']
(fname, contents) = get_ovf_env(mp)
diff --git a/cloudinit/stages.py b/cloudinit/stages.py
index 3ed13009..47f6e188 100644
--- a/cloudinit/stages.py
+++ b/cloudinit/stages.py
@@ -147,23 +147,16 @@ class Init(object):
LOG.debug("Loaded 'init' config %s", self._cfg)
def _read_cfg(self, extra_fns):
- # Read extra files provided (if any)
- i_cfgs = []
- if extra_fns:
- for fn in extra_fns:
- try:
- fn_cfg = util.read_conf(fn)
- i_cfgs.append(fn_cfg)
- except:
- util.logexc(LOG, ("Failed loading of additional"
- " configuration from %s"), fn)
- # Now read in the built-in + base
try:
- conf = util.get_base_cfg(builtin=util.get_builtin_cfg())
+ base_conf = util.get_base_cfg(builtin=util.get_builtin_cfg())
except Exception:
- conf = util.get_builtin_cfg()
- i_cfgs.append(conf)
- return util.mergemanydict(i_cfgs)
+ base_conf = util.get_builtin_cfg()
+ no_cfg_pths = helpers.Paths({}, self.datasource)
+ merger = helpers.ConfigMerger(paths=no_cfg_pths,
+ datasource=self.datasource,
+ additional_fns=extra_fns,
+ base_cfg=base_conf)
+ return merger.cfg
def _restore_from_cache(self):
pickled_fn = self.paths.get_ipath_cur('obj_pkl')
@@ -396,46 +389,24 @@ class Init(object):
class Modules(object):
def __init__(self, init, cfg_files=None):
- self.datasource = init.datasource
- self.cfg_files = cfg_files
- self.base_cfg = init.cfg
self.init = init
+ self.cfg_files = cfg_files
# Created on first use
self._cached_cfg = None
@property
def cfg(self):
- # None check to avoid empty case
+ # None check to avoid empty case causing re-reading
if self._cached_cfg is None:
- self._cached_cfg = self._get_config()
+ merger = helpers.ConfigMerger(paths=self.init.paths,
+ datasource=self.init.datasource,
+ fns=self.cfg_files,
+ base_cfg=self.init.cfg)
+ self._cached_cfg = merger.cfg
LOG.debug("Loading 'module' config %s", self._cached_cfg)
# Only give out a copy so that others can't modify this...
return copy.deepcopy(self._cached_cfg)
- def _get_config(self):
- t_cfgs = []
- if self.cfg_files:
- for fn in self.cfg_files:
- try:
- t_cfgs.append(util.read_conf(fn))
- except:
- util.logexc(LOG, ("Failed loading of configuration"
- " from %s"), fn)
-
- if self.datasource:
- try:
- d_cfg = self.datasource.get_config_obj()
- if d_cfg:
- t_cfgs.append(d_cfg)
- except:
- util.logexc(LOG, ("Failed loading of datasource"
- " config object from %s"), self.datasource)
-
- if self.base_cfg:
- t_cfgs.append(self.base_cfg)
-
- return util.mergemanydict(t_cfgs)
-
def _read_modules(self, name):
module_list = []
if name not in self.cfg:
diff --git a/cloudinit/util.py b/cloudinit/util.py
index 6cdf9ff3..2f5ed275 100644
--- a/cloudinit/util.py
+++ b/cloudinit/util.py
@@ -908,7 +908,7 @@ def pipe_in_out(in_fh, out_fh, chunk_size=1024, chunk_cb=None):
def chownbyid(fname, uid=None, gid=None):
- if uid == None and gid == None:
+ if uid is None and gid is None:
return
LOG.debug("Changing the ownership of %s to %s:%s", fname, uid, gid)
os.chown(fname, uid, gid)
diff --git a/tools/run-pep8 b/tools/run-pep8
new file mode 100755
index 00000000..e7707985
--- /dev/null
+++ b/tools/run-pep8
@@ -0,0 +1,28 @@
+#!/bin/bash
+
+ci_files='cloud*.py cloudinit/*.py cloudinit/config/*.py'
+test_files=$(find tests -name "*.py")
+def_files="$ci_files $test_files"
+
+if [ $# -eq 0 ]; then
+ files=( )
+ for f in $def_files; do
+ [ -f "$f" ] || { echo "failed, $f not a file" 1>&2; exit 1; }
+ files[${#files[@]}]=${f}
+ done
+else
+ files=( "$@" );
+fi
+
+cmd=(
+ pep8
+
+ --ignore=E501 # Line too long (these are caught by pylint)
+
+ "${files[@]}"
+)
+
+echo -e "\nRunning pep8:"
+echo "${cmd[@]}"
+"${cmd[@]}"
+
diff --git a/tools/run-pylint b/tools/run-pylint
index 46748ffb..dd6369aa 100755
--- a/tools/run-pylint
+++ b/tools/run-pylint
@@ -1,6 +1,6 @@
#!/bin/bash
-ci_files='cloud*.py cloudinit/*.py cloudinit/CloudConfig/*.py'
+ci_files='cloud*.py cloudinit/*.py cloudinit/config/*.py'
test_files=$(find tests -name "*.py")
def_files="$ci_files $test_files"
@@ -38,14 +38,3 @@ echo -e "\nRunning pylint:"
echo "${cmd[@]}"
"${cmd[@]}"
-cmd=(
- pep8
-
- --ignore=E501 # Line too long (these are caught by pylint above)
-
- "${files[@]}"
-)
-
-echo -e "\nRunning pep8:"
-echo "${cmd[@]}"
-"${cmd[@]}"