diff options
Diffstat (limited to 'cloudinit')
| -rw-r--r-- | cloudinit/distros/__init__.py | 3 | ||||
| -rw-r--r-- | cloudinit/sources/DataSourceAltCloud.py | 19 | ||||
| -rw-r--r-- | cloudinit/sources/DataSourceConfigDrive.py | 20 | ||||
| -rw-r--r-- | cloudinit/sources/DataSourceMAAS.py | 5 | ||||
| -rw-r--r-- | cloudinit/sources/DataSourceOVF.py | 5 | ||||
| -rw-r--r-- | cloudinit/util.py | 10 |
6 files changed, 32 insertions, 30 deletions
diff --git a/cloudinit/distros/__init__.py b/cloudinit/distros/__init__.py index 11a72da1..2fbb0e9b 100644 --- a/cloudinit/distros/__init__.py +++ b/cloudinit/distros/__init__.py @@ -335,8 +335,7 @@ class Distro(object): util.write_file(sudo_file, content, 0440) else: try: - with open(sudo_file, 'a') as f: - f.write(content) + util.append_file(sudo_file, content) except IOError as e: util.logexc(LOG, "Failed to write %s" % sudo_file, e) raise e diff --git a/cloudinit/sources/DataSourceAltCloud.py b/cloudinit/sources/DataSourceAltCloud.py index 69c376a5..d7e1204f 100644 --- a/cloudinit/sources/DataSourceAltCloud.py +++ b/cloudinit/sources/DataSourceAltCloud.py @@ -73,13 +73,11 @@ def read_user_data_callback(mount_dir): # First try deltacloud_user_data_file. On failure try user_data_file. try: - with open(deltacloud_user_data_file, 'r') as user_data_f: - user_data = user_data_f.read().strip() - except: + user_data = util.load_file(deltacloud_user_data_file).strip() + except IOError: try: - with open(user_data_file, 'r') as user_data_f: - user_data = user_data_f.read().strip() - except: + user_data = util.load_file(user_data_file).strip() + except IOError: util.logexc(LOG, ('Failed accessing user data file.')) return None @@ -157,11 +155,10 @@ class DataSourceAltCloud(sources.DataSource): if os.path.exists(CLOUD_INFO_FILE): try: - cloud_info = open(CLOUD_INFO_FILE) - cloud_type = cloud_info.read().strip().upper() - cloud_info.close() - except: - util.logexc(LOG, 'Unable to access cloud info file.') + cloud_type = util.load_file(CLOUD_INFO_FILE).strip().upper() + except IOError: + util.logexc(LOG, 'Unable to access cloud info file at %s.', + CLOUD_INFO_FILE) return False else: cloud_type = self.get_cloud_type() diff --git a/cloudinit/sources/DataSourceConfigDrive.py b/cloudinit/sources/DataSourceConfigDrive.py index 4af2e5ae..9729cfb9 100644 --- a/cloudinit/sources/DataSourceConfigDrive.py +++ b/cloudinit/sources/DataSourceConfigDrive.py @@ -307,19 +307,19 @@ def read_config_drive_dir_v2(source_dir, version="2012-08-10"): found = False if os.path.isfile(fpath): try: - with open(fpath) as fp: - data = fp.read() - except Exception as exc: - raise BrokenConfigDriveDir("failed to read: %s" % fpath) + data = util.load_file(fpath) + except IOError: + raise BrokenConfigDriveDir("Failed to read: %s" % fpath) found = True elif required: - raise NonConfigDriveDir("missing mandatory %s" % fpath) + raise NonConfigDriveDir("Missing mandatory path: %s" % fpath) if found and process: try: data = process(data) except Exception as exc: - raise BrokenConfigDriveDir("failed to process: %s" % fpath) + raise BrokenConfigDriveDir(("Failed to process " + "path: %s") % fpath) if found: results[name] = data @@ -335,8 +335,7 @@ def read_config_drive_dir_v2(source_dir, version="2012-08-10"): # do not use os.path.join here, as content_path starts with / cpath = os.path.sep.join((source_dir, "openstack", "./%s" % item['content_path'])) - with open(cpath) as fp: - return(fp.read()) + return util.load_file(cpath) files = {} try: @@ -350,7 +349,7 @@ def read_config_drive_dir_v2(source_dir, version="2012-08-10"): if item: results['network_config'] = read_content_path(item) except Exception as exc: - raise BrokenConfigDriveDir("failed to read file %s: %s" % (item, exc)) + raise BrokenConfigDriveDir("Failed to read file %s: %s" % (item, exc)) # to openstack, user can specify meta ('nova boot --meta=key=value') and # those will appear under metadata['meta']. @@ -465,8 +464,7 @@ def get_previous_iid(paths): # hasn't declared itself found. fname = os.path.join(paths.get_cpath('data'), 'instance-id') try: - with open(fname) as fp: - return fp.read() + return util.load_file(fname) except IOError: return None diff --git a/cloudinit/sources/DataSourceMAAS.py b/cloudinit/sources/DataSourceMAAS.py index e187aec9..b55d8a21 100644 --- a/cloudinit/sources/DataSourceMAAS.py +++ b/cloudinit/sources/DataSourceMAAS.py @@ -336,8 +336,7 @@ if __name__ == "__main__": 'token_secret': args.tsec, 'consumer_secret': args.csec} if args.config: - with open(args.config) as fp: - cfg = util.load_yaml(fp.read()) + cfg = util.read_conf(args.config) if 'datasource' in cfg: cfg = cfg['datasource']['MAAS'] for key in creds.keys(): @@ -346,7 +345,7 @@ if __name__ == "__main__": def geturl(url, headers_cb): req = urllib2.Request(url, data=None, headers=headers_cb(url)) - return(urllib2.urlopen(req).read()) + return (urllib2.urlopen(req).read()) def printurl(url, headers_cb): print "== %s ==\n%s\n" % (url, geturl(url, headers_cb)) diff --git a/cloudinit/sources/DataSourceOVF.py b/cloudinit/sources/DataSourceOVF.py index 771e64eb..e90150c6 100644 --- a/cloudinit/sources/DataSourceOVF.py +++ b/cloudinit/sources/DataSourceOVF.py @@ -204,9 +204,8 @@ def transport_iso9660(require_iso=True): try: # See if we can read anything at all...?? - with open(fullp, 'rb') as fp: - fp.read(512) - except: + util.peek_file(fullp, 512) + except IOError: continue try: diff --git a/cloudinit/util.py b/cloudinit/util.py index f5a7ac12..7890a3d6 100644 --- a/cloudinit/util.py +++ b/cloudinit/util.py @@ -983,6 +983,12 @@ def find_devs_with(criteria=None, oformat='device', return entries +def peek_file(fname, max_bytes): + LOG.debug("Peeking at %s (max_bytes=%s)", fname, max_bytes) + with open(fname, 'rb') as ifh: + return ifh.read(max_bytes) + + def load_file(fname, read_cb=None, quiet=False): LOG.debug("Reading from %s (quiet=%s)", fname, quiet) ofh = StringIO() @@ -1328,6 +1334,10 @@ def uptime(): return uptime_str +def append_file(path, content): + write_file(path, content, omode="ab", mode=None) + + def ensure_file(path, mode=0644): write_file(path, content='', omode="ab", mode=mode) |