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| author | Scott Moser <smoser@brickies.net> | 2012-10-23 18:58:32 +0200 |
|---|---|---|
| committer | Scott Moser <smoser@brickies.net> | 2012-10-23 18:58:32 +0200 |
| commit | 71b4108d029fff61ff8183ffbd77917569bea2cd (patch) | |
| tree | 6564cd3f5faa26fb1c843b14d27ca6eaa23164f0 /cloudinit/util.py | |
| parent | cb5893c3e3f635de4fef86f0a19be0ada0054930 (diff) | |
| parent | e8a10a41d22876d555084def823817337d9c2a80 (diff) | |
| download | vyos-cloud-init-71b4108d029fff61ff8183ffbd77917569bea2cd.tar.gz vyos-cloud-init-71b4108d029fff61ff8183ffbd77917569bea2cd.zip | |
use only util methods for reading/loading/appending/peeking
Use only util methods for reading/loading/appending/peeking
at files since it is likely soon that we will add a new
way of adjusting the root of files read, also it is useful
for debugging to track what is being read/written in a central
fashion.
Diffstat (limited to 'cloudinit/util.py')
| -rw-r--r-- | cloudinit/util.py | 10 |
1 files changed, 10 insertions, 0 deletions
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) |