diff options
Diffstat (limited to 'cloudinit/util.py')
| -rw-r--r-- | cloudinit/util.py | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/cloudinit/util.py b/cloudinit/util.py index e1290aa8..6c014ba5 100644 --- a/cloudinit/util.py +++ b/cloudinit/util.py @@ -2541,4 +2541,26 @@ def load_shell_content(content, add_empty=False, empty_val=None): return data +def wait_for_files(flist, maxwait, naplen=.5, log_pre=""): + need = set(flist) + waited = 0 + while True: + need -= set([f for f in need if os.path.exists(f)]) + if len(need) == 0: + LOG.debug("%sAll files appeared after %s seconds: %s", + log_pre, waited, flist) + return [] + if waited == 0: + LOG.debug("%sWaiting up to %s seconds for the following files: %s", + log_pre, maxwait, flist) + if waited + naplen > maxwait: + break + time.sleep(naplen) + waited += naplen + + LOG.debug("%sStill missing files after %s seconds: %s", + log_pre, maxwait, need) + return need + + # vi: ts=4 expandtab |