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-rw-r--r--cloudinit/util.py10
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)