openstack/deb-sahara
Code Issues Proposed changes

Enchancement for instance interop helper

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* Added command to replace strings in remote file using sed

Change-Id: I78ebfc16d8164fa5fb175a8ebaff1a3248970ea3
This commit is contained in:
Alexander Ignatov 2013-06-22 05:25:18 -07:00
parent 801f3eb15b
commit fb96dae446
1 changed files with 14 additions and 0 deletions
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14
savanna/utils/remote.py
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@ -69,6 +69,12 @@ def read_file_from(sftp, remote_file):
return data
def replace_remote_string(ssh_connection, remote_file, old_str, new_str):
"""Replaces strings in remote file using sed command."""
cmd = "sudo sed -i 's,%s,%s,g' %s" % (old_str, new_str, remote_file)
return execute_command(ssh_connection, cmd)
class InstanceInteropHelper(object):
def __init__(self, instance):
self.instance = instance
@ -101,6 +107,10 @@ class InstanceInteropHelper(object):
with contextlib.closing(self.ssh_connection()) as ssh:
return read_file_from(ssh.open_sftp(), remote_file)
def replace_remote_string(self, remote_file, old_str, new_str):
with contextlib.closing(self.ssh_connection()) as ssh:
return replace_remote_string(ssh, remote_file, old_str, new_str)
class BulkInstanceInteropHelper(object):
def __init__(self, helper):
@ -135,3 +145,7 @@ class BulkInstanceInteropHelper(object):
def read_file_from(self, remote_file):
return read_file_from(self.sftp_connection(), remote_file)
def replace_remote_string(self, remote_file, old_str, new_str):
return replace_remote_string(self.ssh_connection(), remote_file,
old_str, new_str)