Change in vdsm[master]: vdsClient: manage vdsm.conf

[Douglas Schilling Landgraf]

Douglas Schilling Landgraf has uploaded a new change for review.

Change subject: vdsClient: manage vdsm.conf
......................................................................

vdsClient: manage vdsm.conf

A user reported that would like to have option in vdsClient to
show the current settings. Additionaly to this option, created a flag
to update vdsm config file.

Change-Id: I58d20ae4724549f85ae7f4fcea998679b177d1ae
Signed-off-by: Douglas Schilling Landgraf <dougsland(a)redhat.com&gt;
---
M client/vdsClient.py
1 file changed, 67 insertions(+), 0 deletions(-)


  git pull ssh://gerrit.ovirt.org:29418/vdsm refs/changes/75/21875/1

diff --git a/client/vdsClient.py b/client/vdsClient.py
index d549500..c2eb209 100644
--- a/client/vdsClient.py
+++ b/client/vdsClient.py
@@ -26,7 +26,9 @@
 import socket
 import pprint as pp
 
+from datetime import datetime
 from vdsm import vdscli
+from shutil import copy2
 try:
     import vdsClientGluster as ge
     _glusterEnabled = True
@@ -59,6 +61,9 @@
 SHARED_VOL = 6
 INTERNAL_VOL = 7
 LEAF_VOL = 8
+
+# VDSM CONF
+VDSM_CONF = "/etc/vdsm/vdsm.conf"
 
 
 def validateArgTypes(args, conv, requiredArgsNumber=0):
@@ -999,6 +1004,57 @@
                                              volUUID, descr)
         if status['status']['code']:
             return status['status']['code'],
status['status']['message']
+        return 0, ''
+
+    def setConfig(self, args):
+
+        configName = args[0]
+        configNewValue = args[1]
+
+        dt = datetime.now()
+        bkpFile = "/etc/vdsm/." + dt.strftime("%Y-%m-%d_%H%M%S") +
"-vdsm.conf"
+
+        copy2(VDSM_CONF, bkpFile)
+
+        with open(VDSM_CONF, 'r') as fd:
+            vdsmConf = fd.readlines()
+
+        newVdsmConf = ""
+        for line in vdsmConf:
+            if configName in line:
+                key, value = line.split("=")
+                newVdsmConf = '{0}{1}= {2}{3}'.format(
+                    newVdsmConf, key, configNewValue, "\n")
+            else:
+                newVdsmConf = '{0}{1}'.format(newVdsmConf, line)
+
+        with open(VDSM_CONF, 'w+') as fd:
+            fd.write(newVdsmConf)
+
+        print "Please note: \n" \
+              "\tCopied previous vdsm.conf to " + bkpFile + "\n" \
+              "\tTo VDSM load this new change, restart VDSM daemon\n" \
+              "\tIf the system is a oVirt Node (or derivative) run persist " \
+              "/etc/vdsm/vdsm.conf to keep the new config in case of reboot"
+
+        return 0, ''
+
+    def showConfig(self, args):
+        with open("/etc/vdsm/vdsm.conf", 'r') as fd:
+            vdsmConf = fd.readlines()
+
+        for line in vdsmConf:
+            if "=" in line:
+                key, value = line.split("=")
+
+                if "#" in key:
+                    key = key.strip("#") + "<current
commented>"
+
+                if len(value.strip()) == 0:
+                    value = "<no assigned value>"
+
+                print "key: {0}\nkey value: {1}\n".format(
+                    key.strip(), value.strip())
         return 0, ''
 
     def setVolumeLegality(self, args):
@@ -2219,6 +2275,17 @@
                                   '<Description>',
                                   'Sets a new description to the volume'
                                   )),
+
+        'setConfig': (serv.setConfig,
+                      ('<configName> <newValue>',
+                       'Set new value for a vdsm config'
+                       )),
+
+        'showConfig': (serv.showConfig,
+                       ('',
+                        'Get vdsm configuration options available in vdsm.conf'
+                        )),
+
         'setVolumeLegality': (serv.setVolumeLegality,
                               ('<sdUUID> <spUUID> <imgUUID>
<volUUID> '
                                '<Legality>',


-- 
To view, visit http://gerrit.ovirt.org/21875
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Gerrit-MessageType: newchange
Gerrit-Change-Id: I58d20ae4724549f85ae7f4fcea998679b177d1ae
Gerrit-PatchSet: 1
Gerrit-Project: vdsm
Gerrit-Branch: master
Gerrit-Owner: Douglas Schilling Landgraf <dougsland(a)redhat.com&gt;