commit 10ba799ab08001d5435425e65f039f20cadd306e

Author: Tony Asleson <tasleson@redhat.com>

Date:   Mon Oct 15 13:54:19 2012 -0700

    python-lvm: Update example to work with lvm object removal.

    Signed-off-by: Tony Asleson <tasleson@redhat.com>

    Signed-off-by: Andy Grover <agrover@redhat.com>

---

 python/example.py | 35 +++++++++++++++--------------------

 1 file changed, 15 insertions(+), 20 deletions(-)

diff --git a/python/example.py b/python/example.py

index 67bb7e4..5c14ee1 100644

--- a/python/example.py

+++ b/python/example.py

@@ -31,9 +31,9 @@ def print_pv(pv):

 #Dump some information about a specific volume group

-def print_vg(h, vg_name):

+def print_vg(vg_name):

     #Open read only

-    vg = h.vgOpen(vg_name, 'r')

+    vg = lvm.vgOpen(vg_name, 'r')

     print 'Volume group:', vg_name, 'Size: ', vg.getSize()

@@ -55,13 +55,13 @@ def print_vg(h, vg_name):

     vg.close()

 #Returns the name of a vg with space available

-def find_vg_with_free_space(h):

+def find_vg_with_free_space():

     free_space = 0

     rc = None

-    vg_names = l.listVgNames()

+    vg_names = lvm.listVgNames()

     for v in vg_names:

-        vg = h.vgOpen(v, 'r')

+        vg = lvm.vgOpen(v, 'r')

         c_free = vg.getFreeSize()

         if c_free > free_space:

             free_space = c_free

@@ -72,13 +72,13 @@ def find_vg_with_free_space(h):

 #Walk through the volume groups and fine one with space in which we can

 #create a new logical volume

-def create_delete_logical_volume(h):

-    vg_name = find_vg_with_free_space(h)

+def create_delete_logical_volume():

+    vg_name = find_vg_with_free_space()

     print 'Using volume group ', vg_name, ' for example'

     if vg_name:

-        vg = h.vgOpen(vg_name, 'w')

+        vg = lvm.vgOpen(vg_name, 'w')

         lv = vg.createLvLinear('python_lvm_ok_to_delete', vg.getFreeSize())

         if lv:

@@ -93,11 +93,11 @@ def create_delete_logical_volume(h):

                 #Remove tag

                 lv.removeTag(t)

+            lv.deactivate()

+

             #Try to rename

-            lv.rename("python_lvm_ok_to_be_removed_shortly")

+            lv.rename("python_lvm_renamed")

             print 'LV name= ', lv.getName()

-

-            lv.deactivate()

             lv.remove()

         vg.close()

@@ -105,21 +105,16 @@ def create_delete_logical_volume(h):

         print 'No free space available to create demo lv!'

 if __name__ == '__main__':

-    #Create a new LVM instance

-    l = lvm.Liblvm()

-

     #What version

-    print 'lvm version=', l.getVersion()

+    print 'lvm version=', lvm.getVersion()

     #Get a list of volume group names

-    vg_names = l.listVgNames()

+    vg_names = lvm.listVgNames()

     #For each volume group display some information about each of them

     for vg_i in vg_names:

-        print_vg(l, vg_i)

+        print_vg(vg_i)

     #Demo creating a logical volume

-    create_delete_logical_volume(l)

+    create_delete_logical_volume()

-    #Close

-    l.close()