def resource_remove(resource_id, output = True):
group = utils.get_cib_xpath('//resources/group/primitive[@id="'+resource_id+'"]/..')
num_resources_in_group = 0
master = utils.get_cib_xpath('//resources/master/primitive[@id="'+resource_id+'"]/..')
clone = utils.get_cib_xpath('//resources/clone/primitive[@id="'+resource_id+'"]/..')
if not utils.does_exist('//resources/descendant::primitive[@id="'+resource_id+'"]'):
if utils.does_exist('//resources/master[@id="'+resource_id+'"]'):
return resource_master_remove([resource_id])
print "Error: Resource does not exist."
sys.exit(1)
if (group != ""):
num_resources_in_group = len(parseString(group).documentElement.getElementsByTagName("primitive"))
if (group == "" or num_resources_in_group > 1):
if clone != "":
args = ["cibadmin", "-o", "resources", "-D", "--xml-text", clone]
elif master != "":
args = ["cibadmin", "-o", "resources", "-D", "--xml-text", master]
else:
args = ["cibadmin", "-o", "resources", "-D", "--xpath", "//primitive[@id='"+resource_id+"']"]
constraints = constraint.find_constraints_containing(resource_id)
for c in constraints:
if output == True:
print "Removing Constraint - " + c
constraint.constraint_rm([c])
if output == True:
print "Deleting Resource - " + resource_id
output,retVal = utils.run(args)
if retVal != 0:
print "Unable to remove resource: %s, it may still be referenced in constraints." % resource_id
sys.exit(1)
return False
else:
args = ["cibadmin", "-o", "resources", "-D", "--xml-text", group]
if output == True:
print "Deleting Resource (and group) - " + resource_id
cmdoutput,retVal = utils.run(args)
if retVal != 0:
if output == True:
print "ERROR: Unable to remove resource '%s' (do constraints exist?)" % (resource_id)
return False
# Only clean up resource if we're *not* using a file (otherwise we get a 60s timeout)
if (not utils.usefile):
args = ["crm_resource","-C","-r",resource_id]
cmdoutput, retVal = utils.run(args)
# We don't currently check output because the resource may have already been
# properly cleaned up
return True
def resource_group_add(group_name, resource_ids):
group_xpath = "//group[@id='"+group_name+"']"
group_xml = utils.get_cib_xpath(group_xpath)
if (group_xml == ""):
impl = getDOMImplementation()
newdoc = impl.createDocument(None, "group", None)
element = newdoc.documentElement
element.setAttribute("id", group_name)
xml_resource_string = element.toxml()
else:
element = parseString(group_xml).documentElement
resources_to_move = ""
for resource_id in resource_ids:
# If resource already exists in group then we skip
if (utils.get_cib_xpath("//group[@id='"+group_name+"']/primitive[@id='"+resource_id+"']") != ""):
print resource_id + " already exists in " + group_name + "\n"
continue
args = ["cibadmin", "-o", "resources", "-Q", "--xpath", "//primitive[@id='"+resource_id+"']"]
output,retVal = utils.run(args)
if (retVal != 0):
print "Bad resource: " + resource_id
continue
print "Query for " + resource_id,
print output
resources_to_move = resources_to_move + output
print "Delete " + resource_id,
resource_remove(resource_id)
if (resources_to_move != ""):
print "Resources to Move:",
print resources_to_move
resources_to_move = "<resources>" + resources_to_move + "</resources>"
resource_children = parseString(resources_to_move).documentElement
print "Child Nodes:\n"
print resource_children.toprettyxml()
for child in resource_children.childNodes:
element.appendChild(child)
xml_resource_string = element.toprettyxml()
print "New Group String",
print xml_resource_string
args = ["cibadmin", "-o", "resources", "-c", "-M", "-X", xml_resource_string]
output,retval = utils.run(args)
print output,
else:
print "No resources to add.\n"
sys.exit(1)
def resource_manage(argv, set_managed):
if len(argv) == 0:
usage.resource()
sys.exit(1)
for resource in argv:
if not utils.does_exist("//primitive[@id='"+resource+"']"):
print "Error: %s doesn't exist." % resource
sys.exit(1)
exists = utils.does_exist("//primitive[@id='"+resource+"']/meta_attributes/nvpair[@name='is-managed']")
if set_managed and not exists:
print "Error: %s is already managed" % resource
sys.exit(1)
elif not set_managed and exists:
print "Error: %s is already unmanaged" % resource
sys.exit(1)
for resource in argv:
if not set_managed:
(output, retval) = utils.set_unmanaged(resource)
if retval != 0:
print "Error attempting to unmanage resource: %s" % output
sys.exit(1)
else:
xpath = "//primitive[@id='"+resource+"']/meta_attributes/nvpair[@name='is-managed']"
my_xml = utils.get_cib_xpath(xpath)
utils.remove_from_cib(my_xml)
def resource_remove(resource_id, output = True):
group = utils.get_cib_xpath('//resources/group/primitive[@id="'+resource_id+'"]/..')
num_resources_in_group = 0
if (group != ""):
num_resources_in_group = len(parseString(group).documentElement.getElementsByTagName("primitive"))
if (group == "" or num_resources_in_group > 1):
args = ["cibadmin", "-o", "resources", "-D", "--xpath", "//primitive[@id='"+resource_id+"']"]
if output == True:
print "Deleting Resource - " + resource_id,
output,retVal = utils.run(args)
if retVal != 0:
return False
else:
args = ["cibadmin", "-o", "resources", "-D", "--xml-text", group]
if output == True:
print "Deleting Resource (and group) - " + resource_id
cmdoutput,retVal = utils.run(args)
if retVal != 0:
if output == True:
print "ERROR: Unable to remove resource '%s' (do constraints exist?)" % (resource_id)
return False
args = ["crm_resource","-C","-r",resource_id]
cmdoutput, retVal = utils.run(args)
# We don't currently check output because the resource may have already been
# properly cleaned up
return True
def getCurrentConstraints():
current_constraints_xml = utils.get_cib_xpath('//constraints')
# Verify current constraint doesn't already exist
# If it does we replace it with the new constraint
dom = parseString(current_constraints_xml)
constraintsElement = dom.getElementsByTagName('constraints')[0]
return (dom, constraintsElement)
def getCurrentConstraints():
current_constraints_xml = utils.get_cib_xpath('//constraints')
if current_constraints_xml == "":
utils.err("unable to process cib")
# Verify current constraint doesn't already exist
# If it does we replace it with the new constraint
dom = parseString(current_constraints_xml)
constraintsElement = dom.getElementsByTagName('constraints')[0]
return (dom, constraintsElement)
def getCurrentConstraints():
current_constraints_xml = utils.get_cib_xpath('//constraints')
if current_constraints_xml == "":
print "Error: unable to process cib"
sys.exit(1)
# Verify current constraint doesn't already exist
# If it does we replace it with the new constraint
dom = parseString(current_constraints_xml)
constraintsElement = dom.getElementsByTagName('constraints')[0]
return (dom, constraintsElement)
def getCurrentConstraints(passed_dom=None):
if passed_dom:
dom = passed_dom
else:
current_constraints_xml = utils.get_cib_xpath('//constraints')
if current_constraints_xml == "":
utils.err("unable to process cib")
# Verify current constraint doesn't already exist
# If it does we replace it with the new constraint
dom = parseString(current_constraints_xml)
constraintsElement = dom.getElementsByTagName('constraints')[0]
return (dom, constraintsElement)
def resource_remove(resource_id):
group = utils.get_cib_xpath('//resources/group/primitive[@id="'+resource_id+'"]/..')
num_resources_in_group = 0
if (group != ""):
num_resources_in_group = len(parseString(group).documentElement.getElementsByTagName("primitive"))
if (group == "" or num_resources_in_group > 1):
args = ["cibadmin", "-o", "resources", "-D", "--xpath", "//primitive[@id='"+resource_id+"']"]
print "Deleting Resource - " + resource_id,
output,retVal = utils.run(args)
else:
args = ["cibadmin", "-o", "resources", "-D", "--xml-text", group]
print "Deleting Resource (and group) - " + resource_id,
output,retVal = utils.run(args)
def resource_group_rm(group_name, resource_ids):
resource_id = resource_ids[0]
group_xpath = "//group[@id='"+group_name+"']"
group_xml = utils.get_cib_xpath(group_xpath)
if group_xml == "":
print "ERROR: Group '%s' does not exist" % group_name
sys.exit(1)
for resource_id in resource_ids:
element = parseString(group_xml).documentElement
resource_xml = utils.get_cib_xpath("//group[@id='"+group_name+"']/primitive[@id='"+resource_id+"']")
if resource_xml == "":
print "ERROR Resource '%s' does not exist in group '%s'" % (resource_id, group_name)
sys.exit(1)
if not resource_remove(resource_id, False):
print "Unable to move resource"
sys.exit(1)
output, retval = utils.add_to_cib("resources", resource_xml)
if retval != 0:
print "ERROR: Unable to re-add resource"
print output
sys.exit(1)
return True
def resource_group_list(argv):
group_xpath = "//group"
group_xml = utils.get_cib_xpath(group_xpath)
# If no groups exist, we silently return
if (group_xml == ""):
return
element = parseString(group_xml).documentElement
# If there is more than one group returned it's wrapped in an xpath-query
# element
if element.tagName == "xpath-query":
elements = element.getElementsByTagName("group")
else:
elements = [element]
for e in elements:
print e.getAttribute("id") + ":",
for resource in e.getElementsByTagName("primitive"):
print resource.getAttribute("id"),
print ""
