def do_action(self, context, resource, action, ssh=None):
'''
Issue action out-of-band to the given resource, making
sure that the resource is in maintenance mode first
'''
obj = cib_factory.find_object(resource)
if not obj:
context.fatal_error("Resource not found: %s" % (resource))
if not xmlutil.is_resource(obj.node):
context.fatal_error("Not a resource: %s" % (resource))
if not self._in_maintenance_mode(obj):
context.fatal_error("Not in maintenance mode.")
if ssh is None:
if action not in ('start', 'monitor'):
if not self._runs_on_this_node(resource):
context.fatal_error("Resource %s must be running on this node (%s)" %
(resource, utils.this_node()))
import rsctest
return rsctest.call_resource(obj.node, action, [utils.this_node()], local_only=True)
elif ssh == "ssh":
import rsctest
if action in ('start', 'promote', 'demote', 'recover', 'meta-data'):
return rsctest.call_resource(obj.node, action,
[utils.this_node()], local_only=True)
else:
all_nodes = cib_factory.node_id_list()
return rsctest.call_resource(obj.node, action, all_nodes, local_only=False)
else:
context.fatal_error("Unknown argument: %s" % (ssh))
def _push_completer(args):
try:
n = utils.list_cluster_nodes()
n.remove(utils.this_node())
return n
except:
n = []
def do_online(self, context, node=None):
'usage: online [<node>]'
if not node:
node = utils.this_node()
if not utils.is_name_sane(node):
return False
return utils.ext_cmd(self.node_standby % (node, "off", "--lifetime='forever'")) == 0
def _push_completer(args):
try:
n = utils.list_cluster_nodes()
n.remove(utils.this_node())
return n
except:
n = []
def do_ready(self, context, node=None):
'usage: ready [<node>]'
if not node:
node = utils.this_node()
if not utils.is_name_sane(node):
return False
return utils.ext_cmd(self.node_maint % (node, "off")) == 0
def runop(self, op, nodes=None, local_only=False):
'''
Execute an operation.
'''
if not nodes or self.run_on_all(op):
nodes = self.nodes
self.last_op = op
self.set_rscenv(op)
real_op = (op == "probe" and "monitor" or op)
cmd = self.exec_cmd(real_op)
common_debug("running %s on %s" % (real_op, nodes))
for attr in self.rscenv.keys():
# shell doesn't allow "-" in var names
envvar = attr.replace("-", "_")
cmd = "%s=%s %s" % (envvar, quote(self.rscenv[attr]), cmd)
if local_only:
self.ec_l[this_node()] = ext_cmd(cmd)
else:
from crm_pssh import do_pssh_cmd
statuses = do_pssh_cmd(cmd, nodes, self.outdir, self.errdir, self.timeout)
for i in range(len(nodes)):
try:
self.ec_l[nodes[i]] = statuses[i]
except:
self.ec_l[nodes[i]] = self.undef
return
def runop(self, op, nodes=None, local_only=False):
'''
Execute an operation.
'''
if not nodes or self.run_on_all(op):
nodes = self.nodes
self.last_op = op
self.set_rscenv(op)
real_op = (op == "probe" and "monitor" or op)
cmd = self.exec_cmd(real_op)
common_debug("running %s on %s" % (real_op, nodes))
for attr in self.rscenv.keys():
# shell doesn't allow "-" in var names
envvar = attr.replace("-", "_")
cmd = "%s=%s %s" % (envvar, quote(self.rscenv[attr]), cmd)
if local_only:
self.ec_l[this_node()] = ext_cmd(cmd)
else:
from crm_pssh import do_pssh_cmd
statuses = do_pssh_cmd(cmd, nodes, self.outdir, self.errdir,
self.timeout)
for i in range(len(nodes)):
try:
self.ec_l[nodes[i]] = statuses[i]
except:
self.ec_l[nodes[i]] = self.undef
return
def do_push(self, context, *nodes):
'''
Push corosync configuration to other cluster nodes.
If no nodes are provided, configuration is pushed to
all other cluster nodes.
'''
if not nodes:
nodes = utils.list_cluster_nodes()
nodes.remove(utils.this_node())
return corosync.push_configuration(nodes)
def do_push(self, context, *nodes):
'''
Push corosync configuration to other cluster nodes.
If no nodes are provided, configuration is pushed to
all other cluster nodes.
'''
if not nodes:
nodes = utils.list_cluster_nodes()
nodes.remove(utils.this_node())
return corosync.push_configuration(nodes)
def do_fence(self, context, node):
'usage: fence <node>'
if not node:
node = utils.this_node()
if not utils.is_name_sane(node):
return False
if not config.core.force and \
not utils.ask("Do you really want to shoot %s?" % node):
return False
return utils.ext_cmd(self.node_fence % (node)) == 0
def diff_configuration(nodes, checksum=False):
local_path = conf()
this_node = utils.this_node()
nodes = list(nodes)
if checksum:
utils.remote_checksum(local_path, nodes, this_node)
elif len(nodes) == 1:
utils.remote_diff_this(local_path, nodes, this_node)
elif this_node in nodes:
nodes.remove(this_node)
utils.remote_diff_this(local_path, nodes, this_node)
elif len(nodes):
utils.remote_diff(local_path, nodes)
def do_action(self, context, resource, action, ssh=None):
'''
Issue action out-of-band to the given resource, making
sure that the resource is in maintenance mode first
'''
obj = cib_factory.find_object(resource)
if not obj:
context.fatal_error("Resource not found: %s" % (resource))
if not xmlutil.is_resource(obj.node):
context.fatal_error("Not a resource: %s" % (resource))
if not self._in_maintenance_mode(obj):
context.fatal_error("Not in maintenance mode.")
if ssh is None:
if action not in ('start', 'monitor'):
if not self._runs_on_this_node(resource):
context.fatal_error(
"Resource %s must be running on this node (%s)" %
(resource, utils.this_node()))
import rsctest
return rsctest.call_resource(obj.node,
action, [utils.this_node()],
local_only=True)
elif ssh == "ssh":
import rsctest
if action in ('start', 'promote', 'demote', 'recover',
'meta-data'):
return rsctest.call_resource(obj.node,
action, [utils.this_node()],
local_only=True)
else:
all_nodes = cib_factory.node_id_list()
return rsctest.call_resource(obj.node,
action,
all_nodes,
local_only=False)
else:
context.fatal_error("Unknown argument: %s" % (ssh))
def do_clearstate(self, context, node=None):
'usage: clearstate <node>'
if not node:
node = utils.this_node()
if not utils.is_name_sane(node):
return False
if not config.core.force and \
not utils.ask("Do you really want to drop state for node %s?" % node):
return False
if utils.is_pcmk_118():
return utils.ext_cmd(self.node_clear_state_118 % node) == 0
else:
return utils.ext_cmd(self.node_clear_state % ("-M -c", node, node)) == 0 and \
utils.ext_cmd(self.node_clear_state % ("-R", node, node)) == 0
def do_clearstate(self, context, node=None):
'usage: clearstate <node>'
if not node:
node = utils.this_node()
if not utils.is_name_sane(node):
return False
if not config.core.force and \
not utils.ask("Do you really want to drop state for node %s?" % node):
return False
if utils.is_pcmk_118():
return utils.ext_cmd(self.node_clear_state_118 % node) == 0
else:
return utils.ext_cmd(self.node_clear_state % ("-M -c", node, node)) == 0 and \
utils.ext_cmd(self.node_clear_state % ("-R", node, node)) == 0
def _extract_localnode(hosts):
"""
Remove loal node from hosts list, so
we can treat it separately
"""
this_node = utils.this_node()
hosts2 = []
local_node = None
for h, p, u in hosts:
if h != this_node:
hosts2.append((h, p, u))
else:
local_node = (h, p, u)
err_buf.debug("Local node: %s, Remote hosts: %s" %
(local_node, ', '.join(h[0] for h in hosts2)))
return local_node, hosts2
def _extract_localnode(hosts):
"""
Remove loal node from hosts list, so
we can treat it separately
"""
this_node = utils.this_node()
hosts2 = []
local_node = None
for h, p, u in hosts:
if h != this_node:
hosts2.append((h, p, u))
else:
local_node = (h, p, u)
err_buf.debug("Local node: %s, Remote hosts: %s" % (
local_node,
', '.join(h[0] for h in hosts2)))
return local_node, hosts2
def do_diff(self, context, filename, *nodes):
"usage: diff <filename> [--checksum] [nodes...]. Diff file across cluster."
this_node = utils.this_node()
checksum = False
if len(nodes) and nodes[0] == '--checksum':
nodes = nodes[1:]
checksum = True
if not nodes:
nodes = utils.list_cluster_nodes()
if checksum:
utils.remote_checksum(filename, nodes, this_node)
elif len(nodes) == 1:
utils.remote_diff_this(filename, nodes, this_node)
elif this_node in nodes:
nodes.remove(this_node)
utils.remote_diff_this(filename, nodes, this_node)
elif len(nodes):
utils.remote_diff(filename, nodes)
def do_standby(self, context, *args):
'usage: standby [<node>] [<lifetime>]'
argl = list(args)
node = None
lifetime = utils.fetch_lifetime_opt(argl, iso8601=False)
if not argl:
node = utils.this_node()
elif len(argl) == 1:
node = args[0]
if not xmlutil.is_our_node(node):
common_err("%s: node name not recognized" % node)
return False
else:
syntax_err(args, context=context.get_command_name())
return False
opts = ''
if lifetime:
opts = "--lifetime='%s'" % lifetime
else:
opts = "--lifetime='forever'"
return utils.ext_cmd(self.node_standby % (node, "on", opts)) == 0
def do_standby(self, context, *args):
'usage: standby [<node>] [<lifetime>]'
argl = list(args)
node = None
lifetime = utils.fetch_lifetime_opt(argl, iso8601=False)
if not argl:
node = utils.this_node()
elif len(argl) == 1:
node = args[0]
if not xmlutil.is_our_node(node):
common_err("%s: node name not recognized" % node)
return False
else:
syntax_err(args, context=context.get_command_name())
return False
opts = ''
if lifetime:
opts = "--lifetime='%s'" % lifetime
else:
opts = "--lifetime='forever'"
return utils.ext_cmd(self.node_standby % (node, "on", opts)) == 0
def diff_configuration(nodes, checksum=False):
try:
from psshlib import api as pssh
_has_pssh = True
except ImportError:
_has_pssh = False
if not _has_pssh:
raise ValueError("PSSH is required to diff")
local_path = conf()
this_node = utils.this_node()
nodes = list(nodes)
if checksum or len(nodes) > 2:
_checksum(pssh, local_path, nodes, this_node)
elif len(nodes) == 1:
_diff_this(pssh, local_path, nodes, this_node)
elif this_node in nodes:
nodes.remove(this_node)
_diff_this(pssh, local_path, nodes, this_node)
elif len(nodes):
_diff(pssh, local_path, nodes)
def diff_configuration(nodes, checksum=False):
try:
from psshlib import api as pssh
_has_pssh = True
except ImportError:
_has_pssh = False
if not _has_pssh:
raise ValueError("PSSH is required to diff")
local_path = conf()
this_node = utils.this_node()
nodes = list(nodes)
if checksum or len(nodes) > 2:
_checksum(pssh, local_path, nodes, this_node)
elif len(nodes) == 1:
_diff_this(pssh, local_path, nodes, this_node)
elif this_node in nodes:
nodes.remove(this_node)
_diff_this(pssh, local_path, nodes, this_node)
elif len(nodes):
_diff(pssh, local_path, nodes)
def _runs_on_this_node(self, resource):
nodes = utils.running_on(resource)
return set(nodes) == set([utils.this_node()])
def _runs_on_this_node(self, resource):
nodes = utils.running_on(resource)
return set(nodes) == set([utils.this_node()])