def instance_stop(self, inst_id):
(success, message, inst) = self.__get_instance(inst_id)
if not success:
return (API.STATUS_FAIL, message)
log.set_logging_instance(inst)
try:
if inst.topology.state != Topology.STATE_RUNNING:
message = "Cannot start an instance that is in state '%s'" % (Topology.state_str[inst.topology.state])
return (API.STATUS_FAIL, message)
deployer_class = self.__get_deployer_class(inst)
deployer = deployer_class()
try:
deployer.set_instance(inst)
except DeploymentException, de:
message = "Deployer failed to initialize. %s " % de
return (API.STATUS_FAIL, message)
inst.topology.state = Topology.STATE_STOPPING
inst.topology.save()
nodes = inst.topology.get_nodes()
(success, message) = self.__stop_vms(deployer, nodes)
if not success:
inst.topology.state = Topology.STATE_FAILED
inst.topology.save()
return (API.STATUS_FAIL, message)
inst.topology.state = Topology.STATE_STOPPED
inst.topology.save()
log.info("Stopping Globus Online endpoints")
try:
eps = inst.topology.get_go_endpoints()
self.__globusonline_stop(inst, eps)
inst.topology.save()
except GlobusOnlineException, goe:
log.warning("Unable to stop GO endpoint/s: %s" % goe)
def instance_terminate(self, inst_id):
(success, message, inst) = self.__get_instance(inst_id)
if not success:
return (API.STATUS_FAIL, message)
log.set_logging_instance(inst)
try:
if inst.topology.state in [Topology.STATE_NEW]:
message = "Cannot terminate an instance that is in state '%s'" % (Topology.state_str[inst.topology.state])
return (API.STATUS_FAIL, message)
deployer_class = self.__get_deployer_class(inst)
deployer = deployer_class()
try:
deployer.set_instance(inst)
except DeploymentException, de:
message = "Deployer failed to initialize. %s " % de
return (API.STATUS_FAIL, message)
inst.topology.state = Topology.STATE_TERMINATING
inst.topology.save()
nodes = inst.topology.get_nodes()
(success, message) = self.__terminate_vms(deployer, nodes)
if not success:
inst.topology.state = Topology.STATE_FAILED
inst.topology.save()
return (API.STATUS_FAIL, message)
# Remove GO endpoints
eps = inst.topology.get_go_endpoints()
self.__globusonline_remove(inst, eps)
inst.topology.state = Topology.STATE_TERMINATED
inst.topology.save()
log.info("Instances have been terminated.")
return (API.STATUS_SUCCESS, "Success")
def instance_start(self, inst_id, extra_files, run_cmds):
(success, message, inst) = self.__get_instance(inst_id)
if not success:
return (API.STATUS_FAIL, message)
log.set_logging_instance(inst)
try:
deployer_class = self.__get_deployer_class(inst)
deployer = deployer_class(extra_files, run_cmds)
try:
deployer.set_instance(inst)
except DeploymentException, de:
message = "Deployer failed to initialize. %s " % de
return (API.STATUS_FAIL, message)
if inst.topology.state == Topology.STATE_NEW:
resuming = False
elif inst.topology.state == Topology.STATE_STOPPED:
resuming = True
else:
message = "Cannot start an instance that is in state '%s'" % (Topology.state_str[inst.topology.state])
return (API.STATUS_FAIL, message)
if not resuming:
inst.topology.state = Topology.STATE_STARTING
else:
inst.topology.state = Topology.STATE_RESUMING
inst.topology.save()
if not resuming:
try:
eps = inst.topology.get_go_endpoints()
self.__globusonline_pre_start(inst, eps)
except GlobusOnlineException, goe:
log.warning("Unable to create GO endpoint/s: %s" % goe)
def instance_stop(self, inst_id):
(success, message, inst) = self.__get_instance(inst_id)
if not success:
return (API.STATUS_FAIL, message)
log.set_logging_instance(inst_id)
try:
if inst.topology.state != Topology.STATE_RUNNING:
message = "Cannot start an instance that is in state '%s'" % (Topology.state_str[inst.topology.state])
return (API.STATUS_FAIL, message)
deployer_class = self.__get_deployer_class(inst)
deployer = deployer_class()
try:
deployer.set_instance(inst)
except DeploymentException, de:
message = "Deployer failed to initialize. %s " % de
return (API.STATUS_FAIL, message)
inst.topology.state = Topology.STATE_STOPPING
inst.topology.save()
nodes = inst.topology.get_nodes()
(success, message) = self.__stop_vms(deployer, nodes)
if not success:
inst.topology.state = Topology.STATE_FAILED
inst.topology.save()
return (API.STATUS_FAIL, message)
inst.topology.state = Topology.STATE_STOPPED
inst.topology.save()
log.info("Instances have been stopped running.")
return (API.STATUS_SUCCESS, "Success")
def instance_start(self, inst_id, extra_files, run_cmds):
(success, message, inst) = self.__get_instance(inst_id)
if not success:
return (API.STATUS_FAIL, message)
log.set_logging_instance(inst_id)
try:
deployer_class = self.__get_deployer_class(inst)
deployer = deployer_class(extra_files, run_cmds)
try:
deployer.set_instance(inst)
except DeploymentException, de:
message = "Deployer failed to initialize. %s " % de
return (API.STATUS_FAIL, message)
if inst.topology.state == Topology.STATE_NEW:
resuming = False
elif inst.topology.state == Topology.STATE_STOPPED:
resuming = True
else:
message = "Cannot start an instance that is in state '%s'" % (Topology.state_str[inst.topology.state])
return (API.STATUS_FAIL, message)
if not resuming:
inst.topology.state = Topology.STATE_STARTING
else:
inst.topology.state = Topology.STATE_RESUMING
inst.topology.save()
nodes = inst.topology.get_nodes()
(success, message, node_vm) = self.__allocate_vms(deployer, nodes, resuming)
if not success:
inst.topology.state = Topology.STATE_FAILED
inst.topology.save()
return (API.STATUS_FAIL, message)
inst.topology.state = Topology.STATE_CONFIGURING
inst.topology.save()
log.info("Instances are running.")
for node, vm in node_vm.items():
deployer.post_allocate(node, vm)
inst.topology.save()
# Generate certificates
if not resuming:
inst.gen_certificates(force_hosts=False, force_users=False)
else:
inst.gen_certificates(force_hosts=True, force_users=False)
inst.topology.gen_chef_ruby_file(inst.instance_dir + "/topology.rb")
inst.topology.gen_hosts_file(inst.instance_dir + "/hosts")
log.info("Setting up Globus Provision on instances")
(success, message) = self.__configure_vms(deployer, node_vm)
if not success:
inst.topology.state = Topology.STATE_FAILED
inst.topology.save()
return (API.STATUS_FAIL, message)
inst.topology.state = Topology.STATE_RUNNING
inst.topology.save()
return (API.STATUS_SUCCESS, "Success")
def instance_update(self, inst_id, topology_json, extra_files, run_cmds):
try:
(success, message, inst) = self.__get_instance(inst_id)
if not success:
return (API.STATUS_FAIL, message)
log.set_logging_instance(inst_id)
if inst.topology.state != Topology.STATE_RUNNING:
message = "Cannot update the topology of an instance that is in state '%s'" % (Topology.state_str[inst.topology.state])
return (API.STATUS_FAIL, message)
deployer_class = self.__get_deployer_class(inst)
deployer = deployer_class(extra_files, run_cmds)
try:
deployer.set_instance(inst)
except DeploymentException, de:
message = "Deployer failed to initialize. %s " % de
return (API.STATUS_FAIL, message)
if topology_json != None:
old_topology = inst.topology
try:
(success, message, create_hosts, destroy_hosts) = inst.update_topology(topology_json)
except ObjectValidationException, ove:
message = "Error in topology file: %s" % ove
return (API.STATUS_FAIL, message)
nodes = inst.topology.get_nodes()
if len(destroy_hosts) > 0:
old_nodes = old_topology.get_nodes()
log.info("Terminating hosts %s" % destroy_hosts)
old_nodes = [n for n in old_nodes if n.id in destroy_hosts]
(success, message) = self.__terminate_vms(deployer, old_nodes)
if not success:
inst.topology.state = Topology.STATE_FAILED
inst.topology.save()
return (API.STATUS_FAIL, message)
inst.topology.save()
if len(create_hosts) > 0:
nodes = inst.topology.get_nodes()
log.info("Allocating VMs for hosts %s" % create_hosts)
new_nodes = [n for n in nodes if n.id in create_hosts]
(success, message, node_vm) = self.__allocate_vms(deployer, new_nodes, resuming = False)
if not success:
inst.topology.state = Topology.STATE_FAILED
inst.topology.save()
return (API.STATUS_FAIL, message)
inst.topology.save()
for node, vm in node_vm.items():
deployer.post_allocate(node, vm)
inst.topology.save()
# Generate certificates
inst.gen_certificates()
inst.topology.gen_chef_ruby_file(inst.instance_dir + "/topology.rb")
inst.topology.gen_hosts_file(inst.instance_dir + "/hosts")
def instance_update(self, inst_id, topology_json, extra_files, run_cmds):
try:
(success, message, inst) = self.__get_instance(inst_id)
if not success:
return (API.STATUS_FAIL, message)
log.set_logging_instance(inst)
if inst.topology.state == Topology.STATE_NEW:
# If the topology is still in a New state, we simply
# validate that the update is valid, and replace
# the old topology. We don't need to deploy or
# configure any hosts..
if topology_json != None:
(success, message, topology_changes) = inst.update_topology(topology_json)
if not success:
message = "Error in topology file: %s" % message
return (API.STATUS_FAIL, message)
return (API.STATUS_SUCCESS, "Success")
elif inst.topology.state not in (Topology.STATE_RUNNING, Topology.STATE_FAILED):
message = "Cannot update the topology of an instance that is in state '%s'" % (Topology.state_str[inst.topology.state])
return (API.STATUS_FAIL, message)
deployer_class = self.__get_deployer_class(inst)
deployer = deployer_class(extra_files, run_cmds)
try:
deployer.set_instance(inst)
except DeploymentException, de:
message = "Deployer failed to initialize. %s " % de
return (API.STATUS_FAIL, message)
if topology_json != None:
old_topology = inst.topology
try:
(success, message, topology_changes) = inst.update_topology(topology_json)
if not success:
return (API.STATUS_FAIL, message)
except ObjectValidationException, ove:
message = "Error in topology file: %s" % ove
return (API.STATUS_FAIL, message)
create_hosts = []
destroy_hosts = []
create_endpoints = []
remove_endpoints = []
if topology_changes.changes.has_key("domains"):
for domain in topology_changes.changes["domains"].add:
d = inst.topology.domains[domain]
create_hosts += [n.id for n in d.nodes.values()]
for domain in topology_changes.changes["domains"].remove:
d = inst.topology.domains[domain].keys()
destroy_hosts += [n.id for n in d.nodes.values()]
for domain in topology_changes.changes["domains"].edit:
if topology_changes.changes["domains"].edit[domain].changes.has_key("nodes"):
nodes_changes = topology_changes.changes["domains"].edit[domain].changes["nodes"]
create_hosts += nodes_changes.add
destroy_hosts += nodes_changes.remove
if topology_changes.changes["domains"].edit[domain].changes.has_key("go_endpoints"):
ep_changes = topology_changes.changes["domains"].edit[domain].changes["go_endpoints"]
if ep_changes.change_type == PropertyChange.ADD:
create_endpoints += inst.topology.domains[domain].go_endpoints
elif ep_changes.change_type == PropertyChange.REMOVE:
remove_endpoints += old_topology.domains[domain].go_endpoints
elif ep_changes.change_type == PropertyChange.EDIT:
create_endpoints += ep_changes.add
remove_endpoints += ep_changes.remove
nodes = inst.topology.get_nodes()
if len(destroy_hosts) > 0:
old_nodes = old_topology.get_nodes()
log.info("Terminating hosts %s" % destroy_hosts)
old_nodes = [n for n in old_nodes if n.id in destroy_hosts]
(success, message) = self.__terminate_vms(deployer, old_nodes)
if not success:
inst.topology.state = Topology.STATE_FAILED
inst.topology.save()
return (API.STATUS_FAIL, message)
inst.topology.save()
if len(create_endpoints) > 0:
try:
self.__globusonline_pre_start(inst, create_endpoints)
except GlobusOnlineException, goe:
log.warning("Unable to create GO endpoint/s: %s" % goe)
