def _construct_ec2_params(self, lab_spec):
"""
Returns a tuple of AWS VM parameters - the AMI id and the instance type
based on the runtime parameters in the lab_spec
"""
# get the availabe instance types from the config
available_instance_types = config.available_instance_types
# get the vm specs from the lab spec
vm_spec = self._get_vm_spec(lab_spec)
# derive hostname from the slug given in labspec
if 'slug' in lab_spec['lab']['description']:
slug = lab_spec['lab']['description']['slug']
hostname = "%s.%s" % (slug, base_config.HOST_NAME)
else:
if vm_spec["lab_ID"] == "":
lab_ID = base_adapter.get_test_lab_id()
else:
lab_ID = vm_spec["lab_ID"]
hostname = "%s.%s" % (lab_ID, base_adapter.get_adapter_hostname())
logger.debug("AWSAdapter: hostname of the lab: %s" % hostname)
# pass OS and OS version and get a relavant AMI id for the corresponding
# image
ami_id = base_adapter.find_os_template(vm_spec["os"],
vm_spec["os_version"],
config.supported_amis)
# use someone's super intelligent method to get RAM in megs- in a string
# with 'M' appended at the end!! </sarcasm>
(ram, swap) = vm_utils.get_ram_swap(vm_spec["ram"], vm_spec["swap"])
# convert stupid RAM string in 'M' to an integer
# no idea why would one deal with RAM values in strings!!
ram = int(ram[:-1])
if ram <= 1024:
instance_type = available_instance_types[0]['instance_type']
else:
instance_type = available_instance_types[1]['instance_type']
return (ami_id, instance_type)
def _construct_ec2_params(self, lab_spec):
"""
Returns a tuple of AWS VM parameters - the AMI id and the instance type
based on the runtime parameters in the lab_spec
"""
# get the availabe instance types from the config
available_instance_types = config.available_instance_types
# get the vm specs from the lab spec
vm_spec = self._get_vm_spec(lab_spec)
# derive hostname from the slug given in labspec
if 'slug' in lab_spec['lab']['description']:
slug = lab_spec['lab']['description']['slug']
hostname = "%s.%s" % (slug, base_config.HOST_NAME)
else:
if vm_spec["lab_ID"] == "":
lab_ID = base_adapter.get_test_lab_id()
else:
lab_ID = vm_spec["lab_ID"]
hostname = "%s.%s" % (lab_ID, base_adapter.get_adapter_hostname())
logger.debug("AWSAdapter: hostname of the lab: %s" % hostname)
# pass OS and OS version and get a relavant AMI id for the corresponding
# image
ami_id = base_adapter.find_os_template(vm_spec["os"],
vm_spec["os_version"],
config.supported_amis)
# use someone's super intelligent method to get RAM in megs- in a string
# with 'M' appended at the end!! </sarcasm>
(ram, swap) = vm_utils.get_ram_swap(vm_spec["ram"], vm_spec["swap"])
# convert stupid RAM string in 'M' to an integer
# no idea why would one deal with RAM values in strings!!
ram = int(ram[:-1])
if ram <= 1024:
instance_type = available_instance_types[0]['instance_type']
else:
instance_type = available_instance_types[1]['instance_type']
return (ami_id, instance_type)
def construct_vzctl_args(self, lab_specz={}):
""" Returns a tuple of vzctl create arguments and set arguments """
def get_vm_spec():
lab_spec = dict2default(lab_specz)
vm_spec = {
"lab_ID": lab_spec['lab']['description']['id'],
"os": lab_spec['lab']['runtime_requirements']['platform']['os'],
"os_version": lab_spec['lab']['runtime_requirements']
['platform']['osVersion'],
"ram": lab_spec['lab']['runtime_requirements']['platform']
['memory']['min_required'],
"diskspace": lab_spec['lab']['runtime_requirements']
['platform']['storage']['min_required'],
"swap": lab_spec['lab']['runtime_requirements']['platform']
['memory']['swap']
}
return vm_spec
vm_spec = get_vm_spec()
lab_ID = None
if vm_spec["lab_ID"] == "":
lab_ID = base_adapter.get_test_lab_id()
else:
lab_ID = vm_spec["lab_ID"]
host_name = lab_ID + "." + base_adapter.get_adapter_hostname()
ip_address = base_adapter.find_available_ip()
os_template = base_adapter.find_os_template(vm_spec["os"],
vm_spec["os_version"],
config.supported_template)
(ram, swap) = vm_utils.get_ram_swap(vm_spec["ram"], vm_spec["swap"])
(disk_soft, disk_hard) = vm_utils.get_disk_space(vm_spec["diskspace"])
vm_create_args = " --ostemplate " + os_template + \
" --ipadd " + ip_address + \
" --diskspace " + disk_soft + ":" + disk_hard + \
" --hostname " + host_name
# Note to self: check ram format "0:256M" vs "256M"
vm_set_args = " --nameserver " + base_config.ADAPTER_NAME_SERVER + \
" --ram " + ram + \
" --swap " + swap + \
" --onboot yes" + \
" --save"
return (vm_create_args, vm_set_args)