def GenerateBackends(context):
"""Generates dictionary of IGMs connected to a backeend service."""
name = context.env['name']
prop = context.properties
replicas = prop[REPLICAS]
backends = []
for zone_dict in replicas:
short_abbrv = common.ShortenZoneName(zone_dict[default.ZONE])
ig_name = common.AutoName(name, default.IGM, short_abbrv)
zone_dict[GEN_NAME] = ig_name
backend = {'name': ig_name, 'group': common.RefGroup(ig_name)}
backends.append(backend)
prop[GENERATED_PROP][REPLICAS] = copy.deepcopy(replicas)
return backends
def generate_config(context):
# This method will:
# 1. Create a instance template for a security GW
# (with a tag for the managing security server)
# 2. Create a managed instance group
# (based on the instance template and zones list provided by the user)
# 3. Configure autoscaling
# (based on min, max & policy settings provided by the user)
prop = context.properties
prop['deployment'] = context.env['deployment']
prop['project'] = context.env['project']
prop['templateName'] = TEMPLATE_NAME
prop['templateVersion'] = TEMPLATE_VERSION
prop['allowUploadDownload'] = str(prop['allowUploadDownload']).lower()
prop['hasInternet'] = 'true' # via Google Private Access
prop['installationType'] = 'AutoScale'
prop['resources'] = []
prop['outputs'] = []
prop['gw_dependencies'] = []
prop['computed_sic_key'] = password.GeneratePassword(12, False)
prop['gatewayExternalIP'] = (
prop['mgmtNIC'] == 'Ephemeral Public IP (eth0)')
version_chosen = prop['autoscalingVersion'].split(' ')[0] + "-GW"
nics = create_nics(context)
gw_template = create_instance_template(context,
prop['deployment'],
nics,
depends_on=prop['gw_dependencies'],
gw_version=VERSIONS[version_chosen])
prop['resources'] += [gw_template]
prop['igm_dependencies'] = [gw_template['name']]
igm = GenerateAutscaledGroup(context, prop['deployment'],
gw_template['name'], prop['igm_dependencies'])
prop['resources'] += [igm]
prop['autoscaler_dependencies'] = [igm['name']]
cpu_usage = prop.get("cpuUsage")
autoscaler = CreateAutscaler(context, prop['deployment'], igm['name'],
cpu_usage, prop['autoscaler_dependencies'])
prop['resources'] += [autoscaler]
prop['outputs'] += [
{
'name': 'deployment',
'value': prop['deployment']
},
{
'name': 'project',
'value': prop['project']
},
{
'name': 'instanceTemplateName',
'value': gw_template['name']
},
{
'name': 'InstanceTemplateLink',
'value': common.Ref(gw_template['name'])
},
{
'name': 'IGMname',
'value': igm['name']
},
{
'name': 'IGMLink',
'value': common.RefGroup(igm['name'])
},
{
'name': 'cpuUsagePercentage',
'value': str(int(prop['cpuUsage'])) + '%'
},
{
'name': 'minInstancesInt',
'value': str(int(prop['minInstances']))
},
{
'name': 'maxInstancesInt',
'value': str(int(prop['maxInstances']))
},
]
return common.MakeResource(prop['resources'], prop['outputs'])