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|
import pip
from cloudify import ctx
from cloudify.exceptions import NonRecoverableError
def _import_or_install():
try:
import yaml
except ImportError:
pip.main(["install", "pyaml"])
try:
import cloudify_kubernetes.tasks as kubernetes_plugin
except ImportError:
pip.main([
"install",
"https://github.com/cloudify-incubator/cloudify-kubernetes-plugin/archive/1.2.1rc1.zip"
])
import yaml
import cloudify_kubernetes.tasks as kubernetes_plugin
return yaml, kubernetes_plugin
def _retrieve_namespace():
namespace = ctx.node.properties.get(
'namespace',
ctx.node.properties
.get('options', {})
.get('namespace', None)
)
if not namespace:
raise NonRecoverableError(
'Namespace is not defined (node={})'.format(ctx.node.name)
)
return namespace
def _prepare_namespace_resource_template(name):
return {
'definition': {
'apiVersion': 'v1',
'kind': 'Namespace',
'metadata': {
'name': name,
'labels': {
'name': name
},
},
},
'api_mapping': {
'create': {
'api': 'CoreV1Api',
'method': 'create_namespace',
'payload': 'V1Namespace'
},
'read': {
'api': 'CoreV1Api',
'method': 'read_namespace',
},
'delete': {
'api': 'CoreV1Api',
'method': 'delete_namespace',
'payload': 'V1DeleteOptions'
}
}
}
def _save_deployment_result(key):
result = ctx.instance.runtime_properties['kubernetes']
ctx.instance.runtime_properties[key] = result
ctx.instance.runtime_properties['kubernetes'] = {}
def _do_create_namespace(kubernetes_plugin):
namespace = _retrieve_namespace()
ctx.logger.info('Creating namespace: {0}'.format(namespace))
namespace_resource_template = _prepare_namespace_resource_template(
namespace
)
ctx.logger.debug(
'Kubernetes object which will be deployed: {0}'
.format(namespace_resource_template)
)
kubernetes_plugin.custom_resource_create(**namespace_resource_template)
_save_deployment_result('namespace')
ctx.logger.info('Namespace created successfully')
if __name__ == '__main__':
_, kubernetes_plugin = _import_or_install()
_do_create_namespace(kubernetes_plugin)
|
