| |
| # Copyright 2017-present Open Networking Foundation |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| import base64 |
| import jinja2 |
| import json |
| from synchronizers.new_base.modelaccessor import * |
| from synchronizers.new_base.policy import Policy |
| |
| from xosconfig import Config |
| from multistructlog import create_logger |
| |
| log = create_logger(Config().get('logging')) |
| |
| class VEpcServiceInstancePolicy(Policy): |
| model_name = "VEpcServiceInstance" |
| |
| def handle_create(self, service_instance): |
| return self.handle_update(service_instance) |
| |
| # def render_index(self, service_instance): |
| # service = service_instance.owner.leaf_model |
| |
| # fields = {} |
| # fields['tenant_message'] = service_instance.tenant_message |
| # fields['service_message'] = service.service_message |
| |
| # if service_instance.foreground_color: |
| # fields["foreground_color"] = service_instance.foreground_color.html_code |
| |
| # if service_instance.background_color: |
| # fields["background_color"] = service_instance.background_color.html_code |
| |
| # images=[] |
| # for image in service_instance.embedded_images.all(): |
| # images.append({"name": image.name, |
| # "url": image.url}) |
| # fields["images"] = images |
| |
| # template_fn = os.path.join(os.path.abspath(os.path.dirname(os.path.realpath(__file__))), "index.html.j2") |
| # template = jinja2.Template(open(template_fn).read()) |
| |
| # return template.render(fields) |
| |
| def handle_update(self, service_instance): |
| # if not service_instance.compute_instance: |
| |
| # # TODO: Break dependency |
| # compute_service = KubernetesService.objects.first() |
| # compute_service_instance_class = Service.objects.get(id=compute_service.id).get_service_instance_class() |
| |
| # vepcservice = service_instance.owner.leaf_model |
| |
| # # TODO: What if there is the wrong number of slices? |
| # slice = vepcservice.slices.first() |
| |
| |
| # # TODO: What if there is no default image? |
| # # image = slice.default_image |
| |
| # images = service_instance.images.all() |
| |
| # # TODO: Gopi: Create the XOS Image object for each container |
| # # TODO: Gopi: Might have to extend the K8S synch to support multiple containers in a K8S pod |
| # # TODO: Gopi: Will have to extend the K8S sync to support StatefulSets |
| |
| # docker_images = [] |
| # for image in images: |
| # # TODO: Gopi: WORK ON THIS LOOP. THE Names need to be explicit now |
| # # TODO: slice = vepcservice.slices.get(name="mysite_vepcservice_mme") |
| # docker_image = "%s:%s" % (image.image_name, image.image_tag) |
| # compute_service_instance = compute_service_instance_class(slice=slice, owner=compute_service, image=docker_image, name=image.component_name) # Might need this at some point if I use configmap/secret: no_sync=True |
| # compute_service_instance.save() |
| |
| # # # Create a configmap and attach it to the compute instance |
| # # data = {"index.html": self.render_index(service_instance)} |
| # # cfmap = KubernetesConfigMap(name="vepcserviceinstance-map-%s" % service_instance.id, |
| # # trust_domain=slice.trust_domain, |
| # # data=json.dumps(data)) |
| # # cfmap.save() |
| # # cfmap_mnt = KubernetesConfigVolumeMount(config=cfmap, |
| # # service_instance=compute_service_instance, |
| # # mount_path="/usr/local/apache2/htdocs") |
| # # cfmap_mnt.save() |
| |
| # # # Create a secret and attach it to the compute instance |
| # # data = {"service_secret.txt": base64.b64encode(str(vepcservice.service_secret)), |
| # # "tenant_secret.txt": base64.b64encode(str(service_instance.tenant_secret))} |
| # # secret = KubernetesSecret(name="vepcserviceinstance-secret-%s" % service_instance.id, |
| # # trust_domain=slice.trust_domain, |
| # # data=json.dumps(data)) |
| # # secret.save() |
| # # secret_mnt = KubernetesSecretVolumeMount(secret=secret, service_instance=compute_service_instance, mount_path="/usr/local/apache2/secrets") |
| # # secret_mnt.save() |
| |
| # # compute_service_instance.no_sync = False |
| # # compute_service_instance.save(update_fields=["no_sync"]) |
| |
| # # TODO: Gopi/Scott revisit this to make it more robust to declare |
| # # the K8S service instances dynamically |
| # service_instance.compute_instance_mme = compute_service_instance_mme |
| # service_instance.save(update_fields=["compute_instance_mme"]) |
| # service_instance.compute_instance_hss = compute_service_instance_hss |
| # service_instance.save(update_fields=["compute_instance_hss"]) |
| # service_instance.compute_instance_hssdb = compute_service_instance_hssdb |
| # service_instance.save(update_fields=["compute_instance_hssdb"]) |
| # service_instance.compute_instance_spgw = compute_service_instance_spgw |
| # service_instance.save(update_fields=["compute_instance_spgw"]) |
| # else: |
| # # TODO: Gopi: Need to handle the scenario of multiple compute instances representing the K8S Pods |
| # compute_instance = service_instance.compute_instance |
| # mnt = compute_instance.leaf_model.kubernetes_config_volume_mounts.first() |
| # config = mnt.config |
| # new_data = json.dumps({"index.html": self.render_index(service_instance)}) |
| # if (new_data != config.data): |
| # config.data = new_data |
| # config.save(always_update_timestamp=True) |
| # # Force the Kubernetes syncstep |
| # compute_instance.save(always_update_timestamp=True) |
| pass |
| |
| def handle_delete(self, service_instance): |
| # TODO: Gopi: Need to handle the scenario of multiple compute instances representing the K8S Pods |
| # log.info("handle_delete") |
| # if service_instance.compute_instance: |
| # log.info("has a compute_instance") |
| # service_instance.compute_instance.delete() |
| # service_instance.compute_instance = None |
| # # TODO: I'm not sure we can save things that are being deleted... |
| # service_instance.save(update_fields=["compute_instance"]) |
| pass |