88 lines
3.4 KiB
Python
88 lines
3.4 KiB
Python
"""Kubernetes deployment controller"""
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from io import StringIO
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from kubernetes.client import OpenApiException
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from kubernetes.config import load_incluster_config, load_kube_config
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from kubernetes.config.config_exception import ConfigException
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from yaml import dump_all
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from passbook.outposts.controllers.base import BaseController, ControllerException
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from passbook.outposts.controllers.k8s.deployment import DeploymentReconciler
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from passbook.outposts.controllers.k8s.secret import SecretReconciler
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from passbook.outposts.controllers.k8s.service import ServiceReconciler
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from passbook.outposts.models import Outpost
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class KubernetesController(BaseController):
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"""Manage deployment of outpost in kubernetes"""
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def __init__(self, outpost: Outpost) -> None:
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super().__init__(outpost)
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try:
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load_incluster_config()
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except ConfigException:
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load_kube_config()
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def up(self):
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try:
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namespace = self.outpost.config.kubernetes_namespace
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secret_reconciler = SecretReconciler(self.outpost)
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secret_reconciler.namespace = namespace
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secret_reconciler.up()
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deployment_reconciler = DeploymentReconciler(self.outpost)
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deployment_reconciler.namespace = namespace
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deployment_reconciler.deployment_ports = self.deployment_ports
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deployment_reconciler.up()
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service_reconciler = ServiceReconciler(self.outpost)
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service_reconciler.namespace = namespace
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service_reconciler.deployment_ports = self.deployment_ports
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service_reconciler.up()
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except OpenApiException as exc:
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raise ControllerException from exc
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def down(self):
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try:
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namespace = self.outpost.config.kubernetes_namespace
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secret_reconciler = SecretReconciler(self.outpost)
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secret_reconciler.namespace = namespace
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secret_reconciler.down()
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deployment_reconciler = DeploymentReconciler(self.outpost)
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deployment_reconciler.namespace = namespace
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deployment_reconciler.deployment_ports = self.deployment_ports
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deployment_reconciler.down()
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service_reconciler = ServiceReconciler(self.outpost)
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service_reconciler.namespace = namespace
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service_reconciler.deployment_ports = self.deployment_ports
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service_reconciler.down()
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except OpenApiException as exc:
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raise ControllerException from exc
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def get_static_deployment(self) -> str:
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secret_reconciler = SecretReconciler(self.outpost)
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secret_reconciler.namespace = ""
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deployment_reconciler = DeploymentReconciler(self.outpost)
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deployment_reconciler.namespace = ""
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deployment_reconciler.deployment_ports = self.deployment_ports
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service_reconciler = ServiceReconciler(self.outpost)
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service_reconciler.namespace = ""
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service_reconciler.deployment_ports = self.deployment_ports
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with StringIO() as _str:
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dump_all(
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[
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secret_reconciler.get_reference_object().to_dict(),
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deployment_reconciler.get_reference_object().to_dict(),
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service_reconciler.get_reference_object().to_dict(),
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],
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stream=_str,
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default_flow_style=False,
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)
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return _str.getvalue()
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