from typing import Dict
import typing
import uuid
+import json
from distutils.version import LooseVersion
CORE_CLIENT = "core_v1"
RBAC_CLIENT = "rbac_v1"
STORAGE_CLIENT = "storage_v1"
+CUSTOM_OBJECT_CLIENT = "custom_object"
class Kubectl:
CORE_CLIENT: client.CoreV1Api(),
RBAC_CLIENT: client.RbacAuthorizationV1Api(),
STORAGE_CLIENT: client.StorageV1Api(),
+ CUSTOM_OBJECT_CLIENT: client.CustomObjectsApi(),
}
self._configuration = config.kube_config.Configuration.get_default_copy()
self.logger = logging.getLogger("Kubectl")
base64.b64decode(token).decode("utf-8"),
base64.b64decode(client_certificate_data).decode("utf-8"),
)
+
+ async def create_certificate(
+ self,
+ namespace: str,
+ name: str,
+ dns_prefix: str,
+ secret_name: str,
+ usages: list,
+ issuer_name: str,
+ ):
+ """
+ Creates cert-manager certificate object
+
+ :param: namespace: Name of the namespace where the certificate and secret is stored
+ :param: name: Name of the certificate object
+ :param: dns_prefix: Prefix for the dnsNames. They will be prefixed to the common k8s svc suffixes
+ :param: secret_name: Name of the secret created by cert-manager
+ :param: usages: List of X.509 key usages
+ :param: issuer_name: Name of the cert-manager's Issuer or ClusterIssuer object
+
+ """
+ certificate_body = {
+ "apiVersion": "cert-manager.io/v1",
+ "kind": "Certificate",
+ "metadata": {"name": name, "namespace": namespace},
+ "spec": {
+ "secretName": secret_name,
+ "privateKey": {
+ "rotationPolicy": "Always",
+ "algorithm": "ECDSA",
+ "size": 256,
+ },
+ "duration": "8760h", # 1 Year
+ "renewBefore": "2208h", # 9 months
+ "subject": {"organizations": ["osm"]},
+ "commonName": "osm",
+ "isCA": False,
+ "usages": usages,
+ "dnsNames": [
+ "{}.{}".format(dns_prefix, namespace),
+ "{}.{}.svc".format(dns_prefix, namespace),
+ "{}.{}.svc.cluster".format(dns_prefix, namespace),
+ "{}.{}.svc.cluster.local".format(dns_prefix, namespace),
+ ],
+ "issuerRef": {"name": issuer_name, "kind": "ClusterIssuer"},
+ },
+ }
+ client = self.clients[CUSTOM_OBJECT_CLIENT]
+ try:
+ client.create_namespaced_custom_object(
+ group="cert-manager.io",
+ plural="certificates",
+ version="v1",
+ body=certificate_body,
+ namespace=namespace,
+ )
+ except ApiException as e:
+ info = json.loads(e.body)
+ if info.get("reason").lower() == "alreadyexists":
+ self.logger.warning("Certificate already exists: {}".format(e))
+ else:
+ raise e
+
+ async def delete_certificate(self, namespace, object_name):
+ client = self.clients[CUSTOM_OBJECT_CLIENT]
+ try:
+ client.delete_namespaced_custom_object(
+ group="cert-manager.io",
+ plural="certificates",
+ version="v1",
+ name=object_name,
+ namespace=namespace,
+ )
+ except ApiException as e:
+ info = json.loads(e.body)
+ if info.get("reason").lower() == "notfound":
+ self.logger.warning("Certificate already deleted: {}".format(e))
+ else:
+ raise e