stack-orchestrator/app/deploy/k8s/cluster_info.py
2023-10-27 10:19:44 -06:00

85 lines
3.2 KiB
Python

# Copyright © 2023 Vulcanize
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http:#www.gnu.org/licenses/>.
from kubernetes import client
from typing import Any, List, Set
from app.opts import opts
from app.util import get_yaml
class ClusterInfo:
parsed_pod_yaml_map: Any = {}
image_set: Set[str] = set()
app_name: str = "test-app"
deployment_name: str = "test-deployment"
def __init__(self) -> None:
pass
def int_from_pod_files(self, pod_files: List[str]):
for pod_file in pod_files:
with open(pod_file, "r") as pod_file_descriptor:
parsed_pod_file = get_yaml().load(pod_file_descriptor)
self.parsed_pod_yaml_map[pod_file] = parsed_pod_file
if opts.o.debug:
print(f"parsed_pod_yaml_map: {self.parsed_pod_yaml_map}")
# Find the set of images in the pods
for pod_name in self.parsed_pod_yaml_map:
pod = self.parsed_pod_yaml_map[pod_name]
services = pod["services"]
for service_name in services:
service_info = services[service_name]
image = service_info["image"]
self.image_set.add(image)
if opts.o.debug:
print(f"image_set: {self.image_set}")
def get_deployment(self):
containers = []
for pod_name in self.parsed_pod_yaml_map:
pod = self.parsed_pod_yaml_map[pod_name]
services = pod["services"]
for service_name in services:
container_name = service_name
service_info = services[service_name]
image = service_info["image"]
container = client.V1Container(
name=container_name,
image=image,
ports=[client.V1ContainerPort(container_port=80)],
resources=client.V1ResourceRequirements(
requests={"cpu": "100m", "memory": "200Mi"},
limits={"cpu": "500m", "memory": "500Mi"},
),
)
containers.append(container)
template = client.V1PodTemplateSpec(
metadata=client.V1ObjectMeta(labels={"app": self.app_name}),
spec=client.V1PodSpec(containers=containers),
)
spec = client.V1DeploymentSpec(
replicas=1, template=template, selector={
"matchLabels":
{"app": self.app_name}})
deployment = client.V1Deployment(
api_version="apps/v1",
kind="Deployment",
metadata=client.V1ObjectMeta(name=self.deployment_name),
spec=spec,
)
return deployment