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findsomeoneyys/test.py

Created December 2, 2020 14:27
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nginx-server.yaml
Raw
gistfile1.txt
apiVersion: v1
kind: ConfigMap
metadata:
name: nginx-conf
data:
index.conf: |
server {
listen 80;
server_name _;
location / {
root /opt;
index index.html;
}
}
index.html: |
<!DOCTYPE html>
<html lang="en">
<body>
<h1>Hello K8s</h1>
</body>
</html>
---
apiVersion: apps/v1
kind: Deployment
metadata:
name: nginx
spec:
selector:
matchLabels:
app: nginx
replicas: 1
template:
metadata:
labels:
app: nginx
spec:
containers:
- name: nginx
image: nginx:latest
ports:
- containerPort: 80
volumeMounts:
- mountPath: /etc/nginx/conf.d/default.conf
name: nginx-conf
subPath: index.conf
- mountPath: /opt/index.html
name: nginx-conf
subPath: index.html
volumes:
- configMap:
name: nginx-conf
name: nginx-conf
---
kind: Service
apiVersion: v1
metadata:
name: nginx
spec:
selector:
app: nginx
type: NodePort
ports:
- nodePort: 30080
port: 8080
protocol: TCP
targetPort: 80
Raw
test.py
from os import path
import yaml
from kubernetes import client, config
def create_config_map(api_instance, cmap):
body = client.V1ConfigMap(
metadata=client.V1ObjectMeta(name=cmap['metadata']['name']),
data=cmap['data']
)
resp = api_instance.create_namespaced_config_map(
body=body,
namespace='default')
print("configMap created. ")
def create_deployment(api_instance, deployment):
resp = api_instance.create_namespaced_deployment(
body=deployment,
namespace='default')
print("Deployment created. status='%s'" % resp.metadata.name)
def create_deployment_manual(api_instance, deployment):
body = client.V1Deployment(
metadata=client.V1ObjectMeta(name=deployment['metadata']['name']),
spec=client.V1DeploymentSpec(
replicas=1,
selector=deployment['spec']['selector'],
template=client.V1PodTemplateSpec(
metadata=client.V1ObjectMeta(labels=deployment['spec']['template']['metadata']['labels']),
spec=client.V1PodSpec(
containers=deployment['spec']['template']['spec']['containers'],
volumes= [client.V1ConfigMapVolumeSource(**v) for v in deployment['spec']['template']['spec']['volumes']]
),
),
))
resp = api_instance.create_namespaced_deployment(
body=body,
namespace='default')
print("Deployment created. status='%s'" % resp.metadata.name)
def create_service(api_instance, service):
resp = api_instance.create_namespaced_service(
body=service,
namespace='default')
print("service created. status='%s'" % str(resp.status))
def main():
config.load_kube_config()
apps_v1 = client.AppsV1Api()
core_v1 = client.CoreV1Api()
with open(path.join(path.dirname(__file__), "nginx-server.yaml")) as f:
deps = yaml.load_all(f)
for d in deps:
if d['kind'] == 'ConfigMap':
create_config_map(core_v1, d)
elif d['kind'] == 'Deployment':
# it works
# create_deployment(apps_v1, d)
# it not works
create_deployment_manual(apps_v1, d)
else:
create_service(core_v1, d)
if __name__ == '__main__':
main()
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