1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
| from kubernetes import config,client
config.load_kube_config(config_file='config')
client_apps=client.AppsV1Api()
namespaces_list=['qatest','production','dev']
while True:
print("动态调整deployment副本数脚本（输入exit退出）")
namespaces=input(f"输入命名空间:\n可选:{','.join(namespaces_list)}\n>>>")
if namespaces == 'exit':
break
elif namespaces not in namespaces_list:
print(f"无效的命名空间{namespaces},请重新输入")
continue
try:
replica=int(input(f"输入副本数:"))
except ValueError:
print("副本数无效，请输入整数")
continue
deployment_name=input(f"输入Deployment名:")
try:
deployment_info=client_apps.read_namespaced_deployment(namespace=namespaces,name=deployment_name)
deployment_info.spec.replicas=replica
client_apps.replace_namespaced_deployment(name=deployment_name,namespace=namespaces,body=deployment_info)
print(f"Deployment {deployment_name} in {namespaces} replicas is updated to {replica}")
except client.exceptions.ApiException as e:
if e.status == 404:
print(f"deployment {deployment_name} is not found")
deployment_body=client.V1Deployment(
metadata=client.V1ObjectMeta(
name=deployment_name,
namespace=namespaces
),
spec=client.V1DeploymentSpec(
replicas=replica,
selector=client.V1LabelSelector(
match_labels={'app':"python"}
),
template=client.V1PodTemplateSpec(
metadata=client.V1ObjectMeta(
name='my-pod',
labels={"app":"python"}
),
spec=client.V1PodSpec(
containers=[client.V1Container(
name='my-container',
image='nginx:latest',
image_pull_policy='IfNotPresent',
ports=[client.V1ContainerPort(
container_port=80
)]
)],
)
)
)
)
client_apps.create_namespaced_deployment(namespace=namespaces,body=deployment_body)
print(f'deployment {deployment_name} is created in {namespaces},replacs is {replica}')
else:
print(f'错误{e.reason}')
|
