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O'Reilly Platform
book
Kubernetes即学即用(第二版)
by
Brendan Burns
,
Joe Beda
,
Kelsey Hightower
June 2021
Intermediate to advanced
300 pages
5h 4m
Chinese
China Electric Power Press Ltd.
Content preview from
Kubernetes即学即用(第二版)
188
|
第
13
章
在选择键名称时,你需要考虑到,键名可以通过卷公开给
Pod
,因此一定要
选择在命令行或配置文件中使用时有意义的键名。在配置应用程序访问机密
数据时,将存储的
TLS
密钥命名为
key.pem
比
tls-key
更容易理解。
ConfigMap
数据值是清单中直接指定的
UTF-8
文本。从
Kubernetes 1.6
开始,
ConfigMap
不能再存储二进制数据。
机密数据值可以包含
base64
编码的任意数据。由于使用
base64
编码,因此机
密数据可以存储二进制数据。但是,这会让存储在
YAML
文件中的机密数据
更加难以管理,因为这些值必须经过
base64
编码才能放入
YAML
中。请注意,
ConfigMap
或
Secret
的最大上限为
1MB
。
13.4
管理
ConfigMap
和
Secret
Secret
和
ConfigMap
的管理需要通过
Kubernetes API
。你可以通过常见的
create
、
delete
、
get
和
describe
命
令操作这些对象。
13.4.1
显示列表
你可以使用
kubectl get secrets
命令列出当前命名空间中所有的
Secret
:
$
kubectl get secrets
NAME TYPE DATA AGE
default-token-f5jq2 kubernetes.io/service-account-token 3 1h
kuard-tls Opaque ...
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Publisher Resources
ISBN: 9787519856762