January 2019
Intermediate to advanced
484 pages
11h 48m
English
Content preview from DevOps with Kubernetes - Second Edition
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Secrets
A secret, as its name suggests, is an object that stores secrets in key-value format for providing sensitive information to pods. It might be a password, an access key, or a token. A secret isn't stored in the disk; instead, it's stored in a per-node tmpfs filesystem. Kubelet on the node will create a tmpfs filesystem to store the secret. A secret isn't designed to store large amounts of data due to storage management considerations. The current size limit of one secret is 1 MB.
We can create a secret based on a file, a directory, or a specified literal value by launching kubectl to create a secret command or by the spec. There are three types of secret format: generic (or opaque, if encoded), docker registry, and TLS.
We'll use either ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.