Resource name constraints (3) (#19120)

xref: #17969, #19099, #18746
2020-03-05 06:18:38 -08:00
parent ddb114e717
commit 3d63002fa3
10 changed files with 23 additions and 5 deletions
@@ -33,6 +33,8 @@ kubectl create configmap <map-name> <data-source>
 ```

 where \<map-name> is the name you want to assign to the ConfigMap and \<data-source> is the directory, file, or literal value to draw the data from.
+The name of a ConfigMap object must be a valid
+[DNS subdomain name](/docs/concepts/overview/working-with-objects/names#dns-subdomain-names).

 When you are creating a ConfigMap based on a file, the key in the \<data-source> defaults to the basename of the file, and the value defaults to the file content.