alpreu edited a comment on pull request #17819:
URL: https://github.com/apache/flink/pull/17819#issuecomment-1011098312
I checked again and I am not sure we are on the right track to the root
cause. The enum has these values currently:
```
CONFIG_MAP("flink-config-", ""),
HADOOP_CONF_CONFIG_MAP("hadoop-config-", ""),
KERBEROS_KEYTAB_SECRET("kerberos-keytab-", ""),
KERBEROS_KRB5CONF_CONFIG_MAP("kerberos-krb5conf-", ""),
POD_TEMPLATE_CONFIG_MAP("pod-template-", ""),
FLINK_REST_SERVICE("", "-rest");
```
If we remove all the ones with CONFIG_MAP in their name we are left with:
```
KERBEROS_KEYTAB_SECRET("kerberos-keytab-", ""),
FLINK_REST_SERVICE("", "-rest");
```
The `KERBEROS_KEYTAB_SECRET` is used as a a secret name which should allow
253 characters, so we can also remove that. Therefore the only limiting factor
is the `FLINK_REST_SERVICE` which is used in a service name, which only allows
63 characters.
This would mean we only need to limit the clusterId to 58 characters (63 -
"-rest"). But are we really sure we are this is the case? Because then
https://github.com/apache/flink/pull/11708 should have already fixed this.
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