add immutable config items by annotation

[kristobalus]

allows to add immutable configuration settings to redis.conf template as annotation

metadata:
    annotations:
        add-configuration-snippet: |
          server_cpulist 0,2,4
          bio_cpulist 1
          aof_rewrite_cpulist 3
          bgsave_cpulist 3
          io-threads 2
          io-threads-do-reads no

[samof76]

@kristobalus whats the use case?

[kristobalus]

use case: add immutable configuration to redis.info file like
server_cpulist 0,2,4
bio_cpulist 1
aof_rewrite_cpulist 3
bgsave_cpulist 3
io-threads 2
io-threads-do-reads no