initialDelaySeconds not always high enough

[Fgruntjes]

Hello,

We noticed when percona is very slow with initialisation (30+ seconds) then the container gets killed during initialisation resulting in a situation where the MYSQL_DATABASE, MYSQL_USER and MYSQL_PASSWORD setup is not finished and also on reboot will not finish any more.

Our initialize logs:

kd logs -f test-mysql-mysql-0 mysql
Initializing database
2018-12-18T15:50:08.083714Z 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details).
 100
 100
2018-12-18T15:50:19.116704Z 0 [Warning] InnoDB: New log files created, LSN=45790
2018-12-18T15:50:21.151180Z 0 [Warning] InnoDB: Creating foreign key constraint system tables.
2018-12-18T15:50:21.818731Z 0 [Warning] No existing UUID has been found, so we assume that this is the first time that this server has been started. Generating a new UUID: a05f8644-02dc-11e9-b6c9-da420a8a8563.
2018-12-18T15:50:21.952705Z 0 [Warning] Gtid table is not ready to be used. Table 'mysql.gtid_executed' cannot be opened.
2018-12-18T15:50:22.511862Z 0 [Warning] CA certificate ca.pem is self signed.
2018-12-18T15:50:22.571768Z 1 [Warning] root@localhost is created with an empty password ! Please consider switching off the --initialize-insecure option.
2018-12-18T15:50:59.047101Z 1 [Warning] 'user' entry 'root@localhost' ignored in --skip-name-resolve mode.
2018-12-18T15:50:59.047146Z 1 [Warning] 'user' entry 'mysql.session@localhost' ignored in --skip-name-resolve mode.
2018-12-18T15:50:59.047153Z 1 [Warning] 'user' entry 'mysql.sys@localhost' ignored in --skip-name-resolve mode.
2018-12-18T15:50:59.047173Z 1 [Warning] 'db' entry 'performance_schema mysql.session@localhost' ignored in --skip-name-resolve mode.
2018-12-18T15:50:59.047176Z 1 [Warning] 'db' entry 'sys mysql.sys@localhost' ignored in --skip-name-resolve mode.
2018-12-18T15:50:59.047184Z 1 [Warning] 'proxies_priv' entry '@ root@localhost' ignored in --skip-name-resolve mode.
2018-12-18T15:50:59.047209Z 1 [Warning] 'tables_priv' entry 'user mysql.session@localhost' ignored in --skip-name-resolve mode.
2018-12-18T15:50:59.047214Z 1 [Warning] 'tables_priv' entry 'sys_config mysql.sys@localhost' ignored in --skip-name-resolve mode.
Database initialized
MySQL init process in progress...
2018-12-18T15:51:18.699399Z 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details).
2018-12-18T15:51:18.701982Z 0 [Note] mysqld (mysqld 5.7.23-24-log) starting as process 311 ...
2018-12-18T15:51:18.710431Z 0 [Note] InnoDB: PUNCH HOLE support available
2018-12-18T15:51:18.710469Z 0 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins
2018-12-18T15:51:18.710476Z 0 [Note] InnoDB: Uses event mutexes
2018-12-18T15:51:18.710481Z 0 [Note] InnoDB: GCC builtin __atomic_thread_fence() is used for memory barrier
2018-12-18T15:51:18.710486Z 0 [Note] InnoDB: Compressed tables use zlib 1.2.8
2018-12-18T15:51:18.710491Z 0 [Note] InnoDB: Using Linux native AIO
2018-12-18T15:51:18.711244Z 0 [Note] InnoDB: Number of pools: 1
2018-12-18T15:51:18.711439Z 0 [Note] InnoDB: Using CPU crc32 instructions
2018-12-18T15:51:18.742928Z 0 [Note] InnoDB: Initializing buffer pool, total size = 512M, instances = 1, chunk size = 128M
2018-12-18T15:51:18.773014Z 0 [Note] InnoDB: Completed initialization of buffer pool
2018-12-18T15:51:18.786148Z 0 [Note] InnoDB: If the mysqld execution user is authorized, page cleaner thread priority can be changed. See the man page of setpriority().
2018-12-18T15:51:19.088391Z 0 [Note] InnoDB: Crash recovery did not find the parallel doublewrite buffer at /var/lib/mysql/xb_doublewrite
2018-12-18T15:51:19.141757Z 0 [Note] InnoDB: Highest supported file format is Barracuda.
MySQL init process in progress...
2018-12-18T15:51:20.111764Z 0 [Note] InnoDB: Created parallel doublewrite buffer at /var/lib/mysql/xb_doublewrite, size 3932160 bytes
MySQL init process in progress...

and then it was killed by the timeout.