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feat: run clones with custom port and socket dir

Artyom Kartasov requested to merge update-clone-image into master

Description

Run clones with custom port and socket directory to be able to restart or upgrade Postgres instance without losing container

❗ This change is not backward compatible to the previous versions of the extended images

Related issue

Examples

root@d028e0df514a:/# ps fax
    PID TTY      STAT   TIME COMMAND
     29 pts/0    Ss     0:00 bash
    518 pts/0    R+     0:00  \_ ps fax
      1 ?        Ss     0:00 /bin/bash /pg_start.sh
      8 ?        S      0:00 sudo -Eu postgres /usr/lib/postgresql/14/bin/postgres -D /var/lib/dblab/oldest5/clones/dblab_clone_6001/data -k /var/lib/dblab/oldest5/sockets/dblab_clone_6001 -p 6001
      9 ?        S      0:00  \_ /usr/lib/postgresql/14/bin/postgres -D /var/lib/dblab/oldest5/clones/dblab_clone_6001/data -k /var/lib/dblab/oldest5/sockets/dblab_clone_6001 -p 6001
     10 ?        Ss     0:00      \_ postgres: logger 
     12 ?        Ss     0:00      \_ postgres: checkpointer 
     13 ?        Ss     0:00      \_ postgres: background writer 
     14 ?        Ss     0:00      \_ postgres: walwriter 
     15 ?        Ss     0:00      \_ postgres: autovacuum launcher 
     16 ?        Ss     0:00      \_ postgres: stats collector 
     17 ?        Ss     0:00      \_ postgres: logical replication launcher

Checklist

  • MR description has been reviewed
  • MR changes are functionally tested
  • MR does NOT have API/CLI changes OR there are API/CLI changes and they have been reviewed & DOCS ARE ADJUSTED (reference doc, etc)
  • MR does NOT have UI changes OR there are UI changes and they have been reviewed & UX IS REVIEWED

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