Feat(wrapper): add GITLAB_PRE_RECONFIGURE_SCRIPT

What does this MR do?

If the env variable GITLAB_PRE_RECONFIGURE_SCRIPT is set, we will eval it in /assets/wrapper

This will be useful for run a few minor commands specific to my environment before starting the services. This would permit users to inject customization before the initial reconfiguration. For example change sshd port when running gitlab in network_mode=host without mounting /assets/sshd_config

This is same as GITLAB_POST_RECONFIGURE_SCRIPT (same code) but before reconfigure and starting services.

Resolve:

• #4254

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added Community contribution workflowin dev labels

assigned to @ergoz

changed the description

@gitlab-bot ready

added 1st contribution label

added workflowready for review label and removed workflowin dev label

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added 1 commit

• fe19d3e2 - fix(wrapper): change GITLAB_PRE_RECONFIGURE_SCRIPT position higher

Compare with previous version

added devopssystems groupdistribution labels

added sectioncore platform label

mentioned in issue gitlab-org/quality/triage-reports#11597 (closed)

@clemensbeck do you have time to look at this community contribution?

mentioned in issue gitlab-org/quality/triage-reports#11598 (closed)

added featureenhancement typefeature labels

For the reviewer: be aware of the security implications of the current implementation presented here.

@ergoz I see where the value of the proposed feature. I, for one, would like to see this concept included into the Omnibus' container (gitlab/gitlab-?e). We may have to refine it to have a some assurances, from a security perspective.

mentioned in issue gitlab-org/quality/triage-reports#11800 (closed)

requested review from @Alexand

added workflowin review label and removed workflowready for review label

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