[skip ci]

Cover the case when platform is reported as opensuseleap for pushing packages to package repository.

See merge request !1095

Redis: Autofill master_password based on redis password

Small improvement to Redis / Sentinel setup. If the user forget to inform the `redis['master_password']`, we can try to infer the value from `redis['password']`.

See merge request !1093

Cover the case when platform is reported as opensuseleap for pushing packages to package repository.

Move package repository selection out of Makefile no 2. Now with more echo and export.

Second version of https://gitlab.com/gitlab-org/omnibus-gitlab/merge_requests/1089

See merge request !1094

This reverts commit 1a706147, reversing
changes made to 82b7345b.

Move package repository selection out of Makefile

Fixes #1699

Related https://gitlab.com/gitlab-org/omnibus-gitlab/issues/1677

See merge request !1089

Omnibus Gitlab on Opensuse 42.1

See merge request !1091

Fix link to web site with GitLab-EE tags.

See merge request !1088

Update our docker assets location patch

Point the patch for loading gitlab.rb at the config recipe instead of the
default recipe now that is has moved

https://gitlab.com/gitlab-org/omnibus-gitlab/issues/1700

See merge request !1090

Point the patch for loading gitlab.rb at the config recipe instead of the
default recipe now that is has moved

[ci skip]

Signed-off-by: Rémy Coutable <remy@rymai.me>

Redis Sentinel daemon

Related to #1565 !996 

Updated documentation: 
* CE: gitlab-org/gitlab-ce!6471
* EE: ~~gitlab-org/gitlab-ee!786~~ (see: https://gitlab.com/gitlab-org/omnibus-gitlab/merge_requests/1000#note_17084207)

Checklist
------------

- [x] Create a template for `sentinel.conf`
  - [x] `port` is configurable
  - [x] `working-directory` is configurable
  - [x] `auth-pass` is configurable
  - [x] `monitor` master instance is configurable
  - [x] `down-after-milliseconds` is configurable
  - [x] `failover-timeout` is configurable
  - [x] `myid` is configurable or will fallback to generated and  stored in `.json` file after first `reconfigure`
- [x] Create a service definition for sentinel daemon (definitions/sentinel_service.rb)
- [x] Sentinel code is EE package only (`gitlab-ee` recipe)
- [x] Add sentinel to runit init system
- [x] Sentinel should be enabled only when specific `enabled` flag is present
- [x] Sentinel-disable recipe
- [x] Generate specific `redis://` URL pointing to `master-name` when sentinels are present

Testplan
-----------

- Clean install:
  - [x] Works with default / unmodified configuration parameters
  - [x] Can enable managed sentinel
  - [x] Can disable managed sentinel (stop service and remove from runit)
  - [x] Can point to external (managed/unmanaged) sentinel service
  - [x] Works with multiple sentinel instances.
- Existing previous version
  - [x] Can upgrade with default / unmodified configuration parameters
  - [x] Can enable managed sentinel
  - [x] Can disable managed sentinel (stop service and remove from runit)

See merge request !1000

Update GitLab Mattermost upgrade instructions and adding special considerations.

- Adding notes on upgrading v3.1 and above. 
- Updating the instructions regarding skipping versions.

See merge request !1054

Replace trigger with the new ID of the docs project

Now that the old docs site is deprecated in
favor of https://gitlab.com/gitlab-com/gitlab-docs

See merge request !1086

Now that the old docs site is deprecated in
favor of https://gitlab.com/gitlab-com/gitlab-docs

[ci skip]

Add support for Gitlab on OpenSuse 13.2

Part of #1081

See merge request !1085

Change the source url of readline.

See merge request !1084

git-trace logging for gitlab-shell

Instead of using a custom folder for this logging as Yorick suggested, I've decided to just use other file in the same service forlder than gitlab-shell. In this way logrotate is going to work just with the current configuration. Because it used a concept services (which include the gitlab-shell service and its log directory) and rotate all the `*.log` files in that folder (as denoted by the default logrotate template).

Relates with https://gitlab.com/gitlab-com/infrastructure/issues/619

See merge request !1050

Update NGINX to 1.10.2

This fixes some http/2 protocol issues.
See: https://nginx.org/en/CHANGES-1.10 for more details

Fixes: https://gitlab.com/gitlab-org/omnibus-gitlab/issues/1689

Relates to gemnasium work mentioned in: https://gitlab.com/gitlab-org/gitlab-ce/issues/23599

See merge request !1082

We were using -P with grep, but pcre support can very from distro to distro. It's better to just not rely on it.