Add some db automation scripts.

2 jobs for jarv/db-scripts in 15 seconds (queued for 1 second)
Status Job ID Name Coverage
  Test
failed #2728240
references

00:00:10

passed #2728239
shellcheck

00:00:15

 
Name Stage Failure
failed
references Test
/builds/gitlab-com/migration/bin/scripts/02_failover/030_t-1d/020_gitlabstatus_twitter_announcement.sh
/builds/gitlab-com/migration/bin/scripts/02_failover/030_t-1d/020_gitlabstatus_twitter_announcement.sh: line 7: greadlink: command not found
/builds/gitlab-com/migration/bin/scripts/02_failover/030_t-1d/010_gitlab_twitter_announcement.sh
/builds/gitlab-com/migration/bin/scripts/02_failover/030_t-1d/010_gitlab_twitter_announcement.sh: line 7: greadlink: command not found
/builds/gitlab-com/migration/bin/scripts/02_failover/050_t-1h/020_slack_announcement.sh
/builds/gitlab-com/migration/bin/scripts/02_failover/050_t-1h/020_slack_announcement.sh: line 7: greadlink: command not found
/builds/gitlab-com/migration/bin/scripts/02_failover/060_go/p04/connect-pgbouncers.sh
/builds/gitlab-com/migration/bin/scripts/02_failover/060_go/p04/connect-pgbouncers.sh: line 7: /builds/gitlab-com/migration/bin/scripts/02_failover/060_go/p04/../../../../source_vars: No such file or directory
ERROR: Job failed: exit code 1