Change Details

= Intro = We want to move from oresrdb hosts to redis::misc hosts to lower operational costs. We will stop maintaining separate redis databases and better utilize the under utilized redis::misc databases https://gerrit.wikimedia.org/r/#/c/operations/puppet/+/595167/ will achieve that but will require some one time orchestration for this. = Process in pseudocode = 1. disable puppet on ores1* and ores2* 1. set in all hosts /etc/hosts to have oresrdb.svc.eqiad.wmnet point to the old oresrdb host 1. merge puppet change https://gerrit.wikimedia.org/r/#/c/operations/puppet/+/595167/ 1. merge puppet/private puppet change for the password 1. merge DNS change TBD 1. for i in host depool host delete /etc/hosts line enable puppet run puppet restart celery restart uwsgi pool done

= Intro = We want to move from oresrdb hosts to redis::misc hosts to lower operational costs. We will stop maintaining separate redis databases and better utilize the under utilized redis::misc databases https://gerrit.wikimedia.org/r/#/c/operations/puppet/+/595167/ will achieve that but will require some one time orchestration for this. = Process in pseudocode = 1. disable puppet on ores1* and ores2* 1. set in all hosts /etc/hosts to have oresrdb.svc.eqiad.wmnet point to the old oresrdb host 1. merge puppet change https://gerrit.wikimedia.org/r/#/c/operations/puppet/+/595167/ 1. merge puppet/private puppet change for the password 1. merge DNS change https://gerrit.wikimedia.org/r/#/c/operations/dns/+/601665 1. Run the equivalent of the following in cumin commands ``` for host in hosts depool host delete /etc/hosts line enable puppet run puppet restart celery restart uwsgi pool done ```

= Intro = We want to move from oresrdb hosts to redis::misc hosts to lower operational costs. We will stop maintaining separate redis databases and better utilize the under utilized redis::misc databases https://gerrit.wikimedia.org/r/#/c/operations/puppet/+/595167/ will achieve that but will require some one time orchestration for this. = Process in pseudocode = 1. disable puppet on ores1* and ores2* 1. set in all hosts /etc/hosts to have oresrdb.svc.eqiad.wmnet point to the old oresrdb host 1. merge puppet change https://gerrit.wikimedia.org/r/#/c/operations/puppet/+/595167/ 1. merge puppet/private puppet change for the password 1. merge DNS change TBDhttps://gerrit.wikimedia.org/r/#/c/operations/dns/+/601665 1. Run the equivalent of the following in cumin commands ``` for ihost in hosts depool host delete /etc/hosts line enable puppet run puppet restart celery restart uwsgi pool done ```