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| {{Release Engineering How To|Create new ESR branch}}
| | The documentation has been moved to [https://github.com/mozilla/releasewarrior/blob/master/how-tos/new-esr-branch-setup.md releasewarrior] |
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| This process also works, with slight (obvious?) modifications for new twigs and b2g gecko branches. ESR17 process was tracked by {{Bug|796995}} and the dependent bugs. The process can be split into 2 major parts: internal and external
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| = Internal changes =
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| This covers changes to configs, buildbotcustom and tools.
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| [https://bugzilla.mozilla.org/attachment.cgi?id=678768&action=edit buildbotcustom changes] for ESR17 were not critical and are not ESR specific. | |
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| == tools changes ==
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| [https://bugzilla.mozilla.org/attachment.cgi?id=678767&action=edit tools changes]
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| * adds new release branch to [http://hg.mozilla.org/build/tools/file/default/buildfarm/maintenance/production-masters.json production-masters.json] file
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| * adds new branch to buildapi's [http://hg.mozilla.org/build/tools/file/default/buildfarm/maintenance/production-branches.json production-branches.json] file
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| * since the [https://bugzilla.mozilla.org/attachment.cgi?id=678814&action=edit config patch] introduces new configurations file which are need to be symlinked to the build/scheduler master there is a need for a fabric methods to create the links
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| * mozconfig whitelist changes (tested in {{bug|808077}})
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| * preproduction tweaks
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| == buildbot-configs changes ==
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| Some highlights:
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| * Explicitly list the platforms (and use lock_platforms) since we don't ship ESR to all mozilla-central/release platforms (android, for example)
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| * Copy mozilla-beta configs, compare them to the previous ESR release and check if you understand what they stand for
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| * No dep/nightly L10N builds required, as a result no need to create Tinderbox trees
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| * check mozilla-beta exceptions (loops) and check if they are aplicable to the current ESR
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| * for every exception (MERGE DAY exceptions) file a bug to track it
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| * you may need to add shortening code for new branches
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| ** be sure to run <tt>test-masters.sh</tt> to verify
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| ** see, e.g. https://hg.mozilla.org/build/buildbotcustom/annotate/b863ef3d9559/common.py#l128
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| === New release configs ===
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| * Make sure that the following variables set
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| releaseConfig['partialUpdates'] = {}
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| releaseConfig['skip_updates'] = True
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| releaseConfig['verifyConfigs'] = {}
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| releaseConfig['ftpSymlinkName'] = 'latest-esr'
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| * File new tracking bug for the next minor esr release (17.0.1esr) to update these variables
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| * update previous release configs and set
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| releaseConfig['ftpSymlinkName'] = 'latest-10.0esr'
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| * add mozilla2/*/comm-esr17/release/l10n-mozconfig for every platform. Copy them from mozilla-beta and compare to the previous esr configs
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| * add mozilla2/linux/comm-esr17/release/mozconfig (linux only). We need this for source builder. Will be fixed by {{bug|748796}}
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| = External changes =
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| == Ask IT to clone repos ==
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| See {{bug|807979}} for the details. We usually clone ~1-2 weeks in advance off beta to test how automation works.
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| == Add new branches to treestatus.m.o ==
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| Ask a treestatus admin to add the trees. Notice that Thunderbird trees have -thunderbird suffix (comm-esr17-thunderbird). <small>(as of <s>{{bug|823618}}</s>, tree addition & deletion require admin rights. Current admins include sheriffs, catlee, hwine. See {{bug|877948}} for futures.)</small>
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| == Update tree closure hooks ==
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| See {{bug|807983}} for the details (fyi, [https://bugzil.la/816766#c1 ted has given us blanket approval] to land branch-name-only updates - have someone else double check). Requires deployment by IT (see {{bug|807694}}).
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| == Update graphs.m.o and graphs.allizom.org with ==
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| Graph server schema changes. Requires both sql update ({{bug|808007}}) & deployment to both staging and production servers (releng has add permissions, so IT deployment <s>{{bug|808537}}</s> no longer needed except for deleting mistakes). (Use copy/modify/paste for all elements. Note that branch name is given in tbpl capitalization format.
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| == Update TBPL ==
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| # Add new trees to TBPL. See {{bug|808017}} for the details (filed in webtools::tinderboxpushlog).
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| # Test after landing by seeing trees displayed as expected on [https://intranet.mozilla.org/Websites/Stage_Passwords#TBPL tbpl staging].
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| # Requires deployment. Ed Morley can deploy it via chief. For urgent needs, IT can also deploy (see {{bug|809543}}, be sure to cc ":edmorley" on IT bug if you choose to file - often worth also checking for any other undeployed changes, in case they are not ready to push).
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| <small><em>Deployment process & details from [https://bugzil.la/816775 Ed].</em></small>
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| == Update AUS2 ==
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| Adds new entries for nightly builds. See {{bug|808543}} for the details. Requires IT deployment (see {{bug|808543}})
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| Also need to create some symlinks for mac:
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| ssh aus3-staging.mozilla.org # using your ldap username, VPN running
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| sudo su - ffxbld
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| cd /opt/aus2/incoming/2/Firefox
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| mkdir mozilla-esrNN # where NN is your new version
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| ln -s Darwin_x86_64-gcc3 Darwin_x86_64-gcc3-u-i386-x86_64
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| ln -s Darwin_x86_64-gcc3 Darwin_x86-gcc3-u-i386-x86_64
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| = Testing =
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| == CI builds ==
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| Make sure to run all esr and some other builds in staging. Run leak test and nightly builds 2 times to allow them to generate leak log and partial updates.
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| == Release builds ==
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| Make sure to run a staging release. It takes less time then usual build, because there are no updates to be generated.
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| = Ship it! =
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| Close the bug and have some tea. :)
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