File:Wikimedia development and deployment flowchart.svg

   // Set node metrix
   // node_width = 200;  // default value is 128
   node_height = 70;  // default value is 40

   // set default shape
   default_shape = roundedbox;  // default value is 'box'

   // Product stages
   strategic_planning [label = "Strategic planning"];
   sprint_prio [label = "Sprint prioritization"];
   design_mockup [label = "Design mockup"];
   build [label = "Build"];
   goto_dev [label = "Go to dev cycle"];

   // Product flow
   strategic_planning -> sprint_prio
   sprint_prio -> design_mockup
   design_mockup -> build
   build -> goto_dev

   group product_group {
       fontsize = 16
       label = "WMF Product";
       strategic_planning; sprint_prio; design_mockup; build; goto_dev;
   }

   // Security stages
   sec_bug_aware [label = "Made aware of\nsecurity issue\n(via email security@\nor otherwise)"];
   sec_bug_report [label = "Report Security\n(private) bug in BZ"];
   sec_dev [label = "Local development/\ntesting only"];
   sec_patch_in_BZ [label = "Attach patch to\nsecurity bug in BZ\n(one per live wmfXX\nand supported release)"];
   sec_patch_review [label = "Security team reviews\nand tests the patch"];
   sec_coord_deploy [label = "Coordinate\nsecurity deploy"];
   sec_deploy [label = "Deploy security patches\n(all live wmfXX versions)"];
   sec_get_cve [label = "Request CVEs"];
   sec_coord_release [label = "Coordinate\nsecurity release"];
   sec_release [label = "Do security release"];
   sec_merge_master [label = "Merge security patches into master"];

   // Security flow
   sec_bug_aware -> sec_bug_report
   sec_bug_report -> sec_dev
   sec_dev -> sec_patch_in_BZ
   sec_patch_in_BZ -> sec_patch_review
   sec_patch_review -> sec_coord_deploy [folded];
   sec_coord_deploy -> sec_deploy
   sec_deploy -> sec_get_cve
   sec_get_cve -> sec_coord_release
   sec_coord_release -> sec_release
   sec_release -> sec_merge_master [folded];

   group security_group {
       fontsize = 16
       label = "Security Bug and Dev"
       color = "pink"
       sec_bug_aware; sec_bug_report; sec_dev; sec_patch_in_BZ; sec_patch_review; sec_coord_deploy; sec_deploy; sec_get_cve; sec_coord_release; sec_release; sec_merge_master;
   }

   // Bug stages
   bug_reported [label = "Bug reported"];
   bug_languish [label = "Languish", color = "red"];
   bug_reviewed [label = "Reviewed/\nprioritized"];
   bug_assigned [label = "BZ Status:\nAssigned\n(Optional)"];
   bug_patch [label = "BZ Status:\nPatch in Gerrit"];

   group bug_group {
       fontsize = "16"
       label = "Bug Tracker"
       color = "grey"
       bug_reported; bug_languish; bug_reviewed; bug_assigned;
   }

   // Development stages
   dev [label = "Local development"];
   dev_labs_instance [label = "Code on developers'\nlab instance"];
   patch_submission [label = "Patchset in Gerrit"];
   code_reviews [label = "Code reviews in Gerrit\n(+/-1s, comments)"];
   unit_tests_precommit [label = "Pre-commit\nunit tests"];
   manual_testing_presubmit [label = "Manual testing\n(Pre Submit)"];
   master [label = "Code committed\n in master\n(+2)"];
   unit_tests_postcommit [label = "Post-commit\nunit tests"];

   group dev_group {
       fontsize = "16"
       label = "Development"
       color = "aqua"
       dev; dev_labs_instance; patch_submission; code_reviews; unit_tests_precommit; manual_testing_presubmit; master; unit_tests_postcommit;
   }

   beta_cluster [label = "Beta Cluster\nupdated with\ncode"];
   manual_testing_beta [label = "Manual testing\n(Beta Cluster)"];
   browser_tests_beta [label = "Beta Cluster\nbrowser tests"];
   review_browsertest_beta [label = "Manual review of \nBeta Cluster\nbrowser tests"];
   verified_beta_breakage_cond [label = "Verified\nbreakage\nin Beta\nCluster?", shape = flowchart.condition, height = "100"];
   revert_beta [label = "Revert offending commit"];
   report_bug_beta [label = "Report bug"];

   group beta_group {
       fontsize = "16"
       label = "Beta Cluster"
       color = "lightgreen"
       beta_cluster; manual_testing_beta; browser_tests_beta; review_browsertest_beta; verified_beta_breakage_cond; revert_beta; report_bug_beta;
   }

   // Deployment stages
   create_wmf_branch [label = "WMF deployment branch\n(wmfXX) created"];
   wmf_deploy_p0 [label = "WMF deployment\nPhase0"];
   wmf_deploy_p1 [label = "WMF deployment\nPhase1"];
   wmf_deploy_p2 [label = "WMF deployment\nPhase2"];

   manual_testing_p0 [label = "Manual testing\n(Production Phase0)"];
   manual_testing_p1 [label = "Manual testing\n(Production Phase1)"];
   manual_testing_p2 [label = "Manual testing\n(Production Phase2)"];
   browser_tests_production [label = "Production\nbrowser tests"];

   review_browsertest_prod [label = "Manual review of\nproduction browser tests"];
   verified_prod_breakage_cond [label = "Verified\nbreakage?", shape = flowchart.condition];

   success [label = "Success!", color = "green"];

   prod_fix_quick_cond [label = "Fix production quickly?"];
   fix_prod [label = "Fix production!"];
   backport_master [label = "Backport fix\nto master"];
   prod_revert [label = "Revert broken code"];
   report_bug [label = "Report bug"];

   //
   // Connections / edges
   // (Labels use short text only)
   //

   // bug flow
   bug_reported -> bug_reviewed, bug_languish
   bug_reviewed -> bug_assigned
   bug_assigned -> dev [folded];

   // dev flow
   dev -> dev_labs_instance
   dev_labs_instance -> manual_testing_presubmit
   manual_testing_presubmit -> patch_submission
   patch_submission -> bug_patch
   patch_submission -> unit_tests_precommit [folded]
   unit_tests_precommit -> code_reviews
   code_reviews -> master
   master -> unit_tests_postcommit
   master -> beta_cluster [folded];

   beta_cluster -> browser_tests_beta
   beta_cluster -> manual_testing_beta [folded];
   browser_tests_beta -> review_browsertest_beta
   manual_testing_beta, review_browsertest_beta -> verified_beta_breakage_cond
   verified_beta_breakage_cond -> revert_beta [label = "Yes", textcolor="red"]
   verified_beta_breakage_cond -> create_wmf_branch [label = "No", textcolor = "green", folded];
   revert_beta -> report_bug_beta

   create_wmf_branch -> wmf_deploy_p0 [folded];
   wmf_deploy_p0 -> manual_testing_p0, wmf_deploy_p1
   wmf_deploy_p1 -> manual_testing_p1, wmf_deploy_p2
   wmf_deploy_p2 -> manual_testing_p2

   manual_testing_p0, manual_testing_p1, manual_testing_p2 -> browser_tests_production

   group prod_group {
       label = "Production"
       fontsize = "16"
       color = "lightblue"
       wmf_deploy_p0; wmf_deploy_p1; wmf_deploy_p2; manual_testing_p0; manual_testing_p1; manual_testing_p2; browser_tests_production; review_browsertest_prod; verified_prod_breakage_cond; backport_master; prod_fix_quick_cond; fix_prod; prod_revert; backport_master;
   }

   browser_tests_production -> review_browsertest_prod [folded];
   review_browsertest_prod -> verified_prod_breakage_cond

   verified_prod_breakage_cond -> success [label = "No", textcolor="green", folded]
   backport_master -> success
   verified_prod_breakage_cond -> prod_fix_quick_cond [label = "Yes", textcolor = "red"];
   prod_fix_quick_cond -> fix_prod [label = "Yes"]
   prod_fix_quick_cond -> prod_revert [label = "No"];
   fix_prod -> backport_master

   prod_revert -> report_bug