[CI] [TeamCity] Build master and 7.x hourly, others daily/on merge (#89184)

.teamcity/src/Common.kt

@@ -22,6 +22,14 @@ fun isReportingEnabled(): Boolean {
   return ENABLE_REPORTING;
 }
 
+// master and 7.x get committed to so often, we only want to run full CI for them hourly
+// but for other branches, we can run daily and on merge
+fun isHourlyOnlyBranch(): Boolean {
+  val branch = getProjectBranch()
+
+  return branch == "master" || branch.matches("""^[0-9]+\.x$""".toRegex())
+}
+
 fun makeSafeId(id: String): String {
   return id.replace(Regex("[^a-zA-Z0-9_]"), "_")
 }

.teamcity/src/builds/DailyCi.kt

@@ -0,0 +1,37 @@
+package builds
+
+import addSlackNotifications
+import areTriggersEnabled
+import dependsOn
+import getProjectBranch
+import jetbrains.buildServer.configs.kotlin.v2019_2.BuildType
+import jetbrains.buildServer.configs.kotlin.v2019_2.FailureAction
+import jetbrains.buildServer.configs.kotlin.v2019_2.triggers.schedule
+
+object DailyCi : BuildType({
+  id("Daily_CI")
+  name = "Daily CI"
+  description = "Runs everything in CI, daily"
+  type = Type.COMPOSITE
+  paused = !areTriggersEnabled()
+
+  triggers {
+    schedule {
+      schedulingPolicy = cron {
+        hours = "0"
+        minutes = "0"
+      }
+      branchFilter = "refs/heads/${getProjectBranch()}"
+      triggerBuild = always()
+      withPendingChangesOnly = false
+    }
+  }
+
+  dependsOn(
+    FullCi
+  ) {
+    onDependencyCancel = FailureAction.ADD_PROBLEM
+  }
+
+  addSlackNotifications()
+})

.teamcity/src/builds/OnMergeCi.kt

@@ -0,0 +1,34 @@
+package builds
+
+import addSlackNotifications
+import areTriggersEnabled
+import dependsOn
+import getProjectBranch
+import jetbrains.buildServer.configs.kotlin.v2019_2.BuildType
+import jetbrains.buildServer.configs.kotlin.v2019_2.FailureAction
+import jetbrains.buildServer.configs.kotlin.v2019_2.triggers.vcs
+
+object OnMergeCi : BuildType({
+  id("OnMerge_CI")
+  name = "On Merge CI"
+  description = "Runs everything in CI, on each commit"
+  type = Type.COMPOSITE
+  paused = !areTriggersEnabled()
+
+  maxRunningBuilds = 1
+
+  triggers {
+    vcs {
+      perCheckinTriggering = false
+      branchFilter = "refs/heads/${getProjectBranch()}"
+    }
+  }
+
+  dependsOn(
+    FullCi
+  ) {
+    onDependencyCancel = FailureAction.ADD_PROBLEM
+  }
+
+  addSlackNotifications()
+})

.teamcity/src/projects/Kibana.kt

@@ -7,6 +7,7 @@ import builds.oss.*
 import builds.test.*
 import CloudProfile
 import co.elastic.teamcity.common.googleCloudProfile
+import isHourlyOnlyBranch
 import jetbrains.buildServer.configs.kotlin.v2019_2.*
 import jetbrains.buildServer.configs.kotlin.v2019_2.projectFeatures.slackConnection
 import templates.KibanaTemplate
@@ -136,7 +137,16 @@ fun Kibana(config: KibanaConfiguration = KibanaConfiguration()) : Project {
 
       buildType(FullCi)
       buildType(BaselineCi)
-      buildType(HourlyCi)
+
+      // master and 7.x get committed to so often, we only want to run full CI for them hourly
+      // but for other branches, we can run daily and on merge
+      if (isHourlyOnlyBranch()) {
+        buildType(HourlyCi)
+      } else {
+        buildType(DailyCi)
+        buildType(OnMergeCi)
+      }
+
       buildType(PullRequestCi)
     }