Switch ANGLE Win and Linux CI bots to builderless.

infra/README.md

@@ -23,7 +23,11 @@ Try jobs from pre-commit builds are found on the builders console:
 
  1. [`bugs.chromium.org/p/chromium/issues/entry?template=Build+Infrastructure`](http://bugs.chromium.org/p/chromium/issues/entry?template=Build+Infrastructure):
 
-    * Request new slaves by filing an infra issue.
+    * If adding a Mac bot, request new slaves by filing an infra issue.
+
+ 1. [`chrome-internal.googlesource.com/infradata/config`](http://chrome-internal.googlesource.com/infradata/config):
+
+    * Update **`configs/chromium-swarm/starlark/bots/angle.star`** with either Mac slaves requested in the previous step or increase the amount of Windows or Linux GCEs.
 
  1. [`chromium.googlesource.com/chromium/tools/build`](https://chromium.googlesource.com/chromium/tools/build):
 
@@ -31,10 +35,6 @@ Try jobs from pre-commit builds are found on the builders console:
     * The recipe code requires 100% code coverage through mock bots, so add mock bot config to GenTests.
     * Maybe run `./scripts/slave/recipes.py test train` to update checked-in golden files. This might no longer be necessary.
 
- 1. [`chrome-internal.googlesource.com/infradata/config`](http://chrome-internal.googlesource.com/infradata/config):
-
-    * Update **`configs/chromium-swarm/bots.cfg`** to map from the slaves requested in step 1 to the builder configured in step 2.
-
  1. [`chromium.googlesource.com/angle/angle`](http://chromium.googlesource.com/angle/angle):
 
     * Update **`infra/config/global/cr-buildbucket.cfg`** to add the new builder (to ci and try), and set the new config option.

infra/config/global/cr-buildbucket.cfg

@@ -95,6 +95,13 @@ builder_mixins {
   }
 }
 
+builder_mixins {
+  name: "builderless"
+  auto_builder_dimension: NO
+  dimensions: "builderless:1"
+  dimensions: "ssd:0"
+}
+
 buckets {
   name: "luci.angle.ci"
   acl_sets: "ci"
@@ -122,6 +129,7 @@ buckets {
       mixins: "linux"
       mixins: "clang"
       mixins: "dbg"
+      mixins: "builderless"
     }
 
     builders {
@@ -129,6 +137,7 @@ buckets {
       mixins: "linux"
       mixins: "clang"
       mixins: "rel"
+      mixins: "builderless"
     }
 
     builders {
@@ -136,6 +145,7 @@ buckets {
       mixins: "linux"
       mixins: "no_clang"
       mixins: "dbg"
+      mixins: "builderless"
     }
 
     builders {
@@ -143,6 +153,7 @@ buckets {
       mixins: "linux"
       mixins: "no_clang"
       mixins: "rel"
+      mixins: "builderless"
     }
 
     builders {
@@ -163,6 +174,7 @@ buckets {
       mixins: "no_clang"
       mixins: "x86"
       mixins: "dbg"
+      mixins: "builderless"
     }
 
     builders {
@@ -171,6 +183,7 @@ buckets {
       mixins: "no_clang"
       mixins: "x86"
       mixins: "rel"
+      mixins: "builderless"
     }
 
     builders {
@@ -179,6 +192,7 @@ buckets {
       mixins: "no_clang"
       mixins: "x64"
       mixins: "dbg"
+      mixins: "builderless"
     }
 
     builders {
@@ -187,6 +201,7 @@ buckets {
       mixins: "no_clang"
       mixins: "x64"
       mixins: "rel"
+      mixins: "builderless"
     }
 
     builders {
@@ -195,6 +210,7 @@ buckets {
       mixins: "clang"
       mixins: "x86"
       mixins: "dbg"
+      mixins: "builderless"
     }
 
     builders {
@@ -203,6 +219,7 @@ buckets {
       mixins: "clang"
       mixins: "x86"
       mixins: "rel"
+      mixins: "builderless"
     }
 
     builders {
@@ -211,6 +228,7 @@ buckets {
       mixins: "clang"
       mixins: "x64"
       mixins: "dbg"
+      mixins: "builderless"
     }
 
     builders {
@@ -219,6 +237,7 @@ buckets {
       mixins: "clang"
       mixins: "x64"
       mixins: "rel"
+      mixins: "builderless"
     }
   }
 }