Set resource requests on package builds (#29922)

gitlab ci: Set resource requests explicitly

This PR sets resource requests for the Kubernetes executor, which should aid in
better workload scheduling in the cluster.  The specific values were derived from
profile data taken from several full "from scratch" rebuilds in a separate worker pool.

Co-authored-by: Zack Galbreath <zack.galbreath@kitware.com>

share/spack/gitlab/cloud_pipelines/stacks/tutorial/spack.yaml

@@ -64,19 +64,76 @@ spack:
       - spack env activate --without-view .
       - spack config add "config:install_tree:projections:${SPACK_JOB_SPEC_PKG_NAME}:'morepadding/{architecture}/{compiler.name}-{compiler.version}/{name}-{version}-{hash}'"
       - spack -d ci rebuild
+
+    image: { "name": "ghcr.io/spack/tutorial-ubuntu-18.04:v2021-11-02", "entrypoint": [""] }
     mappings:
-      - match: [llvm]
+      - match:
+          - cmake
+          - dyninst
+          - gcc
+          - mpich
+          - netlib-lapack
+          - trilinos
         runner-attributes:
-          image: { "name": "ghcr.io/spack/tutorial-ubuntu-18.04:v2021-11-02", "entrypoint": [""] }
-          tags: ["spack", "public", "huge", "x86_64"]
-      - match: [trilinos, gcc]
+          tags: ["spack", "public", "large", "x86_64"]
+          variables:
+            CI_JOB_SIZE: large
+            KUBERNETES_CPU_REQUEST: 8000m
+            KUBERNETES_MEMORY_REQUEST: 12G
+
+      - match:
+            - autoconf-archive
+            - boost
+            - hdf5
+            - libtool
+            - libxml2
+            - openblas
+            - openmpi
+            - py-beniget
+            - py-scipy
+            - slurm
         runner-attributes:
-          image: { "name": "ghcr.io/spack/tutorial-ubuntu-18.04:v2021-11-02", "entrypoint": [""] }
-          tags: ["spack", "public", "xlarge", "x86_64"]
+          tags: ["spack", "public", "medium", "x86_64"]
+          variables:
+            CI_JOB_SIZE: "medium"
+            KUBERNETES_CPU_REQUEST: "2000m"
+            KUBERNETES_MEMORY_REQUEST: "4G"
+
+      - match:
+            - automake
+            - bzip2
+            - expat
+            - findutils
+            - gdbm
+            - json-c
+            - libedit
+            - libevent
+            - libfabric
+            - libffi
+            - libiconv
+            - libidn2
+            - libmd
+            - libpciaccess
+            - lua
+            - meson
+            - pdsh
+            - pkgconf
+            - readline
+            - superlu
+            - tar
+            - util-linux-uuid
+        runner-attributes:
+          tags: ["spack", "public", "small", "x86_64"]
+          variables:
+            CI_JOB_SIZE: "small"
+            KUBERNETES_CPU_REQUEST: "500m"
+            KUBERNETES_MEMORY_REQUEST: "500M"
+
       - match: ['@:']
         runner-attributes:
-          image: { "name": "ghcr.io/spack/tutorial-ubuntu-18.04:v2021-11-02", "entrypoint": [""] }
-          tags: ["spack", "public", "large", "x86_64"]
+          tags: ["spack", "public", "x86_64"]
+          variables:
+            CI_JOB_SIZE: default
     temporary-storage-url-prefix: "s3://spack-binaries-prs/pipeline-storage"
     broken-specs-url: "s3://spack-binaries-develop/broken-specs"
     service-job-attributes:
@@ -84,7 +141,8 @@ spack:
       before_script:
         - . "./share/spack/setup-env.sh"
         - spack --version
-      tags: ["spack", "public", "medium", "x86_64"]
+      tags: ["spack", "public", "x86_64"]
+
 
   cdash:
     build-group: Spack Tutorial