tmt: parallelize iso and qemu test tracks

Split the single kola plan into kola-qemu and kola-iso so Testing Farm
provisions two independent machines and runs the tracks concurrently.

Author: Roshan-R

tmt/plans/kola-iso.fmf

@@ -0,0 +1,32 @@
+discover:
+  how: fmf
+  test:
+    - init
+    - build-iso
+    - test-iso
+adjust+:
+  - when: arch == x86_64 or arch == aarch64
+    provision:
+      hardware:
+        cpu:
+          processors: ">= 4"
+        memory: ">= 8 GB"
+        disk:
+          - size: ">= 50 GB"
+        virtualization:
+          is-supported: true
+prepare:
+  - how: install
+    package:
+      - libvirt
+      - qemu-kvm
+      - qemu-img
+      - skopeo
+      - virt-install
+      - wget
+      - jq
+      - git
+  - how: shell
+    script: podman pull quay.io/coreos-assembler/coreos-assembler:latest
+execute:
+  how: tmt

tmt/plans/kola.fmf tmt/plans/kola-qemu.fmftmt/plans/kola.fmf renamed to tmt/plans/kola-qemu.fmf

@@ -4,8 +4,6 @@ discover:
     - init
     - build-qemu
     - test-qemu
-    - build-iso
-    - test-iso
 adjust+:
   - when: arch == x86_64 or arch == aarch64
     provision:

tmt/tests/build-iso.sh

@@ -3,4 +3,13 @@ set -eo pipefail
 set -x
 
 source $HOME/utils.sh
+
+mkdir -p $COSA_DIR
+cosa init --force ${TESTING_FARM_GIT_URL} --branch ${TESTING_FARM_GIT_REF}
+cosa import docker://$IMAGE_URL
+CONFIG_COMMIT=$(jq -r ".\"coreos-assembler.oci-imported-labels\".\"vcs-ref\"" ${COSA_DIR}/builds/latest/$(arch)/meta.json)
+pushd ${COSA_DIR}/src/config
+git config --global --add safe.directory ${COSA_DIR}/src/config
+git checkout $CONFIG_COMMIT
+popd
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