Split build-gating plan to two to avoid disk usage issues

Kernel rebuild is pretty hungry, and may starve out the rest of the
tests. By putting it in its own plan, CI systems will run it on its own
dedicated box.

plans/build-gating.fmf

@@ -4,10 +4,6 @@
 
 summary: "Build/PR gating tests for binutils"
 
-discover:
-    how: fmf
-    filter: "tag:gate-build"
-
 # Adjust rules
 adjust+:
   - because: "Plan to be ran when executed locally, or executed by CI system to gate a build or PR."
@@ -38,3 +34,15 @@ adjust+:
         script:
           - dnf config-manager --set-enabled rhel-CRB
           - dnf config-manager --set-enabled rhel-buildroot
+
+/common:
+    discover:
+      - how: fmf
+        filter: "tag:gate-build"
+        exclude: '^/tests/Sanity/rebuild-kernel-and-reboot$'
+
+/kernel-rebuild:
+    discover:
+      - how: fmf
+        filter: "tag:gate-build"
+        test: '^/tests/Sanity/rebuild-kernel-and-reboot$'

tests/Sanity/rebuild-kernel-and-reboot/main.fmf

@@ -48,6 +48,11 @@ require+:
 
 # Adjust rules
 adjust+:
+  - because: "kernel package is gone from Fedora Rawhide default installation"
+    when: distro == fedora-rawhide
+    environment+:
+        KERNEL: kernel-core
+
   - because: "python-devel has different names in different distros"
     when: distro == rhel-8.9.0
     require+:

tests/Sanity/rebuild-kernel-and-reboot/test.sh

@@ -53,7 +53,7 @@ esac
 # name (e.g. kernel-PAE).
 KERNEL="${KERNEL:-kernel}"
 
-RPM_BUILD_ID="${RPM_BUILD_ID:-.LimeKitten}"
+RPM_BUILD_ID="${RPM_BUILD_ID:-.LK}"
 
 # Workaround possible restraint issues - restraint may fail to set REBOOTCOUNT properly.
 REBOOT_FLAG=/.rebuild-kernel-and-reboot.flag
@@ -82,6 +82,11 @@ rlJournalStart
             rlLogInfo "    $line"
         done
 
+        rlLogInfo 'Installed packages:'
+        rpm -qa | sort | while read line; do
+            rlLogInfo "    $line"
+        done
+
         rlRun "AFTER_REBOOT=no"
 
         if [ "$REBOOTCOUNT" != "0" ]; then

tests/lib.sh

@@ -2,6 +2,9 @@
 
 . /usr/share/beakerlib/beakerlib.sh || exit 1
 
+BU_TMPDIR_PARENT="${BU_TMPDIR_PARENT:-/tmp}"
+
+
 function buTestHeader () {
     _LD="$(which ld)"
     _GCC="$(which gcc)"
@@ -16,6 +19,7 @@ function buTestHeader () {
     rlLogInfo "COLLECTION_PACKAGES=$COLLECTION_PACKAGES"
     rlLogInfo "LD=$_LD"
     rlLogInfo "GCC=$_GCC"
+    rlLogInfo "BU_TMPDIR_PARENT=$BU_TMPDIR_PARENT"
 
     rlAssertRpm --all
 
@@ -44,7 +48,7 @@ function buTestHeader () {
 
 
 function buEnterTmpDir () {
-    rlRun "export TmpDir=$(mktemp -d)" 0 "Creating tmp directory"
+    rlRun "export TmpDir=$(mktemp -d -p $BU_TMPDIR_PARENT)" 0 "Creating tmp directory"
     rlRun "pushd $TmpDir"
 }
 

tests/main.fmf

@@ -14,6 +14,10 @@ require+:
 
 # Adjust rules
 adjust+:
+  - when: distro == fedora-rawhide,rhel-9
+    environment+:
+      BU_TMPDIR_PARENT: "/"
+
   # RHEL-9 / no collection
   - when: distro == rhel-9 and collection is not defined
     require+: