Add a system test to verify --runtime is preserved

Signed-off-by: Matthew Heon <matthew.heon@pm.me>

contrib/cirrus/setup_environment.sh

@@ -127,9 +127,6 @@ case "$PRIV_NAME" in
             echo "$_suns" >> /etc/environment
             source /etc/environment
         fi
-
-# Reload to incorporate any changes from above
-source "$SCRIPT_BASE/lib.sh"
         ;;
     rootless)
         _ru="export ROOTLESS_USER='${ROOTLESS_USER:-some${RANDOM}dude}'"

test/e2e/common_test.go

@@ -235,14 +235,7 @@ func PodmanTestCreateUtil(tempDir string, remote bool) *PodmanTestIntegration {
 
 	ociRuntime := os.Getenv("OCI_RUNTIME")
 	if ociRuntime == "" {
-		var err error
+		ociRuntime = "crun"
-		ociRuntime, err = exec.LookPath("crun")
-		// If we cannot find the crun binary, setting to something static as we have no way
-		// to return an error.  The tests will fail and point out that the runc binary could
-		// not be found nicely.
-		if err != nil {
-			ociRuntime = "/usr/bin/runc"
-		}
 	}
 	os.Setenv("DISABLE_HC_SYSTEMD", "true")
 	CNIConfigDir := "/etc/cni/net.d"

test/system/030-run.bats

@@ -460,4 +460,17 @@ json-file | f
     is "$output" "$expect" "podman run with --tz=local, matches host"
 }
 
+# run with --runtime should preserve the named runtime
+@test "podman run : full path to --runtime is preserved" {
+    skip_if_cgroupsv1
+    skip_if_remote
+    run_podman run -d --runtime '/usr/bin/crun' $IMAGE sleep 60
+    cid="$output"
+
+    run_podman inspect --format '{{.OCIRuntime}}' $cid
+    is "$output" "/usr/bin/crun"
+
+    run_podman kill $cid
+}
+
 # vim: filetype=sh

test/system/helpers.bash

@@ -253,6 +253,7 @@ function is_cgroupsv1() {
     ! is_cgroupsv2
 }
 
+# True if cgroups v2 are enabled
 function is_cgroupsv2() {
     cgroup_type=$(stat -f -c %T /sys/fs/cgroup)
     test "$cgroup_type" = "cgroup2fs"
@@ -305,6 +306,15 @@ function skip_if_no_selinux() {
     fi
 }
 
+#######################
+#  skip_if_cgroupsv1  #  ...with an optional message
+#######################
+function skip_if_cgroupsv1() {
+    if ! is_cgroupsv2; then
+        skip "${1:-test requires cgroupsv2}"
+    fi
+}
+
 #########
 #  die  #  Abort with helpful message
 #########