Fix missing OCI Runtime

contrib/cirrus/setup_environment.sh

@@ -52,7 +52,7 @@ case "$CG_FS_TYPE" in
             if [[ "$OS_RELEASE_ID" == "ubuntu" ]]; then
                 echo "export OCI_RUNTIME=/usr/lib/cri-o-runc/sbin/runc" >> /etc/environment
             else
-                echo "export OCI_RUNTIME=/usr/bin/runc" >> /etc/environment
+                echo "export OCI_RUNTIME=runc" >> /etc/environment
             fi
         fi
         ;;
@@ -61,7 +61,7 @@ case "$CG_FS_TYPE" in
             # This is necessary since we've built/installed from source,
             # which uses runc as the default.
             warn "Forcing testing with crun instead of runc"
-            echo "export OCI_RUNTIME=/usr/bin/crun" >> /etc/environment
+            echo "export OCI_RUNTIME=crun" >> /etc/environment
         fi
         ;;
     *) die_unknown CG_FS_TYPE

libpod/boltdb_state_internal.go

@@ -2,7 +2,7 @@ package libpod
 
 import (
 	"bytes"
-	"path/filepath"
+	"os"
 	"runtime"
 	"strings"
 
@@ -400,14 +400,30 @@ func (s *BoltState) getContainerFromDB(id []byte, ctr *Container, ctrsBkt *bolt.
 		// Handle legacy containers which might use a literal path for
 		// their OCI runtime name.
 		runtimeName := ctr.config.OCIRuntime
-		if strings.HasPrefix(runtimeName, "/") {
-			runtimeName = filepath.Base(runtimeName)
-		}
-
 		ociRuntime, ok := s.runtime.ociRuntimes[runtimeName]
 		if !ok {
-			// Use a MissingRuntime implementation
-			ociRuntime = getMissingRuntime(runtimeName, s.runtime)
+			runtimeSet := false
+
+			// If the path starts with a / and exists, make a new
+			// OCI runtime for it using the full path.
+			if strings.HasPrefix(runtimeName, "/") {
+				if stat, err := os.Stat(runtimeName); err == nil && !stat.IsDir() {
+					newOCIRuntime, err := newConmonOCIRuntime(runtimeName, []string{runtimeName}, s.runtime.conmonPath, s.runtime.runtimeFlags, s.runtime.config)
+					if err == nil {
+						// The runtime lock should
+						// protect against concurrent
+						// modification of the map.
+						ociRuntime = newOCIRuntime
+						s.runtime.ociRuntimes[runtimeName] = ociRuntime
+						runtimeSet = true
+					}
+				}
+			}
+
+			if !runtimeSet {
+				// Use a MissingRuntime implementation
+				ociRuntime = getMissingRuntime(runtimeName, s.runtime)
+			}
 		}
 		ctr.ociRuntime = ociRuntime
 	}

libpod/runtime.go

@@ -383,14 +383,12 @@ func makeRuntime(ctx context.Context, runtime *Runtime) (retErr error) {
 		// If the string starts with / it's a path to a runtime
 		// executable.
 		if strings.HasPrefix(runtime.config.Engine.OCIRuntime, "/") {
-			name := filepath.Base(runtime.config.Engine.OCIRuntime)
-
-			ociRuntime, err := newConmonOCIRuntime(name, []string{runtime.config.Engine.OCIRuntime}, runtime.conmonPath, runtime.runtimeFlags, runtime.config)
+			ociRuntime, err := newConmonOCIRuntime(runtime.config.Engine.OCIRuntime, []string{runtime.config.Engine.OCIRuntime}, runtime.conmonPath, runtime.runtimeFlags, runtime.config)
 			if err != nil {
 				return err
 			}
 
-			runtime.ociRuntimes[name] = ociRuntime
+			runtime.ociRuntimes[runtime.config.Engine.OCIRuntime] = ociRuntime
 			runtime.defaultOCIRuntime = ociRuntime
 		} else {
 			ociRuntime, ok := runtime.ociRuntimes[runtime.config.Engine.OCIRuntime]

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, 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"
-		}
+		ociRuntime = "crun"
 	}
 	os.Setenv("DISABLE_HC_SYSTEMD", "true")
 	CNIConfigDir := "/etc/cni/net.d"

test/endpoint/setup.go

@@ -51,14 +51,7 @@ func Setup(tempDir string) *EndpointTestIntegration {
 
 	ociRuntime := os.Getenv("OCI_RUNTIME")
 	if ociRuntime == "" {
-		var err error
-		ociRuntime, err = exec.LookPath("runc")
-		// If we cannot find the runc 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"
-		}
+		ociRuntime = "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
 #########