Add kata containers support

Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>

common/docs/containers.conf.5.md

@@ -314,7 +314,7 @@ Pull image before running or creating a container. The default is **missing**.
   Default OCI specific runtime in runtimes that will be used by default. Must
 refer to a member of the runtimes table.
 
-**runtime_supports_json**=["crun", "runc"]
+**runtime_supports_json**=["crun", "runc", "kata"]
   The list of the OCI runtimes that support `--format=json`.
 
 **runtime_supports_nocgroups**=["crun"]

common/pkg/config/config_test.go

@@ -256,6 +256,15 @@ var _ = Describe("Config", func() {
 			defaultConfig, err := readConfigFromFile("testdata/containers_default.conf", conf)
 
 			OCIRuntimeMap := map[string][]string{
+				"kata": {
+
+					"/usr/bin/kata-runtime",
+					"/usr/sbin/kata-runtime",
+					"/usr/local/bin/kata-runtime",
+					"/usr/local/sbin/kata-runtime",
+					"/sbin/kata-runtime",
+					"/bin/kata-runtime",
+				},
 				"runc": {
 					"/usr/bin/runc",
 					"/usr/sbin/runc",

common/pkg/config/containers.conf

@@ -345,9 +345,9 @@
 # List of the OCI runtimes that support --format=json.  When json is supported
 # engine will use it for reporting nicer errors.
 #
-# runtime_supports_json = ["crun", "runc"]
+# runtime_supports_json = ["crun", "runc", "kata"]
 
-# Paths to look for a valid OCI runtime (runc, runv, etc)
+# Paths to look for a valid OCI runtime (runc, runv, kata, etc)
 [engine.runtimes]
 # runc = [
 #        "/usr/bin/runc",
@@ -369,6 +369,15 @@
 #            "/run/current-system/sw/bin/crun",
 # ]
 
+# kata = [
+#            "/usr/bin/kata-runtime",
+#            "/usr/sbin/kata-runtime",
+#            "/usr/local/bin/kata-runtime",
+#            "/usr/local/sbin/kata-runtime",
+#            "/sbin/kata-runtime",
+#            "/bin/kata-runtime",
+# ]
+
 # Number of seconds to wait for container to exit before sending kill signal.
 #stop_timeout = 10
 

common/pkg/config/default.go

@@ -234,6 +234,14 @@ func defaultConfigFromMemory() (*EngineConfig, error) {
 			"/bin/crun",
 			"/run/current-system/sw/bin/crun",
 		},
+		"kata": {
+			"/usr/bin/kata-runtime",
+			"/usr/sbin/kata-runtime",
+			"/usr/local/bin/kata-runtime",
+			"/usr/local/sbin/kata-runtime",
+			"/sbin/kata-runtime",
+			"/bin/kata-runtime",
+		},
 	}
 	c.ConmonEnvVars = []string{
 		"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",