mgr/cephadm: add the samba container image for smb daemons

Signed-off-by: John Mulligan <jmulligan@redhat.com>

src/pybind/mgr/cephadm/module.py

@@ -132,6 +132,7 @@ def os_exit_noop(status: int) -> None:
 DEFAULT_JAEGER_COLLECTOR_IMAGE = 'quay.io/jaegertracing/jaeger-collector:1.29'
 DEFAULT_JAEGER_AGENT_IMAGE = 'quay.io/jaegertracing/jaeger-agent:1.29'
 DEFAULT_JAEGER_QUERY_IMAGE = 'quay.io/jaegertracing/jaeger-query:1.29'
+DEFAULT_SAMBA_IMAGE = 'quay.io/samba.org/samba-server:devbuilds-centos-amd64'
 # ------------------------------------------------------------------------------
 
 
@@ -288,6 +289,11 @@ class CephadmOrchestrator(orchestrator.Orchestrator, MgrModule,
             default=DEFAULT_JAEGER_QUERY_IMAGE,
             desc='Jaeger query container image',
         ),
+        Option(
+            'container_image_samba',
+            default=DEFAULT_SAMBA_IMAGE,
+            desc='Samba/SMB container image',
+        ),
         Option(
             'warn_on_stray_hosts',
             type='bool',
@@ -552,6 +558,7 @@ def __init__(self, *args: Any, **kwargs: Any):
             self.container_image_jaeger_agent = ''
             self.container_image_jaeger_collector = ''
             self.container_image_jaeger_query = ''
+            self.container_image_samba = ''
             self.warn_on_stray_hosts = True
             self.warn_on_stray_daemons = True
             self.warn_on_failed_host_check = True
@@ -1617,6 +1624,8 @@ def _get_container_image(self, daemon_name: str) -> Optional[str]:
             image = None
         elif daemon_type == 'snmp-gateway':
             image = self.container_image_snmp_gateway
+        elif daemon_type == SMBService.TYPE:
+            image = self.container_image_samba
         else:
             assert False, daemon_type