cephadm: samba metrics-exporter image

Samba metrics-exporter runs as a different process along-side main
samba-server (sidecar) and has its own container-image. Add default
image URL and option to control alternative image (where empty string
implies running without metrics-exporter).

Signed-off-by: Shachar Sharon <[email protected]>

Author: synarete

src/cephadm/cephadmlib/constants.py

@@ -19,6 +19,7 @@
 DEFAULT_JAEGER_AGENT_IMAGE = 'quay.io/jaegertracing/jaeger-agent:1.29'
 DEFAULT_JAEGER_QUERY_IMAGE = 'quay.io/jaegertracing/jaeger-query:1.29'
 DEFAULT_SMB_IMAGE = 'quay.io/samba.org/samba-server:devbuilds-centos-amd64'
+DEFAULT_SMBMETRICS_IMAGE = 'quay.io/samba.org/samba-metrics:latest'
 DEFAULT_NGINX_IMAGE = 'quay.io/ceph/nginx:1.26.1'
 DEFAULT_OAUTH2_PROXY_IMAGE = 'quay.io/oauth2-proxy/oauth2-proxy:v7.6.0'
 DEFAULT_REGISTRY = 'docker.io'  # normalize unqualified digests to this

src/pybind/mgr/cephadm/module.py

@@ -148,6 +148,7 @@ def os_exit_noop(status: int) -> None:
 DEFAULT_OAUTH2_PROXY = 'quay.io/oauth2-proxy/oauth2-proxy:v7.6.0'
 DEFAULT_JAEGER_QUERY_IMAGE = 'quay.io/jaegertracing/jaeger-query:1.29'
 DEFAULT_SAMBA_IMAGE = 'quay.io/samba.org/samba-server:devbuilds-centos-amd64'
+DEFAULT_SAMBA_METRICS_IMAGE = 'quay.io/samba.org/samba-metrics:latest'
 # ------------------------------------------------------------------------------
 
 
@@ -319,6 +320,11 @@ class CephadmOrchestrator(orchestrator.Orchestrator, MgrModule,
             default=DEFAULT_SAMBA_IMAGE,
             desc='Samba/SMB container image',
         ),
+        Option(
+            'container_image_samba_metrics',
+            default=DEFAULT_SAMBA_METRICS_IMAGE,
+            desc='Samba/SMB metrics exporter container image',
+        ),
         Option(
             'warn_on_stray_hosts',
             type='bool',
@@ -585,6 +591,7 @@ def __init__(self, *args: Any, **kwargs: Any):
             self.container_image_jaeger_collector = ''
             self.container_image_jaeger_query = ''
             self.container_image_samba = ''
+            self.container_image_samba_metrics = ''
             self.warn_on_stray_hosts = True
             self.warn_on_stray_daemons = True
             self.warn_on_failed_host_check = True