Deprecate Sensu images

Support for Sensu has been dropped by CentOS/RHEL, and this was the main
consumer of these images.

This patch also marks opendaylight and mongodb images as deprecated on
the support matrix, as they have also been deprecated.

Change-Id: I4d7ef79df435b540137d1eb4058f8222baf17529

doc/source/matrix_aarch64.csv

@@ -47,7 +47,7 @@ masakari,N,C,N,C,N,C
 memcached,C,C,C,C,N,C
 mistral,C,C,C,C,N,C
 monasca,N,N,N,N,N,N
-mongodb,N,N,C,C,N,N
+mongodb (deprecated),N,N,C,C,N,N
 multipathd,C,C,C,C,N,C
 murano,C,C,C,C,N,C
 neutron,C,C,C,C,N,C
@@ -55,7 +55,7 @@ neutron-mlnx-agent,C,C,N,C,N,C
 nova,C,C,C,C,N,C
 novajoin,C,C,N,C,N,C
 octavia,C,C,N,C,N,C
-opendaylight,N,N,N,N,N,N
+opendaylight (deprecated),N,N,N,N,N,N
 openvswitch,C,C,C,C,N,C
 ovn,C,C,C,C,N,C
 ovsdpdk,N,N,C,C,N,N
@@ -73,7 +73,7 @@ rsyslog,C,C,C,C,N,C
 sahara,C,C,C,C,N,C
 searchlight,N,C,N,C,N,C
 senlin,C,C,C,C,N,C
-sensu,C,C,N,N,N,N
+sensu (deprecated),C,C,N,N,N,N
 skydive,N,N,N,N,N,N
 solum,N,C,N,C,N,C
 storm,C,C,C,C,N,C

doc/source/matrix_x86.csv

@@ -47,7 +47,7 @@ masakari,N,T,N,T,N,C
 memcached,T,T,T,T,N,C
 mistral,C,T,N,C,N,C
 monasca,N,C,N,C,N,N
-mongodb,C,C,C,C,N,N
+mongodb (deprecated),C,C,C,C,N,N
 multipathd,C,C,C,C,N,C
 murano,C,C,C,C,N,C
 neutron,T,T,T,T,N,T
@@ -55,7 +55,7 @@ neutron-mlnx-agent,C,C,N,C,N,C
 nova,T,T,T,T,N,T
 novajoin,C,C,N,C,N,C
 octavia,C,C,N,C,N,C
-opendaylight,C,C,C,C,N,N
+opendaylight (deprecated),C,C,C,C,N,N
 openvswitch,T,T,T,T,N,T
 ovn,C,C,C,C,N,C
 ovsdpdk,N,N,C,C,N,N
@@ -73,7 +73,7 @@ rsyslog,C,C,C,C,N,C
 sahara,C,C,C,C,N,C
 searchlight,N,C,N,C,N,C
 senlin,C,C,C,C,N,C
-sensu,C,C,C,C,N,N
+sensu (deprecated),C,C,C,C,N,N
 skydive,C,C,C,C,N,C
 solum,N,C,N,C,N,C
 storm,C,C,C,C,N,C

kolla/image/build.py

@@ -149,7 +149,7 @@ UNBUILDABLE_IMAGES = {
         "nova-spicehtml5proxy",  # Missing spicehtml5 package
         "opendaylight",          # Missing opendaylight repo
         "ovsdpdk",               # Not supported on CentOS
-        "sensu-base",            # Missing sensu package
+        "sensu-base",            # Dropped by CentOS
         "tgtd",                  # Not supported on CentOS 8
     },
 

releasenotes/notes/deprecate-sensu-5bc4562c902d7fbf.yaml

@@ -0,0 +1,6 @@
+---
+deprecations:
+  - |
+    Deprecates support for Sensu images. In Victoria support for Sensu images
+    will be removed from Kolla. Note CentOS 8 already lost support for Sensu
+    due to decisions made upstream.