(DOCSP-33340) Document readiness probe environment variables for MEKO. (#1474)

* (DOCSP-33340) Document readiness probe environment variables for MEKO.

* (DOCSP-33340) Review.

* Testing new webhook

* Testing new webhook

* (DOCSP-33340) Copy review.

Author: lmkerbey-mdb

source/includes/op-setting-descs/readiness-probe-logger-backups.rst

@@ -0,0 +1,4 @@
+The number of rotated ``readiness.log`` backup files maintained by the 
+Readiness Probe.
+
+The default value is **5**.

source/includes/op-setting-descs/readiness-probe-logger-max-age.rst

@@ -0,0 +1,7 @@
+The maximum number of days to retain rotated ``readiness.log`` files,
+starting with the date in the file timestamp. If set to **0**, the
+|k8s-op-short| doesn't remove ``readiness.log`` files on the basis of
+age, instead relying on ``READINESS_PROBE_LOGGER_BACKUPS`` to determine
+retention.
+
+The default value is **0**.

source/includes/op-setting-descs/readiness-probe-logger-max-size.rst

@@ -0,0 +1,3 @@
+The maximum size of the ``readiness.log`` file in MB. 
+
+The default value is **100**.

source/reference/kubectl-operator-settings.txt

@@ -489,6 +489,72 @@ OPS_MANAGER_IMAGE_REPOSITORY
                  - name: OPS_MANAGER_IMAGE_REPOSITORY
                    value: quay.io/mongodb/mongodb-enterprise-ops-manager-ubi
 
+READINESS_PROBE_LOGGER_BACKUPS
+------------------------------
+
+.. include:: /includes/op-setting-descs/readiness-probe-logger-backups.rst
+
+.. example::
+
+   .. code-block:: yaml
+      :linenos:
+
+      spec:
+        template:
+          spec:
+            serviceAccountName: mongodb-enterprise-operator
+            containers:
+              - name: mongodb-enterprise-operator
+                image: <operatorVersionUrl>
+                imagePullPolicy: <policyChoice>
+                env:
+                 - name: READINESS_PROBE_LOGGER_BACKUPS
+                   value: 1
+
+READINESS_PROBE_LOGGER_MAX_SIZE
+-------------------------------
+
+.. include:: /includes/op-setting-descs/readiness-probe-logger-max-size.rst
+
+.. example::
+
+   .. code-block:: yaml
+      :linenos:
+
+      spec:
+        template:
+          spec:
+            serviceAccountName: mongodb-enterprise-operator
+            containers:
+              - name: mongodb-enterprise-operator
+                image: <operatorVersionUrl>
+                imagePullPolicy: <policyChoice>
+                env:
+                 - name: READINESS_PROBE_LOGGER_MAX_SIZE
+                   value: 125
+
+READINESS_PROBE_LOGGER_MAX_AGE
+------------------------------
+
+.. include:: /includes/op-setting-descs/readiness-probe-logger-max-age.rst
+
+.. example::
+
+   .. code-block:: yaml
+      :linenos:
+
+      spec:
+        template:
+          spec:
+            serviceAccountName: mongodb-enterprise-operator
+            containers:
+              - name: mongodb-enterprise-operator
+                image: <operatorVersionUrl>
+                imagePullPolicy: <policyChoice>
+                env:
+                 - name: READINESS_PROBE_LOGGER_MAX_AGE
+                   value: 3
+
 WATCH_NAMESPACE
 ---------------