TELCODOCS-628: Removing chronyd from extra manifests

Author: amolnar-rh

modules/ztp-configuring-the-cluster-for-a-disconnected-environment.adoc

@@ -81,14 +81,7 @@ spec:
 ----
 <1> Must match the URLs of the HTTPD server.
 
-. For disconnected installations, you must deploy an NTP clock that is reachable through the disconnected network.
-You can do this by configuring chrony to act as server, editing the `/etc/chrony.conf` file, and adding the following allowed IPv6 range:
-+
-[source,text]
-----
-# Allow NTP client access from local network.
-#allow 192.168.0.0/16
-local stratum 10
-bindcmdaddress ::
-allow 2620:52:0:1310::/64
-----
+[IMPORTANT]
+====
+A valid NTP server is required during cluster installation. Ensure that a suitable NTP server is available and can be reached from the installed clusters through the disconnected network.
+====

modules/ztp-deploying-a-site.adoc

@@ -182,6 +182,6 @@ The `SiteConfig` CR creates the following CRs on the hub cluster:
 * `ClusterDeployment`
 * `InfraEnv`
 * `NMStateConfig` - One per node
-* `ExtraManifestsConfigMap` - Extra manifests. The additional manifests include workload partitioning, chronyd, mountpoint hiding, sctp enablement, and more.
+* `ExtraManifestsConfigMap` - Extra manifests. The extra manifests include workload partitioning, mountpoint hiding, sctp enablement, and more. To automatically merge the extra manifests into a single manifest per each `MachineConfigPool` role, which is named as `predefined-extra-manifests-<role>`, set the `.spec.clusters.mergeDefaultMachineConfigs` to `true` in the `SiteConfig.yaml` file.
 * `ManagedCluster`
-* `KlusterletAddonConfig`
+* `KlusterletAddonConfig`

modules/ztp-du-cluster-config-reference.adoc

@@ -84,6 +84,7 @@ spec:
         group.ice-ptp=0:f:10:*:ice-ptp.*
         [service]
         service.stalld=start,enable
+        service.chronyd=stop,disable
 ----
 <1> Listed CPUs depend on the host hardware configuration, specifically the number of available CPUs in the system and the CPU topology.
 

modules/ztp-generating-ran-policies.adoc

@@ -69,7 +69,6 @@ out
 │   └── common-sriov-sub-policy.yaml
 ├── groups
 │   ├── group-du
-│   │   ├── group-du-mc-chronyd-policy.yaml
 │   │   ├── group-du-mc-mount-ns-policy.yaml
 │   │   ├── group-du-mcp-du-policy.yaml
 │   │   ├── group-du-mc-sctp-policy.yaml