NTP Server
Usefull chrony commands
| chronyc -a makestep
chronyc tracking
chronyc sources
|
MachineConfig
Warning
If you apply the machine config, all nodes will reboot one after the other.
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51 | chronybase64=$(cat << EOF | base64 -w 0
server <NTPSERVER> iburst
driftfile /var/lib/chrony/drift
makestep 1.0 3
rtcsync
keyfile /etc/chrony.keys
leapsectz right/UTC
logdir /var/log/chrony
EOF
)
oc apply -f - << EOF
apiVersion: machineconfiguration.openshift.io/v1
kind: MachineConfig
metadata:
labels:
machineconfiguration.openshift.io/role: worker
name: 50-worker-chrony
spec:
config:
ignition:
version: 3.1.0
storage:
files:
- contents:
source: data:text/plain;charset=utf-8;base64,${chronybase64}
filesystem: root
mode: 0644
path: /etc/chrony.conf
EOF
oc apply -f - << EOF
apiVersion: machineconfiguration.openshift.io/v1
kind: MachineConfig
metadata:
labels:
machineconfiguration.openshift.io/role: master
name: 50-master-chrony
spec:
config:
ignition:
version: 3.1.0
storage:
files:
- contents:
source: data:text/plain;charset=utf-8;base64,${chronybase64}
filesystem: root
mode: 0644
path: /etc/chrony.conf
EOF
|
Last update: August 3, 2021