OpenShift Runtime: Difference between revisions
Line 46: | Line 46: | ||
Configuration Files: | Configuration Files: | ||
* <tt>/etc/sysconfig/atomic-openshift-master-api</tt>, which contains command line options for the process. | * <tt>/etc/sysconfig/atomic-openshift-master-api</tt>, which contains command line options for the process, such as <tt>--loglevel</tt>, etc. | ||
* <tt>[[Master-config.yml|/etc/origin/master/master-config.yaml]]</tt> | * <tt>[[Master-config.yml|/etc/origin/master/master-config.yaml]]</tt> | ||
Revision as of 20:59, 17 May 2017
Internal
Master Node
The master node runs, in order, these services:
The master daemon (or daemons) must be started after etcd is started, they depend on etcd. They are started before the node service.
etcd Daemon
Unit: etcd.service
Unit File: /usr/lib/systemd/system/etcd.service
Working Directory: /var/lib/etcd
Configuration File: /etc/etcd/etcd.conf
Process:
/usr/bin/etcd --name=master1.rdu20.internal --data-dir=/var/lib/etcd --listen-client-urls=https://192.199.0.199:2379
master Daemons
In a non-HA deployment, the master api daemon and master controller daemon are coalesced in a single process. In HA environments, they are separated, so the master api daemon processes can be load-balanced among, while the master controller daemon run in an active/passive configuration, there is just one active master controller daemon instance in the cluster.
master api Daemon
Depends On: etcd
Unit: atomic-openshift-master-api.service
Unit File: /usr/lib/systemd/system/atomic-openshift-master-api.service
Working Directory: /var/lib/origin
Configuration Files:
- /etc/sysconfig/atomic-openshift-master-api, which contains command line options for the process, such as --loglevel, etc.
- /etc/origin/master/master-config.yaml
Process:
/usr/bin/etcd --name=master1.rdu20.internal --data-dir=/var/lib/etcd --listen-client-urls=https://192.199.0.199:2379
master controller Daemon
Unit: atomic-openshift-master-controllers.service
Unit File: /usr/lib/systemd/system/atomic-openshift-master-controllers.service
Working Directory: /var/lib/etcd
Configuration File: /etc/etcd/etcd.conf
Process:
/usr/bin/etcd --name=master1.rdu20.internal --data-dir=/var/lib/etcd --listen-client-urls=https://192.199.0.199:2379