From 96df370b8208d0a90dac7e38857dbcdce52fd161 Mon Sep 17 00:00:00 2001 From: Tim Bielawa Date: Fri, 16 Dec 2016 08:41:40 -0800 Subject: Deprecate node 'evacuation' with 'drain' * https://trello.com/c/TeaEB9fX/307-3-deprecate-node-evacuation --- .../byo/openshift-cluster/upgrades/docker/docker_upgrade.yml | 8 ++++---- playbooks/common/openshift-cluster/redeploy-certificates.yml | 8 ++++---- playbooks/common/openshift-cluster/upgrades/upgrade_nodes.yml | 6 +++--- roles/openshift_node/README.md | 2 +- 4 files changed, 12 insertions(+), 12 deletions(-) diff --git a/playbooks/byo/openshift-cluster/upgrades/docker/docker_upgrade.yml b/playbooks/byo/openshift-cluster/upgrades/docker/docker_upgrade.yml index 0d451cf77..1e0a6d4e7 100644 --- a/playbooks/byo/openshift-cluster/upgrades/docker/docker_upgrade.yml +++ b/playbooks/byo/openshift-cluster/upgrades/docker/docker_upgrade.yml @@ -18,20 +18,20 @@ # If a node fails, halt everything, the admin will need to clean up and we # don't want to carry on, potentially taking out every node. The playbook can safely be re-run # and will not take any action on a node already running the requested docker version. -- name: Evacuate and upgrade nodes +- name: Drain and upgrade nodes hosts: oo_masters_to_config:oo_nodes_to_upgrade:oo_etcd_to_config serial: 1 any_errors_fatal: true tasks: - - name: Prepare for Node evacuation + - name: Prepare for Node draining command: > {{ openshift.common.client_binary }} adm manage-node {{ openshift.node.nodename }} --schedulable=false delegate_to: "{{ groups.oo_first_master.0 }}" when: l_docker_upgrade is defined and l_docker_upgrade | bool and inventory_hostname in groups.oo_nodes_to_upgrade - - name: Evacuate Node for Kubelet upgrade + - name: Drain Node for Kubelet upgrade command: > - {{ openshift.common.client_binary }} adm manage-node {{ openshift.node.nodename }} --evacuate --force + {{ openshift.common.client_binary }} adm manage-node {{ openshift.node.nodename }} --drain --force delegate_to: "{{ groups.oo_first_master.0 }}" when: l_docker_upgrade is defined and l_docker_upgrade | bool and inventory_hostname in groups.oo_nodes_to_upgrade diff --git a/playbooks/common/openshift-cluster/redeploy-certificates.yml b/playbooks/common/openshift-cluster/redeploy-certificates.yml index 5f008a045..5fc81bf3a 100644 --- a/playbooks/common/openshift-cluster/redeploy-certificates.yml +++ b/playbooks/common/openshift-cluster/redeploy-certificates.yml @@ -204,7 +204,7 @@ cp {{ openshift.common.config_base }}/master//admin.kubeconfig {{ mktemp.stdout }}/admin.kubeconfig changed_when: False -- name: Serially evacuate all nodes to trigger redeployments +- name: Serially drain all nodes to trigger redeployments hosts: oo_nodes_to_config serial: 1 any_errors_fatal: true @@ -222,7 +222,7 @@ was_schedulable: "{{ 'unschedulable' not in (node_output.stdout | from_json).spec }}" when: openshift_certificates_redeploy_ca | default(false) | bool - - name: Prepare for node evacuation + - name: Prepare for node draining command: > {{ openshift.common.client_binary }} adm --config={{ hostvars[groups.oo_first_master.0].mktemp.stdout }}/admin.kubeconfig manage-node {{ openshift.node.nodename }} @@ -230,11 +230,11 @@ delegate_to: "{{ groups.oo_first_master.0 }}" when: openshift_certificates_redeploy_ca | default(false) | bool and was_schedulable | bool - - name: Evacuate node + - name: Drain node command: > {{ openshift.common.client_binary }} adm --config={{ hostvars[groups.oo_first_master.0].mktemp.stdout }}/admin.kubeconfig manage-node {{ openshift.node.nodename }} - --evacuate --force + --drain --force delegate_to: "{{ groups.oo_first_master.0 }}" when: openshift_certificates_redeploy_ca | default(false) | bool and was_schedulable | bool diff --git a/playbooks/common/openshift-cluster/upgrades/upgrade_nodes.yml b/playbooks/common/openshift-cluster/upgrades/upgrade_nodes.yml index cefc7d12b..68b111df4 100644 --- a/playbooks/common/openshift-cluster/upgrades/upgrade_nodes.yml +++ b/playbooks/common/openshift-cluster/upgrades/upgrade_nodes.yml @@ -1,5 +1,5 @@ --- -- name: Evacuate and upgrade nodes +- name: Drain and upgrade nodes hosts: oo_nodes_to_upgrade # This var must be set with -e on invocation, as it is not a per-host inventory var # and is evaluated early. Values such as "20%" can also be used. @@ -39,9 +39,9 @@ retries: 3 delay: 1 - - name: Evacuate Node for Kubelet upgrade + - name: Drain Node for Kubelet upgrade command: > - {{ hostvars[groups.oo_first_master.0].openshift.common.client_binary }} adm manage-node {{ openshift.node.nodename | lower }} --evacuate --force + {{ hostvars[groups.oo_first_master.0].openshift.common.client_binary }} adm manage-node {{ openshift.node.nodename | lower }} --drain --force delegate_to: "{{ groups.oo_first_master.0 }}" when: inventory_hostname in groups.oo_nodes_to_upgrade diff --git a/roles/openshift_node/README.md b/roles/openshift_node/README.md index d1920c485..616f44c1d 100644 --- a/roles/openshift_node/README.md +++ b/roles/openshift_node/README.md @@ -43,7 +43,7 @@ Currently we support re-labeling nodes but we don't re-schedule running pods nor ``` oadm manage-node --schedulable=false ${NODE} -oadm manage-node --evacuate ${NODE} +oadm manage-node --drain ${NODE} oadm manage-node --schedulable=true ${NODE} ```` -- cgit v1.2.3