From 0841917f05cfad2701164edbb271167c277d3300 Mon Sep 17 00:00:00 2001 From: Scott Dodson Date: Thu, 10 Aug 2017 09:25:36 -0400 Subject: Add the ability to specify a timeout for node drain operations --- inventory/hosts.example | 8 ++++++++ .../openshift-cluster/upgrades/docker/docker_upgrade.yml | 12 +++++++++--- .../openshift-cluster/upgrades/upgrade_control_plane.yml | 12 +++++++++--- .../common/openshift-cluster/upgrades/upgrade_nodes.yml | 12 +++++++++--- .../openshift-cluster/upgrades/upgrade_scale_group.yml | 4 ++-- 5 files changed, 37 insertions(+), 11 deletions(-) diff --git a/inventory/hosts.example b/inventory/hosts.example index bc85d1020..b07e0d159 100644 --- a/inventory/hosts.example +++ b/inventory/hosts.example @@ -991,6 +991,14 @@ openshift_master_identity_providers=[{'name': 'htpasswd_auth', 'login': 'true', # where as this would not # openshift_upgrade_nodes_serial=4 openshift_upgrade_nodes_max_fail_percentage=50 # +# A timeout to wait for nodes to drain pods can be specified to ensure that the +# upgrade continues even if nodes fail to drain pods in the allowed time. The +# default value of 0 will wait indefinitely allowing the admin to investigate +# the root cause and ensuring that disruption budgets are respected. If the +# a timeout of 0 is used there will also be one attempt to re-try draining the +# node. If a non zero timeout is specified there will be no attempt to retry. +#openshift_upgrade_nodes_drain_timeout=0 +# # Multiple data migrations take place and if they fail they will fail the upgrade # You may wish to disable these or make them non fatal # diff --git a/playbooks/common/openshift-cluster/upgrades/docker/docker_upgrade.yml b/playbooks/common/openshift-cluster/upgrades/docker/docker_upgrade.yml index ffb11670d..8392e21ee 100644 --- a/playbooks/common/openshift-cluster/upgrades/docker/docker_upgrade.yml +++ b/playbooks/common/openshift-cluster/upgrades/docker/docker_upgrade.yml @@ -51,13 +51,19 @@ - name: Drain Node for Kubelet upgrade command: > - {{ openshift_client_binary }} adm drain {{ openshift.node.nodename }} --config={{ openshift.common.config_base }}/master/admin.kubeconfig --force --delete-local-data --ignore-daemonsets + {{ hostvars[groups.oo_first_master.0]['first_master_client_binary'] }} adm drain {{ openshift.node.nodename | lower }} + --config={{ openshift.common.config_base }}/master/admin.kubeconfig + --force --delete-local-data --ignore-daemonsets + --timeout={{ openshift_upgrade_nodes_drain_timeout | default(0) }}s 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 register: l_docker_upgrade_drain_result until: not (l_docker_upgrade_drain_result is failed) - retries: 60 - delay: 60 + retries: "{{ 1 if ( openshift_upgrade_nodes_drain_timeout | default(0) | int ) == 0 else 0 }}" + delay: 5 + failed_when: + - l_docker_upgrade_drain_result is failed + - openshift_upgrade_nodes_drain_timeout | default(0) | int == 0 - include_tasks: tasks/upgrade.yml when: l_docker_upgrade is defined and l_docker_upgrade | bool diff --git a/playbooks/common/openshift-cluster/upgrades/upgrade_control_plane.yml b/playbooks/common/openshift-cluster/upgrades/upgrade_control_plane.yml index 91d496ff4..3f2ba8969 100644 --- a/playbooks/common/openshift-cluster/upgrades/upgrade_control_plane.yml +++ b/playbooks/common/openshift-cluster/upgrades/upgrade_control_plane.yml @@ -291,12 +291,18 @@ - name: Drain Node for Kubelet upgrade command: > - {{ hostvars[groups.oo_first_master.0]['first_master_client_binary'] }} adm drain {{ openshift.node.nodename | lower }} --config={{ openshift.common.config_base }}/master/admin.kubeconfig --force --delete-local-data --ignore-daemonsets + {{ hostvars[groups.oo_first_master.0]['first_master_client_binary'] }} adm drain {{ openshift.node.nodename | lower }} + --config={{ openshift.common.config_base }}/master/admin.kubeconfig + --force --delete-local-data --ignore-daemonsets + --timeout={{ openshift_upgrade_nodes_drain_timeout | default(0) }}s delegate_to: "{{ groups.oo_first_master.0 }}" register: l_upgrade_control_plane_drain_result until: not (l_upgrade_control_plane_drain_result is failed) - retries: 60 - delay: 60 + retries: "{{ 1 if ( openshift_upgrade_nodes_drain_timeout | default(0) | int ) == 0 else 0 }}" + delay: 5 + failed_when: + - l_upgrade_control_plane_drain_result is failed + - openshift_upgrade_nodes_drain_timeout | default(0) | int == 0 roles: - openshift_facts diff --git a/playbooks/common/openshift-cluster/upgrades/upgrade_nodes.yml b/playbooks/common/openshift-cluster/upgrades/upgrade_nodes.yml index aba179c2b..856c8328c 100644 --- a/playbooks/common/openshift-cluster/upgrades/upgrade_nodes.yml +++ b/playbooks/common/openshift-cluster/upgrades/upgrade_nodes.yml @@ -35,12 +35,18 @@ - name: Drain Node for Kubelet upgrade command: > - {{ hostvars[groups.oo_first_master.0]['first_master_client_binary'] }} adm drain {{ openshift.node.nodename | lower }} --config={{ openshift.common.config_base }}/master/admin.kubeconfig --force --delete-local-data --ignore-daemonsets + {{ hostvars[groups.oo_first_master.0]['first_master_client_binary'] }} adm drain {{ openshift.node.nodename | lower }} + --config={{ openshift.common.config_base }}/master/admin.kubeconfig + --force --delete-local-data --ignore-daemonsets + --timeout={{ openshift_upgrade_nodes_drain_timeout | default(0) }}s delegate_to: "{{ groups.oo_first_master.0 }}" register: l_upgrade_nodes_drain_result until: not (l_upgrade_nodes_drain_result is failed) - retries: 60 - delay: 60 + retries: "{{ 1 if ( openshift_upgrade_nodes_drain_timeout | default(0) | int ) == 0 else 0 }}" + delay: 5 + failed_when: + - l_upgrade_nodes_drain_result is failed + - openshift_upgrade_nodes_drain_timeout | default(0) | int == 0 post_tasks: - import_role: diff --git a/playbooks/common/openshift-cluster/upgrades/upgrade_scale_group.yml b/playbooks/common/openshift-cluster/upgrades/upgrade_scale_group.yml index 6d59bfd0b..e259b5d09 100644 --- a/playbooks/common/openshift-cluster/upgrades/upgrade_scale_group.yml +++ b/playbooks/common/openshift-cluster/upgrades/upgrade_scale_group.yml @@ -50,11 +50,11 @@ delegate_to: "{{ groups.oo_first_master.0 }}" register: l_upgrade_nodes_drain_result until: not (l_upgrade_nodes_drain_result is failed) - retries: "{{ 1 if openshift_upgrade_nodes_drain_timeout | default(0) == '0' else 0 | int }}" + retries: "{{ 1 if ( openshift_upgrade_nodes_drain_timeout | default(0) | int ) == 0 else 0 }}" delay: 5 failed_when: - l_upgrade_nodes_drain_result is failed - - openshift_upgrade_nodes_drain_timeout | default(0) == '0' + - openshift_upgrade_nodes_drain_timeout | default(0) | int == 0 # Alright, let's clean up! - name: clean up the old scale group -- cgit v1.2.1