openshift-ansible: Error: unknown command "drain" for "oc" in « Drain Node for Kubelet upgrade » action

« Drain Node for Kubelet upgrade » action execute: oadm drain ... but this command don’t exists:

# oadm  drain
Error: unknown command "drain" for "oc"
Run 'oc --help' for usage.

with this version:

# oc version
oc v3.6.0+c4dd4cf
kubernetes v1.6.1+5115d708d7
features: Basic-Auth GSSAPI Kerberos SPNEGO

To fix it, I need to add adm like this oadm adm drain ...

diff --git a/playbooks/common/openshift-cluster/upgrades/upgrade_nodes.yml b/playbooks/common/openshift-cluster/upgrades/upgrade_nodes.yml
index c93a5d8..a21fb7f 100644
--- a/playbooks/common/openshift-cluster/upgrades/upgrade_nodes.yml
+++ b/playbooks/common/openshift-cluster/upgrades/upgrade_nodes.yml
@@ -26,7 +26,7 @@

   - name: Drain Node for Kubelet upgrade
     command: >
-      {{ hostvars[groups.oo_first_master.0].openshift.common.admin_binary }} 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].openshift.common.client_binary }} adm drain {{ openshift.node.nodename | lower }} --config={{ openshift.common.config_base }}/master/admin.kubeconfig --force --delete-local-data --ignore-daemonsets
     delegate_to: "{{ groups.oo_first_master.0 }}"
     register: l_upgrade_nodes_drain_result
     until: not l_upgrade_nodes_drain_result | failed

About this issue

Original URL
State: closed
Created 7 years ago
Reactions: 1
Comments: 17 (14 by maintainers)

Commits related to this issue

bug: container_binary_sync no longer moves upon symlinks With origin 1.5, /usr/local/bin/oc was a symlink to /usr/local/bin/openshift. During the container_binary_sync updated versions of both binari... — committed to ashcrow/openshift-ansible by ashcrow 7 years ago
bug: container_binary_sync no longer moves upon symlinks With origin 1.5, /usr/local/bin/oc was a symlink to /usr/local/bin/openshift. During the container_binary_sync updated versions of both binari... — committed to ashcrow/openshift-ansible by ashcrow 7 years ago

Most upvoted comments

If you get stuck in the upgrade where it seems to retry 60 times, you should have enough time to overwrite the adm alias with a little bash script so you don’t have to restart the upgrade script:

#!/bin/bash
oc adm $@

andrewklau on Aug 11, 2017