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Merge pull request #3307 from kaarolch/upgrade_docs

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Calico version verification before cluster upgrade begin.
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k8s-ci-robot
2018-09-19 05:15:55 -07:00
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parent da4cc74498 0121bce9e5
commit 39c567de47
2 changed files with 20 additions and 2 deletions
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docs/upgrades.md
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@@ -35,7 +35,7 @@ ansible-playbook cluster.yml -i inventory/sample/hosts.ini -e kube_version=v1.4.
#### Graceful upgrade
Kubespray also supports cordon, drain and uncordoning of nodes when performing
Kubespray also supports cordon, drain and uncordoning of nodes when performing
a cluster upgrade. There is a separate playbook used for this purpose. It is
important to note that upgrade-cluster.yml can only be used for upgrading an
existing cluster. That means there must be at least 1 kube-master already
@@ -86,7 +86,7 @@ for impact to user deployed pods.
A deployer may want to upgrade specific components in order to minimize risk
or save time. This strategy is not covered by CI as of this writing, so it is
not guaranteed to work.
not guaranteed to work.
These commands are useful only for upgrading fully-deployed, healthy, existing
hosts. This will definitely not work for undeployed or partially deployed