|
|
@ -18,6 +18,11 @@ versions. Here are all version vars for each component: |
|
|
|
* flannel_version |
|
|
|
* kubedns_version |
|
|
|
|
|
|
|
Please remember that some components upgrade depends on minimum installed version. |
|
|
|
In example **calico version 2.6.5 upgrade to 3.1.1 is upgrading etcd store to etcdv3**. |
|
|
|
The kubespray stack upgrade would failed when calico version is below 2.6.5. Please check |
|
|
|
components' documentation and always upgrade test environment first. |
|
|
|
|
|
|
|
#### Unsafe upgrade example |
|
|
|
|
|
|
|
If you wanted to upgrade just kube_version from v1.4.3 to v1.4.6, you could |
|
|
@ -86,7 +91,7 @@ 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 |
|
|
|