for the record, our GKE cluster has auto-upgraded itself multiple times so
far (I think since 1.6.2. we upgraded manually only from 1.6.foo to
1.7.bar).
note that the auto-upgrade feature has to be explicitly enabled.
no idea what's the `-gke.1` version suffix thingie, but I do see it on our
master (1.7.6-gke.1), and as a pending auto-update for the nodes (currently
on 1.7.5).

On Mon, Oct 9, 2017 at 5:51 PM Dan Gardner <[email protected]>
wrote:

> Is the upgrade path for GKE experiencing a number of issues at the moment ?
>
> Examples:
>
> 1) The last 2 times I tried to manually upgrade or install from scratch
> and specified the version it failed and said it was an invalid version.
>  This was even though I did this after the last scheduled zone the new
> version was due to be available in as posted on the GKE Release Notes
> forum.   The Release Notes are therefore incorrect in the dates that they
> say the new version will be available.
>
> 2) I know its only a beta feature but I've never see an auto-upgrade occur
> although I'm constantly//annoyingly reminded that I should do an upgrade
> (manually).
>
> 3) When our masters where on 1.7.5-gke.1 and our nodes are on 1.7.5  again
> we are constantly//annoyingly reminded that I should do an upgrade
> (manually).  See below, but we suspect that "-gke.1" is a special internal
> version,  just for master's and can not be used on nodes.  If this is the
> case then there is no upgrade available.
>
> 4) So whats with these "-gke.1" versions added onto the Kubernetes version
> ?  We seem to get them after Google chooses to upgrade the master.  I could
> find no mention of them in the Release Notes and on occasion I've tried
> using them in building a new cluster we get "invalid version".  Which makes
> us think something is broken in GKE land ?
>
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