Sharif,  I got similar errors (albeit "Invalid Version")  and we only use 
gcloud to provision everything,  so its not a Console or gcloud issue,  its 
wider it seems.  

On Wednesday, 11 October 2017 14:02:05 UTC+1, [email protected] wrote:
>
> On Wednesday, 11 October 2017 13:14:58 UTC+1, [email protected]  wrote: 
> > On Monday, 9 October 2017 15:51:31 UTC+1, Dan Gardner  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 ? 
> > 
> > I'm also seeing issues in GKE when manually upgrading my cluster. 
> > 
> > The master updates just fine to 1.7.6-gke.1. 
> > 
> > When I try to update the nodes, I get an error that the version doesn't 
> exist. See these screenshots. What do I do here? 
> > 
> > http://prntscr.com/gw1g77 
> > 
> > http://prntscr.com/gw1gje 
>
> After doing some digging: 
> https://cloud.google.com/container-engine/supported-versions 
>
> There is a supported master version of 1.7.6-gke.1 
> But no corresponding node version. And GKE doesn't let you upgrade to a 
> node version that is different to your master. So my nodes are stuck in a 
> very old k8s version right now.

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