Running into some issues on some hosts. 2 hosts are fine (running 1.10.3 and 1.7.0). 2 other hosts that I just brought up (1.10.3) have issues.
If I click on a container on a problematic host, the CPU/Memory/Network/Storage graphs displays “Connecting…” and occasionally flashes the graph axis for less than a second. Execute shell will flash the shell window up for less than a second before it goes away. View Logs will bring up the window but it says “Disconnected” on the bottom.
I was exeriencing this as well. So I upgraded Docker and Rancher, and verified the time on each server was close, and this seemed to help. I think there are other similar “problems” reported on this topc.
Ah, that seems to be it. The server time was a bit off (498 s) and the two new machines weren’t able to be connected to. One of the older ones that did work was 234 s from the server, so there must be a threshold where it fails. Time to set up ntp on these test boxes.
Yes, the server generates a JWT (token) which contains the host/container/etc the request is for, then the client gives that back to what ends up being the target host to verify, and they are good for 5 minutes.