Can't pull discourse base image because docker login was broken

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1

I just received this strange error trying to bootstrap.

I updated this site 2 days ago without incident.

root@support:/var/discourse# ./launcher bootstrap multi

WARNING: We are about to start downloading the Discourse base image
This process may take anywhere between a few minutes to an hour, depending on your network speed

Please be patient

Unable to find image 'discourse/base:2.0.20200429-2110' locally
/usr/bin/docker: Error response from daemon: Get https://registry-1.docker.io/v2/discourse/base/manifests/2.0.20200429-2110: unauthorized: please use personal access token to login.
See '/usr/bin/docker run --help'.
Your Docker installation is not working correctly

See: https://meta.discourse.org/t/docker-error-on-bootstrap/13657/18?u=sam
root@support:/var/discourse# docker version
Client:
 Version:           18.09.6
 API version:       1.39
 Go version:        go1.10.8
 Git commit:        481bc77
 Built:             Sat May  4 02:35:27 2019
 OS/Arch:           linux/amd64
 Experimental:      false

Server: Docker Engine - Community
 Engine:
  Version:          18.09.6
  API version:      1.39 (minimum version 1.12)
  Go version:       go1.10.8
  Git commit:       481bc77
  Built:            Sat May  4 01:59:36 2019
  OS/Arch:          linux/amd64
  Experimental:     false

root@support:/var/discourse# docker ps
CONTAINER ID        IMAGE                   COMMAND             CREATED             STATUS              PORTS                  NAMES
1e63a91934e8        local_discourse/multi   "/sbin/boot"        2 days ago          Up 2 days           0.0.0.0:7777->80/tcp   multi
8681e70a72a0        local_discourse/data    "/sbin/boot"        4 months ago        Up 3 weeks                                 data
root@support:/var/discourse# docker ps

It’s a multisite instance with Caddy as a reverse proxy, but a fairly standard install that’s been working for years.

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2

What happens on a bare docker pull 'discourse/base:2.0.20200429-2110' ?

3 
root@support:/var/discourse# docker pull 'discourse/base:2.0.20200429-2110'
Error response from daemon: Get https://registry-1.docker.io/v2/discourse/base/manifests/2.0.20200429-2110: unauthorized: please use personal access token to login
root@support:/var/discourse#

also:

root@support:/var/discourse# curl https://registry-1.docker.io/v2/discourse/base/manifests/2.0.20200429-2110
{"errors":[{"code":"UNAUTHORIZED","message":"authentication required","detail":[{"Type":"repository","Class":"","Name":"discourse/base","Action":"pull"}]}]}
root@support:/var/discourse#
4

Your local docker daemon is trying to auth to that repo. Check it config on the json file.

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5

This seems like sage advice, but I don’t know how to act on it.

docker run -it --rm hello-world

fails similarly.

I just upgraded docker to 19.03.8 (was on 18.03 or so) and rebooted. The existing containers cranked back up.

I don’t have a clue what could have changed that would break this. I looked at /etc/docker/key.json and it looks very much like one that’s on another machine.

Googling: “docker unauthorized: please use personal access token to login for public repo” isn’t helping.

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6

docker login might fix your problem.

You can also look at your ~/.docker/config.json to check which registries for which you have credentials - if you don’t need to login you can just remove them from that file.

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7

That was it!

I went to docker settings/security, generated a new token and did a docker login --username pfaffman and pasted in the new key. I don’t know why the old one might have stopped working or why I’d need it all of a sudden. It was just two days ago that I did an upgrade without incident.

Thanks, Michael!

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8

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