This was another error I saw while deploying Ansible AWX on ubuntu linux.
Ansible AWX installation error Cannot have both the docker-py and docker python modules
Install Ansible AWX Tower on Ubuntu Linux
TASK [local_docker : Run migrations in task container]
fatal: [localhost]: FAILED! => {"changed": true, "cmd": "docker-compose run --rm --service-ports task awx-manage migrate --no-input", "delta": "0:00:06.436376", "end": "2021-01-23 12:11:19.946511", "msg": "non-zero return code", "rc": 1, "start": "2021-01-23 12:11:13.510135", "stderr": "Pulling redis (redis:)...\nGet https://registry-1.docker.io/v2/: dial tcp: lookup registry-1.docker.io: Temporary failure in name resolution", "stderr_lines": ["Pulling redis (redis:)...", "Get https://registry-1.docker.io/v2/: dial tcp: lookup registry-1.docker.io: Temporary failure in name resolution"], "stdout": "", "stdout_lines": []}
The cause of the error is due to docker is not able to (connect to internet) download the container images from online repository, on my linux server I don't have direct access to internet. I use proxy for my Virtual Machines. Proxy for docker can be set with below settings.
mkdir /etc/systemd/system/docker.service.d cat > /etc/systemd/system/docker.service.d/http-proxy.conf [service] Environment="HTTP_PROXY=<IP>:<Port>" Environment="HTTPS_PROXY=<IP>:<Port>" Environment="NO_PROXY=localhost,127.0.0.1,localaddress,.localdomain.com" cat /etc/systemd/system/docker.service.d/http-proxy.conf sudo systemctl daemon-reload sudo systemctl restart docker
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