dhsetup.sh

#! /bin/bash
#
# Authenticate to Docker Hub.
#
# Authenticating prevents failures due to pull request rate limits.  Authenticating should enabled via
# Docker Hub access tokens
#
set -e
[ -z "$OAR_DOCKERHUB_CRED" ] || {
    DH_USER=`echo $OAR_DOCKERHUB_CRED | sed -e 's/:.*$//'`
    DH_TOKEN=`echo $OAR_DOCKERHUB_CRED | sed -e 's/^[^:]*://'`
    docker_version=`docker -v | awk '{ print $3}' | sed -e 's/,.*$//'`
    docker_major_version=`echo $docker_version | sed -e 's/\..*$//'`

    if [ "$docker_major_version" -gt 17 ]; then
        echo '+' docker login --username '$DH_USER' --password-stdin
        (echo "$DH_TOKEN" | docker login --username $DH_USER --password-stdin) || {
            echo "dhsetup: docker login failed"
            false
        }
    else
        echo '+' docker login --username '$DH_USER' --password '$DH_TOKEN'
        docker login --username $DH_USER --password $DH_TOKEN || {
            echo "dhsetup: docker login failed"
            false
        }
    fi
}