Test functionality of Red Hat Container Registries manually

rh-container-registry.sh

#!/bin/bash

# rh-container-registry.sh
# Test functionality of Red Hat Container Registries using pure HTTP/S.
# Useful for determining issues when/if behind proxies, load balancers,
# or other in-the-middle network devices.

# For more information on using Red Hat Container Registries, please see
# the following:
# https://access.redhat.com/RegistryAuthentication

# Please fill out the following section prior to running the script.

# Input your username or service account and password/token.
USERNAME="username"
PASSWORD="password"

# Only change the endpoint if you are testing other registry endpoints.
RH_ENDPOINT="https://registry.redhat.io:443"

# Image to query for testing purposes
IMAGE_QUERY="ubi8/ubi-minimal"
########################################

function log() {
	echo "[$(date +"%Y-%m-%d %T")]: ${1}"
}

function endf() {
	echo "=============================="
}

function dig_registry() {
	log "Performing DNS lookup of registry..."
	dig $RH_ENDPOINT
	endf
}

function ping_registry() {
	log "Performing \"ping\" to registry..."
	curl -k -v \
		-H "Docker-Distribution-Api-Version: registry/2.0" \
		-G "${RH_ENDPOINT}/v2/_ping"
	endf
	
}

function basic_http_login() {
	log "Attempting Basic Authorization Login Method..."
	TOKEN=$(echo -n ${USERNAME}:${PASSWORD} | base64 | tr -d '\n')
	curl -k -v \
	     -H "Authorization: Basic ${TOKEN}" \
	     -H "Accept-Encoding: gzip" \
	     -H "Docker-Distribution-Api-Version: registry/2.0" \
	     -G "${RH_ENDPOINT}/auth/realms/rhcc/protocol/redhat-docker-v2/auth" \
	     --data-urlencode "account=${USERNAME}" \
	     --data-urlencode "service=docker-registry"
     	endf
}

function main() {
	dig_registry
	ping_registry
	basic_http_login
}

main