Steps to test content upload error

test_upload.rb

require 'pulpcore_client'

PulpcoreClient.configure do |config|
config.host= "http://localhost:24817"
config.username= 'admin'
config.password= 'password'
config.debugging=true
end

uploads_api = PulpcoreClient::UploadsApi.new
upload_chunk_size = 1000

file = File.new('katello.gemspec') # File | A chunk of a file to upload.
total_size = File.size(file)
offset = 0

upload_data = PulpcoreClient::Upload.new({size: total_size})
response = uploads_api.create(upload_data)
upload_href = response._href

def content_range(start, finish, total)
finish = finish > total ? total : finish
"bytes #{start}-#{finish}/#{total}"
end

def tmp_file(file, upload_chunk_size)
tmp_path = File.path(file) + "_tmp_upload"
File.delete(tmp_path) if File.exist?(tmp_path)
File.new(tmp_path, 'wb+', 0600)
File.open(tmp_path, "wb+") do |temp_file|
temp_file.write(file.read(upload_chunk_size))
end
tmp_path
end

def clean_temps(file)
tmp_path = File.path(file) + "_tmp_upload"
File.delete(tmp_path) if File.exist?(tmp_path)
end

file_full = file

File.open(file_full, "rb") do |file|
while (chunk = tmp_file(file, upload_chunk_size))
response = uploads_api.update(upload_href, content_range(offset, offset + upload_chunk_size, total_size), chunk)
offset += upload_chunk_size
break if (offset + upload_chunk_size >= total_size)
end
end

clean_temps file_full

If running on a pulp3 only box:

Install ruby, pulpcore-client gem and setup a temp file

sudo yum -y install ruby
sudo yum -y install ruby-devel
sudo yum -y install gcc
gem install pulpcore_client --pre
curl -o katello.gemspec https://github.com/Katello/katello/blob/master/katello.gemspec

ruby test_upload.rb