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Contents
module Kontena::Cli::Apps module DockerHelper def process_docker_images(services, force_build = false, no_cache=false) if services.none?{|name, service| service['build']} puts "Not found any service with build option" return end services.each do |name, service| if service['build'] && (!image_exist?(service['image']) || force_build) dockerfile = service['dockerfile'] || 'Dockerfile' abort("'#{service['image']}' is not valid Docker image name") unless validate_image_name(service['image']) abort("'#{service['build']}' does not have #{dockerfile}") unless dockerfile_exist?(service['build'], dockerfile) puts "Building image #{service['image'].colorize(:cyan)}" build_docker_image(service['image'], service['build'], dockerfile, no_cache) puts "Pushing image #{service['image'].colorize(:cyan)} to registry" push_docker_image(service['image']) end end end def validate_image_name(name) !(/^[\w.\/\-]+:?+[\w+.]+$/ =~ name).nil? end def build_docker_image(name, path, dockerfile, no_cache=false) cmd = ["docker build -t #{name}"] cmd << "-f #{File.join(File.expand_path(path), dockerfile)}" if dockerfile != "Dockerfile" cmd << "--no-cache" if no_cache cmd << path ret = system(cmd.join(' ')) abort("Failed to build image #{name.colorize(:cyan)}") unless ret ret end def push_docker_image(image) ret = system("docker push #{image}") abort("Failed to push image #{image.colorize(:cyan)}") unless ret ret end def image_exist?(image) `docker history #{image} 2>&1` ; $?.success? end def dockerfile_exist?(path, dockerfile) file = File.join(File.expand_path(path), dockerfile) File.exist?(file) end end end
Version data entries
5 entries across 5 versions & 1 rubygems