Prints the space and org names for a given route, filtered down to the hostname

cf-which-org

#!/usr/bin/env ruby

# Prints the space and org names for a given route, filtered down to the hostname

require 'json'
require 'shellwords'

def curl(url)
  while url
    JSON.parse(`cf curl #{Shellwords.escape(url)}`).tap do |result|
      raise "Error #{result['error_code']}: #{result['description']}" if result['error_code']
      yield result # streaming: handle each page as we get it
      url = result['next_url']
    end
  end
end

if ARGV.size != 1
  warn "Missing hostname."
  exit 1
end

host_name = ARGV.first

curl("/v2/routes?q=host:#{host_name}") do |route|
  route_mappings_url = route['resources'].first['entity']['route_mappings_url'] # there can only be one space owning a route
  space_url = route['resources'].first['entity']['space_url']
  space_name = nil
  org_name = nil

  curl(space_url) do |space|
    space_name = space['entity']['name']
    org_url = space['entity']['organization_url']

    curl(org_url) do |org|
      org_name = org['entity']['name']
    end
  end

  curl(route_mappings_url) do |rm|
    rm['resources'].each do |app|
      app_url = app['entity']['app_url']

      curl(app_url) do |app|
        app_name = app['entity']['name']
        puts "Route: #{host_name}"
        puts "App: #{app_name}"
        puts "Space: #{space_name}"
        puts "Org: #{org_name}"
        warn ''
        warn 'Retrieve the recent events for this app:'
        warn ''
        warn "  cf target -o #{org_name} -s #{space_name}"
        warn "  cf events #{app_name}"
      end
    end
  end
end