Add location link to openmap

app/helpers/host_info_helper.rb

@@ -1,18 +1,32 @@
 module HostInfoHelper
+  OSM_MARKER_URL = 'https://www.openstreetmap.org/?mlat=%s&mlon=%s#map=17/%s/%s'.freeze
+
   def host_info
     server_name = request.server_name
 
     info = Rails.cache.fetch(server_name, expires_in: 1.day) do
       Supervisor::HostInfo.new(server_name).to_h
     end
 
+    location = format_location(info)
+
+    # rubocop:disable Rails/OutputSafety
+    "Hostname: #{info[:hostname]} | IP: #{info[:ip]} | Location: #{location}".html_safe
+    # rubocop:enable Rails/OutputSafety
+  end
+
+  private
+
+  def format_location(info)
     location = %i[city region country org].filter_map do |key|
       next if info[key].blank?
 
       info[key]
     end.join(', ')
-    location = '-' if location.blank?
 
-    "Hostname: #{info[:hostname]} | IP: #{info[:ip]} | Location: #{location}"
+    return '-' if location.blank?
+
+    lat, lon = info[:loc].split(',')
+    link_to(location, format(OSM_MARKER_URL, lat, lon, lat, lon), class: 'link-secondary')
   end
 end