Be more aggressive about picking a connection

Based on the conversation in voxpupuli#46, this attempts to run down a list of
'normal' connections until one can be found.

It also pins the fact that you are operating inside of podman.

Closes voxpupuli#46

lib/beaker/hypervisor/docker.rb

@@ -44,6 +44,8 @@ def initialize(hosts, options)
         else
           @registry = ENV['DOCKER_REGISTRY']
         end
+      elsif ::Docker.respond_to?(:podman?) && ::Docker.podman?
+        @docker_type = 'podman'
       else
         @docker_type = 'docker'
       end
@@ -150,9 +152,41 @@ def get_ssh_connection_info(container)
           gw = network_settings['Gateway']
           ip = gw unless (gw.nil? || gw.empty?)
         else
-          port22 = network_settings.dig('Ports','22/tcp')
-          ip = port22[0]["HostIp"] if port22
+          # The many faces of container networking
+
+          # Host to Container
+          port22 = network_settings.dig('PortBindings','22/tcp')
+          ip = port22[0]['HostIp'] if port22
           port = port22[0]['HostPort'] if port22
+
+          # Container to container
+          unless ip && port
+            ip = nil
+            port = nil
+
+            ip = network_settings['IPAddress']
+            port = 22 if ip && !ip.empty?
+          end
+
+          # Container through gateway
+          unless ip && port
+            ip = nil
+            port = nil
+
+            ip = network_settings['Gateway']
+
+            if ip && !ip.empty?
+              port22 = network_settings.dig('PortBindings','22/tcp')
+              port = port22[0]['HostPort'] if port22
+            end
+          end
+
+          # Legacy fallback
+          unless ip && port
+            port22 = network_settings.dig('Ports','22/tcp')
+            ip = port22[0]["HostIp"] if port22
+            port = port22[0]['HostPort'] if port22
+          end
         end
       end
 

spec/beaker/hypervisor/docker_spec.rb

@@ -134,6 +134,7 @@ module Beaker
         allow( ::Docker ).to receive(:options).and_return(docker_options)
         allow( ::Docker ).to receive(:options=)
         allow( ::Docker ).to receive(:logger=)
+        allow( ::Docker ).to receive(:podman?).and_return(false)
         allow( ::Docker ).to receive(:version).and_return(version)
         allow( ::Docker::Image ).to receive(:build).and_return(image)
         allow( ::Docker::Image ).to receive(:create).and_return(image)
@@ -490,7 +491,7 @@ module Beaker
               ENV['DOCKER_HOST'] = nil
               docker.provision
 
-              expect( hosts[0]['ip'] ).to be === '127.0.1.1'
+              expect( hosts[0]['ip'] ).to be === '192.0.2.1'
               expect( hosts[0]['port'] ).to be ===  8022
             end
 
@@ -506,7 +507,7 @@ module Beaker
               ENV['DOCKER_HOST'] = nil
               docker.provision
 
-              expect( hosts[0]['ip'] ).to be === '127.0.1.1'
+              expect( hosts[0]['ip'] ).to be === '192.0.2.1'
               expect( hosts[0]['port'] ).to be === 8022
               expect( hosts[0]['ssh'][:password] ).to be ===  'root'
               expect( hosts[0]['ssh'][:port] ).to be ===  8022
@@ -536,8 +537,8 @@ module Beaker
               ENV['DOCKER_HOST'] = nil
               docker.provision
 
-              expect( hosts[0]['ip'] ).to be === '127.0.1.1'
-              expect( hosts[0]['port'] ).to be ===  8022
+              expect( hosts[0]['ip'] ).to be === '192.0.2.1'
+              expect( hosts[0]['port'] ).to be ===  22
             end
           end