WIP - rekick - remove after this commit passes *

azure-pipelines.yml

@@ -2,7 +2,7 @@ pool:
   # self-hosted agent on Windows 10 1709 environment
   # includes newer Docker engine with LCOW enabled, new build of LCOW image
   # includes Ruby 2.5, Go 1.10, Node.js 10.10, hadolint
-  name: Default
+  name: Internal LCOW
 
 variables:
   COMPOSE_PROJECT_NAME: pupperware

gem/lib/pupperware/spec_helper.rb

@@ -137,6 +137,11 @@ def get_container_hostname(container)
     return fqdn || inspect_container(container, '{{.Config.Hostname}}')
   end
 
+  # this only works when a container has a single network
+  def get_container_ip(container)
+    inspect_container(container, '{{range .NetworkSettings.Networks}}{{.IPAddress}}{{end}}')
+  end
+
   def emit_log(container)
     container_name = get_container_name(container)
     STDOUT.puts("#{'*' * 80}\nContainer logs for #{container_name} / #{container}\n#{'*' * 80}\n")
@@ -236,11 +241,13 @@ def clean_certificate(agent_name)
   # Puppet Agent Helpers
   ######################################################################
 
-  def run_agent(agent_name, network, server = get_container_hostname(get_service_container('puppet')))
+  def run_agent(agent_name, network, server = get_container_hostname(get_service_container('puppet')), hosts = {})
     # setting up a Windows TTY is difficult, so we don't
     # allocating a TTY will show container pull output on Linux, but that's not good for tests
     STDOUT.puts("running agent #{agent_name} in network #{network} against #{server}")
-    result = run_command("docker run --rm --network #{network} --name #{agent_name} --hostname #{agent_name} puppet/puppet-agent-alpine agent --verbose --onetime --no-daemonize --summarize --server #{server}")
+    host_map = hosts.map { |k, v| "--add-host=\"#{k}:#{v}\"" }.join(' ')
+    STDOUT.puts("adding hosts #{host_map} to agents /etc/hosts") unless host_map.nil?
+    result = run_command("docker run --rm --network #{network} #{host_map} --name #{agent_name} --hostname #{agent_name} puppet/puppet-agent-alpine agent --verbose --onetime --no-daemonize --summarize --server #{server}")
     return result[:status].exitstatus
   end
 

spec/examples/running_cluster.rb

@@ -33,7 +33,11 @@
   end
 
   it 'should be able to run an agent' do
-    status = run_agent(@test_agent, 'pupperware_default')
+    # to workaround DNS resolution problems, add a /etc/hosts entry
+    puppetserver_container = get_service_container('puppet')
+    puppetserver_hostname = get_container_hostname(puppetserver_container)
+    hosts = { puppetserver_hostname => get_container_ip(puppetserver_container) }
+    status = run_agent(@test_agent, 'pupperware_default', puppetserver_hostname, hosts)
     expect(status).to eq(0)
   end