test code added to analyse the gethostbyname_ex problem under github …

…runner

.github/workflows/test-ssh.yml

@@ -133,14 +133,19 @@ jobs:
           hostname
           echo "nslookup $env:computername"
           nslookup $env:computername
-          echo "print hosts file:"
-          type c:\Windows\System32\Drivers\etc\hosts
           echo "hostname - python code:"
           python -c "import socket;print('hostname:',socket.gethostname());print('gethostbyname_ex:',socket.gethostbyname_ex(socket.gethostname()))"
           echo "in docker container: hostname - python code:"
           docker run ipyparallel-sshd python -c "import socket;print('hostname:','$env:computername');print('gethostbyname_ex:',socket.gethostbyname_ex('$env:computername'))"
-          echo "in docker container: print hosts file:"
-          docker run ipyparallel-sshd cmd.exe /C type c:\Windows\System32\Drivers\etc\hosts
+          echo "in docker container: nslookup $env:computername"
+          docker run ipyparallel-sshd nslookup $env:computername
+          echo "in docker container: ping jo"
+          docker run ipyparallel-sshd ping jo
+
+          #echo "print hosts file:"
+          #type c:\Windows\System32\Drivers\etc\hosts
+          #echo "in docker container: print hosts file:"
+          #docker run ipyparallel-sshd cmd.exe /C type c:\Windows\System32\Drivers\etc\hosts
 
       - name: Set up slurm
         if: ${{ matrix.cluster_type == 'slurm' }}

ci/ssh/win_docker-compose.yaml

@@ -8,3 +8,6 @@ services:
       dockerfile: ci/ssh/win_Dockerfile
     ports:
       - "2222:22"
+    extra_hosts:
+      #just for testing
+      jo: 128.131.72.10