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NetVM: Wait for port to be free, before creating SSH Local port forward #59

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Nov 6, 2023
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NetVM: Wait for port to be free, before creating SSH Local port forward #59

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17 changes: 16 additions & 1 deletion Robot-Framework/test-suites/bat-tests/netvm.robot
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Original file line number Diff line number Diff line change
Expand Up @@ -105,12 +105,27 @@ Connect to ghaf host
Set Global Variable ${ghaf_host} ${connection}
[Return] ${connection}

Port Should Be Free
[Arguments] ${port}
${result} Run Keyword If os.sep == '/'
... Run netstat -tulpn
... ELSE
... Run netstat -an
Should Not Contain ${result} :${port}
[Return] ${result}

Connect to netvm via tunnel
[Documentation] Create tunnel using port ${local_port}, connect to netvm directly from test run machine,
... allow using standard SSHLibrary commands, like 'Execute Command'
Switch connection ${ghaf_host}
Log To Console Configuring tunnel...
Write ssh-keygen -R ${netvm_ip}
# TODO: Remove this workaround when the issue gets fixed upstream.
# There's an issue in robotframework-sshlibrary, which causes that the port
# is left open for some time even after explicitly calling
# "Close All Connections":
# https://github.com/robotframework/SSHLibrary/issues/435
# https://github.com/robotframework/SSHLibrary/pull/436
Wait Until Keyword Succeeds 1 min 5s Port Should Be Free ${local_port}
Create Local Ssh Tunnel local_port=${local_port} remote_host=${NETVM_IP} remote_port=22 bind_address=127.0.0.1
Log To Console Connecting to NetVM via tunnel
${connection}= Connect IP=localhost PORT=${local_port} target_output=${LOGIN}@${NETVM_NAME}
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