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Updated randomized ssm tunnel port

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T31M
2020-05-27 00:27:31 +02:00
parent 90b5de2d3d
commit 4fceb63f2a
1 changed files with 3 additions and 2 deletions
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fish/theme-t31m/ssm_tunnel.fish
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@ -21,10 +21,11 @@ function ssm_tunnel --description 'access private AWS ressources via Bastion Hos
# Ports to bind for forwarding # Ports to bind for forwarding
set LOCAL_PORT $argv[2] set LOCAL_PORT $argv[2]
set REM_PORT (math (random) % 65535 + 2000)
# make sure jq is installed # make sure jq is installed
# Start socat on the remote server # Start socat on the remote server
set CMD "'sudo socat TCP4-LISTEN:$LOCAL_PORT,fork TCP4:$REMOTE_HOST'" set CMD "'sudo socat TCP4-LISTEN:$REM_PORT,fork TCP4:$REMOTE_HOST'"
set CMD_INVOC_ID (aws ssm send-command --instance-ids $INSTANCE_ID \ set CMD_INVOC_ID (aws ssm send-command --instance-ids $INSTANCE_ID \
--document-name 'AWS-RunShellScript' \ --document-name 'AWS-RunShellScript' \
--parameters commands=$CMD --output json | jq -r '.Command.CommandId') --parameters commands=$CMD --output json | jq -r '.Command.CommandId')
@ -33,7 +34,7 @@ function ssm_tunnel --description 'access private AWS ressources via Bastion Hos
echo "Starting Tunnel" echo "Starting Tunnel"
aws ssm start-session --target $INSTANCE_ID \ aws ssm start-session --target $INSTANCE_ID \
--document-name "AWS-StartPortForwardingSession" \ --document-name "AWS-StartPortForwardingSession" \
--parameters "portNumber=$LOCAL_PORT,localPortNumber=$LOCAL_PORT" --parameters "portNumber=$REM_PORT,localPortNumber=$LOCAL_PORT"
# stop socat on the bastion # stop socat on the bastion
aws ssm cancel-command --command-id $CMD_INVOC_ID aws ssm cancel-command --command-id $CMD_INVOC_ID