17 lines
439 B
Plaintext
17 lines
439 B
Plaintext
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#!/bin/bash
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# this command helper depends on key-based (passwordless) SSH access by the current user to each of the docker swarm nodes.
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NODE_HOST=$1; shift;
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nc -zvw3 $NODE_HOST 22 &> /dev/null;
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PING_RESULT=$?
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if [ $PING_RESULT != 0 ]; then
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echo
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echo "Host '$NODE_HOST' not reachable."
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exit 2
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fi
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# connect to the docker host through SSH
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export DOCKER_HOST="ssh://$(whoami)@$NODE_HOST.$(hostname -d)"
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# execute the command
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docker $@
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