45 lines
1.4 KiB
Bash
Executable File
45 lines
1.4 KiB
Bash
Executable File
#!/bin/bash
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######################################
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### Install and setup Docker Swarm ###
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######################################
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# Print commands and exit on error
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set -xe
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# Install Docker
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which curl &>/dev/null || (apt-get update && apt-get install -y curl)
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which docker &>/dev/null || curl -fsSL https://get.docker.com | sh
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[ ! "$(id -nG "$USER" | grep -c docker)" -eq 1 ] && usermod -aG docker "$USER"
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# Setup Docker Swarm
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if [ ! "$(docker info | grep -c 'Swarm: active')" -eq 1 ]; then
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# Make hostname: node1 the leader who gives the join token to others
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if [ "$(hostname)" == "node1" ]; then
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docker swarm init | grep -Eo 'docker swarm join .+:[0-9]+' > /vagrant/.swarm
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else
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# Waits JOIN_TIMEOUT of seconds to find the swarm join token before giving up
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START_TIME="$(date +%s)"
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# Initial wait
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sleep 5
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# Wait until .swarm can be found via Vagrant provider file sharing
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while [ ! -f /vagrant/.swarm ]; do
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CURRENT_TIME="$(date +%s)"
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DIFF_TIME="$((CURRENT_TIME - START_TIME))"
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# Timeout
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if [ "$DIFF_TIME" -ge "$JOIN_TIMEOUT" ]; then
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echo "[ERROR]: $(hostname) waited $DIFF_TIME/$JOIN_TIMEOUT seconds"
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exit 1
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fi
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# Waiting
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echo "Waiting ($DIFF_TIME/$JOIN_TIMEOUT seconds) for /vagrant/.swarm file"
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sleep 10
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done
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# /vagrant/.swarm file found, so join the swarm
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/bin/bash /vagrant/.swarm
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fi
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fi
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