52 lines
992 B
Bash
52 lines
992 B
Bash
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#!/usr/bin/env bash
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set -eu
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: "${TOOLDIR=}"
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: "${RUNDIR=}"
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: "${DOCKER_HOST=}"
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export PATH="$TOOLDIR::$PATH"
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if [ -z "$DOCKER_HOST" ]; then
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echo >&2 'error: DOCKER_HOST required'
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false
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fi
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if ! command -v dockerd &> /dev/null; then
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echo >&2 'error: dockerd missing from PATH'
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false
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fi
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(
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echo "Starting dockerd"
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set -x
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exec dockerd \
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--host="$DOCKER_HOST" \
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--exec-root="$RUNDIR/execroot" \
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--data-root="$RUNDIR/data" \
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--pidfile="$RUNDIR/docker.pid" \
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--userland-proxy=false \
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2>&1 | tee "$RUNDIR/dockerd.log"
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) &
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tries=60
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echo "Waiting for daemon to start..."
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while ! docker version &> /dev/null; do
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((tries--))
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if [ $tries -le 0 ]; then
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printf "\n"
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if [ -z "$DOCKER_HOST" ]; then
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echo >&2 "error: daemon failed to start"
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echo >&2 " check $RUNDIR/docker.log for details"
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else
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echo >&2 "error: daemon at $DOCKER_HOST fails to 'docker version':"
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docker version >&2 || true
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fi
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false
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fi
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printf "."
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sleep 2
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done
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printf "\n"
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