github.com/guilhermebr/docker@v1.4.2-0.20150428121140-67da055cebca/hack/make/.integration-daemon-start (about)

     1  #!/bin/bash
     2  
     3  # see test-integration-cli for example usage of this script
     4  
     5  export PATH="$DEST/../binary:$DEST/../dynbinary:$DEST/../gccgo:$DEST/../dyngccgo:$PATH"
     6  
     7  if ! command -v docker &> /dev/null; then
     8  	echo >&2 'error: binary or dynbinary must be run before .integration-daemon-start'
     9  	false
    10  fi
    11  
    12  # intentionally open a couple bogus file descriptors to help test that they get scrubbed in containers
    13  exec 41>&1 42>&2
    14  
    15  export DOCKER_GRAPHDRIVER=${DOCKER_GRAPHDRIVER:-vfs}
    16  export DOCKER_EXECDRIVER=${DOCKER_EXECDRIVER:-native}
    17  
    18  if [ -z "$DOCKER_TEST_HOST" ]; then
    19  	export DOCKER_HOST="unix://$(cd "$DEST" && pwd)/docker.sock" # "pwd" tricks to make sure $DEST is an absolute path, not a relative one
    20  	( set -x; exec \
    21  		docker --daemon --debug \
    22  		--host "$DOCKER_HOST" \
    23  		--storage-driver "$DOCKER_GRAPHDRIVER" \
    24  		--exec-driver "$DOCKER_EXECDRIVER" \
    25  		--pidfile "$DEST/docker.pid" \
    26  			&> "$DEST/docker.log"
    27  	) &
    28  	trap "source '${MAKEDIR}/.integration-daemon-stop'" EXIT # make sure that if the script exits unexpectedly, we stop this daemon we just started
    29  else
    30  	export DOCKER_HOST="$DOCKER_TEST_HOST"
    31  fi
    32  
    33  # give it a second to come up so it's "ready"
    34  tries=10
    35  while ! docker version &> /dev/null; do
    36  	(( tries-- ))
    37  	if [ $tries -le 0 ]; then
    38  		if [ -z "$DOCKER_HOST" ]; then
    39  			echo >&2 "error: daemon failed to start"
    40  			echo >&2 "  check $DEST/docker.log for details"
    41  		else
    42  			echo >&2 "error: daemon at $DOCKER_HOST fails to 'docker version':"
    43  			docker version >&2 || true
    44  		fi
    45  		false
    46  	fi
    47  	sleep 2
    48  done