github.com/lafolle/docker@v1.6.0/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  else
    29  	export DOCKER_HOST="$DOCKER_TEST_HOST"
    30  fi
    31  
    32  # give it a second to come up so it's "ready"
    33  tries=10
    34  while ! docker version &> /dev/null; do
    35  	(( tries-- ))
    36  	if [ $tries -le 0 ]; then
    37  		if [ -z "$DOCKER_HOST" ]; then
    38  			echo >&2 "error: daemon failed to start"
    39  			echo >&2 "  check $DEST/docker.log for details"
    40  		else
    41  			echo >&2 "error: daemon at $DOCKER_HOST fails to 'docker version':"
    42  			docker version >&2 || true
    43  		fi
    44  		false
    45  	fi
    46  	sleep 2
    47  done