github.com/spg/deis@v1.7.3/store/gateway/bin/boot (about)

     1  #!/bin/bash
     2  #
     3  # This script is designed to be run inside the container
     4  #
     5  
     6  # fail hard and fast even on pipelines
     7  set -eo pipefail
     8  
     9  # set debug based on envvar
    10  [[ $DEBUG ]] && set -x
    11  
    12  # configure etcd
    13  export ETCD_PORT=${ETCD_PORT:-4001}
    14  export ETCD="$HOST:$ETCD_PORT"
    15  export ETCD_PATH=${ETCD_PATH:-/deis/store/gateway}
    16  export HOST_ETCD_PATH=${HOST_ETCD_PATH:-/deis/store/gateway/hosts/$HOST}
    17  export ETCD_TTL=${ETCD_TTL:-20}
    18  
    19  # wait for etcd to be available
    20  until etcdctl --no-sync -C $ETCD ls >/dev/null 2>&1; do
    21      echo "waiting for etcd at $ETCD..."
    22      sleep $(($ETCD_TTL/2))  # sleep for half the TTL
    23  done
    24  
    25  # wait until etcd has discarded potentially stale values
    26  sleep $(($ETCD_TTL+1))
    27  
    28  # wait for confd to run once and install initial templates
    29  until confd -onetime -node $ETCD --confdir /app --log-level error; do
    30      echo "store-gateway: waiting for confd to write initial templates..."
    31      sleep $(($ETCD_TTL/2))  # sleep for half the TTL
    32  done
    33  
    34  # we generate a key for the gateway. we can do this because we have the client key templated out
    35  if ! etcdctl --no-sync -C $ETCD get /deis/store/gatewayKeyring >/dev/null 2>&1 ; then
    36    ceph-authtool --create-keyring /etc/ceph/ceph.client.radosgw.keyring
    37    chmod +r /etc/ceph/ceph.client.radosgw.keyring
    38    ceph-authtool /etc/ceph/ceph.client.radosgw.keyring -n client.radosgw.gateway --gen-key
    39    ceph-authtool -n client.radosgw.gateway --cap osd 'allow rwx' --cap mon 'allow rwx' /etc/ceph/ceph.client.radosgw.keyring
    40    ceph -k /etc/ceph/ceph.client.admin.keyring auth add client.radosgw.gateway -i /etc/ceph/ceph.client.radosgw.keyring
    41    etcdctl --no-sync -C $ETCD set /deis/store/gatewayKeyring < /etc/ceph/ceph.client.radosgw.keyring >/dev/null
    42  else
    43    etcdctl --no-sync -C $ETCD get /deis/store/gatewayKeyring > /etc/ceph/ceph.client.radosgw.keyring
    44    chmod +r /etc/ceph/ceph.client.radosgw.keyring
    45  fi
    46  
    47  if ! radosgw-admin user info --uid=deis >/dev/null 2>&1 ; then
    48    radosgw-admin user create --uid=deis --display-name="Deis" >/dev/null
    49  fi
    50  
    51  radosgw-admin user info --uid=deis >/etc/ceph/user.json
    52  # store the access key and secret key for consumption by other services
    53  ACCESS_KEY=`cat /etc/ceph/user.json | python -c 'import json,sys;obj=json.load(sys.stdin);print json.dumps(obj["keys"][0]["access_key"]);' | tr -d '"'`
    54  SECRET_KEY=`cat /etc/ceph/user.json | python -c 'import json,sys;obj=json.load(sys.stdin);print json.dumps(obj["keys"][0]["secret_key"]);' | tr -d '"'`
    55  etcdctl --no-sync -C $ETCD set $ETCD_PATH/accessKey ${ACCESS_KEY} >/dev/null
    56  etcdctl --no-sync -C $ETCD set $ETCD_PATH/secretKey ${SECRET_KEY} >/dev/null
    57  
    58  # spawn the service in the background
    59  echo "Starting RADOS gateway..."
    60  /etc/init.d/radosgw start
    61  
    62  # smart shutdown on SIGINT and SIGTERM
    63  function on_exit() {
    64    /etc/init.d/radosgw stop
    65    exit 0
    66  }
    67  trap on_exit INT TERM
    68  
    69  # spawn confd in the background to update services based on etcd changes
    70  confd -node $ETCD --confdir /app --log-level error --interval 5 &
    71  CONFD_PID=$!
    72  
    73  echo deis-store-gateway running...
    74  
    75  # publish the service to etcd using the injected EXTERNAL_PORT
    76  if [[ ! -z $EXTERNAL_PORT ]]; then
    77  
    78    # configure service discovery
    79    PORT=${PORT:-8888}
    80    PROTO=${PROTO:-tcp}
    81  
    82    set +e
    83  
    84    # wait for the service to become available on PUBLISH port
    85    sleep 1 && while [[ -z $(netstat -lnt | awk "\$6 == \"LISTEN\" && \$4 ~ \".$PUBLISH\" && \$1 ~ \"$PROTO.?\"") ]] ; do sleep 1; done
    86  
    87    # while the port is listening, publish to etcd
    88    while [[ ! -z $(netstat -lnt | awk "\$6 == \"LISTEN\" && \$4 ~ \".$PUBLISH\" && \$1 ~ \"$PROTO.?\"") ]] ; do
    89      if etcdctl --no-sync -C $ETCD mk ${ETCD_PATH}/masterLock $HOST --ttl $ETCD_TTL >/dev/null 2>&1 \
    90      || [[ `etcdctl --no-sync -C $ETCD get ${ETCD_PATH}/masterLock` == "$HOST" ]] ; then
    91        etcdctl --no-sync -C $ETCD set $ETCD_PATH/host $HOST --ttl $ETCD_TTL >/dev/null
    92        etcdctl --no-sync -C $ETCD set $ETCD_PATH/port $EXTERNAL_PORT --ttl $ETCD_TTL >/dev/null
    93        etcdctl --no-sync -C $ETCD update ${ETCD_PATH}/masterLock $HOST --ttl $ETCD_TTL >/dev/null
    94      fi
    95      etcdctl --no-sync -C $ETCD set $HOST_ETCD_PATH/host $HOST --ttl $ETCD_TTL >/dev/null
    96      etcdctl --no-sync -C $ETCD set $HOST_ETCD_PATH/port $EXTERNAL_PORT --ttl $ETCD_TTL >/dev/null
    97      sleep $(($ETCD_TTL/2)) # sleep for half the TTL
    98    done
    99  
   100    # if the loop quits, something went wrong
   101    exit 1
   102  
   103  fi
   104  
   105  wait