summaryrefslogtreecommitdiffstats
path: root/src/vnet/pg/stream.c
diff options
context:
space:
mode:
authorEyal Bari <ebari@cisco.com>2017-03-23 09:53:51 +0200
committerJohn Lo <loj@cisco.com>2017-03-29 16:59:03 +0000
commit6ae5ee7addcbb85e614a49fe7903df5bbb4ded22 (patch)
treef387f61094cf7a36b841b83e37f22c9f95899ef7 /src/vnet/pg/stream.c
parent9705c3833a7b18609df8ae315a0aa062e1d2e180 (diff)
VXLAN:validate mcast encapsulation ip/mac
Change-Id: I399257e372f83f4d12dc7873617980af6e46a9bc Signed-off-by: Eyal Bari <ebari@cisco.com>
Diffstat (limited to 'src/vnet/pg/stream.c')
0 files changed, 0 insertions, 0 deletions
139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 
#!/bin/bash

# Copyright (c) 2021 Cisco Systems and/or its affiliates.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at:
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

# A simple script that installs stats_fs, a Fuse file system
# for the stats segment

set -eo pipefail

OPT_ARG=${1:-}

STATS_FS_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"/
cd "${STATS_FS_DIR}"/../../
VPP_DIR=$(pwd)/
BUILD_ROOT=${VPP_DIR}build-root/
BINARY_DIR=${BUILD_ROOT}install-vpp-native/vpp/bin/
DEBUG_DIR=${BUILD_ROOT}install-vpp_debug-native/vpp/bin/
RUN_DIR=/run/vpp/

GOROOT=${GOROOT:-}
GOPATH=${GOPATH:-}

[ -z "${GOROOT}" ] && GOROOT="${HOME}/.go" && PATH=$GOROOT/bin:$PATH
[ -z "${GOPATH}" ] && GOPATH="${HOME}/go"  && PATH=$GOPATH/bin:$PATH

function install_tools() {
  echo "Installing downloading tools"
  apt-get update
  apt-get install git wget curl -y
}

# Install latest GO version
function install_go() {
  local TMP="/tmp"

  echo "Installing latest GO"
  if [[ -x "$(command -v go)" ]]; then
    local installed_ver installed_ver_fmt
    installed_ver=$(go version)
    installed_ver_fmt=${installed_ver#"go version go"}
    echo "Found installed version ${installed_ver_fmt}"
    return
  fi

  mkdir -p "${GOROOT}"
  mkdir -p "${GOPATH}/"{src,pkg,bin}

  wget "https://dl.google.com/go/$(curl https://golang.org/VERSION?m=text).linux-amd64.tar.gz" -O "${TMP}/go.tar.gz"
  tar -C "$GOROOT" --strip-components=1 -xzf "${TMP}/go.tar.gz"

  rm -f "${TMP}/go.tar.gz"

  # export path for current session to install vpp_stast_fs
  export GOROOT=${GOROOT}
  export PATH=$GOROOT/bin:$PATH
  export GOPATH=$GOPATH
  export PATH=$GOPATH/bin:$PATH

  echo "Installed $(go version)"
}

function install_fuse() {
  echo "Installing Fuse"
  apt-get update
  apt-get install fuse -y
}

function install_nohup() {
  echo "Installing nohup"
  apt-get update
  apt-get install nohup -y
}

function install_go_dep() {
  echo "Installing Go dependencies"
  if [[ ! -x "$(command -v go)" ]]; then
    echo "GO is not installed"
    exit 1
  fi

  if [ ! -e "go.mod" ]; then
    go mod init stats_fs
    # We require a specific govpp commit for compatibility
    go get git.fd.io/govpp.git@da95997338b77811bc2ea850db393c652b3bd18e
    go get git.fd.io/govpp.git/adapter/statsclient@da95997338b77811bc2ea850db393c652b3bd18e
    go get github.com/hanwen/go-fuse/v2
  fi
}

# Resolve stats_fs dependencies and builds the binary
function build_statfs() {
  echo "Installing statfs"
  go build
  if [ -d "${BINARY_DIR}" ]; then
    mv stats_fs "${BINARY_DIR}"/stats_fs
  elif [ -d "${DEBUG_DIR}" ]; then
    mv stats_fs "${DEBUG_DIR}"/stats_fs
  else
    echo "${BINARY_DIR} and ${DEBUG_DIR} directories does not exist, the binary is installed at ${STATS_FS_DIR}stats_fs instead"
  fi
}

function install_statfs() {
  if [[ ! -x "$(command -v go)" ]]; then
    install_tools
    install_go
  fi

  if [[ ! -x "$(command -v fusermount)" ]]; then
    install_fuse
  fi

  if [[ ! -x "$(command -v nohup)" ]]; then
    install_nohup
  fi

  if [ ! -d "${STATS_FS_DIR}" ]; then
    echo "${STATS_FS_DIR} directory does not exist"
    exit 1
  fi
  cd "${STATS_FS_DIR}"

  if [[ ! -x "$(command -v ${STATS_FS_DIR}stats_fs)" ]]; then
    install_go_dep
    build_statfs
  else
    echo "stats_fs already installed at path ${STATS_FS_DIR}stats_fs"
  fi
}

# Starts the statfs binary
function start_statfs() {
  EXE_DIR=$STATS_FS_DIR
  if [ -d "${BINARY_DIR}" ]; then
    EXE_DIR=$BINARY_DIR
  elif [ -d "${DEBUG_DIR}" ]; then
    EXE_DIR=$DEBUG_DIR
  fi

  if [[ $(pidof "${EXE_DIR}"stats_fs) ]]; then
    echo "The service stats_fs has already been launched"
    exit 1
  fi

  mountpoint="${RUN_DIR}stats_fs_dir"

  if [[ -x "$(command -v ${EXE_DIR}stats_fs)" ]] ; then
    if [ ! -d "$mountpoint" ] ; then
      mkdir "$mountpoint"
    fi
    nohup "${EXE_DIR}"stats_fs $mountpoint 0<&- &>/dev/null &
    return
  fi

  echo "stats_fs is not installed, use 'make stats-fs-install' first"
  exit 1
}

function stop_statfs() {
  EXE_DIR=$STATS_FS_DIR
  if [ -d "${BINARY_DIR}" ]; then
    EXE_DIR=$BINARY_DIR
  elif [ -d "${DEBUG_DIR}" ]; then
    EXE_DIR=$DEBUG_DIR
  fi
  if [[ ! $(pidof "${EXE_DIR}"stats_fs) ]]; then
    echo "The service stats_fs is not running"
    exit 1
  fi

  PID=$(pidof "${EXE_DIR}"stats_fs)
  kill "$PID"
  if [[ $(pidof "${EXE_DIR}"stats_fs) ]]; then
    echo "Check your syslog file (default is /var/log/syslog)."
    echo "It may be that the file system is busy."
    exit 1
  fi

  if [ -d "${RUN_DIR}stats_fs_dir" ] ; then
    rm -df "${RUN_DIR}stats_fs_dir"
  fi
}

function force_unmount() {
  if (( $(mount | grep "${RUN_DIR}stats_fs_dir" | wc -l) == 1 )) ; then
    fusermount -uz "${RUN_DIR}stats_fs_dir"
  else
    echo "The default directory ${RUN_DIR}stats_fs_dir is not mounted."
  fi

  if [ -d "${RUN_DIR}stats_fs_dir" ] ; then
    rm -df "${RUN_DIR}stats_fs_dir"
  fi
}

# Remove stats_fs Go module
function cleanup() {
  echo "Cleaning up stats_fs"
  if [ ! -d "${STATS_FS_DIR}" ]; then
    echo "${STATS_FS_DIR} directory does not exist"
    exit 1
  fi

  cd "${STATS_FS_DIR}"

  if [ -e "stats_fs" ]; then
    rm -f stats_fs
  fi

  if [ -d "${BINARY_DIR}" ]; then
    if [ -e "${BINARY_DIR}stats_fs" ]; then
      rm -f ${BINARY_DIR}stats_fs
    fi
  elif [ -d "${DEBUG_DIR}" ]; then
    if [ -e "${DEBUG_DIR}stats_fs" ]; then
      rm -f ${DEBUG_DIR}stats_fs
    fi
  fi

  if [ -d "${RUN_DIR}stats_fs_dir" ] ; then
    rm -df "${RUN_DIR}stats_fs_dir"
  fi
}

# Show available commands
function help() {
  cat <<__EOF__
  Stats-fs installer

  install        - Installs requirements (Go, GoVPP, GoFUSE) and builds stats_fs
  start          - Launches the stats_fs binary and creates a mountpoint
  clean          - Removes stats_fs binary
  stop           - Stops the executable, unmounts the file system
                   and removes the mountpoint directory
  force-unmount  - Forces the unmount of the filesystem even if it is busy

__EOF__
}

# Resolve chosen option and call appropriate functions
function resolve_option() {
  local option=$1
  case ${option} in
  "start")
    start_statfs
    ;;
  "install")
    install_statfs
    ;;
  "clean")
    cleanup
    ;;
  "unmount")
    force_unmount
    ;;
  "stop")
    stop_statfs
    ;;
  "help")
    help
    ;;
  *) echo invalid option ;;
  esac
}

if [[ -n ${OPT_ARG} ]]; then
  resolve_option "${OPT_ARG}"
else
  PS3="--> "
  options=("install" "cleanup" "help" "start" "unmount")
  select option in "${options[@]}"; do
    resolve_option "${option}"
    break
  done
fi