format_ahv_open-vswitch.sh

#!/bin/bash
# auther: gowatana
# usage:
#   AHV# bash ./format_ahv_open-vswitch.sh
#   or
#   AHV# ovs-vsctl show > output.txt
#      # bash ./format_ahv_open-vswitch.sh output.txt

OVS_FORMAT_FILE=./ovs-vsctl_show_formatted.txt
BRIDGE_NAME_1=br0
BRIDGE_NAME_2=br1
PORT_INFO=1
DEBUG=0

# option: load manual "ovs-vsctl show" output text
OVS_VSCTL_SHOW_OUTPUT=$1

#------------------------------------------------
# set work variables

TEMP_DIR=./temp_ovs_fmt
OVS_SHOW_TEXT=$TEMP_DIR/ovs-vsctl_show.txt
OVS_BR_FILE=$TEMP_DIR/ovs_br_
OVS_PORT_FILE=$TEMP_DIR/ovs_port_

BRIDGE_LIST=$TEMP_DIR/bridge_list
BRIDGE_LIST_ALL=${BRIDGE_LIST}.all
BRIDGE_LIST_1ST=${BRIDGE_LIST}.1st
BRIDGE_LIST_MAIN=${BRIDGE_LIST}.main
BRIDGE_LIST_BR1=${BRIDGE_LIST}.br1
BRIDGE_LIST_SUB=${BRIDGE_LIST}.sub
BRIDGE_LIST_WORK1=${BRIDGE_LIST}.work1
BRIDGE_LIST_WORK2=${BRIDGE_LIST}.work2

PEER_FILE=$TEMP_DIR/peer.txt
PORT_FILE=$TEMP_DIR/port.txt
PEER_ALL_FILE=$TEMP_DIR/peer.all.txt
CONNECTED_UPLINK_PORT_FILE=$TEMP_DIR/port.up.txt
CONNECTED_UPLINK_PEER_FILE=$TEMP_DIR/peer.up.txt

BRIDGE_BORDER=`for i in {1..60};do echo -n "="; done`

#------------------------------------------------
# create temp directory

test -d $TEMP_DIR || mkdir -p $TEMP_DIR

#------------------------------------------------
# get "ovs-vsctl show"

if [ -f "$OVS_VSCTL_SHOW_OUTPUT" ]; then
  cat $OVS_VSCTL_SHOW_OUTPUT | grep -v ovs_version | sed 's/"//g' > $OVS_SHOW_TEXT
  PORT_INFO=0
else
  ovs-vsctl show | grep -v ovs_version | sed 's/"//g' > $OVS_SHOW_TEXT
fi

#------------------------------------------------
# split Bridge files

csplit -z -f $OVS_BR_FILE -n 2 $OVS_SHOW_TEXT /Bridge/ {*} > /dev/null

#------------------------------------------------
# split Port files

for FILE in `ls $OVS_BR_FILE*`
do
  if (grep -q Bridge $FILE); then
    BR_NAME=$(grep Bridge $FILE | sed s/Bridge// | sed 's/\s//g' | sed 's/"//g')
    OVS_PORT_FILE_TEMP="${OVS_PORT_FILE}${BR_NAME}_"
    OVS_PORT_FILE_FIX=${OVS_PORT_FILE_TEMP}fixed
    OVS_BR_HEADER=${OVS_PORT_FILE_TEMP}00

    csplit -z -f $OVS_PORT_FILE_TEMP -n 2 $FILE /Port/ {*} > /dev/null

    # Header
    cat $OVS_BR_HEADER > $OVS_PORT_FILE_FIX

    # downlink port
    for F in `ls ${OVS_PORT_FILE_TEMP}?? | grep -v _00$`
    do
      if(grep -q -E -e 'Port.*\.d$' -e "Port.*\.d\.${BRIDGE_NAME_1}"$ $F); then
        cat $F >> $OVS_PORT_FILE_FIX
      fi
    done

    # bridge name port
    for F in `ls ${OVS_PORT_FILE_TEMP}?? | grep -v _00$`
    do
      if(grep -q -E "Port $BR_NAME"$ $F); then
         cat $F >> $OVS_PORT_FILE_FIX
      fi
    done

    # other ports
    for F in `ls ${OVS_PORT_FILE_TEMP}?? | grep -v _00$`
    do
      if (grep -q -E -e 'Port.*\.d$' -e "Port.*\.d\.${BRIDGE_NAME_1}"$ $F) || \
         (grep -q -E 'Port.*\.u$|Port.*\.u\.' $F) || \
         (grep -q -E "Port $BR_NAME"$ $F)
      then
        true
      else
        cat $F >> $OVS_PORT_FILE_FIX
      fi
    done

    # uplink port
    for F in `ls ${OVS_PORT_FILE_TEMP}?? | grep -v _00$`
    do
      if(grep -q -E 'Port.*\.u$|Port.*\.u\.' $F); then
        cat $F >> $OVS_PORT_FILE_FIX
      fi
    done

    if [ $PORT_INFO -eq 1 ]; then
      echo "" >> $OVS_PORT_FILE_FIX
      ovs-ofctl show $BR_NAME | grep 'addr:' >> $OVS_PORT_FILE_FIX
    fi
  fi
done

#------------------------------------------------
# output start

echo "AHV Host: `uname -n`" > $OVS_FORMAT_FILE
echo "DateTime: `date "+%Y %m/%d %H:%m:%S"`" >> $OVS_FORMAT_FILE
echo $BRIDGE_BORDER >> $OVS_FORMAT_FILE
ovs-appctl bond/list >> $OVS_FORMAT_FILE
echo $BRIDGE_BORDER >> $OVS_FORMAT_FILE

#------------------------------------------------
# create bridge list

ls -1 ${OVS_PORT_FILE}*_fixed > $BRIDGE_LIST_ALL

> $BRIDGE_LIST_WORK1
> $BRIDGE_LIST_WORK2

# create BRIDGE_LIST_1ST
for FILE in `cat $BRIDGE_LIST_ALL`
do
  if(grep -q "Bridge $BRIDGE_NAME_1"$ $FILE); then
    echo $FILE > $BRIDGE_LIST_1ST
    grep -v $FILE $BRIDGE_LIST_ALL > $BRIDGE_LIST_WORK2
    break
  fi
done
cp $BRIDGE_LIST_WORK2 $BRIDGE_LIST_WORK1
> $BRIDGE_LIST_WORK2

# create BRIDGE_LIST_BR1
> $BRIDGE_LIST_BR1
for FILE in `cat $BRIDGE_LIST_WORK1`
do
  if(grep -q "Bridge $BRIDGE_NAME_2"$ $FILE); then
    echo $FILE > $BRIDGE_LIST_BR1
  else
    echo $FILE >> $BRIDGE_LIST_WORK2
  fi
done
cp $BRIDGE_LIST_WORK2 $BRIDGE_LIST_WORK1
> $BRIDGE_LIST_WORK2

# add br1.local to BRIDGE_LIST_BR1
for FILE in `cat $BRIDGE_LIST_WORK1`
do
  if(grep -q "Bridge ${BRIDGE_NAME_2}.local"$ $FILE); then
    echo $FILE >> $BRIDGE_LIST_BR1
  else
    echo $FILE >> $BRIDGE_LIST_WORK2
  fi
done
cp $BRIDGE_LIST_WORK2 $BRIDGE_LIST_WORK1
> $BRIDGE_LIST_WORK2

# create BRIDGE_LIST_SUB
> $BRIDGE_LIST_SUB
for FILE in `cat $BRIDGE_LIST_WORK1`
do
  if(grep -q -e "Bridge brSpan" -e "Bridge brAtlas" $FILE); then
    echo $FILE >> $BRIDGE_LIST_SUB
  else
    echo $FILE >> $BRIDGE_LIST_WORK2
  fi
done
cp $BRIDGE_LIST_WORK2 $BRIDGE_LIST_WORK1
> $BRIDGE_LIST_WORK2

# create BRIDGE_LIST_MAIN
cp $BRIDGE_LIST_WORK1 $BRIDGE_LIST_MAIN

#------------------------------------------------
# output 1st bridge

FILE=`cat $BRIDGE_LIST_1ST`
cat $FILE >> $OVS_FORMAT_FILE

# get next link
cat $FILE | grep patch -C2 | grep peer | sed 's|.*options: {peer=||' | sed 's|}||' | grep '\.d\.' > $PEER_FILE
PORT=`cat $PEER_FILE`
cat $FILE | grep $PORT -B3 | grep Port | sed "s|Port||g" | sed 's|\s||g' > $PORT_FILE

cp $PORT_FILE $CONNECTED_UPLINK_PORT_FILE
cp $PEER_FILE $CONNECTED_UPLINK_PEER_FILE
> $PORT_FILE
> $PEER_FILE

echo $BRIDGE_BORDER >> $OVS_FORMAT_FILE

#------------------------------------------------
# br0 2nd chain and after

function output_next_bridge_chain(){

  > $BRIDGE_LIST_WORK1

  for FILE in `cat $BRIDGE_LIST_MAIN`
  do
    PORT=`cat $CONNECTED_UPLINK_PORT_FILE`
    PEER=`cat $CONNECTED_UPLINK_PEER_FILE`
    PRIV_BR_PEER=`cat $CONNECTED_UPLINK_PEER_FILE`

    if (grep -q -E "Port $PRIV_BR_PEER"$ $FILE); then
      CURRENT_DOWNLINK_PORT=`cat $CONNECTED_UPLINK_PEER_FILE`
      CURRENT_DOWNLINK_PEER=`cat $CONNECTED_UPLINK_PORT_FILE`

      PRIV_UPLINK_PORT=`cat $CONNECTED_UPLINK_PORT_FILE`

      cat $FILE >> $OVS_FORMAT_FILE
      echo $BRIDGE_BORDER >> $OVS_FORMAT_FILE

      # get all peer port
      cat $FILE | grep -C2 patch | grep peer | sed 's|.*options: {peer=||' | sed 's|}||' > $PEER_ALL_FILE

      cat $PEER_ALL_FILE | grep "\.d" > $PEER_FILE
      PEER=`cat $PEER_FILE`

      # get exclude peer port
      cat $PEER_FILE | grep -v $PRIV_UPLINK_PORT > ${PEER_FILE}.tmp
      cp ${PEER_FILE}.tmp $PEER_FILE

      # get next bridge port
      PEER=`cat $PEER_FILE`
      cat $FILE | grep -B3 "$PEER" | grep Port | sed "s|Port||g" | sed 's|\s||g' > $PORT_FILE

      cp $PORT_FILE $CONNECTED_UPLINK_PORT_FILE
      cp $PEER_FILE $CONNECTED_UPLINK_PEER_FILE
    else
      echo $FILE >> $BRIDGE_LIST_WORK1
    fi
  done
  cp $BRIDGE_LIST_WORK1 $BRIDGE_LIST_MAIN
}

while [ -s $BRIDGE_LIST_MAIN ]
do
  output_next_bridge_chain
done

#------------------------------------------------
# output 2nd Bridge (br1)

for FILE in `cat $BRIDGE_LIST_BR1`
do
  cat $FILE >> $OVS_FORMAT_FILE
  echo $BRIDGE_BORDER >> $OVS_FORMAT_FILE
done

#------------------------------------------------
# output other bridges

for FILE in `cat $BRIDGE_LIST_SUB`
do
  cat $FILE >> $OVS_FORMAT_FILE
  echo $BRIDGE_BORDER >> $OVS_FORMAT_FILE
done

#------------------------------------------------
# cleanup

if [ $DEBUG -eq 1 ]; then
  echo "formatted output file: $OVS_FORMAT_FILE"
else
  cat $OVS_FORMAT_FILE
  rm -rf $TEMP_DIR
fi

下記の投稿むけ。
Nutanix CE の Open vSwitch ブリッジ チェーンを整形出力してみる。
https://blog.ntnx.jp/entry/2022/07/31/224708