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‎.gitignore

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*.lst

‎README.md

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# cisco-backup-git
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# Description
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This script allows network backups of Cisco switches and routers.
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It stores the configs in git repositories.
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# How to use
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```sh
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./cisco-backup-git.sh -f dev.lst -d ../backup/ -n 8 -c "some changes description"
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```
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```sh
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./cisco-backup-git.sh -f dev.lst -d ../backup/ -n "29 30" -c "back up devices with number 29 and 30 from the configuration file"
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```
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```sh
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./cisco-backup-git.sh -f dev.lst -d ../backup/ -c "backup all devices from the configuration file"
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```
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# cisco backup user example
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```
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username backup privilege 3 secret 0 PASSWORD
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privilege exec all level 3 show running-config
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```

‎cisco-backup-git.sh

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#!/bin/bash
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RS=0;
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R1="^([0-9]{1,2})@([a-z]+)@([a-z]+)@([a-z]+)@([0-9a-zA-Z\.|]+)@([0-9a-zA-Z\.|#]+)@([0-9A-Za-z\.\-]+)@([0-9]+)$";
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SSHC="/usr/bin/ssh -4 -p 22 -oStrictHostKeyChecking=no -oPreferredAuthentications=password ";
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SSHC+="-oNumberOfPasswordPrompts=1 -oPubkeyAuthentication=no -oConnectTimeout=5 ";
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SSHC+="-oKexAlgorithms=+diffie-hellman-group1-sha1";
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# копирует файлы по симлинкам и это, похоже, никак не исправить (rsync?)
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SCPC="/usr/bin/scp -4 -r -oStrictHostKeyChecking=no -oPreferredAuthentications=password ";
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SCPC+="-oNumberOfPasswordPrompts=1 -oPubkeyAuthentication=no -oConnectTimeout=5";
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DEVFILE="";
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GITDIR="";
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DLST="";
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CMNT="";
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while getopts ":d:f:n:c:" opt; do
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case $opt in
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f) DEVFILE="${OPTARG}";;
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d) GITDIR="${OPTARG}";;
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n) DLST="${OPTARG}";;
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c) CMNT="${OPTARG}";;
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:) echo "Option -$OPTARG requires an argument." >&2;;
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\?) echo "Invalid option: -$OPTARG" >&2;;
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esac;
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done;
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GITDIR=`sed 's/\/$//' <<<"${GITDIR}"`;
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GITDIR=`realpath "${GITDIR}"`;
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if [ ! -d "${GITDIR}" ]; then
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echo "GIT folder does not exit";
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else if [ ! -f "${DEVFILE}" ]; then
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echo "File not found: "${DEVFILE}"";
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else
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CHANGES=0;
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git -C "${GITDIR}" pull;
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if [ ${?} -eq 0 ]; then while read L; do if [[ ${L} =~ ${R1} ]]; then
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HNUM="${BASH_REMATCH[1]}";
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HTYP="${BASH_REMATCH[2]}";
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STYP="${BASH_REMATCH[3]}";
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USER="${BASH_REMATCH[4]}";
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PASS="${BASH_REMATCH[5]}";
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ENBL="${BASH_REMATCH[6]}";
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HOST="${BASH_REMATCH[7]}";
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PORT="${BASH_REMATCH[8]}";
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if [ -n "${DLST}" ]; then
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if ! [[ " ${DLST} " =~ " ${HNUM} " ]]; then
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continue;
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fi;
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fi;
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FILE=""${GITDIR}"/"${HOST}".cfg";
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case "${HTYP}" in
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"linux")
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case "${STYP}" in
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"scp")
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mkdir -p "${GITDIR}"/"${HOST}"/ || exit 1;
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expc="set timeout 120\n";
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expc+="log_user 0\n";
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expc+="spawn "${SCPC}" -P "${PORT}" "${USER}"@"${HOST}":/etc/ "${GITDIR}"/"${HOST}"/\n";
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expc+="while 1 {\n";
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expc+="expect {\n";
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expc+="\"*Could not resolve*\" { send_user 'Temporary\ failure\ in\ nameresolution'; exit 1 }\n";
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expc+="\"*assword:\" { send -- ""${PASS}""\\\r\\\n }\n";
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expc+="\"*refused*\" { send_user 'refused'; exit 1 }\n";
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expc+="\"*not known*\" { send_user 'notknown'; exit 1 }\n";
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expc+="timeout { send_user 'timeout'; exit 1 }\n";
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expc+="eof { exit 0 }\n";
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expc+="}\n";
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expc+="}\n";
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expc+="exit 1\n";
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;;
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*)
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expc="send_user 'unknown'\nexit 1\n";
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;;
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esac;
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;;
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"cisco")
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case "${STYP}" in
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"ssh")
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expc="set timeout 6\n";
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expc+="log_user 0\n";
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expc+="spawn "${SSHC}" "${USER}"@"${HOST}"\n";
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expc+="while 1 {\n";
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expc+="expect {\n";
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expc+="\"*assword:\" { send -- \"""${PASS}""\\\r\\\n\" }\n";
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expc+="\"*>\" { send -- \"enable\n\";\sleep 1;\n";
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expc+="while 1 {\n";
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expc+="expect \"*assword:\" { send -- \"""${ENBL}""\n\"; sleep 1;break }\n";
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expc+="expect \"*denied*\" { send_user 'denied'; exit 1 }\n";
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expc+="}\n";
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expc+="}\n";
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expc+="\"*#\" { send -- \"terminal length 0\\\r\\\n\"; sleep 1; break }\n";
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expc+="\"*denied*\" { send_user 'denied'; exit 1 }\n";
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expc+="\"*refused*\" { send_user 'refused'; exit 1 }\n";
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expc+="\"*not known*\" { send_user 'notknown'; exit 1 }\n";
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expc+="timeout { send_user 'timeout'; exit 1 }\n";
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expc+="eof { send_user 'eof'; exit 1 }\n";
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expc+="}\n";
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expc+="}\n";
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expc+="log_user 1\n";
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expc+="expect \"*#\" { send -- \"show running-config view full\\\r\\\n\"; sleep 1;\n";
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expc+="expect # { send -- \"exit\\\r\\\n\"; exit 0 }\n";
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expc+="}\n";
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expc+="log_user 0\n";
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expc+="exit 1\n";
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;;
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"tel")
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expc="set timeout 3\n";
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expc+="log_user 0\n";
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expc+="spawn telnet "${HOST}"\n";
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expc+="while 1 {\n";
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expc+="expect {\n";
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expc+="\"*sername:\" { send -- ""${USER}""\\\r }\n";
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expc+="\"*assword:\" { send -- ""${PASS}""\\\r }\n";
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expc+="\"*denied*\" { send_user 'denied'; exit 1 }\n";
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expc+="\"*failed*\" { send_user 'denied'; exit 1 }\n";
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expc+="\"*refused*\" { send_user 'refused'; exit 1 }\n";
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expc+="\"*not known*\" { send_user 'notknown'; exit 1 }\n";
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expc+="\"*>\" { send_user 'permission'; exit 1 }\n";
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expc+="\"*#\" { send -- \"terminal length 0\\\r\"; break }\n";
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expc+="timeout { send_user 'timeout'; exit 1 }\n";
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expc+="}\n";
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expc+="}\n";
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expc+="log_user 1\n";
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expc+="expect \"*#\" { send -- \"show running-config view full\\\r\" }\n";
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expc+="expect \"*nvalid input*\" { send -- \"show running-config\\\r\" }\n";
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expc+="expect # { send -- \"exit\\\r\"; exit 0 }\n";
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expc+="log_user 0\n";
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expc+="exit 1\n";
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;;
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*)
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expc="send_user 'unknown'\nexit 1\n";
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;;
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esac;
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;;
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*)
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expc="send_user 'unknown'\nexit 1\n";
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;;
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esac;
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size=0;
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outex=$(echo -e "${expc}" | /usr/bin/expect -nN -f -);
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if [ ${?} -eq 0 ]; then
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case "${HTYP}" in
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"linux")
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case "${STYP}" in
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"scp")
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size=$(du -bs "${GITDIR}"/"${HOST}" | cut -f 1);
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if [ ${size} -ge 5000 ]; then
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echo "OK: "${HOST}"";
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git -C "${GITDIR}" add "${HOST}";
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CHANGES=1;
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else
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echo "ERROR: "${HOST}" status: size: "${size}"";
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RS=1;
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fi;
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;;
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esac;
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;;
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*)
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echo "${outex}" | sed -n '/!/,/^end/p' | egrep -v "ntp clock-period" > "${FILE}";
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size=$(wc -c <"${FILE}");
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if [ ${size} -ge 3100 ]; then
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echo "OK: "${HOST}"";
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git -C "${GITDIR}" add "${FILE}";
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CHANGES=1;
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else
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echo "ERROR: "${HOST}" status: size: "${size}"";
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RS=1;
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fi;
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;;
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esac;
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else
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echo "ERROR: "${HOST}" status: "${outex}"";
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RS=1;
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fi;
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else
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echo "ERROR: Wrong device's string: "${L}""
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RS=1;
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fi;
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done < <(egrep -v "^( +)?#.*$|^$" "${DEVFILE}" | sort -u);
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if [ ${CHANGES} -eq 1 ]; then
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git -C "${GITDIR}" commit -m "$(hostname).$(dnsdomainname) $(date +%Y-%m-%d_%H.%M.%S) ${CMNT}" && git -C "${GITDIR}" push;
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fi;
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fi;
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fi;
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fi;
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exit ${RS};

‎lst.example

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# NUMBER@DEVICE_TYPE@CONNECTION_PROTOCOL@DEVICE_USER@USER_PASSWORD@ENABLE_PASSWORD@DEVICE_ADDRESS@DEVICE_PORT
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1@cisco@ssh@USER@PASSWORD@[email protected]@22
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2@cisco@ssh@USER@PASSWORD@ENABLEPASS@router1@22
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3@cisco@ssh@USER@PASSWORD@ENABLEPASS@router2@22
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4@cisco@ssh@USER@PASSWORD@[email protected]@22
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5@cisco@tel@USER@PASSWORD@none@switch2@23
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6@cisco@tel@USER@@PASSWORD@[email protected]@23

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