Goal : We have diff config notification if there are config changes on network devices

Requirements:

• msmtp
• msmtp-mta
• ansi2html
• oxidized script

Package Installation

pip install ansi2html

apt-get install colordiff msmtp msmtp-mta -y

Put the script below, it will automatically create oxidized-report-git-commits in folder /opt/oxidized

cat <<'EOF' > /opt/oxidized/oxidized-report-git-commits
#!/bin/sh

echo "Node name: ${OX_NODE_NAME}"
echo "Group name: ${OX_NODE_GROUP}"
echo "Job status: ${OX_JOB_STATUS}"
echo "Job time: ${OX_JOB_TIME}"

if [ "${OX_EVENT}" = "node_fail" ]; then
    echo 'Job failed'
    exit 64
fi

if [ -z "${OX_REPO_COMMITREF}" ]; then
	echo '$OX_REPO_COMMITREF not set'
	exit 64
fi

if [ -z "${OX_REPO_NAME}" ]; then
	echo '$OX_REPO_NAME not set'
	exit 64
fi
	
echo "Git repo: ${OX_REPO_NAME}"
echo "Git commit ID: ${OX_REPO_COMMITREF}"
echo ""

git --bare --git-dir="${OX_REPO_NAME}" show --pretty='' --no-color "${OX_REPO_COMMITREF}"
EOF

chmod +x /opt/oxidized/oxidized-report-git-commits

cat <<EOF > /etc/msmtprc
# Set default values for all following accounts.
defaults
auth on
tls on
tls_trust_file /etc/ssl/certs/ca-certificates.crt
logfile ~/.msmtp.log
# Gmail
account gmail
host smtp.gmail.com
port 587
from geeksopslab@gmail.com
user geeksopslab@gmail.com
password HIDDENPASSWORD!!

# Set a default account
account default : gmail
EOF

The part of configuration which will send via email if there are change configuration on network devices. Edit file in /opt/oxidized/.config/oxidized/config and put the configuration below

hooks:
 email_output:
   type: exec
   events: [post_store]
   cmd: 'echo "From:Oxidized\nTo:geeksopslab@gmail.com\nSubject: Production Network - Config diff ${OX_NODE_NAME}\nMIME-Version: 1.0\nContent-Type: text/html; charset=utf-8\n\n" > /tmp/${OX_NODE_NAME}; bash /opt/oxidized/oxidized-report-git-commits | tr -d \\r | colordiff | ansi2html >> /tmp/${OX_NODE_NAME}; msmtp rohmat.trie@gmail.com< /tmp/${OX_NODE_NAME}; rm /tmp/${OX_NODE_NAME}'
   async: true
   timeout: 120

Sample output