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provision-agent1.sh
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provision-agent1.sh
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#!/bin/env bash
# Configure script
set -e # Stop script execution on any error
echo ""; echo "-----------------------------------------"
# Configure variables
MYHOST=agent1
MYHOSTIP="10.0.0.33"
echo "- Variables set -"
# Set system name
hostnamectl set-hostname $MYHOST
cat >> /etc/hosts <<EOF
$MYHOSTIP $MYHOST $MYHOST.localdomain
EOF
echo "- Name set -"
# Install tools
curl -s http://download.opensuse.org/repositories/home:/kayhayen/CentOS_8/home:kayhayen.repo > /etc/yum.repos.d/nuitka.repo
dnf -yqe 3 install net-tools python3 epel-release
dnf -yqe 3 install nuitka
pip3 install icmplib > /dev/null 2>&1
echo "- Tools installed -"
# Install Application
curl -s https://packagecloud.io/install/repositories/sensu/stable/script.rpm.sh | sudo bash > /dev/null 2>&1
dnf -yqe 3 install sensu-go-agent sensu-go-cli
cat <<EOF > /etc/sensu/agent.yml
---
# Sensu agent configuration
##
# agent overview
##
name: "$MYHOST"
namespace: "default"
subscriptions:
- sla-sub
##
# agent configuration
##
backend-url:
- "ws://10.0.0.17:8081"
cache-dir: "/var/cache/sensu/sensu-agent"
config-file: "/etc/sensu/agent.yml"
disable-assets: false
log-level: "debug" # available log levels: panic, fatal, error, warn, info, debug
# Everything below this line is configuring the agent itself, IPs should be 127.0.0.1
##
# api configuration
##
api-host: "127.0.0.1"
api-port: 3031
disable-api: false
events-burst-limit: 10
events-rate-limit: 10.0
##
# authentication configuration
##
user: "admin"
password: "password"
##
# monitoring configuration
##
deregister: false
deregistration-handler: "example_handler"
keepalive-warning-timeout: 120
keepalive-interval: 20
##
# security configuration
##
insecure-skip-tls-verify: false
redact:
- password
- passwd
- pass
- api_key
- api_token
- access_key
- secret_key
- private_key
- secret
#trusted-ca-file: "/path/to/trusted-certificate-authorities.pem"
##
# socket configuration
##
disable-sockets: false
socket-host: "127.0.0.1"
socket-port: 3030
##
# statsd configuration
##
statsd-disable: false
statsd-event-handlers:
- example_handler
statsd-flush-interval: 10
statsd-metrics-host: "127.0.0.1"
statsd-metrics-port: 8125
EOF
cat <<EOF > /etc/sudoers.d/sensu
sensu ALL=NOPASSWD:/usr/bin/check-path.py ALL
EOF
echo "- Sensu installed -"
# Install check-path.py
curl -s "https://raw.githubusercontent.com/davetayl/Nagios-Plugins/master/check-path/check-path.py" -o /tmp/check-path.py > /dev/null 2>&1
nuitka3 --recurse-all /tmp/check-path.py -o /usr/bin/check-path.bin > /dev/null 2>&1
chmod +s /usr/bin/check-path.bin > /dev/null 2>&1
echo "- check-path.py Installed -"
# Install check-path-inf.py
curl -s "https://raw.githubusercontent.com/davetayl/influxdb-plugins/main/check-path/check-path-inf.py" -o /tmp/check-path-inf.py > /dev/null 2>&1
nuitka3 --recurse-all /tmp/check-path-inf.py -o /usr/bin/check-path-inf.bin > /dev/null 2>&1
chmod +s /usr/bin/check-path-inf.bin > /dev/null 2>&1
echo "- check-path-inf.py Installed -"
systemctl enable --now sensu-agent
echo "- Sensu started -"
echo "-----------------------------------------"
echo "With great power comes great opportunity!"
echo "-----------------------------------------"