105 lines
5.7 KiB
Cheetah
105 lines
5.7 KiB
Cheetah
{{- if and (ne .host.distro.family "windows") (stat (joinPath .host.home ".config" "age" "chezmoi.txt")) (or (stat (joinPath .chezmoi.sourceDir ".chezmoitemplates" "secrets" "NETDATA_TOKEN")) (env "NETDATA_TOKEN")) (or (stat (joinPath .chezmoi.sourceDir ".chezmoitemplates" "secrets" "NETDATA_ROOM")) (env "NETDATA_ROOM")) -}}
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#!/usr/bin/env bash
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# @file Netdata
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# @brief Connects Netdata with Netdata's free cloud dashboard and applies some system optimizations, if necessary
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# @description
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# This script connects Netdata with Netdata Cloud if Netdata is installed, the `NETDATA_TOKEN` is provided, and the
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# `NETDATA_ROOM` is defined. This allows you to graphically browse through system metrics on all your connected devices
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# from a single free web application.
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#
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# This script installs additional alerts and enables notifications if Netdata is installed. Email notifications are configured
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# using the provided primary email address. If the OS is Debian based, Netdata shows the number of CVEs in currently installed packages.
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{{ includeTemplate "universal/profile" }}
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{{ includeTemplate "universal/logg" }}
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### Claim the instance with Netdata Cloud
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if command -v netdata-claim.sh > /dev/null; then
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NETDATA_TOKEN="{{ if (stat (joinPath .chezmoi.sourceDir ".chezmoitemplates" "secrets" "NETDATA_TOKEN")) }}{{ includeTemplate "secrets/NETDATA_TOKEN" | decrypt }}{{ else }}{{ env "NETDATA_TOKEN" }}{{ end }}"
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NETDATA_ROOM="{{ if (stat (joinPath .chezmoi.sourceDir ".chezmoitemplates" "secrets" "NETDATA_ROOM")) }}{{ includeTemplate "secrets/NETDATA_ROOM" | decrypt }}{{ else }}{{ env "NETDATA_ROOM" }}{{ end }}"
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netdata-claim.sh -token="$NETDATA_TOKEN" -rooms="$NETDATA_ROOM" -url="{{ .netdataClaimURL }}"
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# Kernel optimizations
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# These are mentioned while installing via the kickstart.sh script method. We are using Homebrew for the installation though.
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# Assuming these optimizations do not cause any harm.
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if [ -d /Applications ] && [ -d /System ]; then
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# macOS
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logg info 'System is macOS so Netdata kernel optimizations are not required'
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else
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# Linux
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if [ -d /sys/kernel/mm/ksm ]; then
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logg info 'Adding Netdata kernel optimization for `/sys/kernel/mm/ksm/run`'
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echo 1 | sudo tee /sys/kernel/mm/ksm/run
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logg info 'Adding Netdata kernel optimization for `/sys/kernel/mm/ksm/sleep_millisecs`'
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echo 1000 | sudo tee /sys/kernel/mm/ksm/sleep_millisecs
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else
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logg info 'The `/sys/kernel/mm/ksm` directory does not exist so Netdata kernel optimizations are not being applied'
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fi
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fi
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### Install additional alerts and enable notifications
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if command -v netdata > /dev/null; then
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# Copy the additional alert definitions
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if [ -d /usr/local/etc/netdata ]; then
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NETDATA_ETC='/usr/local/etc/netdata/'
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elif [ -d /etc/netdata ]; then
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NETDATA_EDC='/etc/netdata'
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else
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logg error 'No etc location found for netdata' && exit 1
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fi
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logg info "Copying ${XDG_CONFIG_HOME:-$HOME/.config}/netdata/health.d/ to $NETDATA_ETC"
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sudo cp -rf "Copying ${XDG_CONFIG_HOME:-$HOME/.config}/netdata/health.d/" "$NETDATA_ETC"
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# Backup current health alarm configuration and apply new one
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if [ -d /usr/local/lib/netdata ]; then
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NETDATA_LIB='/usr/local/lib/netdata'
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elif [ -d /usr/lib/netdata ]; then
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NETDATA_LIB='/usr/lib/netdata'
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else
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logg error 'No lib location found for netdata' && exit 1
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fi
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logg info "Copying $${XDG_CONFIG_HOME:-$HOME/.config}/netdata/health_alarm_notify.conf to $NETDATA_LIB/conf.d/health_alarm_notify.conf"
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sudo cp -f "${XDG_CONFIG_HOME:-$HOME/.config}/netdata/health_alarm_notify.conf" "$NETDATA_LIB/conf.d/health_alarm_notify.conf"
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else
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logg warn '`netdata` is not available in the PATH or is not installed'
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fi
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### Ensure the apt command is available before running `debsecan` logic
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if command -v apt > /dev/null; then
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### Configure Netdata to gather information about CVEs in the installed packages
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if command -v debsecan > /dev/null; then
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DEBSECAN_GIT="${XDG_DATA_HOME:-$HOME/.local/share}/netdata-debsecan"
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# Installing the script to generate report on CVEs in installed packages
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logg info 'Installing script to generate on CVEs in installed packages'
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sudo cp -f "$DEBSECAN_GIT/usr_local_bin_debsecan-by-type" /usr/local/bin/debsecan-by-type
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# Generate initial debsecan reports in /var/log/debsecan/
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logg info 'Generating initial debsecan reports in /var/log/debsecan/'
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debsecan-by-type
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# Configure dpkg to refresh the file after each run
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logg info 'Configuring dpkg to refresh the file after each run'
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sudo cp -f "$DEBSECAN_GIT/etc_apt_apt.conf.d_99debsecan" /etc/apt/apt.conf.d/99-debsecan
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# Add a cron job to refresh the file every hour
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logg info 'Adding a cron job to refresh the file every hour'
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sudo cp -f "$DEBSECAN_GIT/etc_cron.d_debsecan" /etc/cron.d/debsecan
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# Install the module/configuration file
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logg info 'Installing the module and configuration file
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sudo "$DEBSECAN_GIT/debsecan.chart.py" /usr/libexec/netdata/python.d/debsecan.chart.py
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sudo "$DEBSECAN_GIT/debsecan.conf" /etc/netdata/python.d/debsecan.conf
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# Restart Netdata service
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logg info 'Restarting netdata service'
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sudo systemctl restart netdata
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else
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logg warn '`debsecan` is not available in the PATH or is not installed'
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fi
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fi
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else
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logg warn '`netdata-claim.sh` is not available in the PATH'
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fi
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{{ end -}}
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