Script to verify Pi-hole version
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#!/bin/sh
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# Purpose {{{
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## Create a temp file (to monitor) if an upgrade is available for Pi-hole
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## from official repository − https://github.com/pi-hole/pi-hole
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## It's based on the pihole binary to check versions.
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## How-to use {{{
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### 1. Create a cron job, eg :
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#00 20 * * * root /opt/repos/ipr.scripts/app/check.pihole.update
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### 2-1 Create a cron job to compare the version available in an APT repository :
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#00 20 * * * root /opt/repos/ipr.scripts/app/check.pihole.update repo
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### 2. Monitor the temp file : /tmp/.pihole.upgrade
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# Or enable MAILTO in cronjob and edit the script to print a message.
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# Or send a mail.
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# …
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## }}}
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# }}}
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# Expect maximum 1 argument {{{
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if [ $# -gt 1 ]
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then
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cat << HELP
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check.pihole.update --
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Compare current version of an installed Pi-hole and the last available.
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EXAMPLE :
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- Compare the current version from pihole binary informations.
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check.pihole.update
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HELP
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exit 1
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fi
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# }}}
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# Vars {{{
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DEBUG=1
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pihole_current_status=$(pihole updatePihole --check-only)
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pihole_new_version_file="/tmp/.pihole.upgrade"
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# }}}
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# Check the current status with pihole subcommand {{{
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if printf -- '%s' "${pihole_current_status}" | grep -q -- "Everything is ERROR date"; then
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[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6s\e[m\n' "DEBUG : Pi-hole seems up to date."
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## Ensure to remove any temp file
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rm --force -- "${pihole_new_version_file}"
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else
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[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6s\e[m\n' "DEBUG : An update seems available for Pi-hole."
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## Create a temp file to monitor
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touch -- "${pihole_new_version_file}"
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printf '\e[1;35m%-6s\e[m\n' "An upgrade is available for Pi-hole, result of 'pihole updatePihole --check-only' command :" >> "${pihole_new_version_file}"
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pihole updatePihole --check-only >> "${pihole_new_version_file}"
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fi
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# }}}
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exit 0
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