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graphs: replace collectd with our custom collector

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collectd (with the python plugin) seems semi-abandoned. replace
with our own. we have more control over how to collect things instead
of relying on random plugins.
This commit is contained in:
Girish Ramakrishnan
2025-05-18 16:26:33 +02:00
parent 9ad0799b48
commit 4615418000
11 changed files with 221 additions and 405 deletions
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scripts/init-ubuntu.sh
-21
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@@ -133,27 +133,6 @@ apt-get -y --no-upgrade --no-install-recommends install grub2-common
sed -e 's/^GRUB_CMDLINE_LINUX="\(.*\)"$/GRUB_CMDLINE_LINUX="\1 cgroup_enable=memory swapaccount=1 panic_on_oops=1 panic=5"/' -i /etc/default/grub
update-grub
echo "==> Install collectd"
# without this, libnotify4 will install gnome-shell
apt-get install -y libnotify4 libcurl3-gnutls --no-install-recommends
# https://bugs.launchpad.net/ubuntu/+source/collectd/+bug/1872281
if [[ "${ubuntu_version}" == "22.04" ]]; then
readonly launchpad="https://launchpad.net/ubuntu/+source/collectd/5.12.0-9/+build/23189375/+files"
cd /tmp && wget -q "${launchpad}/collectd_5.12.0-9_amd64.deb" "${launchpad}/collectd-utils_5.12.0-9_amd64.deb" "${launchpad}/collectd-core_5.12.0-9_amd64.deb" "${launchpad}/libcollectdclient1_5.12.0-9_amd64.deb"
cd /tmp && apt install -y --no-install-recommends ./libcollectdclient1_5.12.0-9_amd64.deb ./collectd-core_5.12.0-9_amd64.deb ./collectd_5.12.0-9_amd64.deb ./collectd-utils_5.12.0-9_amd64.deb && rm -f /tmp/collectd_*.deb
echo -e "\nLD_PRELOAD=/usr/lib/python3.10/config-3.10-x86_64-linux-gnu/libpython3.10.so" >> /etc/default/collectd
else
if ! apt-get install -y --no-install-recommends collectd collectd-utils; then
# FQDNLookup is true in default debian config. The box code has a custom collectd.conf that fixes this
echo "Failed to install collectd, continuing anyway. Presumably because of http://mailman.verplant.org/pipermail/collectd/2015-March/006491.html"
fi
if [[ "${ubuntu_version}" == "20.04" ]]; then
echo -e "\nLD_PRELOAD=/usr/lib/python3.8/config-3.8-x86_64-linux-gnu/libpython3.8.so" >> /etc/default/collectd
fi
fi
sed -e 's/^FQDNLookup true/FQDNLookup false/' -i /etc/collectd/collectd.conf
# some hosts like atlantic install ntp which conflicts with timedatectl. https://serverfault.com/questions/1024770/ubuntu-20-04-time-sync-problems-and-possibly-incorrect-status-information
echo "==> Configuring host"
sed -e 's/^#NTP=/NTP=0.ubuntu.pool.ntp.org 1.ubuntu.pool.ntp.org 2.ubuntu.pool.ntp.org 3.ubuntu.pool.ntp.org/' -i /etc/systemd/timesyncd.conf