forked from ungleich-public/cdist
new __prometheus_alertmanager; fixes to __prometheus_server
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commit
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8 changed files with 57 additions and 24 deletions
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@ -1,34 +1,64 @@
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#!/bin/sh -e
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GOBIN=/opt/gocode/bin # where to find go binaries
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##### HARD-CODED CONFIG #####################################################
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CONF_DIR=/etc/prometheus
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LOGLEVEL=info
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CONF=$CONF_DIR/alertmanager.yml
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### Prometheus server #######################################################
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##### GET SETTINGS ##########################################################
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config="$(cat "$__object/parameter/config")"
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retention_days="$(cat "$__object/parameter/retention-days")"
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storage_path="$(cat "$__object/parameter/storage-path")"
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listen_address="$(cat "$__object/parameter/listen-address")"
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# listen_address="$(cat "$__object/parameter/listen-address")"
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FLAGS="config.file '$CONF'
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storage.path '$storage_path'
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web.listen-address '$listen_address'
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log.level $LOGLEVEL"
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##### INSTALL THE PACKAGE ###################################################
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REAL_FLAGS="$(echo "$FLAGS" | sed -nE 's/^([^#]+).*/ --\1 \\/p')"
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require_pkg="" # what to require if I want to require "the package"
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if [ -f "$__object/parameter/install-from-backports" ]; then
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os=$(cat "$__global/explorer/os")
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lsb_codename=$(cat "$__global/explorer/lsb_codename")
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__go_get github.com/prometheus/alertmanager/cmd/...
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case $os in
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devuan)
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if [ -z "$lsb_codename" ]; then
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echo "Command `lsb_release` not functional -- is package `lsb-release` installed?" >&2
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exit 1
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fi
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[ "$lsb_codename" = "n/a" ] && lsb_codename='ascii' # TODO this is a devuan bug that should be fixed soon => remove when no longer needed
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__apt_source backports --uri http://auto.mirror.devuan.org/merged --distribution $lsb_codename-backports --component main
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require="$require __apt_source/backports" __package_apt prometheus-alertmanager --target-release $lsb_codename-backports
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require_pkg="__package_apt/prometheus-alertmanager"
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;;
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*)
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echo "--install-from-backports is only supported on Devuan -- ignoring" >&2
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echo "send a pull request if you require it" >&2
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;;
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esac
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else
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__package prometheus-alertmanager
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require_pkg="__package/prometheus-alertmanager"
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fi
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__user prometheus --system
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require="__user/prometheus" __directory "$storage_path" --owner prometheus --parents
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require="__user/prometheus" __directory "$CONF_DIR" --owner prometheus --parents
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##### PREPARE PATHS AND SUCH ################################################
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__daemontools_service alertmanager --run "setuidgid prometheus $GOBIN/alertmanager $REAL_FLAGS"
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require="$require $require_pkg" __directory "$storage_path" --owner prometheus --parents
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require="$require __directory/$storage_path __user/prometheus" \
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# TODO this is a bug in the init script, patching it like this is awful and it should be reported
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require="$require $require_pkg" \
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__key_value alertmanager_fix_init_script --file /etc/init.d/prometheus-alertmanager --key="NAME" --value="prometheus-alertmanager" --delimiter "="
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##### CONFIGURE #############################################################
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FLAGS="--storage.path $storage_path --data.retention $(($retention_days*24))h --web.listen-address [::]:9093"
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require="$require $require_pkg" \
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__key_value alertmanager_args --file /etc/default/prometheus-alertmanager --key="ARGS" --value="\"$FLAGS\"" --delimiter "="
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require="$require __directory/$storage_path $require_pkg" \
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__config_file $CONF \
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--source $config \
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--group prometheus --mode 640 \
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--onchange "svc -h /service/alertmanager" # TODO when a config-check tool is available, check config here
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--onchange "service prometheus-alertmanager reload" # TODO when a config-check tool is available, check config here
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@ -0,0 +1 @@
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install-from-backports
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@ -0,0 +1 @@
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90
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@ -1 +1,2 @@
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storage-path
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retention-days
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@ -1,2 +1 @@
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config
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listen-address
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@ -17,6 +17,7 @@ rule_files="$(cat "$__object/parameter/rule-files")"
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##### INSTALL THE PACKAGE ###################################################
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require_pkg="" # what to require if I want to require "the package"
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if [ -f "$__object/parameter/install-from-backports" ]; then
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os=$(cat "$__global/explorer/os")
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lsb_codename=$(cat "$__global/explorer/lsb_codename")
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@ -30,6 +31,7 @@ if [ -f "$__object/parameter/install-from-backports" ]; then
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[ "$lsb_codename" = "n/a" ] && lsb_codename='ascii' # TODO this is a devuan bug that should be fixed soon => remove when no longer needed
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__apt_source backports --uri http://auto.mirror.devuan.org/merged --distribution $lsb_codename-backports --component main
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require="$require __apt_source/backports" __package_apt prometheus --target-release $lsb_codename-backports
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require_pkg="__package_apt/prometheus"
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;;
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*)
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echo "--install-from-backports is only supported on Devuan -- ignoring" >&2
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@ -38,21 +40,22 @@ if [ -f "$__object/parameter/install-from-backports" ]; then
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esac
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else
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__package prometheus
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require_pkg="__package/prometheus"
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fi
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##### PREPARE PATHS AND SUCH ################################################
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require="__package_apt/prometheus" __directory "$storage_path" --owner prometheus --parents
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require="$require $require_pkg" __directory "$storage_path" --owner prometheus --parents
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##### CONFIGURE #############################################################
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FLAGS="--storage.tsdb.path $storage_path --storage.tsdb.retention $(($retention_days*24))h"
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FLAGS="--storage.tsdb.path $storage_path --storage.tsdb.retention $(($retention_days*24))h --web.listen-address [::]:9090"
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# TODO it would be neat to restart prometheus on change -- __key_value really should have an --onchange parameter
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require="$require __package_apt/prometheus" \
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require="$require $require_pkg" \
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__key_value prometheus_args --file /etc/default/prometheus --key "ARGS" --value "\"$FLAGS\"" --delimiter "="
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require="$require __directory/$storage_path __package_apt/prometheus" \
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require="$require __directory/$storage_path $require_pkg" \
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__config_file $CONF \
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--source $config \
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--group prometheus --mode 640 \
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@ -60,7 +63,7 @@ __config_file $CONF \
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for file in $rule_files; do
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dest=$CONF_DIR/$(basename $file)
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require="$require __package_apt/prometheus" \
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require="$require $require_pkg" \
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__config_file "$dest" \
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--source "$file" \
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--owner prometheus \
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@ -1 +0,0 @@
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auto
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@ -1,4 +1,3 @@
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target-heap-size
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retention-days
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rule-files
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storage-path
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