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Add kuma-push.sh

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Jordan Wages 2025-08-01 01:41:26 -05:00
commit 4bb33e86dc
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#!/usr/bin/env bash
###############################################################################
# Push local status checks to Uptime Kuma
# Requires: bash ≥4, curl, yq (mikefarah/go-yq), optional docker & systemd
###############################################################################
set -Eeuo pipefail
CFG="/opt/kuma-checks.yaml"
BASE="https://status.jordanwages.com/api/push"
CURL_OPTS=(--silent --show-error --max-time 4)
# --------------------------------------------------------------------------- #
# Small random delay so many VMs don’t hammer Kuma at the same second
sleep $(( RANDOM % 5 )) # 0-4 s
# --------------------------------------------------------------------------- #
push() { # id status msg ping
curl "${CURL_OPTS[@]}" \
"${BASE}/${1}?status=${2}&msg=${3// /%20}&ping=${4}" \
|| true # don’t let a failed push abort the script
}
check_http() { # url
local start code
start=$(date +%s%3N)
code=$(curl "${CURL_OPTS[@]}" -o /dev/null -w '%{http_code}' "$1" || echo 000)
echo "$([[ $code =~ ^2|3 ]] && echo up || echo down) $(( $(date +%s%3N)-start ))"
}
check_service() { systemctl is-active --quiet "$1" && echo "up 0" || echo "down 0"; }
check_docker() { docker inspect -f '{{.State.Running}}' "$1" &>/dev/null && echo "up 0" || echo "down 0"; }
check_mount() { mountpoint -q "$1" && echo "up 0" || echo "down 0"; }
check_native() { echo "up 0"; } # simply reports “alive”
# --------------------------------------------------------------------------- #
# Iterate over YAML entries (null-delimited to survive spaces)
while IFS= read -r -d '' line; do
name=$(yq eval '.name' <<<"$line")
type=$(yq eval '.type' <<<"$line")
tgt=$(yq eval '.target' <<<"$line")
id=$(yq eval '.push' <<<"$line")
case $type in
http) read -r stat ping < <(check_http "$tgt") ;;
service) read -r stat ping < <(check_service "$tgt") ;;
docker) read -r stat ping < <(check_docker "$tgt") ;;
mount) read -r stat ping < <(check_mount "$tgt") ;;
native) read -r stat ping < <(check_native) ;;
*) stat=down ping=0 ;;
esac
push "$id" "$stat" "$name" "$ping"
done < <(yq eval '.checks[] | @json' -o=json -I0 "$CFG" | tr '\n' '\0')
# --------------------------------------------------------------------------- #