55 lines
2.1 KiB
Bash
55 lines
2.1 KiB
Bash
#!/usr/bin/env bash
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###############################################################################
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# Uptime Kuma push script - Bash + jq + wget (no curl)
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###############################################################################
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set -Eeuo pipefail
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CFG="/opt/kuma-checks.json"
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BASE="https://status.jordanwages.com/api/push"
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WGET_OPTS=(--quiet --tries=1 --timeout=4 --output-document=/dev/null)
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# 0-4 s jitter so many VMs don't hit Kuma at the exact same second
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sleep $(( RANDOM % 5 ))
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# --------------------------------------------------------------------------- #
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push() { # $1 token $2 status $3 msg $4 ping-ms
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local url="${BASE}/${1}?status=${2}&msg=${3// /%20}&ping=${4}"
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wget "${WGET_OPTS[@]}" "$url" || true # Kuma will alert if pushes stop
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}
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check_http() { # arg: URL
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local start elapsed
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start=$(date +%s%3N)
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if wget "${WGET_OPTS[@]}" "$1"; then
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elapsed=$(( $(date +%s%3N) - start ))
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echo "up $elapsed"
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else
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elapsed=$(( $(date +%s%3N) - start ))
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echo "down $elapsed"
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fi
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}
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check_service() { systemctl is-active --quiet "$1" && echo "up 0" || echo "down 0"; }
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check_docker() { docker inspect -f '{{.State.Running}}' "$1" &>/dev/null && echo "up 0" || echo "down 0"; }
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check_mount() { mountpoint -q "$1" 2>/dev/null && echo "up 0" || echo "down 0"; }
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check_native() { echo "up 0"; }
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# --------------------------------------------------------------------------- #
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# Iterate through JSON inventory
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jq -c '.[]' "$CFG" | while IFS= read -r item; do
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name=$(jq -r '.name' <<<"$item")
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type=$(jq -r '.type' <<<"$item")
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id=$(jq -r '.push' <<<"$item")
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tgt=$(jq -r '.target // empty' <<<"$item") # target may be absent
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case "$type" in
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http) read -r stat ping < <(check_http "$tgt") ;;
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service) read -r stat ping < <(check_service "$tgt") ;;
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docker) read -r stat ping < <(check_docker "$tgt") ;;
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mount) read -r stat ping < <(check_mount "$tgt") ;;
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native) read -r stat ping < <(check_native) ;;
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*) stat=down ping=0 ;;
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esac
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push "$id" "$stat" "$name" "$ping"
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done
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