50 lines
2 KiB
Bash
50 lines
2 KiB
Bash
#!/usr/bin/env bash
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###############################################################################
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# Uptime Kuma push script using JSON inventory + jq
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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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CURL_OPTS=(--silent --show-error --max-time 4)
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# 0-4 s start-up jitter so many VMs don’t hit Kuma simultaneously
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sleep $(( RANDOM % 5 ))
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# --------------------------------------------------------------------------- #
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push() { # $1 token $2 status $3 msg $4 ping-ms
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curl "${CURL_OPTS[@]}" \
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"${BASE}/${1}?status=${2}&msg=${3// /%20}&ping=${4}" \
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|| true # don’t abort script if push itself fails
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}
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check_http() { # arg: URL
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local t0=$(date +%s%3N)
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local code
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code=$(curl "${CURL_OPTS[@]}" -o /dev/null -w '%{http_code}' "$1" || echo 000)
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echo "$([[ $code =~ ^2|3 ]] && echo up || echo down) $(( $(date +%s%3N) - t0 ))"
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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 "$1" 2>/dev/null && echo "up 0" || echo "down 0"; }
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check_native() { echo "up 0"; }
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# --------------------------------------------------------------------------- #
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# Loop over checks defined in the JSON inventory
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jq -c '.[]' "$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") # may be absent for "native"
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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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