lots of stuff

2026-08-16 14:48:04 +02:00
parent c63db540e8
commit 49fa352476
45 changed files with 32520 additions and 93 deletions
@@ -0,0 +1,77 @@
+#!/bin/bash
+
+set -uo pipefail
+
+textfile_dir={{ node_exporter_textfile_dir }}
+file=${textfile_dir}/hetzner.prom
+tmp=${file}.$$
+now=$(date +%s)
+
+ssh_opts="-p {{ hetzner_port }} -i {{ user_home }}/.ssh/id_ed25519 -o UserKnownHostsFile={{ user_home }}/.ssh/known_hosts -o StrictHostKeyChecking=yes -o BatchMode=yes -o ConnectTimeout=15"
+
+mkdir -p ${textfile_dir}
+
+reachable=0
+body=""
+
+emit_path() {
+    local label=$1
+    local remote=$2
+    local listing
+    local files
+    local bytes
+    local pending
+    local newest
+    local age=-1
+
+    if ! listing=$(sudo -u {{ user }} rsync --list-only -e "ssh ${ssh_opts}" {{ hetzner_user }}@{{ hetzner_host }}:${remote}/ 2>/dev/null)
+    then
+        body+="hetzner_remote_listing_ok{path=\"${label}\"} 0"$'\n'
+        return
+    fi
+
+    reachable=1
+
+    files=$(echo "${listing}" | awk '$1 ~ /^-/ && substr($5,1,1) != "." { c++ } END { print c + 0 }')
+    bytes=$(echo "${listing}" | awk '$1 ~ /^-/ && substr($5,1,1) != "." { gsub(",", "", $2); s += $2 } END { printf "%.0f", s + 0 }')
+    pending=$(echo "${listing}" | awk '$1 ~ /^-/ && substr($5,1,1) == "." { gsub(",", "", $2); s += $2 } END { printf "%.0f", s + 0 }')
+    newest=$(echo "${listing}" | awk '$1 ~ /^-/ && substr($5,1,1) != "." { print $3" "$4 }' | sort -r | head -1)
+
+    if [ -n "${newest}" ]
+    then
+        age=$((now - $(date -d "$(echo ${newest} | tr '/' '-')" +%s)))
+    fi
+
+    body+="hetzner_remote_listing_ok{path=\"${label}\"} 1"$'\n'
+    body+="hetzner_remote_files{path=\"${label}\"} ${files}"$'\n'
+    body+="hetzner_remote_bytes{path=\"${label}\"} ${bytes}"$'\n'
+    body+="hetzner_remote_pending_bytes{path=\"${label}\"} ${pending}"$'\n'
+    body+="hetzner_remote_newest_age_seconds{path=\"${label}\"} ${age}"$'\n'
+}
+
+{% for path in hetzner_paths %}
+emit_path "{{ path.dest | replace('./', '') }}" "{{ path.dest }}"
+{% endfor %}
+
+{
+    echo "# HELP hetzner_reachable Whether the storage box answered at least one listing."
+    echo "# TYPE hetzner_reachable gauge"
+    echo "hetzner_reachable ${reachable}"
+    echo "# HELP hetzner_last_check_timestamp_seconds Unix time of the last storage box check."
+    echo "# TYPE hetzner_last_check_timestamp_seconds gauge"
+    echo "hetzner_last_check_timestamp_seconds ${now}"
+    echo "# HELP hetzner_remote_listing_ok Whether this remote path could be listed."
+    echo "# TYPE hetzner_remote_listing_ok gauge"
+    echo "# HELP hetzner_remote_files Number of completed files stored at this remote path."
+    echo "# TYPE hetzner_remote_files gauge"
+    echo "# HELP hetzner_remote_bytes Bytes of completed files stored at this remote path."
+    echo "# TYPE hetzner_remote_bytes gauge"
+    echo "# HELP hetzner_remote_pending_bytes Bytes of in flight partial transfers at this remote path."
+    echo "# TYPE hetzner_remote_pending_bytes gauge"
+    echo "# HELP hetzner_remote_newest_age_seconds Age of the newest completed file at this remote path."
+    echo "# TYPE hetzner_remote_newest_age_seconds gauge"
+    printf '%s' "${body}"
+} > "${tmp}"
+
+chmod 0644 "${tmp}"
+mv "${tmp}" "${file}"