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awoooi/scripts/ops/188-db-exporters-restore.sh

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#!/usr/bin/env bash
# Restore PostgreSQL / Redis exporters on 192.168.0.188 without host networking.
#
# Required on the host:
# /home/ollama/monitoring/.env.exporters
#
# Required variables:
# POSTGRES_EXPORTER_DATA_SOURCE_NAME=postgresql://...@192.168.0.188:5432/...?...sslmode=disable
#
# Optional variables:
# REDIS_EXPORTER_ADDR=192.168.0.188:6380
# REDIS_PASSWORD=
set -euo pipefail
ENV_FILE="${EXPORTER_ENV_FILE:-/home/ollama/monitoring/.env.exporters}"
QUERIES_FILE="${POSTGRES_EXPORTER_QUERIES_FILE:-/home/ollama/monitoring/postgres-exporter-queries.yaml}"
POSTGRES_IMAGE="${POSTGRES_EXPORTER_IMAGE:-prometheuscommunity/postgres-exporter:v0.15.0}"
REDIS_IMAGE="${REDIS_EXPORTER_IMAGE:-oliver006/redis_exporter:v1.58.0}"
if [ ! -f "$ENV_FILE" ]; then
echo "EXPORTER_ENV_FILE_MISSING $ENV_FILE" >&2
exit 2
fi
set -a
# shellcheck disable=SC1090
. "$ENV_FILE"
set +a
if [ -z "${POSTGRES_EXPORTER_DATA_SOURCE_NAME:-}" ]; then
echo "POSTGRES_EXPORTER_DATA_SOURCE_NAME_MISSING" >&2
exit 2
fi
if [ ! -f "$QUERIES_FILE" ]; then
echo "POSTGRES_EXPORTER_QUERIES_FILE_MISSING $QUERIES_FILE" >&2
exit 2
fi
REDIS_EXPORTER_ADDR="${REDIS_EXPORTER_ADDR:-192.168.0.188:6380}"
REDIS_PASSWORD="${REDIS_PASSWORD:-}"
docker rm -f postgres-exporter redis-exporter >/dev/null 2>&1 || true
docker run -d \
--name postgres-exporter \
--restart unless-stopped \
-p 9187:9187 \
-e DATA_SOURCE_NAME="$POSTGRES_EXPORTER_DATA_SOURCE_NAME" \
-e PG_EXPORTER_EXTEND_QUERY_PATH=/etc/postgres_exporter/queries.yaml \
-e PG_EXPORTER_LOG_LEVEL=info \
-v "$QUERIES_FILE:/etc/postgres_exporter/queries.yaml:ro" \
"$POSTGRES_IMAGE" >/dev/null
redis_args=(
docker run -d
--name redis-exporter
--restart unless-stopped
-p 9121:9121
-e "REDIS_ADDR=$REDIS_EXPORTER_ADDR"
-e "REDIS_EXPORTER_CHECK_KEYS=awoooi:*"
-e REDIS_EXPORTER_INCL_SYSTEM_METRICS=true
)
if [ -n "$REDIS_PASSWORD" ]; then
redis_args+=(-e "REDIS_PASSWORD=$REDIS_PASSWORD")
fi
redis_args+=("$REDIS_IMAGE")
"${redis_args[@]}" >/dev/null
pg_up="$(curl -fsS --max-time 5 http://127.0.0.1:9187/metrics | awk '/^pg_up / {print $2; exit}')"
redis_up="$(curl -fsS --max-time 5 http://127.0.0.1:9121/metrics | awk '/^redis_up / {print $2; exit}')"
echo "POSTGRES_EXPORTER_UP ${pg_up:-missing}"
echo "REDIS_EXPORTER_UP ${redis_up:-missing}"
test "${pg_up:-0}" = "1"
test "${redis_up:-0}" = "1"