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40 lines
1.4 KiB
Bash
Executable File
40 lines
1.4 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Description: Prometheus collects metrics and aggregates them into graphs.
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#
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set -euf -o pipefail
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REPO_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." >/dev/null 2>&1 && pwd)"
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IMAGE=postgres_exporter:dev
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CONTAINER=postgres_exporter
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# Use psql to read the effective values for PG* env vars (instead of, e.g., hardcoding the default
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# values).
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get_pg_env() { psql -c '\set' | grep "$1" | cut -f 2 -d "'"; }
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PGHOST=${PGHOST-$(get_pg_env HOST)}
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PGUSER=${PGUSER-$(get_pg_env USER)}
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PGPORT=${PGPORT-$(get_pg_env PORT)}
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# we need to be able to query migration_logs table
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PGDATABASE=${PGDATABASE-$(get_pg_env DBNAME)}
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ADJUSTED_HOST=${PGHOST:-127.0.0.1}
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if [[ ("$ADJUSTED_HOST" == "localhost" || "$ADJUSTED_HOST" == "127.0.0.1" || -f "$ADJUSTED_HOST") && "$OSTYPE" != "linux-gnu" ]]; then
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ADJUSTED_HOST="host.docker.internal"
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fi
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NET_ARG=""
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DATA_SOURCE_NAME="postgresql://${PGUSER}:${PGPASSWORD}@${ADJUSTED_HOST}:${PGPORT}/${PGDATABASE}?sslmode=${PGSSLMODE:-disable}"
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if [[ "$OSTYPE" == "linux-gnu" ]]; then
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NET_ARG="--net=host"
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DATA_SOURCE_NAME="postgresql://${PGUSER}:${PGPASSWORD}@${ADJUSTED_HOST}:${PGPORT}/${PGDATABASE}?sslmode=${PGSSLMODE:-disable}"
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fi
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echo "Building pg_exporter docker image"
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env IMAGE="${IMAGE}" "${REPO_ROOT}/docker-images/postgres_exporter/build.sh"
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exec docker run --rm -p9187:9187 ${NET_ARG} --name="$CONTAINER" \
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-e DATA_SOURCE_NAME="${DATA_SOURCE_NAME}" "${IMAGE}"
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