174 lines
7.4 KiB
Bash
174 lines
7.4 KiB
Bash
#!/bin/bash
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# Copyright Broadcom, Inc. All Rights Reserved.
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# SPDX-License-Identifier: APACHE-2.0
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#
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# Environment configuration for pgpool
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# The values for all environment variables will be set in the below order of precedence
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# 1. Custom environment variables defined below after Bitnami defaults
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# 2. Constants defined in this file (environment variables with no default), i.e. BITNAMI_ROOT_DIR
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# 3. Environment variables overridden via external files using *_FILE variables (see below)
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# 4. Environment variables set externally (i.e. current Bash context/Dockerfile/userdata)
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# Load logging library
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# shellcheck disable=SC1090,SC1091
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. /opt/bitnami/scripts/liblog.sh
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export BITNAMI_ROOT_DIR="/opt/bitnami"
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export BITNAMI_VOLUME_DIR="/bitnami"
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# Logging configuration
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export MODULE="${MODULE:-pgpool}"
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export BITNAMI_DEBUG="${BITNAMI_DEBUG:-false}"
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# By setting an environment variable matching *_FILE to a file path, the prefixed environment
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# variable will be overridden with the value specified in that file
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pgpool_env_vars=(
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PGPOOL_WORK_DIR
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PGPOOL_USER_CONF_FILE
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PGPOOL_USER_HBA_FILE
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PGPOOL_PASSWD_FILE
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PGPOOL_PORT_NUMBER
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PGPOOL_ENABLE_POOL_HBA
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PGPOOL_ENABLE_POOL_PASSWD
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PGPOOL_ENABLE_LOAD_BALANCING
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PGPOOL_ENABLE_STATEMENT_LOAD_BALANCING
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PGPOOL_DISABLE_LOAD_BALANCE_ON_WRITE
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PGPOOL_ENABLE_CONNECTION_CACHE
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PGPOOL_TIMEOUT
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PGPOOL_CONNECT_TIMEOUT
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PGPOOL_MAX_POOL
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PGPOOL_HEALTH_CHECK_PERIOD
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PGPOOL_HEALTH_CHECK_TIMEOUT
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PGPOOL_HEALTH_CHECK_MAX_RETRIES
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PGPOOL_HEALTH_CHECK_RETRY_DELAY
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PGPOOL_HEALTH_CHECK_PSQL_TIMEOUT
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PGPOOL_AUTO_FAILBACK
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PGPOOL_DISCARD_STATUS
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PGPOOL_SR_CHECK_USER
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PGPOOL_SR_CHECK_PASSWORD
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PGPOOL_SR_CHECK_DATABASE
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PGPOOL_SR_CHECK_PERIOD
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PGPOOL_HEALTH_CHECK_USER
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PGPOOL_HEALTH_CHECK_PASSWORD
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PGPOOL_ADMIN_USERNAME
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PGPOOL_ADMIN_PASSWORD
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PGPOOL_POSTGRES_USERNAME
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PGPOOL_POSTGRES_PASSWORD
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PGPOOL_POSTGRES_CUSTOM_USERS
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PGPOOL_POSTGRES_CUSTOM_PASSWORDS
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PGPOOL_ENABLE_LDAP
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PGPOOL_AUTHENTICATION_METHOD
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PGPOOL_AES_KEY
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PGPOOL_ENABLE_TLS
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PGPOOL_TLS_CA_FILE
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PGPOOL_TLS_CERT_FILE
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PGPOOL_TLS_KEY_FILE
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PGPOOL_TLS_PREFER_SERVER_CIPHERS
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PGPOOL_ENABLE_LOG_CONNECTIONS
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PGPOOL_ENABLE_LOG_HOSTNAME
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PGPOOL_ENABLE_LOG_PCP_PROCESSES
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PGPOOL_ENABLE_LOG_PER_NODE_STATEMENT
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PGPOOL_BACKEND_NODES
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PGPOOL_BACKEND_APPLICATION_NAMES
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PGPOOL_FAILOVER_ON_BACKEND_SHUTDOWN
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PGPOOL_FAILOVER_ON_BACKEND_ERROR
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PGPOOL_DAEMON_USER
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PGPOOL_DAEMON_GROUP
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)
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for env_var in "${pgpool_env_vars[@]}"; do
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file_env_var="${env_var}_FILE"
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if [[ -n "${!file_env_var:-}" ]]; then
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if [[ -r "${!file_env_var:-}" ]]; then
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export "${env_var}=$(< "${!file_env_var}")"
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unset "${file_env_var}"
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else
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warn "Skipping export of '${env_var}'. '${!file_env_var:-}' is not readable."
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fi
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fi
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done
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unset pgpool_env_vars
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# Paths
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export PGPOOL_BASE_DIR="${BITNAMI_ROOT_DIR}/pgpool"
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export PGPOOL_BIN_DIR="${PGPOOL_BASE_DIR}/bin"
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export PGPOOL_DATA_DIR="${PGPOOL_BASE_DIR}/data"
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export PGPOOL_DEFAULT_CONF_DIR="${PGPOOL_BASE_DIR}/conf.default"
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export PGPOOL_CONF_DIR="${PGPOOL_BASE_DIR}/conf"
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export PGPOOL_DEFAULT_ETC_DIR="${PGPOOL_BASE_DIR}/etc.default"
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export PGPOOL_ETC_DIR="${PGPOOL_BASE_DIR}/etc"
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export PGPOOL_LOG_DIR="${PGPOOL_BASE_DIR}/logs"
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export PGPOOL_TMP_DIR="${PGPOOL_BASE_DIR}/tmp"
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export PGPOOL_WORK_DIR="${PGPOOL_WORK_DIR:-/tmp}"
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export PGPOOL_INITSCRIPTS_DIR="/docker-entrypoint-initdb.d"
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export PGPOOL_CONF_FILE="${PGPOOL_CONF_DIR}/pgpool.conf"
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export PGPOOL_PCP_CONF_FILE="${PGPOOL_ETC_DIR}/pcp.conf"
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export PGPOOL_PGHBA_FILE="${PGPOOL_CONF_DIR}/pool_hba.conf"
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export PGPOOL_USER_CONF_FILE="${PGPOOL_USER_CONF_FILE:-}"
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export PGPOOL_USER_HBA_FILE="${PGPOOL_USER_HBA_FILE:-}"
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export PGPOOL_LOG_FILE="${PGPOOL_LOG_DIR}/pgpool.log"
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export PGPOOL_PID_FILE="${PGPOOL_TMP_DIR}/pgpool.pid"
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export PGPOOL_PASSWD_FILE="${PGPOOL_PASSWD_FILE:-pool_passwd}"
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export PGPOOLKEYFILE="${PGPOOL_CONF_DIR}/.pgpoolkey"
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# General Pgpool-II settings
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export PGPOOL_PORT_NUMBER="${PGPOOL_PORT_NUMBER:-5432}"
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export PGPOOL_ENABLE_POOL_HBA="${PGPOOL_ENABLE_POOL_HBA:-yes}"
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export PGPOOL_ENABLE_POOL_PASSWD="${PGPOOL_ENABLE_POOL_PASSWD:-yes}"
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export PGPOOL_ENABLE_LOAD_BALANCING="${PGPOOL_ENABLE_LOAD_BALANCING:-yes}"
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export PGPOOL_ENABLE_STATEMENT_LOAD_BALANCING="${PGPOOL_ENABLE_STATEMENT_LOAD_BALANCING:-no}"
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export PGPOOL_DISABLE_LOAD_BALANCE_ON_WRITE="${PGPOOL_DISABLE_LOAD_BALANCE_ON_WRITE:-transaction}"
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export PGPOOL_ENABLE_CONNECTION_CACHE="${PGPOOL_ENABLE_CONNECTION_CACHE:-yes}"
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export PGPOOL_TIMEOUT="${PGPOOL_TIMEOUT:-360}"
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export PGPOOL_CONNECT_TIMEOUT="${PGPOOL_CONNECT_TIMEOUT:-10000}"
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export PGPOOL_MAX_POOL="${PGPOOL_MAX_POOL:-15}"
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export PGPOOL_HEALTH_CHECK_PERIOD="${PGPOOL_HEALTH_CHECK_PERIOD:-30}"
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export PGPOOL_HEALTH_CHECK_TIMEOUT="${PGPOOL_HEALTH_CHECK_TIMEOUT:-10}"
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export PGPOOL_HEALTH_CHECK_MAX_RETRIES="${PGPOOL_HEALTH_CHECK_MAX_RETRIES:-5}"
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export PGPOOL_HEALTH_CHECK_RETRY_DELAY="${PGPOOL_HEALTH_CHECK_RETRY_DELAY:-5}"
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export PGPOOL_HEALTH_CHECK_PSQL_TIMEOUT="${PGPOOL_HEALTH_CHECK_PSQL_TIMEOUT:-15}"
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export PGPOOL_AUTO_FAILBACK="${PGPOOL_AUTO_FAILBACK:-no}"
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export PGPOOL_DISCARD_STATUS="${PGPOOL_DISCARD_STATUS:-yes}"
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# Authentication settings
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export PGPOOL_SR_CHECK_USER="${PGPOOL_SR_CHECK_USER:-}"
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export PGPOOL_SR_CHECK_PASSWORD="${PGPOOL_SR_CHECK_PASSWORD:-}"
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export PGPOOL_SR_CHECK_DATABASE="${PGPOOL_SR_CHECK_DATABASE:-postgres}"
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export PGPOOL_SR_CHECK_PERIOD="${PGPOOL_SR_CHECK_PERIOD:-30}"
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export PGPOOL_HEALTH_CHECK_USER="${PGPOOL_HEALTH_CHECK_USER:-$PGPOOL_SR_CHECK_USER}"
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export PGPOOL_HEALTH_CHECK_PASSWORD="${PGPOOL_HEALTH_CHECK_PASSWORD:-$PGPOOL_SR_CHECK_PASSWORD}"
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export PGPOOL_ADMIN_USERNAME="${PGPOOL_ADMIN_USERNAME:-}"
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export PGPOOL_ADMIN_PASSWORD="${PGPOOL_ADMIN_PASSWORD:-}"
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export PGPOOL_POSTGRES_USERNAME="${PGPOOL_POSTGRES_USERNAME:-postgres}"
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export PGPOOL_POSTGRES_PASSWORD="${PGPOOL_POSTGRES_PASSWORD:-}"
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export PGPOOL_POSTGRES_CUSTOM_USERS="${PGPOOL_POSTGRES_CUSTOM_USERS:-}"
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export PGPOOL_POSTGRES_CUSTOM_PASSWORDS="${PGPOOL_POSTGRES_CUSTOM_PASSWORDS:-}"
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export PGPOOL_ENABLE_LDAP="${PGPOOL_ENABLE_LDAP:-no}"
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export PGPOOL_AUTHENTICATION_METHOD="${PGPOOL_AUTHENTICATION_METHOD:-scram-sha-256}"
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export PGPOOL_AES_KEY="${PGPOOL_AES_KEY:-head -c 20 /dev/urandom | base64}"
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# TLS settings
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export PGPOOL_ENABLE_TLS="${PGPOOL_ENABLE_TLS:-no}"
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export PGPOOL_TLS_CA_FILE="${PGPOOL_TLS_CA_FILE:-}"
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export PGPOOL_TLS_CERT_FILE="${PGPOOL_TLS_CERT_FILE:-}"
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export PGPOOL_TLS_KEY_FILE="${PGPOOL_TLS_KEY_FILE:-}"
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export PGPOOL_TLS_PREFER_SERVER_CIPHERS="${PGPOOL_TLS_PREFER_SERVER_CIPHERS:-yes}"
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# Logging settings
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export PGPOOL_ENABLE_LOG_CONNECTIONS="${PGPOOL_ENABLE_LOG_CONNECTIONS:-no}"
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export PGPOOL_ENABLE_LOG_HOSTNAME="${PGPOOL_ENABLE_LOG_HOSTNAME:-no}"
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export PGPOOL_ENABLE_LOG_PCP_PROCESSES="${PGPOOL_ENABLE_LOG_PCP_PROCESSES:-yes}"
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export PGPOOL_ENABLE_LOG_PER_NODE_STATEMENT="${PGPOOL_ENABLE_LOG_PER_NODE_STATEMENT:-no}"
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# PostgreSQL backend settings
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export PGPOOL_BACKEND_NODES="${PGPOOL_BACKEND_NODES:-}"
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export PGPOOL_BACKEND_APPLICATION_NAMES="${PGPOOL_BACKEND_APPLICATION_NAMES:-}"
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export PGPOOL_FAILOVER_ON_BACKEND_SHUTDOWN="${PGPOOL_FAILOVER_ON_BACKEND_SHUTDOWN:-on}"
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export PGPOOL_FAILOVER_ON_BACKEND_ERROR="${PGPOOL_FAILOVER_ON_BACKEND_ERROR:-off}"
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# System settings
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export PGPOOL_DAEMON_USER="${PGPOOL_DAEMON_USER:-pgpool}"
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export PGPOOL_DAEMON_GROUP="${PGPOOL_DAEMON_GROUP:-pgpool}"
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# Custom environment variables may be defined below
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