119 lines
4.8 KiB
Bash
119 lines
4.8 KiB
Bash
#!/bin/bash
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# Ver: 1.2 by Endial Fang (endial@126.com)
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#
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# 应用环境变量定义及初始化
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export ENV_DEBUG=${ENV_DEBUG:-false}
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export ALLOW_ANONYMOUS="${ALLOW_ANONYMOUS:-no}"
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# 通过读取变量名对应的 *_FILE 文件，获取变量值；如果对应文件存在，则通过传入参数设置的变量值会被文件中对应的值覆盖
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# 变量优先级： *_FILE > 传入变量 > 默认值
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app_env_file_lists=(
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PG_POSTGRES_PASSWORD
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PG_PASSWORD
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PG_REPLICATION_PASSWORD
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)
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for env_var in "${app_env_file_lists[@]}"; do
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file_env_var="${env_var}_FILE"
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if [[ -n "${!file_env_var:-}" ]]; then
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export "${env_var}=$(< "${!file_env_var}")"
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unset "${file_env_var}"
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fi
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done
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unset app_env_file_lists
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# 应用路径参数（Dockerfile 已定义：APP_NAME、APP_VER，可能定义 APP_USER、APP_EXEC）
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export APP_EXEC="${APP_EXEC:-${APP_NAME}}"
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export APP_USER="${APP_USER:-${APP_NAME}}"
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export APP_GROUP="${APP_USER:-${APP_NAME}}"
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export APP_HOME="${APP_HOME:-/srv/${APP_NAME}}"
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export APP_BASE="${APP_BASE:-/usr/local/${APP_NAME}}"
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export APP_DEF_DIR="${APP_BASE}/etc/${APP_NAME}"
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export APP_CONF_DIR="/srv/${APP_NAME}/conf"
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export APP_DATA_DIR="/srv/${APP_NAME}/data"
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export APP_CERT_DIR="/srv/${APP_NAME}/cert"
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export APP_LOG_DIR="/srv/${APP_NAME}/log"
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export APP_CACHE_DIR="/var/cache/${APP_NAME}"
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export APP_RUN_DIR="/var/run/${APP_NAME}"
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export PGDATA="${PGDATA:-${APP_DATA_DIR}}"
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export TZ=${TZ:-"Asia/Shanghai"}
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export PG_CONF_FILE="${PG_CONF_FILE:-${PGDATA}/postgresql.conf}"
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export PG_PID_FILE="${PG_PID_FILE:-${PGDATA}/postmaster.pid}"
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export PG_INIT_MAX_TIMEOUT=${PG_INIT_MAX_TIMEOUT:-60}
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export PG_REPLICATION_MODE="${PG_REPLICATION_MODE:-primary}"
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if [[ "${PG_REPLICATION_MODE}" == "primary" ]]; then
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export PG_SYNCHRONOUS_REPLICAS_NUM="${PG_SYNCHRONOUS_REPLICAS_NUM:-0}"
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export PG_SYNCHRONOUS_REPLICAS_METHOD="${PG_SYNCHRONOUS_REPLICAS_METHOD:-}"
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export PG_SYNCHRONOUS_REPLICAS_NAMES="${PG_SYNCHRONOUS_REPLICAS_NAMES:-\*}"
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export PG_CFG_MAX_WAL_SENDERS="${PG_CFG_MAX_WAL_SENDERS:-10}"
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export PG_CFG_WAL_LEVEL="${PG_CFG_WAL_LEVEL:-logical}"
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export PG_CFG_WAL_LOG_HINTS="${PG_CFG_WAL_LOG_HINTS:-on}"
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elif [[ "${PG_REPLICATION_MODE}" == "standby" ]]; then
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export PG_REPLICATION_APP_NAME=${PG_REPLICATION_APP_NAME:-cvcluster}
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export PG_REPLICATION_HOST="${PG_REPLICATION_HOST:-}"
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export PG_REPLICATION_PORT="${PG_REPLICATION_PORT:-5432}"
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export PG_REPLICATION_USER="${PG_REPLICATION_USER:-}"
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export PG_REPLICATION_PASSWORD="${PG_REPLICATION_PASSWORD:-}"
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export PG_REPLICATION_CONNECT_TIMEOUT="${PG_REPLICATION_CONNECT_TIMEOUT:-10}"
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# 配置允许从备机备份，参考：http://www.postgres.cn/docs/9.4/app-pgbasebackup.html
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export PG_CFG_FULL_PAGE_WRITES="${PG_CFG_FULL_PAGE_WRITES:-on}"
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export PG_CFG_HOT_STANDBY="${PG_CFG_HOT_STANDBY:-on}"
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export PG_CFG_MAX_WAL_SENDERS="${PG_CFG_MAX_WAL_SENDERS:-16}"
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fi
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# 应用配置参数
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export PG_ENABLE_LDAP="${PG_ENABLE_LDAP:-no}"
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if [[ ${PG_ENABLE_LDAP} == yes ]]; then
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export PG_LDAP_URL="${PG_LDAP_URL:-}"
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export PG_LDAP_PREFIX="${PG_LDAP_PREFIX:-}"
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export PG_LDAP_SUFFIX="${PG_LDAP_SUFFIX:-}"
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export PG_LDAP_SERVER="${PG_LDAP_SERVER:-}"
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export PG_LDAP_PORT="${PG_LDAP_PORT:-}"
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export PG_LDAP_SCHEME="${PG_LDAP_SCHEME:-}"
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export PG_LDAP_TLS="${PG_LDAP_TLS:-}"
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export PG_LDAP_BASE_DN="${PG_LDAP_BASE_DN:-}"
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export PG_LDAP_BIND_DN="${PG_LDAP_BIND_DN:-}"
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export PG_LDAP_BIND_PASSWORD="${PG_LDAP_BIND_PASSWORD:-}"
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export PG_LDAP_SEARCH_ATTR="${PG_LDAP_SEARCH_ATTR:-}"
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export PG_LDAP_SEARCH_FILTER="${PG_LDAP_SEARCH_FILTER:-}"
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fi
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export PG_INITDB_ARGS="${PG_INITDB_ARGS:-}"
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export PG_INITDB_WAL_DIR="${PG_INITDB_WAL_DIR:-${PGDATA}/pg_wal}"
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export PG_USER_CONNECTION_LIMIT="${PG_USER_CONNECTION_LIMIT:-}"
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export PG_DB_CONNECTION_LIMIT="${PG_DB_CONNECTION_LIMIT:-}"
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export PG_USER_IP4_RANGE="${PG_IP4_RANGE:-0.0.0.0/0}"
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export PG_USER_IP6_RANGE="${PG_IP6_RANGE:-::0/0}"
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export PG_REPLICATION_IP4_RANGE="${PG_REPLICATION_IP4_RANGE:-${PG_USER_IP4_RANGE}}"
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export PG_REPLICATION_IP6_RANGE="${PG_REPLICATION_IP6_RANGE:-${PG_USER_IP6_RANGE}}"
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export PG_USERNAME="${PG_USERNAME:-postgres}"
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export PG_PASSWORD="${PG_PASSWORD:-}"
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export PG_DATABASE="${PG_DATABASE:-postgres}"
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export PG_POSTGRES_PASSWORD="${PG_POSTGRES_PASSWORD:-}"
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# 使用自定义用户名（非"postgres"）时的管理员密码
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[[ "${PG_USERNAME}" == "postgres" ]] && export PG_POSTGRES_PASSWORD="${PG_PASSWORD}"
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# 用来执行初始化数据库命令的用户名及密码
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export PG_INITSCRIPTS_USERNAME="${PG_INITSCRIPTS_USERNAME:-${PG_USERNAME}}"
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export PG_INITSCRIPTS_PASSWORD="${PG_INITSCRIPTS_PASSWORD:-${PG_PASSWORD}}"
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# 内部变量
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# 个性化变量
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export PG_CFG_DATA_DIRECTORY="${PGDATA}"
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export PG_CFG_HBA_FILE="${PGDATA}/pg_hba.conf"
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export PG_CFG_IDENT_FILE="${PGDATA}/pg_ident.conf"
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export PG_CFG_EXTERNAL_PID_FILE="${APP_RUN_DIR}/postgresql.pid"
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export PG_CFG_LOG_DIRECTORY="${APP_LOG_DIR}"
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