10.10.0-debian-9-r0 release

This commit is contained in:
Bitnami Bot 2019-10-08 12:53:59 +00:00
parent 760f843e8b
commit 852713d15f
19 changed files with 1757 additions and 4 deletions

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FROM bitnami/minideb-extras-base:stretch-r376
LABEL maintainer "Bitnami <containers@bitnami.com>"
ENV BITNAMI_PKG_CHMOD="-R g+rwX" \
HOME="/" \
OS_ARCH="amd64" \
OS_FLAVOUR="debian-9" \
OS_NAME="linux"
# Install required system packages and dependencies
RUN install_packages libbsd0 libc6 libedit2 libgcc1 libicu57 liblzma5 libncurses5 libnss-wrapper libssl1.1 libstdc++6 libtinfo5 libuuid1 libxml2 libxslt1.1 locales zlib1g
RUN . ./libcomponent.sh && component_unpack "postgresql-repmgr" "10.10.0-0" --checksum bd73d00b732b1f18d083b9d65316b625302d314d11c49495bf300c1073f88a70
RUN echo 'en_GB.UTF-8 UTF-8' >> /etc/locale.gen && locale-gen
RUN echo 'en_US.UTF-8 UTF-8' >> /etc/locale.gen && locale-gen
COPY rootfs /
RUN /postunpack.sh
ENV BITNAMI_APP_NAME="postgresql-repmgr" \
BITNAMI_IMAGE_VERSION="10.10.0-debian-9-r0" \
LANG="en_US.UTF-8" \
LANGUAGE="en_US:en" \
NAMI_PREFIX="/.nami" \
NSS_WRAPPER_LIB="/usr/lib/libnss_wrapper.so" \
PATH="/opt/bitnami/postgresql-repmgr/bin:/opt/bitnami/repmgr/bin:/opt/bitnami/postgresql/bin:$PATH"
EXPOSE 5432
USER 1001
ENTRYPOINT [ "/entrypoint.sh" ]
CMD [ "/run.sh" ]

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version: '2'
services:
pg-0:
image: bitnami/postgresql-repmgr:10
ports:
- 5432
volumes:
- pg_0_data:/bitnami/postgresql
environment:
- POSTGRESQL_POSTGRES_PASSWORD=adminpassword
- POSTGRESQL_USERNAME=customuser
- POSTGRESQL_PASSWORD=custompassword
- POSTGRESQL_DATABASE=customdatabase
- REPMGR_PASSWORD=repmgrpassword
- REPMGR_PRIMARY_HOST=pg-0
- REPMGR_PARTNER_NODES=pg-0,pg-1
- REPMGR_NODE_NAME=pg-0
- REPMGR_NODE_NETWORK_NAME=pg-0
pg-1:
image: bitnami/postgresql-repmgr:10
ports:
- 5432
volumes:
- pg_1_data:/bitnami/postgresql
environment:
- POSTGRESQL_POSTGRES_PASSWORD=adminpassword
- POSTGRESQL_USERNAME=customuser
- POSTGRESQL_PASSWORD=custompassword
- POSTGRESQL_DATABASE=customdatabase
- REPMGR_PASSWORD=repmgrpassword
- REPMGR_PRIMARY_HOST=pg-0
- REPMGR_PARTNER_NODES=pg-0,pg-1
- REPMGR_NODE_NAME=pg-1
- REPMGR_NODE_NETWORK_NAME=pg-1
volumes:
pg_0_data:
driver: local
pg_1_data:
driver: local

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#!/bin/bash
set -o errexit
set -o nounset
set -o pipefail
#set -o xtrace
# shellcheck disable=SC1091
# Load libraries
. /liblog.sh
. /libbitnami.sh
. /libpostgresql.sh
. /librepmgr.sh
# Load PostgreSQL & repmgr environment variables
eval "$(repmgr_env)"
eval "$(postgresql_env)"
export MODULE=postgresql-repmgr
print_welcome_page
# Enable the nss_wrapper settings
postgresql_enable_nss_wrapper
if [[ "$*" = *"/run.sh"* ]]; then
info "** Starting PostgreSQL with Replication Manager setup **"
/setup.sh
touch "$POSTGRESQL_TMP_DIR"/.initialized
info "** PostgreSQL with Replication Manager setup finished! **"
fi
echo ""
exec "$@"

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#!/bin/bash
set -o errexit
set -o nounset
set -o pipefail
# set -o xtrace # Uncomment this line for debugging purpose
header="[REPMGR EVENT::$2]"
export header
echo "$header Node id: $1; Event type: $2; Success [1|0]: $3; Time: $4; Details: $5"
if [[ $3 -ne 1 ]];then
echo "$header The event failed! No need to do anything."
exit 1
fi
if [[ $1 -ne $(repmgr_get_node_id) ]]; then
echo "$header The event did not happen on me! No need to do anything."
exit 1
fi

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#!/bin/bash
set -o errexit
set -o nounset
set -o pipefail
# set -o xtrace # Uncomment this line for debugging purpose
# shellcheck disable=SC2154
echo "$header Locking primary..."

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#!/bin/bash
set -o errexit
set -o nounset
set -o pipefail
# set -o xtrace # Uncomment this line for debugging purpose
readonly query="SELECT upstream_node_id FROM repmgr.nodes WHERE node_id=$(repmgr_get_node_id)"
readonly new_upstream_node_id="$(echo "$query" | BITNAMI_DEBUG=true postgresql_execute "$REPMGR_DATABASE" "$POSTGRESQL_REPLICATION_USER" "$POSTGRESQL_REPLICATION_PASSWORD" "" "" "-tA")"
if [[ -n "$new_upstream_node_id" ]]; then
# shellcheck disable=SC2154
echo "$header Locking standby (new_upstream_node_id=$new_upstream_node_id)..."
echo "$new_upstream_node_id" > "$REPMGR_STANDBY_ROLE_LOCK_FILE_NAME"
fi

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#!/bin/bash
set -o errexit
set -o nounset
set -o pipefail
# set -o xtrace # Uncomment this line for debugging purpose
# shellcheck disable=SC2154
echo "$header Unlocking primary..."
rm -f "$REPMGR_PRIMARY_ROLE_LOCK_FILE_NAME"

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#!/bin/bash
set -o errexit
set -o nounset
set -o pipefail
# set -o xtrace # Uncomment this line for debugging purpose
# shellcheck disable=SC2154
echo "$header Unlocking standby..."
rm -f "$REPMGR_STANDBY_ROLE_LOCK_FILE_NAME"

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#!/bin/bash
set -o errexit
set -o nounset
set -o pipefail
# set -o xtrace # Uncomment this line for debugging purpose
. "$REPMGR_EVENTS_DIR/execs/includes/anotate_event_processing.sh"
. "$REPMGR_EVENTS_DIR/execs/includes/lock_primary.sh"
. "$REPMGR_EVENTS_DIR/execs/includes/unlock_standby.sh"

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#!/bin/bash
set -o errexit
set -o nounset
set -o pipefail
# set -o xtrace # Uncomment this line for debugging purpose
# shellcheck disable=SC1090
# shellcheck disable=SC1091
. "$REPMGR_EVENTS_DIR/execs/includes/anotate_event_processing.sh"
. "$REPMGR_EVENTS_DIR/execs/includes/lock_standby.sh"

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#!/bin/bash
set -o errexit
set -o nounset
set -o pipefail
# set -o xtrace # Uncomment this line for debugging purpose
# shellcheck disable=SC1090
# shellcheck disable=SC1091
. "$REPMGR_EVENTS_DIR/execs/includes/anotate_event_processing.sh"
. "$REPMGR_EVENTS_DIR/execs/includes/unlock_primary.sh"

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#!/bin/bash
set -o errexit
set -o nounset
set -o pipefail
# set -o xtrace # Uncomment this line for debugging purpose
# shellcheck disable=SC1090
# shellcheck disable=SC1091
. "$REPMGR_EVENTS_DIR/execs/includes/anotate_event_processing.sh"
. "$REPMGR_EVENTS_DIR/execs/includes/lock_primary.sh"
. "$REPMGR_EVENTS_DIR/execs/includes/unlock_standby.sh"

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#!/bin/bash
set -o errexit
set -o nounset
set -o pipefail
# set -o xtrace # Uncomment this line for debugging purpose
# shellcheck disable=SC1090
# shellcheck disable=SC1091
# Load libraries
. /librepmgr.sh
. /libpostgresql.sh
eval "$(repmgr_env)"
eval "$(postgresql_env)"
echo "[REPMGR EVENT] Node id: $1; Event type: $2; Success [1|0]: $3; Time: $4; Details: $5"
event_script="$REPMGR_EVENTS_DIR/execs/$2.sh"
echo "Looking for the script: $event_script"
if [[ -f "$event_script" ]]; then
echo "[REPMGR EVENT] will execute script '$event_script' for the event"
. "$event_script"
else
echo "[REPMGR EVENT] no script '$event_script' found. Skipping..."
fi

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#!/bin/bash
#
# Bitnami PostgreSQL library
# shellcheck disable=SC1090
# shellcheck disable=SC1091
# Load Generic Libraries
. /libfile.sh
. /liblog.sh
. /libservice.sh
. /libvalidations.sh
########################
# Overwrite info, debug, warn and error functions (liblog.sh)
########################
postgresql_info() {
MODULE=postgresql info "${*}"
}
postgresql_debug() {
MODULE=postgresql debug "${*}"
}
postgresql_warn() {
MODULE=postgresql warn "${*}"
}
postgresql_error() {
MODULE=postgresql error "${*}"
}
########################
# Configure libnss_wrapper so PostgreSQL commands work with a random user.
# Globals:
# POSTGRESQL_*
# Arguments:
# None
# Returns:
# None
#########################
postgresql_enable_nss_wrapper() {
if ! getent passwd "$(id -u)" &> /dev/null && [ -e "$NSS_WRAPPER_LIB" ]; then
postgresql_debug "Configuring libnss_wrapper..."
export LD_PRELOAD="$NSS_WRAPPER_LIB"
# shellcheck disable=SC2155
export NSS_WRAPPER_PASSWD="$(mktemp)"
# shellcheck disable=SC2155
export NSS_WRAPPER_GROUP="$(mktemp)"
echo "postgres:x:$(id -u):$(id -g):PostgreSQL:$POSTGRESQL_DATA_DIR:/bin/false" > "$NSS_WRAPPER_PASSWD"
echo "postgres:x:$(id -g):" > "$NSS_WRAPPER_GROUP"
fi
}
########################
# Load global variables used on PostgreSQL configuration.
# Globals:
# POSTGRESQL_*
# Arguments:
# None
# Returns:
# Series of exports to be used as 'eval' arguments
#########################
postgresql_env() {
declare_env_alias() {
local -r alias="${1:?missing environment variable alias}"
local -r original="${2:?missing original environment variable}"
if printenv "${original}" > /dev/null; then
cat << EOF
export $alias="${!original}"
EOF
fi
}
# Alias created for official PostgreSQL image compatibility
[[ -z "${POSTGRESQL_DATABASE:-}" ]] && declare_env_alias POSTGRESQL_DATABASE POSTGRES_DB
[[ -z "${POSTGRESQL_USERNAME:-}" ]] && declare_env_alias POSTGRESQL_USERNAME POSTGRES_USER
[[ -z "${POSTGRESQL_DATA_DIR:-}" ]] && declare_env_alias POSTGRESQL_DATA_DIR PGDATA
local -r suffixes=(
"PASSWORD" "POSTGRES_PASSWORD" "INITDB_WAL_DIR" "INITDB_ARGS" "CLUSTER_APP_NAME"
"MASTER_HOST" "MASTER_PORT_NUMBER" "NUM_SYNCHRONOUS_REPLICAS"
"PORT_NUMBER" "REPLICATION_MODE" "REPLICATION_PASSWORD" "REPLICATION_USER" "FSYNC"
"SYNCHRONOUS_COMMIT_MODE" "PASSWORD_FILE" "POSTGRES_PASSWORD_FILE"
"REPLICATION_PASSWORD_FILE" "INIT_MAX_TIMEOUT"
)
for s in "${suffixes[@]}"; do
declare_env_alias "POSTGRESQL_${s}" "POSTGRES_${s}"
done
# Ensure the image is compatible with Helm chart 3.x.x series
local -r postgresql_data="${POSTGRESQL_DATA_DIR:-${PGDATA:-}}"
if [[ -n "${postgresql_data:-}" ]]; then
if [[ -d "${postgresql_data}/data" ]] || [[ "${postgresql_data}" = "/bitnami/postgresql" ]]; then
postgresql_warn "Data directory is set with a legacy value, adapting POSTGRESQL_DATA_DIR..."
postgresql_warn "POSTGRESQL_DATA_DIR set to \"${postgresql_data}/data\"!!"
cat << EOF
export POSTGRESQL_DATA_DIR="${postgresql_data}/data"
EOF
fi
fi
cat <<"EOF"
# Paths
export POSTGRESQL_VOLUME_DIR="${POSTGRESQL_VOLUME_DIR:-/bitnami/postgresql}"
export POSTGRESQL_DATA_DIR="${POSTGRESQL_DATA_DIR:-$POSTGRESQL_VOLUME_DIR/data}"
export POSTGRESQL_BASE_DIR="/opt/bitnami/postgresql"
export POSTGRESQL_CONF_DIR="$POSTGRESQL_BASE_DIR/conf"
export POSTGRESQL_MOUNTED_CONF_DIR="/bitnami/postgresql/conf"
export POSTGRESQL_CONF_FILE="$POSTGRESQL_CONF_DIR/postgresql.conf"
export POSTGRESQL_PGHBA_FILE="$POSTGRESQL_CONF_DIR/pg_hba.conf"
export POSTGRESQL_RECOVERY_FILE="$POSTGRESQL_DATA_DIR/recovery.conf"
export POSTGRESQL_LOG_DIR="$POSTGRESQL_BASE_DIR/logs"
export POSTGRESQL_LOG_FILE="$POSTGRESQL_LOG_DIR/postgresql.log"
export POSTGRESQL_TMP_DIR="$POSTGRESQL_BASE_DIR/tmp"
export POSTGRESQL_PID_FILE="$POSTGRESQL_TMP_DIR/postgresql.pid"
export POSTGRESQL_BIN_DIR="$POSTGRESQL_BASE_DIR/bin"
export POSTGRESQL_INITSCRIPTS_DIR=/docker-entrypoint-initdb.d
export POSTGRESQL_PREINITSCRIPTS_DIR=/docker-entrypoint-preinitdb.d
export PATH="$POSTGRESQL_BIN_DIR:$PATH"
# Users
export POSTGRESQL_DAEMON_USER="postgresql"
export POSTGRESQL_DAEMON_GROUP="postgresql"
# Settings
export POSTGRESQL_INIT_MAX_TIMEOUT=${POSTGRESQL_INIT_MAX_TIMEOUT:-60}
export POSTGRESQL_CLUSTER_APP_NAME=${POSTGRESQL_CLUSTER_APP_NAME:-walreceiver}
export POSTGRESQL_DATABASE="${POSTGRESQL_DATABASE:-postgres}"
export POSTGRESQL_INITDB_ARGS="${POSTGRESQL_INITDB_ARGS:-}"
export ALLOW_EMPTY_PASSWORD="${ALLOW_EMPTY_PASSWORD:-no}"
export POSTGRESQL_INITDB_WAL_DIR="${POSTGRESQL_INITDB_WAL_DIR:-}"
export POSTGRESQL_MASTER_HOST="${POSTGRESQL_MASTER_HOST:-}"
export POSTGRESQL_MASTER_PORT_NUMBER="${POSTGRESQL_MASTER_PORT_NUMBER:-5432}"
export POSTGRESQL_NUM_SYNCHRONOUS_REPLICAS="${POSTGRESQL_NUM_SYNCHRONOUS_REPLICAS:-0}"
export POSTGRESQL_PORT_NUMBER="${POSTGRESQL_PORT_NUMBER:-5432}"
export POSTGRESQL_REPLICATION_MODE="${POSTGRESQL_REPLICATION_MODE:-master}"
export POSTGRESQL_REPLICATION_USER="${POSTGRESQL_REPLICATION_USER:-}"
export POSTGRESQL_SYNCHRONOUS_COMMIT_MODE="${POSTGRESQL_SYNCHRONOUS_COMMIT_MODE:-on}"
export POSTGRESQL_FSYNC="${POSTGRESQL_FSYNC:-on}"
export POSTGRESQL_USERNAME="${POSTGRESQL_USERNAME:-postgres}"
EOF
if [[ -f "${POSTGRESQL_PASSWORD_FILE:-}" ]]; then
cat <<"EOF"
export POSTGRESQL_PASSWORD="$(< "${POSTGRESQL_PASSWORD_FILE}")"
EOF
else
cat <<"EOF"
export POSTGRESQL_PASSWORD="${POSTGRESQL_PASSWORD:-}"
EOF
fi
if [[ -f "${POSTGRESQL_REPLICATION_PASSWORD_FILE:-}" ]]; then
cat <<"EOF"
export POSTGRESQL_REPLICATION_PASSWORD="$(< "${POSTGRESQL_REPLICATION_PASSWORD_FILE}")"
EOF
else
cat <<"EOF"
export POSTGRESQL_REPLICATION_PASSWORD="${POSTGRESQL_REPLICATION_PASSWORD:-}"
EOF
fi
if [[ -f "${POSTGRESQL_POSTGRES_PASSWORD_FILE:-}" ]]; then
cat <<"EOF"
export POSTGRESQL_POSTGRES_PASSWORD="$(< "${POSTGRESQL_POSTGRES_PASSWORD_FILE}")"
EOF
else
cat <<"EOF"
export POSTGRESQL_POSTGRES_PASSWORD="${POSTGRESQL_POSTGRES_PASSWORD:-}"
EOF
fi
}
########################
# Validate settings in POSTGRESQL_* environment variables
# Globals:
# POSTGRESQL_*
# Arguments:
# None
# Returns:
# None
#########################
postgresql_validate() {
postgresql_info "Validating settings in POSTGRESQL_* env vars.."
local error_code=0
# Auxiliary functions
print_validation_error() {
postgresql_error "$1"
error_code=1
}
empty_password_enabled_warn() {
postgresql_warn "You set the environment variable ALLOW_EMPTY_PASSWORD=${ALLOW_EMPTY_PASSWORD}. For safety reasons, do not use this flag in a production environment."
}
empty_password_error() {
print_validation_error "The $1 environment variable is empty or not set. Set the environment variable ALLOW_EMPTY_PASSWORD=yes to allow the container to be started with blank passwords. This is recommended only for development."
}
if is_boolean_yes "$ALLOW_EMPTY_PASSWORD"; then
empty_password_enabled_warn
else
if [[ -z "$POSTGRESQL_PASSWORD" ]]; then
empty_password_error "POSTGRESQL_PASSWORD"
fi
if (( ${#POSTGRESQL_PASSWORD} > 100 )); then
print_validation_error "The password cannot be longer than 100 characters. Set the environment variable POSTGRESQL_PASSWORD with a shorter value"
fi
if [[ -n "$POSTGRESQL_USERNAME" ]] && [[ -z "$POSTGRESQL_PASSWORD" ]]; then
empty_password_error "POSTGRESQL_PASSWORD"
fi
if [[ -n "$POSTGRESQL_USERNAME" ]] && [[ "$POSTGRESQL_USERNAME" != "postgres" ]] && [[ -n "$POSTGRESQL_PASSWORD" ]] && [[ -z "$POSTGRESQL_DATABASE" ]]; then
print_validation_error "In order to use a custom PostgreSQL user you need to set the environment variable POSTGRESQL_DATABASE as well"
fi
fi
if [[ -n "$POSTGRESQL_REPLICATION_MODE" ]]; then
if [[ "$POSTGRESQL_REPLICATION_MODE" = "master" ]]; then
if (( POSTGRESQL_NUM_SYNCHRONOUS_REPLICAS < 0 )); then
print_validation_error "The number of synchronous replicas cannot be less than 0. Set the environment variable POSTGRESQL_NUM_SYNCHRONOUS_REPLICAS"
fi
elif [[ "$POSTGRESQL_REPLICATION_MODE" = "slave" ]]; then
if [[ -z "$POSTGRESQL_MASTER_HOST" ]]; then
print_validation_error "Slave replication mode chosen without setting the environment variable POSTGRESQL_MASTER_HOST. Use it to indicate where the Master node is running"
fi
if [[ -z "$POSTGRESQL_REPLICATION_USER" ]]; then
print_validation_error "Slave replication mode chosen without setting the environment variable POSTGRESQL_REPLICATION_USER. Make sure that the master also has this parameter set"
fi
else
print_validation_error "Invalid replication mode. Available options are 'master/slave'"
fi
# Common replication checks
if [[ -n "$POSTGRESQL_REPLICATION_USER" ]] && [[ -z "$POSTGRESQL_REPLICATION_PASSWORD" ]]; then
empty_password_error "POSTGRESQL_REPLICATION_PASSWORD"
fi
else
if is_boolean_yes "$ALLOW_EMPTY_PASSWORD"; then
empty_password_enabled_warn
else
if [[ -z "$POSTGRESQL_PASSWORD" ]]; then
empty_password_error "POSTGRESQL_PASSWORD"
fi
if [[ -n "$POSTGRESQL_USERNAME" ]] && [[ -z "$POSTGRESQL_PASSWORD" ]]; then
empty_password_error "POSTGRESQL_PASSWORD"
fi
fi
fi
[[ "$error_code" -eq 0 ]] || exit "$error_code"
}
########################
# Create basic postgresql.conf file using the example provided in the share/ folder
# Globals:
# POSTGRESQL_*
# Arguments:
# None
# Returns:
# None
#########################
postgresql_create_config() {
postgresql_info "postgresql.conf file not detected. Generating it..."
cp "$POSTGRESQL_BASE_DIR/share/postgresql.conf.sample" "$POSTGRESQL_CONF_FILE"
# Update default value for 'include_dir' directive
# ref: https://github.com/postgres/postgres/commit/fb9c475597c245562a28d1e916b575ac4ec5c19f#diff-f5544d9b6d218cc9677524b454b41c60
if ! grep include_dir "$POSTGRESQL_CONF_FILE" > /dev/null; then
postgresql_error "include_dir line is not present in $POSTGRESQL_CONF_FILE. This may be due to a changes in a new version of PostgreSQL. Please check"
exit 1
fi
sed -i -E "/#include_dir/i include_dir = 'conf.d'" "$POSTGRESQL_CONF_FILE"
}
########################
# Create basic pg_hba.conf file
# Globals:
# POSTGRESQL_*
# Arguments:
# None
# Returns:
# None
#########################
postgresql_create_pghba() {
postgresql_info "pg_hba.conf file not detected. Generating it..."
cat << EOF > "$POSTGRESQL_PGHBA_FILE"
host all all 0.0.0.0/0 trust
host all all ::1/128 trust
EOF
}
########################
# Change pg_hba.conf so it allows local UNIX socket-based connections
# Globals:
# POSTGRESQL_*
# Arguments:
# None
# Returns:
# None
#########################
postgresql_allow_local_connection() {
cat << EOF >> "$POSTGRESQL_PGHBA_FILE"
local all all trust
EOF
}
########################
# Change pg_hba.conf so only password-based authentication is allowed
# Globals:
# POSTGRESQL_*
# Arguments:
# None
# Returns:
# None
#########################
postgresql_restrict_pghba() {
if [[ -n "$POSTGRESQL_PASSWORD" ]]; then
sed -i 's/trust/md5/g' "$POSTGRESQL_PGHBA_FILE"
fi
}
########################
# Change pg_hba.conf so it allows access from replication users
# Globals:
# POSTGRESQL_*
# Arguments:
# None
# Returns:
# None
#########################
postgresql_add_replication_to_pghba() {
local replication_auth="trust"
if [[ -n "$POSTGRESQL_REPLICATION_PASSWORD" ]]; then
replication_auth="md5"
fi
cat << EOF >> "$POSTGRESQL_PGHBA_FILE"
host replication all 0.0.0.0/0 ${replication_auth}
EOF
}
########################
# Change a PostgreSQL configuration file by setting a property
# Globals:
# POSTGRESQL_*
# Arguments:
# $1 - property
# $2 - value
# $3 - Path to configuration file (default: $POSTGRESQL_CONF_FILE)
# Returns:
# None
#########################
postgresql_set_property() {
local -r property="${1:?missing property}"
local -r value="${2:?missing value}"
local -r conf_file="${3:-$POSTGRESQL_CONF_FILE}"
sed -i "s?^#*\s*${property}\s*=.*?${property} = '${value}'?g" "$conf_file"
}
########################
# Create a user for master-slave replication
# Globals:
# POSTGRESQL_*
# Arguments:
# None
# Returns:
# None
#########################
postgresql_create_replication_user() {
local -r escaped_password="${POSTGRESQL_REPLICATION_PASSWORD//\'/\'\'}"
postgresql_info "Creating replication user $POSTGRESQL_REPLICATION_USER"
echo "CREATE ROLE \"$POSTGRESQL_REPLICATION_USER\" REPLICATION LOGIN ENCRYPTED PASSWORD '$escaped_password'" | postgresql_execute
}
########################
# Change postgresql.conf by setting replication parameters
# Globals:
# POSTGRESQL_*
# Arguments:
# None
# Returns:
# None
#########################
postgresql_configure_replication_parameters() {
postgresql_info "Configuring replication parameters"
postgresql_set_property "wal_level" "hot_standby"
postgresql_set_property "max_wal_size" "400MB"
postgresql_set_property "max_wal_senders" "16"
postgresql_set_property "wal_keep_segments" "12"
postgresql_set_property "hot_standby" "on"
if (( POSTGRESQL_NUM_SYNCHRONOUS_REPLICAS > 0 )); then
postgresql_set_property "synchronous_commit" "$POSTGRESQL_SYNCHRONOUS_COMMIT_MODE"
postgresql_set_property "synchronous_standby_names" "${POSTGRESQL_NUM_SYNCHRONOUS_REPLICAS} (\"${POSTGRESQL_CLUSTER_APP_NAME}\")"
fi
}
########################
# Change postgresql.conf by setting fsync
# Globals:
# POSTGRESQL_*
# Arguments:
# None
# Returns:
# None
#########################
postgresql_configure_fsync() {
postgresql_info "Configuring fsync"
postgresql_set_property "fsync" "$POSTGRESQL_FSYNC"
}
########################
# Alter password of the postgres user
# Globals:
# POSTGRESQL_*
# Arguments:
# Password
# Returns:
# None
#########################
postgresql_alter_postgres_user() {
local -r escaped_password="${1//\'/\'\'}"
postgresql_info "Changing password of postgres"
echo "ALTER ROLE postgres WITH PASSWORD '$escaped_password';" | postgresql_execute
}
########################
# Create an admin user with all privileges in POSTGRESQL_DATABASE
# Globals:
# POSTGRESQL_*
# Arguments:
# None
# Returns:
# None
#########################
postgresql_create_admin_user() {
local -r escaped_password="${POSTGRESQL_PASSWORD//\'/\'\'}"
postgresql_info "Creating user ${POSTGRESQL_USERNAME}"
echo "CREATE ROLE \"${POSTGRESQL_USERNAME}\" WITH LOGIN CREATEDB PASSWORD '${escaped_password}';" | postgresql_execute
postgresql_info "Grating access to \"${POSTGRESQL_USERNAME}\" to the database \"${POSTGRESQL_DATABASE}\""
echo "GRANT ALL PRIVILEGES ON DATABASE \"${POSTGRESQL_DATABASE}\" TO \"${POSTGRESQL_USERNAME}\"\;" | postgresql_execute "" "postgres" "$POSTGRESQL_PASSWORD"
}
########################
# Create a database with name $POSTGRESQL_DATABASE
# Globals:
# POSTGRESQL_*
# Arguments:
# None
# Returns:
# None
#########################
postgresql_create_custom_database() {
echo "CREATE DATABASE \"$POSTGRESQL_DATABASE\"" | postgresql_execute "" "postgres" "" "localhost"
}
########################
# Change postgresql.conf to listen in 0.0.0.0
# Arguments:
# None
# Returns:
# None
#########################
postgresql_enable_remote_connections() {
postgresql_set_property "listen_addresses" "*"
}
########################
# Check if a given configuration file was mounted externally
# Globals:
# POSTGRESQL_*
# Arguments:
# $1 - Filename
# Returns:
# 1 if the file was mounted externally, 0 otherwise
#########################
postgresql_is_file_external() {
local -r filename=$1
if [[ -d "$POSTGRESQL_MOUNTED_CONF_DIR" ]] && [[ -f "$POSTGRESQL_MOUNTED_CONF_DIR"/"$filename" ]]; then
return 0
else
return 1
fi
}
########################
# Ensure PostgreSQL is initialized
# Globals:
# POSTGRESQL_*
# Arguments:
# None
# Returns:
# None
#########################
postgresql_initialize() {
postgresql_info "Initializing PostgreSQL database..."
# This fixes an issue where the trap would kill the entrypoint.sh, if a PID was left over from a previous run
# Exec replaces the process without creating a new one, and when the container is restarted it may have the same PID
rm -f "$POSTGRESQL_PID_FILE"
# User injected custom configuration
if [[ -d "$POSTGRESQL_MOUNTED_CONF_DIR" ]] && compgen -G "$POSTGRESQL_MOUNTED_CONF_DIR"/* > /dev/null; then
postgresql_debug "Copying files from $POSTGRESQL_MOUNTED_CONF_DIR to $POSTGRESQL_CONF_DIR"
cp -fr "$POSTGRESQL_MOUNTED_CONF_DIR"/. "$POSTGRESQL_CONF_DIR"
fi
local create_conf_file=yes
local create_pghba_file=yes
if postgresql_is_file_external "postgresql.conf"; then
postgresql_info "Custom configuration $POSTGRESQL_CONF_FILE detected"
create_conf_file=no
fi
if postgresql_is_file_external "pg_hba.conf"; then
postgresql_info "Custom configuration $POSTGRESQL_PGHBA_FILE detected"
create_pghba_file=no
fi
postgresql_debug "Ensuring expected directories/files exist..."
for dir in "$POSTGRESQL_TMP_DIR" "$POSTGRESQL_LOG_DIR"; do
ensure_dir_exists "$dir"
am_i_root && chown "$POSTGRESQL_DAEMON_USER:$POSTGRESQL_DAEMON_GROUP" "$dir"
done
is_boolean_yes "$create_conf_file" && postgresql_create_config
is_boolean_yes "$create_pghba_file" && postgresql_create_pghba && postgresql_allow_local_connection
if ! is_dir_empty "$POSTGRESQL_DATA_DIR"; then
postgresql_info "Deploying PostgreSQL with persisted data..."
local -r postmaster_path="$POSTGRESQL_DATA_DIR"/postmaster.pid
if [[ -f "$postmaster_path" ]]; then
postgresql_info "Cleaning stale postmaster.pid file"
rm "$postmaster_path"
fi
is_boolean_yes "$create_pghba_file" && postgresql_restrict_pghba
is_boolean_yes "$create_conf_file" && postgresql_configure_replication_parameters
is_boolean_yes "$create_conf_file" && postgresql_configure_fsync
[[ "$POSTGRESQL_REPLICATION_MODE" = "master" ]] && [[ -n "$POSTGRESQL_REPLICATION_USER" ]] && is_boolean_yes "$create_pghba_file" && postgresql_add_replication_to_pghba
else
ensure_dir_exists "$POSTGRESQL_DATA_DIR"
am_i_root && chown "$POSTGRESQL_DAEMON_USER:$POSTGRESQL_DAEMON_GROUP" "$POSTGRESQL_DATA_DIR"
if [[ "$POSTGRESQL_REPLICATION_MODE" = "master" ]]; then
postgresql_master_init_db
postgresql_start_bg
[[ -n "${POSTGRESQL_DATABASE}" ]] && [[ "$POSTGRESQL_DATABASE" != "postgres" ]] && postgresql_create_custom_database
if [[ "$POSTGRESQL_USERNAME" = "postgres" ]]; then
postgresql_alter_postgres_user "$POSTGRESQL_PASSWORD"
else
if [[ -n "$POSTGRESQL_POSTGRES_PASSWORD" ]]; then
postgresql_alter_postgres_user "$POSTGRESQL_POSTGRES_PASSWORD"
fi
postgresql_create_admin_user
fi
is_boolean_yes "$create_pghba_file" && postgresql_restrict_pghba
[[ -n "$POSTGRESQL_REPLICATION_USER" ]] && postgresql_create_replication_user
is_boolean_yes "$create_conf_file" && postgresql_configure_replication_parameters
is_boolean_yes "$create_conf_file" && postgresql_configure_fsync
[[ -n "$POSTGRESQL_REPLICATION_USER" ]] && is_boolean_yes "$create_pghba_file" && postgresql_add_replication_to_pghba
else
postgresql_slave_init_db
is_boolean_yes "$create_pghba_file" && postgresql_restrict_pghba
is_boolean_yes "$create_conf_file" && postgresql_configure_replication_parameters
is_boolean_yes "$create_conf_file" && postgresql_configure_fsync
postgresql_configure_recovery
fi
fi
# Delete conf files generated on first run
rm -f "$POSTGRESQL_DATA_DIR"/postgresql.conf "$POSTGRESQL_DATA_DIR"/pg_hba.conf
}
########################
# Run custom pre-initialization scripts
# Globals:
# POSTGRESQL_*
# Arguments:
# None
# Returns:
# None
#########################
postgresql_custom_pre_init_scripts() {
info "Loading custom pre-init scripts..."
if [[ -n $(find "$POSTGRESQL_PREINITSCRIPTS_DIR/" -type f -name "*.sh") ]]; then
info "Loading user's custom files from $POSTGRESQL_PREINITSCRIPTS_DIR ...";
find "$POSTGRESQL_PREINITSCRIPTS_DIR/" -type f -name "*.sh" | sort | while read -r f; do
if [[ -x "$f" ]]; then
debug "Executing $f"; "$f"
else
debug "Sourcing $f"; . "$f"
fi
done
fi
}
########################
# Run custom initialization scripts
# Globals:
# POSTGRESQL_*
# Arguments:
# None
# Returns:
# None
#########################
postgresql_custom_init_scripts() {
postgresql_info "Loading custom scripts..."
if [[ -n $(find "$POSTGRESQL_INITSCRIPTS_DIR/" -type f -regex ".*\.\(sh\|sql\|sql.gz\)") ]] && [[ ! -f "$POSTGRESQL_VOLUME_DIR/.user_scripts_initialized" ]] ; then
postgresql_info "Loading user's custom files from $POSTGRESQL_INITSCRIPTS_DIR ...";
postgresql_start_bg
find "$POSTGRESQL_INITSCRIPTS_DIR/" -type f -regex ".*\.\(sh\|sql\|sql.gz\)" | sort | while read -r f; do
case "$f" in
*.sh)
if [[ -x "$f" ]]; then
postgresql_debug "Executing $f"; "$f"
else
postgresql_debug "Sourcing $f"; . "$f"
fi
;;
*.sql) postgresql_debug "Executing $f"; postgresql_execute "$POSTGRESQL_DATABASE" "$POSTGRESQL_USERNAME" "$POSTGRESQL_PASSWORD" < "$f";;
*.sql.gz) postgresql_debug "Executing $f"; gunzip -c "$f" | postgresql_execute "$POSTGRESQL_DATABASE" "$POSTGRESQL_USERNAME" "$POSTGRESQL_PASSWORD";;
*) postgresql_debug "Ignoring $f" ;;
esac
done
touch "$POSTGRESQL_VOLUME_DIR"/.user_scripts_initialized
fi
}
########################
# Stop PostgreSQL
# Globals:
# POSTGRESQL_*
# Arguments:
# None
# Returns:
# None
#########################
postgresql_stop() {
postgresql_info "Stopping PostgreSQL..."
stop_service_using_pid "$POSTGRESQL_PID_FILE"
}
########################
# Execute an arbitrary query/queries against the running PostgreSQL service
# Stdin:
# Query/queries to execute
# Globals:
# BITNAMI_DEBUG
# POSTGRESQL_*
# Arguments:
# $1 - Database where to run the queries
# $2 - User to run queries
# $3 - Password
# $4 - Host
# $5 - Port
# $6 - Extra options (eg. -tA)
# Returns:
# None
postgresql_execute() {
local -r db="${1:-}"
local -r user="${2:-postgres}"
local -r pass="${3:-}"
local -r host="${4:-localhost}"
local -r port="${5:-5432}"
local -r opts="${6:-}"
local args=( "-h" "$host" "-p" "$port" "-U" "$user" )
local cmd=("$POSTGRESQL_BIN_DIR/psql")
[[ -n "$db" ]] && args+=( "-d" "$db" )
[[ -n "$opts" ]] && args+=( "$opts" )
if [[ "${BITNAMI_DEBUG:-false}" = true ]]; then
PGPASSWORD=$pass "${cmd[@]}" "${args[@]}"
elif [[ "${NO_ERRORS:-false}" = true ]]; then
PGPASSWORD=$pass "${cmd[@]}" "${args[@]}" 2>/dev/null
else
PGPASSWORD=$pass "${cmd[@]}" "${args[@]}" >/dev/null 2>&1
fi
}
########################
# Start PostgreSQL and wait until it is ready
# Globals:
# POSTGRESQL_*
# Arguments:
# None
# Returns:
# None
#########################
postgresql_start_bg() {
local -r pg_ctl_flags=("-w" "-D" "$POSTGRESQL_DATA_DIR" "-l" "$POSTGRESQL_LOG_FILE" "-o" "--config-file=$POSTGRESQL_CONF_FILE --external_pid_file=$POSTGRESQL_PID_FILE --hba_file=$POSTGRESQL_PGHBA_FILE")
postgresql_info "Starting PostgreSQL in background..."
is_postgresql_running && return
if [[ "${BITNAMI_DEBUG:-false}" = true ]]; then
"$POSTGRESQL_BIN_DIR"/pg_ctl "start" "${pg_ctl_flags[@]}"
else
"$POSTGRESQL_BIN_DIR"/pg_ctl "start" "${pg_ctl_flags[@]}" >/dev/null 2>&1
fi
local -r pg_isready_args=("-U" "postgres")
local counter=$POSTGRESQL_INIT_MAX_TIMEOUT
while ! "$POSTGRESQL_BIN_DIR"/pg_isready "${pg_isready_args[@]}" >/dev/null 2>&1; do
sleep 1
counter=$((counter - 1 ))
if (( counter <= 0 )); then
postgresql_error "PostgreSQL is not ready after $POSTGRESQL_INIT_MAX_TIMEOUT seconds"
exit 1
fi
done
}
########################
# Check if PostgreSQL is running
# Globals:
# POSTGRESQL_*
# Arguments:
# None
# Returns:
# Boolean
#########################
is_postgresql_running() {
local pid
pid="$(get_pid_from_file "$POSTGRESQL_PID_FILE")"
if [[ -z "$pid" ]]; then
false
else
is_service_running "$pid"
fi
}
########################
# Initialize master node database by running initdb
# Globals:
# POSTGRESQL_*
# Arguments:
# None
# Returns:
# Boolean
#########################
postgresql_master_init_db() {
local initdb_args=()
if [[ -n "${POSTGRESQL_INITDB_ARGS[*]}" ]]; then
initdb_args+=("${POSTGRESQL_INITDB_ARGS[@]}")
fi
if [[ -n "$POSTGRESQL_INITDB_WAL_DIR" ]]; then
ensure_dir_exists "$POSTGRESQL_INITDB_WAL_DIR"
am_i_root && chown "$POSTGRESQL_DAEMON_USER:$POSTGRESQL_DAEMON_GROUP" "$POSTGRESQL_INITDB_WAL_DIR"
initdb_args+=("--waldir" "$POSTGRESQL_INITDB_WAL_DIR")
fi
if [[ -n "${initdb_args[*]:-}" ]]; then
postgresql_info "Initializing PostgreSQL with ${initdb_args[*]} extra initdb arguments"
if [[ "${BITNAMI_DEBUG:-false}" = true ]]; then
"$POSTGRESQL_BIN_DIR/initdb" -E UTF8 -D "$POSTGRESQL_DATA_DIR" -U "postgres" "${initdb_args[@]}"
else
"$POSTGRESQL_BIN_DIR/initdb" -E UTF8 -D "$POSTGRESQL_DATA_DIR" -U "postgres" "${initdb_args[@]}" >/dev/null 2>&1
fi
elif [[ "${BITNAMI_DEBUG:-false}" = true ]]; then
"$POSTGRESQL_BIN_DIR/initdb" -E UTF8 -D "$POSTGRESQL_DATA_DIR" -U "postgres"
else
"$POSTGRESQL_BIN_DIR/initdb" -E UTF8 -D "$POSTGRESQL_DATA_DIR" -U "postgres" >/dev/null 2>&1
fi
}
########################
# Initialize slave node by running pg_basebackup
# Globals:
# POSTGRESQL_*
# Arguments:
# None
# Returns:
# Boolean
#########################
postgresql_slave_init_db() {
postgresql_info "Waiting for replication master to accept connections (${POSTGRESQL_INIT_MAX_TIMEOUT} timeout)..."
local -r check_args=("-U" "$POSTGRESQL_REPLICATION_USER" "-h" "$POSTGRESQL_MASTER_HOST" "-p" "$POSTGRESQL_MASTER_PORT_NUMBER" "-d" "postgres")
local -r check_cmd=("$POSTGRESQL_BIN_DIR"/pg_isready)
local ready_counter=$POSTGRESQL_INIT_MAX_TIMEOUT
while ! PGPASSWORD=$POSTGRESQL_REPLICATION_PASSWORD "${check_cmd[@]}" "${check_args[@]}";do
sleep 1
ready_counter=$(( ready_counter - 1 ))
if (( ready_counter <= 0 )); then
postgresql_error "PostgreSQL master is not ready after $POSTGRESQL_INIT_MAX_TIMEOUT seconds"
exit 1
fi
done
postgresql_info "Replicating the initial database"
local -r backup_args=("-D" "$POSTGRESQL_DATA_DIR" "-U" "$POSTGRESQL_REPLICATION_USER" "-h" "$POSTGRESQL_MASTER_HOST" "-p" "$POSTGRESQL_MASTER_PORT_NUMBER" "-X" "stream" "-w" "-v" "-P")
local -r backup_cmd=("$POSTGRESQL_BIN_DIR"/pg_basebackup)
local replication_counter=$POSTGRESQL_INIT_MAX_TIMEOUT
while ! PGPASSWORD=$POSTGRESQL_REPLICATION_PASSWORD "${backup_cmd[@]}" "${backup_args[@]}";do
postgresql_debug "Backup command failed. Sleeping and trying again"
sleep 1
replication_counter=$(( replication_counter - 1 ))
if (( replication_counter <= 0 )); then
postgresql_error "Slave replication failed after trying for $POSTGRESQL_INIT_MAX_TIMEOUT seconds"
exit 1
fi
done
chmod 0700 "$POSTGRESQL_DATA_DIR"
}
########################
# Create recovery.conf in slave node
# Globals:
# POSTGRESQL_*
# Arguments:
# None
# Returns:
# Boolean
#########################
postgresql_configure_recovery() {
postgresql_info "Setting up streaming replication slave..."
cp -f "$POSTGRESQL_BASE_DIR/share/recovery.conf.sample" "$POSTGRESQL_RECOVERY_FILE"
chmod 600 "$POSTGRESQL_RECOVERY_FILE"
postgresql_set_property "standby_mode" "on" "$POSTGRESQL_RECOVERY_FILE"
postgresql_set_property "primary_conninfo" "host=${POSTGRESQL_MASTER_HOST} port=${POSTGRESQL_MASTER_PORT_NUMBER} user=${POSTGRESQL_REPLICATION_USER} password=${POSTGRESQL_REPLICATION_PASSWORD} application_name=${POSTGRESQL_CLUSTER_APP_NAME}" "$POSTGRESQL_RECOVERY_FILE"
postgresql_set_property "trigger_file" "/tmp/postgresql.trigger.${POSTGRESQL_MASTER_PORT_NUMBER}" "$POSTGRESQL_RECOVERY_FILE"
}

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@ -0,0 +1,614 @@
#!/bin/bash
#
# Bitnami Postgresql Repmgr library
# shellcheck disable=SC1090
# shellcheck disable=SC1091
# Load Generic Libraries
. /liblog.sh
. /libfs.sh
. /libos.sh
. /libvalidations.sh
########################
# Overwrite info, debug, warn and error functions (liblog.sh)
########################
repmgr_info() {
MODULE=repmgr info "${*}"
}
repmgr_debug() {
MODULE=repmgr debug "${*}"
}
repmgr_warn() {
MODULE=repmgr warn "${*}"
}
repmgr_error() {
MODULE=repmgr error "${*}"
}
########################
# Loads global variables used on repmgr configuration.
# Globals:
# REPMGR_*
# Arguments:
# None
# Returns:
# Series of exports to be used as 'eval' arguments
#########################
repmgr_env() {
cat <<"EOF"
# Paths
export REPMGR_BASE_DIR="/opt/bitnami/repmgr"
export REPMGR_CONF_DIR="${REPMGR_BASE_DIR}/conf"
export REPMGR_MOUNTED_CONF_DIR="${REPMGR_MOUNTED_CONF_DIR:-/bitnami/repmgr/conf}"
export REPMGR_TMP_DIR="${REPMGR_BASE_DIR}/tmp"
export REPMGR_EVENTS_DIR="${REPMGR_BASE_DIR}/events"
export REPMGR_PRIMARY_ROLE_LOCK_FILE_NAME="${REPMGR_TMP_DIR}/master.lock"
export REPMGR_STANDBY_ROLE_LOCK_FILE_NAME="${REPMGR_TMP_DIR}/standby.lock"
export REPMGR_BIN_DIR="${REPMGR_BASE_DIR}/bin"
export REPMGR_CONF_FILE="${REPMGR_CONF_DIR}/repmgr.conf"
export REPMGR_PID_FILE="${REPMGR_TMP_DIR}/repmgr.pid"
export PATH="${REPMGR_BIN_DIR}:$PATH"
# Settings
export REPMGR_NODE_ID="${REPMGR_NODE_ID:-}"
export REPMGR_NODE_NAME="${REPMGR_NODE_NAME:-$(hostname)}"
export REPMGR_NODE_NETWORK_NAME="${REPMGR_NODE_NETWORK_NAME:-}"
export REPMGR_NODE_PRIORITY="${REPMGR_NODE_PRIORITY:-100}"
export REPMGR_PORT_NUMBER="${REPMGR_PORT_NUMBER:-5432}"
export REPMGR_LOG_LEVEL="${REPMGR_LOG_LEVEL:-NOTICE}"
export REPMGR_START_OPTIONS="${REPMGR_START_OPTIONS:-}"
export REPMGR_CONNECT_TIMEOUT="${REPMGR_CONNECT_TIMEOUT:-5}"
export REPMGR_RECONNECT_ATTEMPTS="${REPMGR_RECONNECT_ATTEMPTS:-3}"
export REPMGR_RECONNECT_INTERVAL="${REPMGR_RECONNECT_INTERVAL:-5}"
export REPMGR_PARTNER_NODES="${REPMGR_PARTNER_NODES:-}"
export REPMGR_PRIMARY_HOST="${REPMGR_PRIMARY_HOST:-}"
export REPMGR_PRIMARY_PORT="${REPMGR_PRIMARY_PORT:-5432}"
export REPMGR_USE_REPLICATION_SLOTS="${REPMGR_USE_REPLICATION_SLOTS:-1}"
export REPMGR_STANDBY_ROLE_LOCK_FILE_NAME="${REPMGR_TMP_DIR}/standby.lock"
export REPMGR_MASTER_RESPONSE_TIMEOUT="${REPMGR_MASTER_RESPONSE_TIMEOUT:-20}"
export REPMGR_DEGRADED_MONITORING_TIMEOUT="${REPMGR_DEGRADED_MONITORING_TIMEOUT:-5}"
# These are internal
export REPMGR_SWITCH_ROLE="${REPMGR_SWITCH_ROLE:-no}"
export REPMGR_CURRENT_PRIMARY_HOST=""
# Aliases to setup PostgreSQL environment variables
export PGCONNECT_TIMEOUT="${PGCONNECT_TIMEOUT:-10}"
# Credentials
export REPMGR_USERNAME="${REPMGR_USERNAME:-repmgr}"
export REPMGR_DATABASE="${REPMGR_DATABASE:-repmgr}"
EOF
if [[ -f "${REPMGR_PASSWORD_FILE:-}" ]]; then
cat <<"EOF"
export REPMGR_PASSWORD="$(< "${REPMGR_PASSWORD_FILE}")"
EOF
else
cat <<"EOF"
export REPMGR_PASSWORD="${REPMGR_PASSWORD:-}"
EOF
fi
}
########################
# Get repmgr node id
# Globals:
# REPMGR_*
# Arguments:
# None
# Returns:
# String
#########################
repmgr_get_node_id() {
local num
if [[ "$REPMGR_NODE_ID" != "" ]]; then
echo "$REPMGR_NODE_ID"
else
num="${REPMGR_NODE_NAME##*-}"
if [[ "$num" != "" ]]; then
num=$((num+1000))
echo "$num"
fi
fi
}
########################
# Validate settings in REPMGR_* env. variables
# Globals:
# REPMGR_*
# Arguments:
# None
# Returns:
# None
#########################
repmgr_validate() {
repmgr_info "Validating settings in REPMGR_* env vars..."
local error_code=0
# Auxiliary functions
print_validation_error() {
repmgr_error "$1"
error_code=1
}
if [[ -z "$REPMGR_PARTNER_NODES" ]]; then
print_validation_error "The list of partner nodes cannot be empty. Set the environment variable REPMGR_PARTNER_NODES with a comma separated list of partner nodes."
fi
if [[ -z "$REPMGR_PRIMARY_HOST" ]]; then
print_validation_error "The initial primary host is required. Set the environment variable REPMGR_PRIMARY_HOST with the initial primary host."
fi
if [[ -z "$REPMGR_NODE_NAME" ]]; then
print_validation_error "The node name is required. Set the environment variable REPMGR_NODE_NAME with the node name."
elif [[ ! "$REPMGR_NODE_NAME" =~ ^.*+-[0-9]+$ ]]; then
print_validation_error "The node name does not follow the required format. Valid format: ^.*+-[0-9]+$"
fi
if [[ -z "$(repmgr_get_node_id)" ]]; then
print_validation_error "The node id is required. Set the environment variable REPMGR_NODE_ID with the node id."
fi
if [[ -z "$REPMGR_NODE_NETWORK_NAME" ]]; then
print_validation_error "The node network name is required. Set the environment variable REPMGR_NODE_NETWORK_NAME with the node network name."
fi
# Credentials validations
if [[ -z "$REPMGR_USERNAME" ]] || [[ -z "$REPMGR_PASSWORD" ]]; then
print_validation_error "The repmgr credentials are mandatory. Set the environment variables REPMGR_USERNAME and REPMGR_PASSWORD with the repmgr credentials."
fi
[[ "$error_code" -eq 0 ]] || exit "$error_code"
}
########################
# Ask partner nodes which node is the primary
# Globals:
# REPMGR_*
# Arguments:
# Non
# Returns:
# String
#########################
repmgr_get_upstream_node() {
local primary_conninfo
local pretending_primary=""
if [[ -n "$REPMGR_PARTNER_NODES" ]]; then
repmgr_info "Querying all partner nodes for common upstream node..."
read -r -a nodes <<< "$(tr ',;' ' ' <<< "${REPMGR_PARTNER_NODES}")"
for node in "${nodes[@]}"; do
repmgr_debug "Checking node $node..."
local query="SELECT conninfo FROM repmgr.show_nodes WHERE (upstream_node_name IS NULL OR upstream_node_name = '') AND active=true"
if ! primary_conninfo="$(echo "$query" | NO_ERRORS=true postgresql_execute "$REPMGR_DATABASE" "$REPMGR_USERNAME" "$REPMGR_PASSWORD" "$node" "$REPMGR_PRIMARY_PORT" "-tA")"; then
repmgr_debug "Skipping: failed to get primary from the node $node!"
continue
elif [[ -z "$primary_conninfo" ]]; then
repmgr_debug "Skipping: failed to get information about primary nodes!"
continue
elif [[ "$(echo "$primary_conninfo" | wc -l)" -eq 1 ]]; then
local -r suggested_primary="$(echo "$primary_conninfo" | awk -F 'host=' '{print $2}' | awk '{print $1}')"
repmgr_debug "Pretending primary role node - ${suggested_primary}"
if [[ -n "$pretending_primary" ]]; then
if [[ "${pretending_primary}" != "${suggested_primary}" ]]; then
repmgr_warn "Conflict of pretending primary role nodes (previously: $pretending_primary, now: $suggested_primary)"
pretending_primary="" && break
fi
else
repmgr_debug "Pretending primary set to $suggested_primary!"
pretending_primary="$suggested_primary"
fi
else
repmgr_warn "There were more than one primary when getting primary from node $node"
pretending_primary="" && break
fi
done
fi
echo "$pretending_primary"
}
########################
# Gets the node that is currently set as primary node
# Globals:
# REPMGR_*
# Arguments:
# None
# Returns:
# String
#########################
repmgr_get_primary_node() {
local upstream_node
local primary_node=""
upstream_node="$(repmgr_get_upstream_node)"
[[ -n "$upstream_node" ]] && repmgr_info "Auto-detected primary node: '$upstream_node'"
if [[ -f "$REPMGR_PRIMARY_ROLE_LOCK_FILE_NAME" ]]; then
repmgr_info "This node was acting as a primary before restart!"
if [[ -z "$upstream_node" ]] || [[ "$upstream_node" = "$REPMGR_NODE_NETWORK_NAME" ]]; then
repmgr_info "Can not find new primary. Starting PostgreSQL normally..."
else
repmgr_info "Current master is $upstream_node. Cloning/rewinding it and acting as a standby node..."
rm -f "$REPMGR_PRIMARY_ROLE_LOCK_FILE_NAME"
export REPMGR_SWITCH_ROLE="yes"
primary_node="$upstream_node"
fi
else
if [[ -z "$upstream_node" ]]; then
[[ "$REPMGR_PRIMARY_HOST" != "$REPMGR_NODE_NETWORK_NAME" ]] && primary_node="$REPMGR_PRIMARY_HOST"
else
primary_node="$upstream_node"
fi
fi
[[ -n "$primary_node" ]] && repmgr_debug "Primary node: $primary_node"
echo "$primary_node"
}
########################
# Generates env vars for the node
# Globals:
# REPMGR_*
# Arguments:
# None
# Returns:
# Series of exports to be used as 'eval' arguments
#########################
repmgr_set_role() {
local role="standby"
local primary_node
primary_node="$(repmgr_get_primary_node)"
if [[ -z "$primary_node" ]]; then
repmgr_info "There are no nodes with primary role. Assuming the primary role..."
role="primary"
fi
cat <<EOF
export REPMGR_ROLE="$role"
export REPMGR_CURRENT_PRIMARY_HOST="$primary_node"
EOF
}
########################
# Change a Repmgr configuration file by setting a property
# Globals:
# REPMGR_*
# Arguments:
# $1 - property
# $2 - value
# $3 - Path to configuration file (default: $REPMGR_CONF_FILE)
# Returns:
# None
#########################
repmgr_set_property() {
local -r property="${1:?missing property}"
local -r value="${2:-}"
local -r conf_file="${3:-$REPMGR_CONF_FILE}"
sed -i "s?^#*\s*${property}\s*=.*?${property} = '${value}'?g" "$conf_file"
}
########################
# Create the repmgr user (with )
# Globals:
# REPMGR_*
# POSTGRESQL_*
# Arguments:
# None
# Returns:
# None
#########################
repmgr_create_repmgr_user() {
local postgres_password="$POSTGRESQL_PASSWORD"
local -r escaped_password="${REPMGR_PASSWORD//\'/\'\'}"
repmgr_info "Creating repmgr user: $REPMGR_USERNAME"
[[ "$POSTGRESQL_USERNAME" != "postgres" ]] && [[ -n "$POSTGRESQL_POSTGRES_PASSWORD" ]] && postgres_password="$POSTGRESQL_POSTGRES_PASSWORD"
# The repmgr user is created as superuser for simplicity (ref: https://repmgr.org/docs/4.3/quickstart-repmgr-user-database.html)
echo "CREATE ROLE \"${REPMGR_USERNAME}\" WITH LOGIN CREATEDB PASSWORD '${escaped_password}';" | postgresql_execute "" "postgres" "$postgres_password"
echo "ALTER USER ${REPMGR_USERNAME} WITH SUPERUSER;" | postgresql_execute "" "postgres" "$postgres_password"
# set the repmgr user's search path to include the 'repmgr' schema name (ref: https://repmgr.org/docs/4.3/quickstart-repmgr-user-database.html)
echo "ALTER USER ${REPMGR_USERNAME} SET search_path TO repmgr, \"\$user\", public;" | postgresql_execute "" "postgres" "$postgres_password"
}
########################
# Creates the repmgr database
# Globals:
# REPMGR_*
# POSTGRESQL_*
# Arguments:
# None
# Returns:
# None
#########################
repmgr_create_repmgr_db() {
local postgres_password="$POSTGRESQL_PASSWORD"
repmgr_info "Creating repmgr database: $REPMGR_DATABASE"
[[ "$POSTGRESQL_USERNAME" != "postgres" ]] && [[ -n "$POSTGRESQL_POSTGRES_PASSWORD" ]] && postgres_password="$POSTGRESQL_POSTGRES_PASSWORD"
echo "CREATE DATABASE $REPMGR_DATABASE;" | postgresql_execute "" "postgres" "$postgres_password"
}
########################
# Use a different PostgreSQL configuration file by pretending it's an injected custom configuration
# Globals:
# POSTGRESQL_MOUNTED_CONF_DIR
# Arguments:
# None
# Returns:
# None
#########################
repmgr_inject_postgresql_configuration() {
repmgr_debug "Injecting a new postgresql.conf file..."
postgresql_create_config
# ref: https://repmgr.org/docs/4.3/quickstart-postgresql-configuration.html
postgresql_set_property "shared_preload_libraries" "repmgr"
postgresql_set_property "max_wal_senders" "10"
postgresql_set_property "max_replication_slots" "10"
postgresql_set_property "wal_level" "hot_standby"
postgresql_set_property "archive_mode" "on"
postgresql_set_property "hot_standby" "on"
postgresql_set_property "archive_command" "/bin/true"
# Redirect logs to POSTGRESQL_LOG_FILE
postgresql_set_property "logging_collector" "on"
postgresql_set_property "log_directory" "$POSTGRESQL_LOG_DIR"
postgresql_set_property "log_filename" "postgresql.log"
cp "$POSTGRESQL_CONF_FILE" "${POSTGRESQL_MOUNTED_CONF_DIR}/postgresql.conf"
}
########################
# Use a different pg_hba.conf file by pretending it's an injected custom configuration\
# Globals:
# POSTGRESQL_MOUNTED_CONF_DIR
# REPMGR_*
# Arguments:
# None
# Returns:
# None
#########################
repmgr_inject_pghba_configuration() {
repmgr_debug "Injecting a new pg_hba.conf file..."
cat > "${POSTGRESQL_MOUNTED_CONF_DIR}/pg_hba.conf" << EOF
host all $REPMGR_USERNAME 0.0.0.0/0 trust
host $REPMGR_DATABASE $REPMGR_USERNAME 0.0.0.0/0 trust
host replication $REPMGR_USERNAME 0.0.0.0/0 trust
host all all 0.0.0.0/0 trust
host all all ::1/128 trust
local all all trust
EOF
}
########################
# Prepare PostgreSQL default configuration
# Globals:
# POSTGRESQL_MOUNTED_CONF_DIR
# REPMGR_MOUNTED_CONF_DIR
# Arguments:
# None
# Returns:
# None
#########################
repmgr_postgresql_configuration() {
repmgr_info "Preparing PostgreSQL configuration..."
# User injected custom configuration
if [[ -d "$REPMGR_MOUNTED_CONF_DIR" ]] && compgen -G "$REPMGR_MOUNTED_CONF_DIR"/* > /dev/null; then
repmgr_debug "User injected custom configuration detected!"
fi
ensure_dir_exists "$POSTGRESQL_MOUNTED_CONF_DIR"
if [[ -f "${REPMGR_MOUNTED_CONF_DIR}/postgresql.conf" ]]; then
cp "${REPMGR_MOUNTED_CONF_DIR}/postgresql.conf" "${POSTGRESQL_MOUNTED_CONF_DIR}/postgresql.conf"
else
repmgr_inject_postgresql_configuration
fi
if [[ -f "${REPMGR_MOUNTED_CONF_DIR}/pg_hba.conf" ]]; then
cp "${REPMGR_MOUNTED_CONF_DIR}/pg_hba.conf" "${POSTGRESQL_MOUNTED_CONF_DIR}/pg_hba.conf"
else
repmgr_inject_pghba_configuration
fi
}
########################
# Generates repmgr config files
# Globals:
# REPMGR_*
# POSTGRESQL_*
# Arguments:
# None
# Returns:
# None
#########################
repmgr_generate_repmgr_config() {
repmgr_info "Preparing repmgr configuration..."
if [[ -f "${REPMGR_MOUNTED_CONF_DIR}/repmgr.conf" ]]; then
repmgr_info "Custom repmgr.conf file detected"
cp "${REPMGR_MOUNTED_CONF_DIR}/repmgr.conf" "$REPMGR_CONF_FILE"
else
cat << EOF >> "$REPMGR_CONF_FILE"
event_notification_command='${REPMGR_EVENTS_DIR}/router.sh %n %e %s "%t" "%d"'
ssh_options=-o \"StrictHostKeyChecking no\" -v
use_replication_slots=$REPMGR_USE_REPLICATION_SLOTS
pg_bindir=$POSTGRESQL_BIN_DIR
# FIXME: these 2 parameter should work
node_id=$(repmgr_get_node_id)
node_name=$REPMGR_NODE_NAME
conninfo='user=$REPMGR_USERNAME password=$REPMGR_PASSWORD host=$REPMGR_NODE_NETWORK_NAME dbname=$REPMGR_DATABASE port=$REPMGR_PRIMARY_PORT connect_timeout=$REPMGR_CONNECT_TIMEOUT'
failover=automatic
promote_command='PGPASSWORD=$REPMGR_PASSWORD repmgr standby promote -f "$REPMGR_CONF_FILE" --log-level DEBUG --verbose'
follow_command='PGPASSWORD=$REPMGR_PASSWORD repmgr standby follow -f "$REPMGR_CONF_FILE" -W --log-level DEBUG --verbose'
reconnect_attempts=$REPMGR_RECONNECT_ATTEMPTS
reconnect_interval=$REPMGR_RECONNECT_INTERVAL
log_level=$REPMGR_LOG_LEVEL
priority=$REPMGR_NODE_PRIORITY
degraded_monitoring_timeout=$REPMGR_DEGRADED_MONITORING_TIMEOUT
data_directory=$POSTGRESQL_DATA_DIR
async_query_timeout=$REPMGR_MASTER_RESPONSE_TIMEOUT
EOF
fi
}
########################
# Waits until the primary node responds
# Globals:
# REPMGR_*
# Arguments:
# None
# Returns:
# None
#########################
repmgr_wait_primary_node() {
local return_value=1
local -i timeout=60
local -i step=10
local -i max_tries=$(( timeout / step ))
local schemata
repmgr_info "Waiting for primary node..."
repmgr_debug "Wait for schema $REPMGR_DATABASE.repmgr on $REPMGR_CURRENT_PRIMARY_HOST:$REPMGR_PRIMARY_PORT, will try $max_tries times with $step delay seconds (TIMEOUT=$timeout)"
for ((i = 0 ; i <= timeout ; i+=step )); do
local query="SELECT 1 FROM information_schema.schemata WHERE catalog_name='$REPMGR_DATABASE' AND schema_name='repmgr'"
if ! schemata="$(echo "$query" | NO_ERRORS=true postgresql_execute "$REPMGR_DATABASE" "$REPMGR_USERNAME" "$REPMGR_PASSWORD" "$REPMGR_CURRENT_PRIMARY_HOST" "$REPMGR_PRIMARY_PORT" "-tA")"; then
repmgr_debug "Host $REPMGR_CURRENT_PRIMARY_HOST:$REPMGR_PRIMARY_PORT is not accessible"
else
if [[ $schemata -ne 1 ]]; then
repmgr_debug "Schema $REPMGR_DATABASE.repmgr is still not accessible"
else
repmgr_debug "Schema $REPMGR_DATABASE.repmgr exists!"
return_value=0 && break
fi
fi
sleep "$step"
done
return $return_value
}
########################
# Clones data from primary node
# Globals:
# REPMGR_*
# POSTGRESQL_*
# Arguments:
# None
# Returns:
# None
#########################
repmgr_clone_primary() {
repmgr_info "Cloning data from primary node..."
local -r flags=("-h" "$REPMGR_CURRENT_PRIMARY_HOST" "-p" "$REPMGR_PRIMARY_PORT" "-U" "$REPMGR_USERNAME" "-d" "$REPMGR_DATABASE" "-D" "$POSTGRESQL_DATA_DIR" "standby" "clone" "--fast-checkpoint" "--force")
PGPASSWORD="$REPMGR_PASSWORD" debug_execute "${REPMGR_BIN_DIR}/repmgr" "${flags[@]}"
}
########################
# Rejoin node
# Globals:
# REPMGR_*
# Arguments:
# None
# Returns:
# None
#########################
repmgr_rewind() {
repmgr_info "Rejoining node..."
repmgr_debug "Deleting old data..."
rm -rf "$POSTGRESQL_DATA_DIR" && ensure_dir_exists "$POSTGRESQL_DATA_DIR"
repmgr_debug "Cloning data from primary node..."
repmgr_clone_primary
}
########################
# Register a node as primary
# Globals:
# REPMGR_*
# Arguments:
# None
# Returns:
# None
#########################
repmgr_register_primary() {
repmgr_info "Registering Primary..."
local -r flags=("-f" "$REPMGR_CONF_FILE" "master" "register" "--force")
debug_execute "${REPMGR_BIN_DIR}/repmgr" "${flags[@]}"
}
########################
# Unregister secondary node
# Globals:
# REPMGR_*
# Arguments:
# None
# Returns:
# None
#########################
repmgr_unregister_standby() {
repmgr_info "Unregistering secondary node..."
echo "DELETE FROM repmgr.nodes WHERE conninfo LIKE '%host=$REPMGR_NODE_NETWORK_NAME%'" | postgresql_execute "$REPMGR_DATABASE" "$REPMGR_USERNAME" "$REPMGR_PASSWORD" "$REPMGR_CURRENT_PRIMARY_HOST" "$REPMGR_PRIMARY_PORT"
}
########################
# Resgister a node as secondary
# Globals:
# REPMGR_*
# Arguments:
# None
# Returns:
# None
#########################
repmgr_register_standby() {
repmgr_info "Registering Standby node..."
local -r flags=("-f" "$REPMGR_CONF_FILE" "standby" "register" "--force")
debug_execute "${REPMGR_BIN_DIR}/repmgr" "${flags[@]}"
}
########################
# Initialize repmgr service
# Globals:
# REPMGR_*
# Arguments:
# None
# Returns:
# None
#########################
repmgr_initialize() {
repmgr_debug "Node ID: $(repmgr_get_node_id), Rol: $REPMGR_ROLE, Primary Node: $REPMGR_CURRENT_PRIMARY_HOST"
repmgr_info "Initializing Repmgr..."
if [[ "$REPMGR_ROLE" = "standby" ]]; then
repmgr_wait_primary_node || exit 1
# TODO: better way to detect it's a 1st boot
if [[ ! -f "$POSTGRESQL_CONF_FILE" ]] || ! is_boolean_yes "$REPMGR_SWITCH_ROLE"; then
repmgr_clone_primary
else
repmgr_rewind
fi
fi
postgresql_initialize
# Allow remote connections, required to register primary and standby nodes
postgresql_enable_remote_connections
# Configure port and restrict access to PostgreSQL (MD5)
postgresql_set_property "port" "$POSTGRESQL_PORT_NUMBER"
postgresql_restrict_pghba
if [[ "$REPMGR_ROLE" = "primary" ]]; then
repmgr_create_repmgr_user
repmgr_create_repmgr_db
# Restart PostgreSQL
postgresql_stop
postgresql_start_bg
repmgr_register_primary
# Allow running custom initialization scripts
postgresql_custom_init_scripts
else
postgresql_start_bg
repmgr_unregister_standby
repmgr_register_standby
fi
}

View File

@ -0,0 +1,25 @@
#!/bin/bash
# shellcheck disable=SC1091
# Load libraries
. /libfs.sh
. /libpostgresql.sh
. /librepmgr.sh
# Load PostgreSQL & repmgr environment variables
eval "$(repmgr_env)"
eval "$(postgresql_env)"
for dir in "$POSTGRESQL_INITSCRIPTS_DIR" "$POSTGRESQL_TMP_DIR" "$POSTGRESQL_LOG_DIR" "$POSTGRESQL_CONF_DIR" "${POSTGRESQL_CONF_DIR}/conf.d" "$POSTGRESQL_VOLUME_DIR" "$REPMGR_CONF_DIR" "$REPMGR_TMP_DIR"; do
ensure_dir_exists "$dir"
chmod -R g+rwX "$dir"
done
# Copying events handlers
mv /events "$REPMGR_EVENTS_DIR"
chmod +x "$REPMGR_EVENTS_DIR"/router.sh "$REPMGR_EVENTS_DIR"/execs/*sh "$REPMGR_EVENTS_DIR"/execs/includes/*sh
# Redirect all logging to stdout
ln -sf /dev/stdout "$POSTGRESQL_LOG_FILE"

View File

@ -0,0 +1,28 @@
#!/bin/bash
set -o errexit
set -o nounset
set -o pipefail
# set -o xtrace # Uncomment this line for debugging purpose
# shellcheck disable=SC1091
# Load libraries
. /liblog.sh
. /libpostgresql.sh
. /librepmgr.sh
# Load PostgreSQL & repmgr environment variables
eval "$(repmgr_env)"
eval "$(postgresql_env)"
readonly repmgr_flags=("--pid-file=$REPMGR_PID_FILE" "-f" "$REPMGR_CONF_FILE" "--daemonize=false")
readonly repmgr_cmd=$(command -v repmgrd)
postgresql_start_bg
info "** Starting repmgrd **"
# TODO: properly test running the container as root
if am_i_root; then
exec gosu "$POSTGRESQL_DAEMON_USER" "${repmgr_cmd}" "${repmgr_flags[@]}"
else
exec "${repmgr_cmd}" "${repmgr_flags[@]}"
fi

View File

@ -0,0 +1,37 @@
#!/bin/bash
#
# Bitnami PostgreSQL setup
set -o errexit
set -o nounset
set -o pipefail
#set -o xtrace
# shellcheck disable=SC1090
# shellcheck disable=SC1091
# Load Libraries
. /libpostgresql.sh
. /librepmgr.sh
# Load PostgreSQL & repmgr environment variables
eval "$(repmgr_env)"
eval "$(postgresql_env)"
# Ensure PostgreSQL & repmgr environment variables settings are valid
repmgr_validate
postgresql_validate
# Set the environment variables for the node's role
eval "$(repmgr_set_role)"
# Ensure PostgreSQL is stopped when this script ends.
trap "postgresql_stop" EXIT
# Ensure 'daemon' user exists when running as 'root'
am_i_root && ensure_user_exists "$POSTGRESQL_DAEMON_USER" "$POSTGRESQL_DAEMON_GROUP"
# Prepare PostgreSQL default configuration
repmgr_postgresql_configuration
# Prepare repmgr configuration
repmgr_generate_repmgr_config
# Initialize PostgreSQL & repmgr
repmgr_initialize

View File

@ -43,9 +43,15 @@ Bitnami containers can be used with [Kubeapps](https://kubeapps.com/) for deploy
Learn more about the Bitnami tagging policy and the difference between rolling tags and immutable tags [in our documentation page](https://docs.bitnami.com/containers/how-to/understand-rolling-tags-containers/).
* [`4-ol-7`, `4.0.3-ol-7-r40` (4/ol-7/Dockerfile)](https://github.com/bitnami/bitnami-docker-postgresql-repmgr/blob/4.0.3-ol-7-r40/4/ol-7/Dockerfile)
* [`4-debian-9`, `4.0.3-debian-9-r40`, `4`, `4.0.3`, `4.0.3-r40`, `latest` (4/debian-9/Dockerfile)](https://github.com/bitnami/bitnami-docker-postgresql-repmgr/blob/4.0.3-debian-9-r40/4/debian-9/Dockerfile)
* [`4-centos-7`, `4.0.3-centos-7-r42` (4/centos-7/Dockerfile)](https://github.com/bitnami/bitnami-docker-postgresql-repmgr/blob/4.0.3-centos-7-r42/4/centos-7/Dockerfile)
* [`11-centos-7`, `11.5.0-centos-7-r0` (11/centos-7/Dockerfile)](https://github.com/bitnami/bitnami-docker-postgresql-repmgr/blob/11.5.0-centos-7-r0/11/centos-7/Dockerfile)
* [`10-debian-9`, `10.10.0-debian-9-r0`, `10`, `10.10.0`, `10.10.0-r0` (10/debian-9/Dockerfile)](https://github.com/bitnami/bitnami-docker-postgresql-repmgr/blob/10.10.0-debian-9-r0/10/debian-9/Dockerfile)
* [`9.6-debian-9`, `-debian-9-r0`, `9.6`, ``, `-r0` (9.6/debian-9/Dockerfile)](https://github.com/bitnami/bitnami-docker-postgresql-repmgr/blob/-debian-9-r0/9.6/debian-9/Dockerfile)
* [`11-debian-9`, `-debian-9-r0`, `11`, ``, `-r0`, `latest` (11/debian-9/Dockerfile)](https://github.com/bitnami/bitnami-docker-postgresql-repmgr/blob/-debian-9-r0/11/debian-9/Dockerfile)
* [`10-ol-7`, `-ol-7-r0` (10/ol-7/Dockerfile)](https://github.com/bitnami/bitnami-docker-postgresql-repmgr/blob/-ol-7-r0/10/ol-7/Dockerfile)
* [`11-ol-7`, `-ol-7-r0` (11/ol-7/Dockerfile)](https://github.com/bitnami/bitnami-docker-postgresql-repmgr/blob/-ol-7-r0/11/ol-7/Dockerfile)
* [`9.6-ol-7`, `-ol-7-r0` (9.6/ol-7/Dockerfile)](https://github.com/bitnami/bitnami-docker-postgresql-repmgr/blob/-ol-7-r0/9.6/ol-7/Dockerfile)
* [`9.6-centos-7`, `-centos-7-r0` (9.6/centos-7/Dockerfile)](https://github.com/bitnami/bitnami-docker-postgresql-repmgr/blob/-centos-7-r0/9.6/centos-7/Dockerfile)
* [`10-centos-7`, `-centos-7-r0` (10/centos-7/Dockerfile)](https://github.com/bitnami/bitnami-docker-postgresql-repmgr/blob/-centos-7-r0/10/centos-7/Dockerfile)
Subscribe to project updates by watching the [bitnami/postgresql-repmgr GitHub repo](https://github.com/bitnami/bitnami-docker-postgresql-repmgr).
@ -66,7 +72,7 @@ $ docker pull bitnami/postgresql-repmgr:[TAG]
If you wish, you can also build the image yourself.
```bash
$ docker build -t bitnami/postgresql-repmgr:latest 'https://github.com/bitnami/bitnami-docker-postgresql-repmgr.git#master:4/debian-9'
$ docker build -t bitnami/postgresql-repmgr:latest 'https://github.com/bitnami/bitnami-docker-postgresql-repmgr.git#master:11/debian-9'
```
# Persisting your application