From fec29d485b316ffb3f773d98a761e00043b86f9a Mon Sep 17 00:00:00 2001 From: Bernhard Radermacher Date: Fri, 20 Feb 2026 09:50:23 +0100 Subject: [PATCH] build for debs --- Dockerfile | 164 +---------- README.md | 13 + docker-ensure-initdb.sh | 72 ----- docker-entrypoint-initdb.d/00-main.sh | 72 +++-- docker-entrypoint.sh | 382 -------------------------- bashrc => profile | 0 6 files changed, 52 insertions(+), 651 deletions(-) delete mode 100755 docker-ensure-initdb.sh delete mode 100755 docker-entrypoint.sh rename bashrc => profile (100%) diff --git a/Dockerfile b/Dockerfile index 90ae983..40b0ce5 100644 --- a/Dockerfile +++ b/Dockerfile @@ -1,163 +1,13 @@ -FROM debian:trixie-slim +FROM postgres:15 -RUN set -eux; \ - groupadd -r postgres --gid=5432; \ - useradd -r -g postgres --uid=5432 --home-dir=/var/lib/postgresql --shell=/bin/bash postgres; \ - install --verbose --directory --owner postgres --group postgres --mode 1777 /var/lib/postgresql - -RUN set -ex; \ - apt-get update; \ - apt-get install -y --no-install-recommends \ - gnupg \ - less \ - ; \ - rm -rf /var/lib/apt/lists/* - -ENV GOSU_VERSION=1.19 -RUN set -eux; \ - savedAptMark="$(apt-mark showmanual)"; \ - apt-get update; \ - apt-get install -y --no-install-recommends ca-certificates wget; \ - rm -rf /var/lib/apt/lists/*; \ - dpkgArch="$(dpkg --print-architecture | awk -F- '{ print $NF }')"; \ - wget -O /usr/local/bin/gosu "https://github.com/tianon/gosu/releases/download/$GOSU_VERSION/gosu-$dpkgArch"; \ - wget -O /usr/local/bin/gosu.asc "https://github.com/tianon/gosu/releases/download/$GOSU_VERSION/gosu-$dpkgArch.asc"; \ - export GNUPGHOME="$(mktemp -d)"; \ - gpg --batch --keyserver hkps://keys.openpgp.org --recv-keys B42F6819007F00F88E364FD4036A9C25BF357DD4; \ - gpg --batch --verify /usr/local/bin/gosu.asc /usr/local/bin/gosu; \ - gpgconf --kill all; \ - rm -rf "$GNUPGHOME" /usr/local/bin/gosu.asc; \ - apt-mark auto '.*' > /dev/null; \ - [ -z "$savedAptMark" ] || apt-mark manual $savedAptMark > /dev/null; \ - apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false; \ - chmod +x /usr/local/bin/gosu; \ - gosu --version; \ - gosu nobody true - -RUN set -eux; \ - if [ -f /etc/dpkg/dpkg.cfg.d/docker ]; then \ - grep -q '/usr/share/locale' /etc/dpkg/dpkg.cfg.d/docker; \ - sed -ri '/\/usr\/share\/locale/d' /etc/dpkg/dpkg.cfg.d/docker; \ - ! grep -q '/usr/share/locale' /etc/dpkg/dpkg.cfg.d/docker; \ - fi; \ - apt-get update; apt-get install -y --no-install-recommends locales; rm -rf /var/lib/apt/lists/*; \ - echo 'en_US.UTF-8 UTF-8' >> /etc/locale.gen; \ - locale-gen; \ - locale -a | grep 'en_US.utf8' -ENV LANG=en_US.utf8 - -RUN set -eux; \ - apt-get update; \ - apt-get install -y --no-install-recommends \ - libnss-wrapper \ - xz-utils \ - zstd \ - ; \ - rm -rf /var/lib/apt/lists/* - -RUN mkdir /docker-entrypoint-initdb.d - -RUN set -ex; \ - key='B97B0AFCAA1A47F044F244A07FCC7D46ACCC4CF8'; \ - export GNUPGHOME="$(mktemp -d)"; \ - mkdir -p /usr/local/share/keyrings/; \ - gpg --batch --keyserver keyserver.ubuntu.com --recv-keys "$key"; \ - gpg --batch --export --armor "$key" > /usr/local/share/keyrings/postgres.gpg.asc; \ - gpgconf --kill all; \ - rm -rf "$GNUPGHOME" - -ENV PG_MAJOR=15 -ENV PATH=$PATH:/usr/lib/postgresql/$PG_MAJOR/bin -ENV PG_VERSION=15.16-1.pgdg13+1 -RUN set -ex; \ - export PYTHONDONTWRITEBYTECODE=1; \ - dpkgArch="$(dpkg --print-architecture)"; \ - aptRepo="[ signed-by=/usr/local/share/keyrings/postgres.gpg.asc ] http://apt.postgresql.org/pub/repos/apt trixie-pgdg main $PG_MAJOR"; \ - echo "deb-src $aptRepo" > /etc/apt/sources.list.d/pgdg.list; \ - savedAptMark="$(apt-mark showmanual)"; \ - tempDir="$(mktemp -d)"; \ - cd "$tempDir"; \ - apt-get update; \ - apt-get install -y --no-install-recommends dpkg-dev; \ - echo "deb [ trusted=yes ] file://$tempDir ./" > /etc/apt/sources.list.d/temp.list; \ - _update_repo() { \ - dpkg-scanpackages . > Packages; \ - apt-get -o Acquire::GzipIndexes=false update; \ - }; \ - _update_repo; \ - nproc="$(nproc)"; \ - export DEB_BUILD_OPTIONS="nocheck parallel=$nproc"; \ - apt-get build-dep -y postgresql-common-dev; \ - apt-get source --compile postgresql-common-dev; \ - _update_repo; \ - apt-get build-dep -y "postgresql-$PG_MAJOR=$PG_VERSION"; \ - apt-get source --compile "postgresql-$PG_MAJOR=$PG_VERSION"; \ - apt-mark showmanual | xargs apt-mark auto > /dev/null; \ - apt-mark manual $savedAptMark; \ - ls -lAFh; \ - _update_repo; \ - grep '^Package: ' Packages; \ - cd /; \ - apt-get install -y --no-install-recommends postgresql-common; \ - sed -ri 's/#(create_main_cluster) .*$/\1 = false/' /etc/postgresql-common/createcluster.conf; \ - apt-get install -y --no-install-recommends \ - "postgresql-$PG_MAJOR=$PG_VERSION" \ - "postgresql-server-dev-$PG_MAJOR=$PG_VERSION" \ - ; \ - rm -rf /var/lib/apt/lists/*; \ - apt-get purge -y --auto-remove; \ - rm -rf "$tempDir" /etc/apt/sources.list.d/temp.list; \ - find /usr -name '*.pyc' -type f -exec bash -c 'for pyc; do dpkg -S "$pyc" &> /dev/null || rm -vf "$pyc"; done' -- '{}' +; \ - postgres --version - -RUN set -eux; \ - savedAptMark="$(apt-mark showmanual)"; \ - apt-get update; \ - apt-get install -y --no-install-recommends ca-certificates wget libjson-c-dev libcurlpp-dev; \ - apt-get build-dep -y "postgresql-$PG_MAJOR=$PG_VERSION"; \ - rm -rf /var/lib/apt/lists/*; \ - tempDir="$(mktemp -d)"; \ - nproc="$(nproc)"; \ - cp /usr/include/postgresql/15/server/pg_config.h /usr/include/postgresql/; \ - cd "$tempDir"; \ - wget https://github.com/EnterpriseDB/repmgr/releases/download/v5.5.0/repmgr-5.5.0.tar.gz; \ - echo "c5633c351f3a0627a53ac1828ac7581ee74c7e0c repmgr-5.5.0.tar.gz" | sha1sum --check && \ - tar -xvzf repmgr-5.5.0.tar.gz; \ - cd repmgr-5.5.0; \ - ./configure && make -j "$nproc" install; \ - cd /; \ - rm -rf "$tempDir" \ - apt-mark auto '.*' > /dev/null; \ - [ -z "$savedAptMark" ] || apt-mark manual $savedAptMark > /dev/null; \ - apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false - -RUN set -eux; \ - dpkg-divert --add --rename --divert "/usr/share/postgresql/postgresql.conf.sample.dpkg" "/usr/share/postgresql/$PG_MAJOR/postgresql.conf.sample"; \ - cp -v /usr/share/postgresql/postgresql.conf.sample.dpkg /usr/share/postgresql/postgresql.conf.sample; \ - ln -sv ../postgresql.conf.sample "/usr/share/postgresql/$PG_MAJOR/"; \ - sed -ri "s!^#?(listen_addresses)\s*=\s*\S+.*!\1 = '*'!" /usr/share/postgresql/postgresql.conf.sample; \ - grep -F "listen_addresses = '*'" /usr/share/postgresql/postgresql.conf.sample - -RUN install --verbose --directory --owner postgres --group postgres --mode 3777 /var/run/postgresql - -ENV PGDATA=/var/lib/postgresql/data - -RUN install --verbose --directory --owner postgres --group postgres --mode 1777 "$PGDATA" - -VOLUME /var/lib/postgresql/data - -COPY docker-entrypoint.sh docker-ensure-initdb.sh /usr/local/bin/ - -RUN ln -sT docker-ensure-initdb.sh /usr/local/bin/docker-enforce-initdb.sh +RUN apt-get update && \ + apt-get install -y --no-install-recommends \ + postgresql-$PG_MAJOR-repmgr \ + && \ + rm -rf /var/lib/apt/lists/* RUN touch /etc/repmgr.conf && chmod 666 /etc/repmgr.conf -COPY bashrc /var/lib/postgresql/.bashrc +COPY profile /var/lib/postgresql/.profile COPY docker-entrypoint-initdb.d/* /docker-entrypoint-initdb.d/ -ENTRYPOINT ["docker-entrypoint.sh"] - -STOPSIGNAL SIGINT - -EXPOSE 5432 -CMD ["postgres"] diff --git a/README.md b/README.md index 3837360..dea45e4 100644 --- a/README.md +++ b/README.md @@ -1,2 +1,15 @@ # postgresrepmgr +## Environment Varibles + +| Name | | Description | +|----------------------------|---------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| +| POSTGRES_PASSWORD | **mandatory** | This environment variable is required for you to use the PostgreSQL image. It must not be empty or undefined. This environment variable sets the superuser password for PostgreSQL. | +| POSTGRESQL_PORT | `5432` | | +| POSTGRESQL_MAX_CONNECTIONS | `100` | Set the maximum amount of connections. | +| REPMGR_NODE_ID | **mandatory** | Replication Manager node identifier (int), must be unique within cluster. | +| REPMGR_NODE_NAME | **mandatory** | Replication Manager node name, must be unique within cluster. | +| REPMGR_NODE_LOCATION | **mandatory** | Replication Manager node location, should identify the Availability Zone | +| REPMGR_USERNAME | `repmgr` | Replication manager username | +| REPMGR_DATABASE | `repmgr` | Replication manager database | +| REPMGR_PASSWORD | **mandatory** | Replication manager password | diff --git a/docker-ensure-initdb.sh b/docker-ensure-initdb.sh deleted file mode 100755 index e9b15ef..0000000 --- a/docker-ensure-initdb.sh +++ /dev/null @@ -1,72 +0,0 @@ -#!/usr/bin/env bash -set -Eeuo pipefail - -# -# This script is intended for three main use cases: -# -# 1. (most importantly) as an example of how to use "docker-entrypoint.sh" to extend/reuse the initialization behavior -# -# 2. ("docker-ensure-initdb.sh") as a Kubernetes "init container" to ensure the provided database directory is initialized; see also "startup probes" for an alternative solution -# (no-op if database is already initialized) -# -# 3. ("docker-enforce-initdb.sh") as part of CI to ensure the database is fully initialized before use -# (error if database is already initialized) -# - -source /usr/local/bin/docker-entrypoint.sh - -# arguments to this script are assumed to be arguments to the "postgres" server (same as "docker-entrypoint.sh"), and most "docker-entrypoint.sh" functions assume "postgres" is the first argument (see "_main" over there) -if [ "$#" -eq 0 ] || [ "$1" != 'postgres' ]; then - set -- postgres "$@" -fi - -# see also "_main" in "docker-entrypoint.sh" - -docker_setup_env -# setup data directories and permissions (when run as root) -docker_create_db_directories -if [ "$(id -u)" = '0' ]; then - # then restart script as postgres user - exec gosu postgres "$BASH_SOURCE" "$@" -fi - -# only run initialization on an empty data directory -if [ -z "$DATABASE_ALREADY_EXISTS" ]; then - docker_verify_minimum_env - docker_error_old_databases - - # check dir permissions to reduce likelihood of half-initialized database - ls /docker-entrypoint-initdb.d/ > /dev/null - - docker_init_database_dir - pg_setup_hba_conf "$@" - - # PGPASSWORD is required for psql when authentication is required for 'local' connections via pg_hba.conf and is otherwise harmless - # e.g. when '--auth=md5' or '--auth-local=md5' is used in POSTGRES_INITDB_ARGS - export PGPASSWORD="${PGPASSWORD:-$POSTGRES_PASSWORD}" - docker_temp_server_start "$@" - - docker_setup_db - docker_process_init_files /docker-entrypoint-initdb.d/* - - docker_temp_server_stop - unset PGPASSWORD -else - self="$(basename "$0")" - case "$self" in - docker-ensure-initdb.sh) - echo >&2 "$self: note: database already initialized in '$PGDATA'!" - exit 0 - ;; - - docker-enforce-initdb.sh) - echo >&2 "$self: error: (unexpected) database found in '$PGDATA'!" - exit 1 - ;; - - *) - echo >&2 "$self: error: unknown file name: $self" - exit 99 - ;; - esac -fi diff --git a/docker-entrypoint-initdb.d/00-main.sh b/docker-entrypoint-initdb.d/00-main.sh index c472e0d..3a439e8 100755 --- a/docker-entrypoint-initdb.d/00-main.sh +++ b/docker-entrypoint-initdb.d/00-main.sh @@ -10,55 +10,47 @@ server_start() { -w start } - # the variable UPSTREAM indicates that a standby instance is requested, otherwise this is primary -if [[ -z $UPSTREAM ]]; then +if [[ -z $REPMGR_UPSTREAM ]]; then - psql -c "CREATE USER repmgr WITH SUPERUSER ENCRYPTED PASSWORD '${REPLICATOR_PASSWORD}';" + psql -c "CREATE USER repmgr WITH SUPERUSER ENCRYPTED PASSWORD '${REPMGR_PASSWORD}';" psql -c "CREATE DATABASE repmgr WITH OWNER repmgr;" psql -c 'ALTER USER repmgr SET search_path TO repmgr, "$user", public;' docker_temp_server_stop - # ensure required entries in configuration - # shellcheck disable=SC2129 - # echo "archive_command = 'cp %p ${WAL_ARCHIVE:-/wal_archive}/%f'" >> /var/lib/postgresql/data/postgresql.conf - echo "archive_command = '/bin/true'" >> /var/lib/postgresql/data/postgresql.conf - echo "archive_mode = on" >> /var/lib/postgresql/data/postgresql.conf - echo "hot_standby = on" >> /var/lib/postgresql/data/postgresql.conf - # echo "promote_trigger_file = '/var/lib/postgresql/data/${TRIGGER_FILE:-i_am_primary}'" >> /var/lib/postgresql/data/postgresql.conf - # echo "wal_keep_size = ${WAL_KEEP_SIZE:-1GB}" >> /var/lib/postgresql/data/postgresql.conf - echo "max_wal_senders = 10" >> /var/lib/postgresql/data/postgresql.conf - echo "max_replication_slots = 10" >> /var/lib/postgresql/data/postgresql.conf - # ensure required entries in hba - echo "local all all trust" > /var/lib/postgresql/data/pg_hba.conf - echo "local replication repmgr trust" >> /var/lib/postgresql/data/pg_hba.conf - echo "host replication repmgr 127.0.0.1/32 trust" >> /var/lib/postgresql/data/pg_hba.conf - echo "host replication repmgr 100.64.0.0/10 trust" >> /var/lib/postgresql/data/pg_hba.conf - echo "local repmgr repmgr trust" >> /var/lib/postgresql/data/pg_hba.conf - echo "host repmgr repmgr 127.0.0.1/32 trust" >> /var/lib/postgresql/data/pg_hba.conf - echo "host repmgr repmgr 100.64.0.0/10 trust" >> /var/lib/postgresql/data/pg_hba.conf - echo "host all all all scram-sha-256" >> /var/lib/postgresql/data/pg_hba.conf + echo "archive_command = '/bin/true'" >> /var/lib/postgresql/data/postgresql.conf + echo "archive_mode = on" >> /var/lib/postgresql/data/postgresql.conf + echo "hot_standby = on" >> /var/lib/postgresql/data/postgresql.conf + echo "max_wal_senders = 10" >> /var/lib/postgresql/data/postgresql.conf + echo "max_replication_slots = 10" >> /var/lib/postgresql/data/postgresql.conf - # create user for replication - echo "node_id = 1" >> /etc/repmgr.conf - echo "node_name = pg-0" >> /etc/repmgr.conf - echo "conninfo = 'host=pg-0 dbname=repmgr user=repmgr connect_timeout=2'" >> /etc/repmgr.conf - echo "data_directory = '/var/lib/postgresql/data'" >> /etc/repmgr.conf - echo "use_replication_slots = on" >> /etc/repmgr.conf - echo "pg_bindir = '/usr/lib/postgresql/15/bin/'" >> /etc/repmgr.conf + echo "local all all trust" > /var/lib/postgresql/data/pg_hba.conf + echo "local replication repmgr trust" >> /var/lib/postgresql/data/pg_hba.conf + echo "host replication repmgr 127.0.0.1/32 trust" >> /var/lib/postgresql/data/pg_hba.conf + echo "host replication repmgr ${POSTGRES_NETWORK-100.64.0.0/10} trust" >> /var/lib/postgresql/data/pg_hba.conf + echo "local repmgr repmgr trust" >> /var/lib/postgresql/data/pg_hba.conf + echo "host repmgr repmgr 127.0.0.1/32 trust" >> /var/lib/postgresql/data/pg_hba.conf + echo "host repmgr repmgr ${POSTGRES_NETWORK-100.64.0.0/10} trust" >> /var/lib/postgresql/data/pg_hba.conf + echo "host all all all scram-sha-256" >> /var/lib/postgresql/data/pg_hba.conf + echo "node_id = ${REPMGR_NODE_ID}" >> /etc/repmgr.conf + echo "node_name = ${REPMGR_NODE_NAME}" >> /etc/repmgr.conf + echo "conninfo = 'host=${REPMGR_NODE_NAME} dbname=repmgr user=repmgr connect_timeout=2'" >> /etc/repmgr.conf + echo "location = '${REPMGR_NODE_LOCATION}'" >> /etc/repmgr.conf + echo "data_directory = '/var/lib/postgresql/data'" >> /etc/repmgr.conf + echo "use_replication_slots = on" >> /etc/repmgr.conf + echo "pg_bindir = '/usr/lib/postgresql/15/bin/'" >> /etc/repmgr.conf # process selected tweaks - if [[ -n $MAX_CONNECTIONS ]]; then - echo "max_connections = ${MAX_CONNECTIONS}" >> /var/lib/postgresql/data/postgresql.conf + if [[ -n $POSTGRES_MAX_CONNECTIONS ]]; then + echo "max_connections = ${POSTGRES_MAX_CONNECTIONS}" >> /var/lib/postgresql/data/postgresql.conf fi server_start /usr/lib/postgresql/15/bin/repmgr -f /etc/repmgr.conf primary register - else # this is a standby @@ -66,17 +58,17 @@ else rm -rf /var/lib/postgresql/data/* - echo "node_id = 2" >> /etc/repmgr.conf - echo "node_name = pg-1" >> /etc/repmgr.conf - echo "conninfo = 'host=pg-1 dbname=repmgr user=repmgr connect_timeout=2'" >> /etc/repmgr.conf - echo "data_directory = '/var/lib/postgresql/data'" >> /etc/repmgr.conf - echo "use_replication_slots = on" >> /etc/repmgr.conf - echo "pg_bindir = '/usr/lib/postgresql/15/bin/'" >> /etc/repmgr.conf - + echo "node_id = ${REPMGR_NODE_ID}" >> /etc/repmgr.conf + echo "node_name = ${REPMGR_NODE_NAME}" >> /etc/repmgr.conf + echo "conninfo = 'host=${REPMGR_NODE_NAME} dbname=repmgr user=repmgr connect_timeout=2'" >> /etc/repmgr.conf + echo "location = '${REPMGR_NODE_LOCATION}'" >> /etc/repmgr.conf + echo "data_directory = '/var/lib/postgresql/data'" >> /etc/repmgr.conf + echo "use_replication_slots = on" >> /etc/repmgr.conf + echo "pg_bindir = '/usr/lib/postgresql/15/bin/'" >> /etc/repmgr.conf until /usr/lib/postgresql/15/bin/repmgr -h pg-0 -U repmgr -f /etc/repmgr.conf standby clone --dry-run &> /dev/null do - echo "Upstream host not ready..." + echo "Upstream host not ready. Waiting for 5 minutes..." sleep 300 done echo "Upstream host found..." diff --git a/docker-entrypoint.sh b/docker-entrypoint.sh deleted file mode 100755 index 14a8f82..0000000 --- a/docker-entrypoint.sh +++ /dev/null @@ -1,382 +0,0 @@ -#!/usr/bin/env bash -set -Eeo pipefail -# swap to -Eeuo pipefail above (after handling all potentially-unset variables) - -# usage: file_env VAR [DEFAULT] -# ie: file_env 'XYZ_DB_PASSWORD' 'example' -# (will allow for "$XYZ_DB_PASSWORD_FILE" to fill in the value of -# "$XYZ_DB_PASSWORD" from a file, especially for Docker's secrets feature) -file_env() { - local var="$1" - local fileVar="${var}_FILE" - local def="${2:-}" - if [ "${!var:-}" ] && [ "${!fileVar:-}" ]; then - printf >&2 'error: both %s and %s are set (but are exclusive)\n' "$var" "$fileVar" - exit 1 - fi - local val="$def" - if [ "${!var:-}" ]; then - val="${!var}" - elif [ "${!fileVar:-}" ]; then - val="$(< "${!fileVar}")" - fi - export "$var"="$val" - unset "$fileVar" -} - -# check to see if this file is being run or sourced from another script -_is_sourced() { - # https://unix.stackexchange.com/a/215279 - [ "${#FUNCNAME[@]}" -ge 2 ] \ - && [ "${FUNCNAME[0]}" = '_is_sourced' ] \ - && [ "${FUNCNAME[1]}" = 'source' ] -} - -# used to create initial postgres directories and if run as root, ensure ownership to the "postgres" user -docker_create_db_directories() { - local user; user="$(id -u)" - - mkdir -p "$PGDATA" - # ignore failure since there are cases where we can't chmod (and PostgreSQL might fail later anyhow - it's picky about permissions of this directory) - chmod 00700 "$PGDATA" || : - - # ignore failure since it will be fine when using the image provided directory; see also https://github.com/docker-library/postgres/pull/289 - mkdir -p /var/run/postgresql || : - chmod 03775 /var/run/postgresql || : - - # Create the transaction log directory before initdb is run so the directory is owned by the correct user - if [ -n "${POSTGRES_INITDB_WALDIR:-}" ]; then - mkdir -p "$POSTGRES_INITDB_WALDIR" - if [ "$user" = '0' ]; then - find "$POSTGRES_INITDB_WALDIR" \! -user postgres -exec chown postgres '{}' + - fi - chmod 700 "$POSTGRES_INITDB_WALDIR" - fi - - # allow the container to be started with `--user` - if [ "$user" = '0' ]; then - find "$PGDATA" \! -user postgres -exec chown postgres '{}' + - find /var/run/postgresql \! -user postgres -exec chown postgres '{}' + - fi -} - -# initialize empty PGDATA directory with new database via 'initdb' -# arguments to `initdb` can be passed via POSTGRES_INITDB_ARGS or as arguments to this function -# `initdb` automatically creates the "postgres", "template0", and "template1" dbnames -# this is also where the database user is created, specified by `POSTGRES_USER` env -docker_init_database_dir() { - # "initdb" is particular about the current user existing in "/etc/passwd", so we use "nss_wrapper" to fake that if necessary - # see https://github.com/docker-library/postgres/pull/253, https://github.com/docker-library/postgres/issues/359, https://cwrap.org/nss_wrapper.html - local uid; uid="$(id -u)" - if ! getent passwd "$uid" &> /dev/null; then - # see if we can find a suitable "libnss_wrapper.so" (https://salsa.debian.org/sssd-team/nss-wrapper/-/commit/b9925a653a54e24d09d9b498a2d913729f7abb15) - local wrapper - for wrapper in {/usr,}/lib{/*,}/libnss_wrapper.so; do - if [ -s "$wrapper" ]; then - NSS_WRAPPER_PASSWD="$(mktemp)" - NSS_WRAPPER_GROUP="$(mktemp)" - export LD_PRELOAD="$wrapper" NSS_WRAPPER_PASSWD NSS_WRAPPER_GROUP - local gid; gid="$(id -g)" - printf 'postgres:x:%s:%s:PostgreSQL:%s:/bin/false\n' "$uid" "$gid" "$PGDATA" > "$NSS_WRAPPER_PASSWD" - printf 'postgres:x:%s:\n' "$gid" > "$NSS_WRAPPER_GROUP" - break - fi - done - fi - - if [ -n "${POSTGRES_INITDB_WALDIR:-}" ]; then - set -- --waldir "$POSTGRES_INITDB_WALDIR" "$@" - fi - - # --pwfile refuses to handle a properly-empty file (hence the "\n"): https://github.com/docker-library/postgres/issues/1025 - eval 'initdb --username="$POSTGRES_USER" --pwfile=<(printf "%s\n" "$POSTGRES_PASSWORD") '"$POSTGRES_INITDB_ARGS"' "$@"' - - # unset/cleanup "nss_wrapper" bits - if [[ "${LD_PRELOAD:-}" == */libnss_wrapper.so ]]; then - rm -f "$NSS_WRAPPER_PASSWD" "$NSS_WRAPPER_GROUP" - unset LD_PRELOAD NSS_WRAPPER_PASSWD NSS_WRAPPER_GROUP - fi -} - -# print large warning if POSTGRES_PASSWORD is long -# error if both POSTGRES_PASSWORD is empty and POSTGRES_HOST_AUTH_METHOD is not 'trust' -# print large warning if POSTGRES_HOST_AUTH_METHOD is set to 'trust' -# assumes database is not set up, ie: [ -z "$DATABASE_ALREADY_EXISTS" ] -docker_verify_minimum_env() { - if [ -z "$POSTGRES_PASSWORD" ] && [ 'trust' != "$POSTGRES_HOST_AUTH_METHOD" ]; then - # The - option suppresses leading tabs but *not* spaces. :) - cat >&2 <<-'EOE' - Error: Database is uninitialized and superuser password is not specified. - You must specify POSTGRES_PASSWORD to a non-empty value for the - superuser. For example, "-e POSTGRES_PASSWORD=password" on "docker run". - - You may also use "POSTGRES_HOST_AUTH_METHOD=trust" to allow all - connections without a password. This is *not* recommended. - - See PostgreSQL documentation about "trust": - https://www.postgresql.org/docs/current/auth-trust.html - EOE - exit 1 - fi - if [ 'trust' = "$POSTGRES_HOST_AUTH_METHOD" ]; then - cat >&2 <<-'EOWARN' - ******************************************************************************** - WARNING: POSTGRES_HOST_AUTH_METHOD has been set to "trust". This will allow - anyone with access to the Postgres port to access your database without - a password, even if POSTGRES_PASSWORD is set. See PostgreSQL - documentation about "trust": - https://www.postgresql.org/docs/current/auth-trust.html - In Docker's default configuration, this is effectively any other - container on the same system. - - It is not recommended to use POSTGRES_HOST_AUTH_METHOD=trust. Replace - it with "-e POSTGRES_PASSWORD=password" instead to set a password in - "docker run". - ******************************************************************************** - EOWARN - fi -} -# similar to the above, but errors if there are any "old" databases detected (usually due to upgrades without pg_upgrade) -docker_error_old_databases() { - if [ -n "${OLD_DATABASES[0]:-}" ]; then - cat >&2 <<-EOE - Error: in 18+, these Docker images are configured to store database data in a - format which is compatible with "pg_ctlcluster" (specifically, using - major-version-specific directory names). This better reflects how - PostgreSQL itself works, and how upgrades are to be performed. - - See also https://github.com/docker-library/postgres/pull/1259 - - Counter to that, there appears to be PostgreSQL data in: - ${OLD_DATABASES[*]} - - This is usually the result of upgrading the Docker image without - upgrading the underlying database using "pg_upgrade" (which requires both - versions). - - The suggested container configuration for 18+ is to place a single mount - at /var/lib/postgresql which will then place PostgreSQL data in a - subdirectory, allowing usage of "pg_upgrade --link" without mount point - boundary issues. - - See https://github.com/docker-library/postgres/issues/37 for a (long) - discussion around this process, and suggestions for how to do so. - EOE - exit 1 - fi -} - -# usage: docker_process_init_files [file [file [...]]] -# ie: docker_process_init_files /always-initdb.d/* -# process initializer files, based on file extensions and permissions -docker_process_init_files() { - # psql here for backwards compatibility "${psql[@]}" - psql=( docker_process_sql ) - - printf '\n' - local f - for f; do - case "$f" in - *.sh) - # https://github.com/docker-library/postgres/issues/450#issuecomment-393167936 - # https://github.com/docker-library/postgres/pull/452 - if [ -x "$f" ]; then - printf '%s: running %s\n' "$0" "$f" - "$f" - else - printf '%s: sourcing %s\n' "$0" "$f" - . "$f" - fi - ;; - *.sql) printf '%s: running %s\n' "$0" "$f"; docker_process_sql -f "$f"; printf '\n' ;; - *.sql.gz) printf '%s: running %s\n' "$0" "$f"; gunzip -c "$f" | docker_process_sql; printf '\n' ;; - *.sql.xz) printf '%s: running %s\n' "$0" "$f"; xzcat "$f" | docker_process_sql; printf '\n' ;; - *.sql.zst) printf '%s: running %s\n' "$0" "$f"; zstd -dc "$f" | docker_process_sql; printf '\n' ;; - *) printf '%s: ignoring %s\n' "$0" "$f" ;; - esac - printf '\n' - done -} - -# Execute sql script, passed via stdin (or -f flag of pqsl) -# usage: docker_process_sql [psql-cli-args] -# ie: docker_process_sql --dbname=mydb <<<'INSERT ...' -# ie: docker_process_sql -f my-file.sql -# ie: docker_process_sql > "$PGDATA/pg_hba.conf" -} - -# start socket-only postgresql server for setting up or running scripts -# all arguments will be passed along as arguments to `postgres` (via pg_ctl) -docker_temp_server_start() { - if [ "$1" = 'postgres' ]; then - shift - fi - - # internal start of server in order to allow setup using psql client - # does not listen on external TCP/IP and waits until start finishes - set -- "$@" -c listen_addresses='' -p "${PGPORT:-5432}" - - # unset NOTIFY_SOCKET so the temporary server doesn't prematurely notify - # any process supervisor. - NOTIFY_SOCKET= \ - PGUSER="${PGUSER:-$POSTGRES_USER}" \ - pg_ctl -D "$PGDATA" \ - -o "$(printf '%q ' "$@")" \ - -w start -} - -# stop postgresql server after done setting up user and running scripts -docker_temp_server_stop() { - PGUSER="${PGUSER:-postgres}" \ - pg_ctl -D "$PGDATA" -m fast -w stop -} - -# check arguments for an option that would cause postgres to stop -# return true if there is one -_pg_want_help() { - local arg - for arg; do - case "$arg" in - # postgres --help | grep 'then exit' - # leaving out -C on purpose since it always fails and is unhelpful: - # postgres: could not access the server configuration file "/var/lib/postgresql/data/postgresql.conf": No such file or directory - -'?'|--help|--describe-config|-V|--version) - return 0 - ;; - esac - done - return 1 -} - -_main() { - # if first arg looks like a flag, assume we want to run postgres server - if [ "${1:0:1}" = '-' ]; then - set -- postgres "$@" - fi - - if [ "$1" = 'postgres' ] && ! _pg_want_help "$@"; then - docker_setup_env - # setup data directories and permissions (when run as root) - docker_create_db_directories - if [ "$(id -u)" = '0' ]; then - # then restart script as postgres user - exec gosu postgres "$BASH_SOURCE" "$@" - fi - - # only run initialization on an empty data directory - if [ -z "$DATABASE_ALREADY_EXISTS" ]; then - docker_verify_minimum_env - docker_error_old_databases - - # check dir permissions to reduce likelihood of half-initialized database - ls /docker-entrypoint-initdb.d/ > /dev/null - - docker_init_database_dir - pg_setup_hba_conf "$@" - - # PGPASSWORD is required for psql when authentication is required for 'local' connections via pg_hba.conf and is otherwise harmless - # e.g. when '--auth=md5' or '--auth-local=md5' is used in POSTGRES_INITDB_ARGS - export PGPASSWORD="${PGPASSWORD:-$POSTGRES_PASSWORD}" - docker_temp_server_start "$@" - - docker_setup_db - docker_process_init_files /docker-entrypoint-initdb.d/* - - docker_temp_server_stop - unset PGPASSWORD - - cat <<-'EOM' - - PostgreSQL init process complete; ready for start up. - - EOM - else - cat <<-'EOM' - - PostgreSQL Database directory appears to contain a database; Skipping initialization - - EOM - fi - fi - - exec "$@" -} - -if ! _is_sourced; then - _main "$@" -fi diff --git a/bashrc b/profile similarity index 100% rename from bashrc rename to profile