From 95949729a45e2f62a8a784a18e5d9e7d8339d5d6 Mon Sep 17 00:00:00 2001 From: lbrinkhaus Date: Fri, 31 Dec 2021 12:29:09 +0100 Subject: [PATCH] Initial Commit with Postgres 14 --- .editorconfig | 27 ++ .gitignore | 580 ++++++++++++++++++++++++++++++++++++++++ 14/Dockerfile | 188 +++++++++++++ 14/docker-entrypoint.sh | 342 +++++++++++++++++++++++ README.md | 0 5 files changed, 1137 insertions(+) create mode 100644 .editorconfig create mode 100644 .gitignore create mode 100644 14/Dockerfile create mode 100644 14/docker-entrypoint.sh create mode 100644 README.md diff --git a/.editorconfig b/.editorconfig new file mode 100644 index 0000000..b4a6ebc --- /dev/null +++ b/.editorconfig @@ -0,0 +1,27 @@ +# EditorConfig is awesome: http://EditorConfig.org + +# top-most EditorConfig file +root = true +charset = utf-8 +trim_trailing_whitespace = true + +[*] +end_of_line = lf +insert_final_newline = true +indent_style = space +indent_size = 4 + +[VERSION] +insert_final_newline = false + +[Makefile] +indent_style = tab + +[DOCKER_REPOSITORY] +insert_final_newline = false + +[DOCKER_TAG_LATEST] +insert_final_newline = false + +[BLACKLIST] +insert_final_newline = false \ No newline at end of file diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..cbeb4ee --- /dev/null +++ b/.gitignore @@ -0,0 +1,580 @@ + +# Created by https://www.toptal.com/developers/gitignore/api/jetbrains,visualstudiocode,visualstudio,windows,linux,macos +# Edit at https://www.toptal.com/developers/gitignore?templates=jetbrains,visualstudiocode,visualstudio,windows,linux,macos + +### JetBrains ### +# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio, WebStorm and Rider +# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839 + +# User-specific stuff +.idea/**/workspace.xml +.idea/**/tasks.xml +.idea/**/usage.statistics.xml +.idea/**/dictionaries +.idea/**/shelf + +# AWS User-specific +.idea/**/aws.xml + +# Generated files +.idea/**/contentModel.xml + +# Sensitive or high-churn files +.idea/**/dataSources/ +.idea/**/dataSources.ids +.idea/**/dataSources.local.xml +.idea/**/sqlDataSources.xml +.idea/**/dynamic.xml +.idea/**/uiDesigner.xml +.idea/**/dbnavigator.xml + +# Gradle +.idea/**/gradle.xml +.idea/**/libraries + +# Gradle and Maven with auto-import +# When using Gradle or Maven with auto-import, you should exclude module files, +# since they will be recreated, and may cause churn. Uncomment if using +# auto-import. +# .idea/artifacts +# .idea/compiler.xml +# .idea/jarRepositories.xml +# .idea/modules.xml +# .idea/*.iml +# .idea/modules +# *.iml +# *.ipr + +# CMake +cmake-build-*/ + +# Mongo Explorer plugin +.idea/**/mongoSettings.xml + +# File-based project format +*.iws + +# IntelliJ +out/ + +# mpeltonen/sbt-idea plugin +.idea_modules/ + +# JIRA plugin +atlassian-ide-plugin.xml + +# Cursive Clojure plugin +.idea/replstate.xml + +# Crashlytics plugin (for Android Studio and IntelliJ) +com_crashlytics_export_strings.xml +crashlytics.properties +crashlytics-build.properties +fabric.properties + +# Editor-based Rest Client +.idea/httpRequests + +# Android studio 3.1+ serialized cache file +.idea/caches/build_file_checksums.ser + +### JetBrains Patch ### +# Comment Reason: https://github.com/joeblau/gitignore.io/issues/186#issuecomment-215987721 + +# *.iml +# modules.xml +# .idea/misc.xml +# *.ipr + +# Sonarlint plugin +# https://plugins.jetbrains.com/plugin/7973-sonarlint +.idea/**/sonarlint/ + +# SonarQube Plugin +# https://plugins.jetbrains.com/plugin/7238-sonarqube-community-plugin +.idea/**/sonarIssues.xml + +# Markdown Navigator plugin +# https://plugins.jetbrains.com/plugin/7896-markdown-navigator-enhanced +.idea/**/markdown-navigator.xml +.idea/**/markdown-navigator-enh.xml +.idea/**/markdown-navigator/ + +# Cache file creation bug +# See https://youtrack.jetbrains.com/issue/JBR-2257 +.idea/$CACHE_FILE$ + +# CodeStream plugin +# https://plugins.jetbrains.com/plugin/12206-codestream +.idea/codestream.xml + +### Linux ### +*~ + +# temporary files which can be created if a process still has a handle open of a deleted file +.fuse_hidden* + +# KDE directory preferences +.directory + +# Linux trash folder which might appear on any partition or disk +.Trash-* + +# .nfs files are created when an open file is removed but is still being accessed +.nfs* + +### macOS ### +# General +.DS_Store +.AppleDouble 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+TestResult.xml +nunit-*.xml + +# Build Results of an ATL Project +[Dd]ebugPS/ +[Rr]eleasePS/ +dlldata.c + +# Benchmark Results +BenchmarkDotNet.Artifacts/ + +# .NET Core +project.lock.json +project.fragment.lock.json +artifacts/ + +# ASP.NET Scaffolding +ScaffoldingReadMe.txt + +# StyleCop +StyleCopReport.xml + +# Files built by Visual Studio +*_i.c +*_p.c +*_h.h +*.ilk +*.meta +*.obj +*.iobj +*.pch +*.pdb +*.ipdb +*.pgc +*.pgd +*.rsp +*.sbr +*.tlb +*.tli +*.tlh +*.tmp +*.tmp_proj +*_wpftmp.csproj +*.log +*.tlog +*.vspscc +*.vssscc +.builds +*.pidb +*.svclog +*.scc + +# Chutzpah Test files +_Chutzpah* + +# Visual C++ cache files +ipch/ +*.aps +*.ncb +*.opendb +*.opensdf +*.sdf +*.cachefile +*.VC.db +*.VC.VC.opendb + +# Visual Studio profiler +*.psess +*.vsp +*.vspx +*.sap + +# Visual Studio Trace Files +*.e2e + +# TFS 2012 Local Workspace +$tf/ + +# Guidance Automation Toolkit +*.gpState + +# ReSharper is a .NET coding add-in +_ReSharper*/ +*.[Rr]e[Ss]harper +*.DotSettings.user + +# 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will be unencrypted +*.pubxml +*.publishproj + +# Microsoft Azure Web App publish settings. Comment the next line if you want to +# checkin your Azure Web App publish settings, but sensitive information contained +# in these scripts will be unencrypted +PublishScripts/ + +# NuGet Packages +*.nupkg +# NuGet Symbol Packages +*.snupkg +# The packages folder can be ignored because of Package Restore +**/[Pp]ackages/* +# except build/, which is used as an MSBuild target. +!**/[Pp]ackages/build/ +# Uncomment if necessary however generally it will be regenerated when needed +#!**/[Pp]ackages/repositories.config +# NuGet v3's project.json files produces more ignorable files +*.nuget.props +*.nuget.targets + +# Nuget personal access tokens and Credentials +# nuget.config + +# Microsoft Azure Build Output +csx/ +*.build.csdef + +# Microsoft Azure Emulator +ecf/ +rcf/ + +# Windows Store app package directories and files +AppPackages/ +BundleArtifacts/ +Package.StoreAssociation.xml +_pkginfo.txt +*.appx +*.appxbundle +*.appxupload + +# Visual Studio cache files +# files ending in .cache can be ignored +*.[Cc]ache +# but keep track of directories ending in .cache +!?*.[Cc]ache/ + +# Others +ClientBin/ +~$* +*.dbmdl +*.dbproj.schemaview +*.jfm +*.pfx +*.publishsettings +orleans.codegen.cs + +# Including strong name files can present a security risk +# (https://github.com/github/gitignore/pull/2483#issue-259490424) +#*.snk + +# Since there are multiple workflows, uncomment next line to ignore bower_components +# (https://github.com/github/gitignore/pull/1529#issuecomment-104372622) +#bower_components/ + +# RIA/Silverlight projects +Generated_Code/ + +# Backup & report files from converting an old project file +# to a newer Visual Studio version. Backup files are not needed, +# because we have git ;-) +_UpgradeReport_Files/ +Backup*/ +UpgradeLog*.XML +UpgradeLog*.htm +ServiceFabricBackup/ +*.rptproj.bak + +# SQL Server files +*.mdf +*.ldf +*.ndf + +# Business Intelligence projects +*.rdl.data +*.bim.layout +*.bim_*.settings +*.rptproj.rsuser +*- [Bb]ackup.rdl +*- [Bb]ackup ([0-9]).rdl +*- [Bb]ackup ([0-9][0-9]).rdl + +# Microsoft Fakes +FakesAssemblies/ + +# GhostDoc plugin setting file +*.GhostDoc.xml + +# Node.js Tools for Visual Studio +.ntvs_analysis.dat +node_modules/ + +# Visual Studio 6 build log +*.plg + +# Visual Studio 6 workspace options file +*.opt + +# Visual Studio 6 auto-generated workspace file (contains which files were open etc.) +*.vbw + +# Visual Studio LightSwitch build output +**/*.HTMLClient/GeneratedArtifacts +**/*.DesktopClient/GeneratedArtifacts +**/*.DesktopClient/ModelManifest.xml +**/*.Server/GeneratedArtifacts +**/*.Server/ModelManifest.xml +_Pvt_Extensions + +# Paket dependency manager +.paket/paket.exe +paket-files/ + +# FAKE - F# Make +.fake/ + +# CodeRush personal settings +.cr/personal + +# Python Tools for Visual Studio (PTVS) +__pycache__/ +*.pyc + +# Cake - Uncomment if you are using it +# tools/** +# !tools/packages.config + +# Tabs Studio +*.tss + +# Telerik's JustMock configuration file +*.jmconfig + +# BizTalk build output +*.btp.cs +*.btm.cs +*.odx.cs +*.xsd.cs + +# OpenCover UI analysis results +OpenCover/ + +# Azure Stream Analytics local run output +ASALocalRun/ + +# MSBuild Binary and Structured Log +*.binlog + +# NVidia Nsight GPU debugger configuration file +*.nvuser + +# MFractors (Xamarin productivity tool) working folder +.mfractor/ + +# Local History for Visual Studio +.localhistory/ + +# BeatPulse healthcheck temp database +healthchecksdb + +# Backup folder for Package Reference Convert tool in Visual Studio 2017 +MigrationBackup/ + +# Ionide (cross platform F# VS Code tools) working folder +.ionide/ + +# Fody - auto-generated XML schema +FodyWeavers.xsd + +# VS Code files for those working on multiple tools + +# Local History for Visual Studio Code + +# Windows Installer files from build outputs + +# JetBrains Rider +.idea/ +*.sln.iml + +### VisualStudio Patch ### +# Additional files built by Visual Studio + +# End of https://www.toptal.com/developers/gitignore/api/jetbrains,visualstudiocode,visualstudio,windows,linux,macos \ No newline at end of file diff --git a/14/Dockerfile b/14/Dockerfile new file mode 100644 index 0000000..85133d7 --- /dev/null +++ b/14/Dockerfile @@ -0,0 +1,188 @@ +FROM harbor.dragse.it/base/alpine:3.15 + +# 70 is the standard uid/gid for "postgres" in Alpine +# https://git.alpinelinux.org/aports/tree/main/postgresql/postgresql.pre-install?h=3.12-stable +RUN set -eux; \ + addgroup -g 70 -S postgres; \ + adduser -u 70 -S -D -G postgres -H -h /var/lib/postgresql -s /bin/sh postgres; \ + mkdir -p /var/lib/postgresql; \ + chown -R postgres:postgres /var/lib/postgresql + +# su-exec (gosu-compatible) is installed further down + +# make the "de_DE.UTF-8" locale so postgres will be utf-8 enabled by default +# alpine doesn't require explicit locale-file generation +ENV LANG de_DE.utf8 + +RUN mkdir /docker-entrypoint-initdb.d + +ENV PG_MAJOR 14 +ENV PG_VERSION 14.1 +ENV PG_SHA256 4d3c101ea7ae38982f06bdc73758b53727fb6402ecd9382006fa5ecc7c2ca41f + +RUN set -eux; \ + \ + wget -O postgresql.tar.bz2 "https://ftp.postgresql.org/pub/source/v$PG_VERSION/postgresql-$PG_VERSION.tar.bz2"; \ + echo "$PG_SHA256 *postgresql.tar.bz2" | sha256sum -c -; \ + mkdir -p /usr/src/postgresql; \ + tar \ + --extract \ + --file postgresql.tar.bz2 \ + --directory /usr/src/postgresql \ + --strip-components 1 \ + ; \ + rm postgresql.tar.bz2; \ + \ + apk add --no-cache --virtual .build-deps \ + bison \ + coreutils \ + dpkg-dev dpkg \ + flex \ + gcc \ + krb5-dev \ + libc-dev \ + libedit-dev \ + libxml2-dev \ + libxslt-dev \ + linux-headers \ + llvm-dev clang g++ \ + make \ + openldap-dev \ + openssl-dev \ +# configure: error: prove not found + perl-utils \ +# configure: error: Perl module IPC::Run is required to run TAP tests + perl-ipc-run \ + perl-dev \ + python3-dev \ + tcl-dev \ + util-linux-dev \ + zlib-dev \ +# https://www.postgresql.org/docs/10/static/release-10.html#id-1.11.6.9.5.13 + icu-dev \ +# https://www.postgresql.org/docs/14/release-14.html#id-1.11.6.5.5.3.7 + lz4-dev \ + ; \ + \ + cd /usr/src/postgresql; \ +# update "DEFAULT_PGSOCKET_DIR" to "/var/run/postgresql" (matching Debian) +# see https://anonscm.debian.org/git/pkg-postgresql/postgresql.git/tree/debian/patches/51-default-sockets-in-var.patch?id=8b539fcb3e093a521c095e70bdfa76887217b89f + awk '$1 == "#define" && $2 == "DEFAULT_PGSOCKET_DIR" && $3 == "\"/tmp\"" { $3 = "\"/var/run/postgresql\""; print; next } { print }' src/include/pg_config_manual.h > src/include/pg_config_manual.h.new; \ + grep '/var/run/postgresql' src/include/pg_config_manual.h.new; \ + mv src/include/pg_config_manual.h.new src/include/pg_config_manual.h; \ + gnuArch="$(dpkg-architecture --query DEB_BUILD_GNU_TYPE)"; \ +# explicitly update autoconf config.guess and config.sub so they support more arches/libcs + wget -O config/config.guess 'https://git.savannah.gnu.org/cgit/config.git/plain/config.guess?id=7d3d27baf8107b630586c962c057e22149653deb'; \ + wget -O config/config.sub 'https://git.savannah.gnu.org/cgit/config.git/plain/config.sub?id=7d3d27baf8107b630586c962c057e22149653deb'; \ +# configure options taken from: +# https://anonscm.debian.org/cgit/pkg-postgresql/postgresql.git/tree/debian/rules?h=9.5 + ./configure \ + --build="$gnuArch" \ +# "/usr/src/postgresql/src/backend/access/common/tupconvert.c:105: undefined reference to `libintl_gettext'" +# --enable-nls \ + --enable-integer-datetimes \ + --enable-thread-safety \ + --enable-tap-tests \ +# skip debugging info -- we want tiny size instead +# --enable-debug \ + --disable-rpath \ + --with-uuid=e2fs \ + --with-gnu-ld \ + --with-pgport=5432 \ + --with-system-tzdata=/usr/share/zoneinfo \ + --prefix=/usr/local \ + --with-includes=/usr/local/include \ + --with-libraries=/usr/local/lib \ + --with-krb5 \ + --with-gssapi \ + --with-ldap \ + --with-tcl \ + --with-perl \ + --with-python \ +# --with-pam \ + --with-openssl \ + --with-libxml \ + --with-libxslt \ + --with-icu \ + --with-llvm \ + --with-lz4 \ + ; \ + make -j "$(nproc)" world; \ + make install-world; \ + make -C contrib install; \ + \ + runDeps="$( \ + scanelf --needed --nobanner --format '%n#p' --recursive /usr/local \ + | tr ',' '\n' \ + | sort -u \ + | awk 'system("[ -e /usr/local/lib/" $1 " ]") == 0 { next } { print "so:" $1 }' \ +# Remove plperl, plpython and pltcl dependencies by default to save image size +# To use the pl extensions, those have to be installed in a derived image + | grep -v -e perl -e python -e tcl \ + )"; \ + apk add --no-cache --virtual .postgresql-rundeps \ + $runDeps \ + bash \ + su-exec \ +# tzdata is optional, but only adds around 1Mb to image size and is recommended by Django documentation: +# https://docs.djangoproject.com/en/1.10/ref/databases/#optimizing-postgresql-s-configuration + tzdata \ + ; \ + apk del --no-network .build-deps; \ + cd /; \ + rm -rf \ + /usr/src/postgresql \ + /usr/local/share/doc \ + /usr/local/share/man \ + ; \ + \ + postgres --version + +# make the sample config easier to munge (and "correct by default") +RUN set -eux; \ + cp -v /usr/local/share/postgresql/postgresql.conf.sample /usr/local/share/postgresql/postgresql.conf.sample.orig; \ + sed -ri "s!^#?(listen_addresses)\s*=\s*\S+.*!\1 = '*'!" /usr/local/share/postgresql/postgresql.conf.sample; \ + grep -F "listen_addresses = '*'" /usr/local/share/postgresql/postgresql.conf.sample + +RUN mkdir -p /var/run/postgresql && chown -R postgres:postgres /var/run/postgresql && chmod 2777 /var/run/postgresql + +ENV PGDATA /var/lib/postgresql/data +# this 777 will be replaced by 700 at runtime (allows semi-arbitrary "--user" values) +RUN mkdir -p "$PGDATA" && chown -R postgres:postgres "$PGDATA" && chmod 777 "$PGDATA" +VOLUME /var/lib/postgresql/data + +COPY docker-entrypoint.sh /usr/local/bin/ +ENTRYPOINT ["docker-entrypoint.sh"] + +# We set the default STOPSIGNAL to SIGINT, which corresponds to what PostgreSQL +# calls "Fast Shutdown mode" wherein new connections are disallowed and any +# in-progress transactions are aborted, allowing PostgreSQL to stop cleanly and +# flush tables to disk, which is the best compromise available to avoid data +# corruption. +# +# Users who know their applications do not keep open long-lived idle connections +# may way to use a value of SIGTERM instead, which corresponds to "Smart +# Shutdown mode" in which any existing sessions are allowed to finish and the +# server stops when all sessions are terminated. +# +# See https://www.postgresql.org/docs/12/server-shutdown.html for more details +# about available PostgreSQL server shutdown signals. +# +# See also https://www.postgresql.org/docs/12/server-start.html for further +# justification of this as the default value, namely that the example (and +# shipped) systemd service files use the "Fast Shutdown mode" for service +# termination. +# +STOPSIGNAL SIGINT +# +# An additional setting that is recommended for all users regardless of this +# value is the runtime "--stop-timeout" (or your orchestrator/runtime's +# equivalent) for controlling how long to wait between sending the defined +# STOPSIGNAL and sending SIGKILL (which is likely to cause data corruption). +# +# The default in most runtimes (such as Docker) is 10 seconds, and the +# documentation at https://www.postgresql.org/docs/12/server-start.html notes +# that even 90 seconds may not be long enough in many instances. + +EXPOSE 5432 +CMD ["postgres"] \ No newline at end of file diff --git a/14/docker-entrypoint.sh b/14/docker-entrypoint.sh new file mode 100644 index 0000000..da64882 --- /dev/null +++ b/14/docker-entrypoint.sh @@ -0,0 +1,342 @@ +#!/usr/bin/env bash +set -Eeo pipefail +# TODO 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 + echo >&2 "error: both $var and $fileVar are set (but are exclusive)" + exit 1 + fi + local val="$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 "$PGDATA" + # ignore failure since there are cases where we can't chmod (and PostgreSQL might fail later anyhow - it's picky about permissions of this directory) + chmod 700 "$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 775 /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)" + echo "postgres:x:$uid:$gid:PostgreSQL:$PGDATA:/bin/false" > "$NSS_WRAPPER_PASSWD" + echo "postgres:x:$gid:" > "$NSS_WRAPPER_GROUP" + break + fi + done + fi + + if [ -n "$POSTGRES_INITDB_WALDIR" ]; then + set -- --waldir "$POSTGRES_INITDB_WALDIR" "$@" + fi + + eval 'initdb --username="$POSTGRES_USER" --pwfile=<(echo "$POSTGRES_PASSWORD") '"$POSTGRES_INITDB_ARGS"' "$@"' + + # unset/cleanup "nss_wrapper" bits + if [ "${LD_PRELOAD:-}" = '/usr/lib/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 "$DATABASE_ALREADY_EXISTS" ] +docker_verify_minimum_env() { + # check password first so we can output the warning before postgres + # messes it up + if [ "${#POSTGRES_PASSWORD}" -ge 100 ]; then + cat >&2 <<-'EOWARN' + WARNING: The supplied POSTGRES_PASSWORD is 100+ characters. + This will not work if used via PGPASSWORD with "psql". + https://www.postgresql.org/message-id/flat/E1Rqxp2-0004Qt-PL%40wrigleys.postgresql.org (BUG #6412) + https://github.com/docker-library/postgres/issues/507 + EOWARN + fi + 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' = "$POSTGRES_HOST_AUTH_METHOD" ]; then + cat >&2 <<-'EOWARN' + ******************************************************************************** + WARNING: POSTGRES_HOST_AUTH_METHOD has been set to "trust". This will allow + anyone with access to the Postgres port to access your database without + a password, even if POSTGRES_PASSWORD is set. See PostgreSQL + documentation about "trust": + https://www.postgresql.org/docs/current/auth-trust.html + In Docker's default configuration, this is effectively any other + container on the same system. + It is not recommended to use POSTGRES_HOST_AUTH_METHOD=trust. Replace + it with "-e POSTGRES_PASSWORD=password" instead to set a password in + "docker run". + ******************************************************************************** + EOWARN + fi +} + +# usage: docker_process_init_files [file [file [...]]] +# ie: docker_process_init_files /always-initdb.d/* +# process initializer files, based on file extensions and permissions +docker_process_init_files() { + # psql here for backwards compatibility "${psql[@]}" + psql=( docker_process_sql ) + + echo + 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 + echo "$0: running $f" + "$f" + else + echo "$0: sourcing $f" + . "$f" + fi + ;; + *.sql) echo "$0: running $f"; docker_process_sql -f "$f"; echo ;; + *.sql.gz) echo "$0: running $f"; gunzip -c "$f" | docker_process_sql; echo ;; + *.sql.xz) echo "$0: running $f"; xzcat "$f" | docker_process_sql; echo ;; + *) echo "$0: ignoring $f" ;; + esac + echo + done +} + +# Execute sql script, passed via stdin (or -f flag of pqsl) +# usage: docker_process_sql [psql-cli-args] +# ie: docker_process_sql --dbname=mydb <<<'INSERT ...' +# ie: docker_process_sql -f my-file.sql +# ie: docker_process_sql > "$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 "${PGPORT:-5432}" + + PGUSER="${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 [ "$(id -u)" = '0' ]; then + # then restart script as postgres user + exec su-exec postgres "$BASH_SOURCE" "$@" + fi + + # only run initialization on an empty data directory + if [ -z "$DATABASE_ALREADY_EXISTS" ]; then + docker_verify_minimum_env + + # 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 + + echo + echo 'PostgreSQL init process complete; ready for start up.' + echo + else + echo + echo 'PostgreSQL Database directory appears to contain a database; Skipping initialization' + echo + fi + fi + + exec "$@" +} + +if ! _is_sourced; then + _main "$@" +fi \ No newline at end of file diff --git a/README.md b/README.md new file mode 100644 index 0000000..e69de29