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Merge pull request #2685 from kkimurak/install-pgsql-client-based-on-server-version
Use a version of `postgresql-client` that matches the server version
This commit is contained in:
Steven Achilles
GitHub
commit
377fb0e9ad
@ -44,7 +44,8 @@ RUN set -ex && \
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&& apt-get update \
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&& DEBIAN_FRONTEND=noninteractive apt-get install --no-install-recommends -y \
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sudo supervisor logrotate locales curl \
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nginx openssh-server postgresql-client-12 postgresql-contrib-12 redis-tools \
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nginx openssh-server postgresql-contrib redis-tools \
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postgresql-client-12 postgresql-client-13 postgresql-client-14 postgresql-client-15 \
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python3 python3-docutils nodejs yarn gettext-base graphicsmagick \
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libpq5 zlib1g libyaml-0-2 libssl1.1 \
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libgdbm6 libreadline8 libncurses5 libffi7 \
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24
README.md
24
README.md
@ -240,6 +240,30 @@ GitLab uses a database backend to store its data. You can configure this image t
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#### PostgreSQL
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**Important note:** This image is shipped with different versions of the `postgresql-client`.
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During the startup of the container, the major version of the database system is checked based on the specified connection destination. Only the version of the `postgresql-client`, that matches the major version of the Postgres database is used. If the major version of any version of the included clients does not match, the latest client is used (but may causes issues). All other versions of the `postgresql-client` are deleted at runtime.
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This behavior can be checked using the command `docker logs` and an output like the following should be available:
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````sh
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…
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Configuring gitlab::database
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- Installing postgresql client to avoid version mismatch on dumping
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-- Detected server version: 140007
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- Generating /home/git/.postgresqlrc
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14 postgresql:5432 gitlabhq_production
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- Uninstalling unused client(s): postgresql-client-12 postgresql-client-13 postgresql-client-15
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…
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````
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Please note furthermore, that only combatible versions of the `postgresql-client` to GitLab are shipped with this image. Currently these belogn to
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- `postgresql-client-12`,
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- `postgresql-client-13`,
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- `postgresql-client-14`,
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- and `postgresql-client-15`.
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*NOTE:* version 13.7.0 and later requires PostgreSQL version 12.x
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##### External PostgreSQL Server
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@ -149,7 +149,7 @@ gitlab_finalize_database_parameters() {
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gitlab_check_database_connection() {
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prog=$(find /usr/lib/postgresql/ -name pg_isready)
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prog=$(find /usr/lib/postgresql/ -name pg_isready -type f | sort | tail -n1)
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prog="${prog} -h ${DB_HOST} -p ${DB_PORT} -U ${DB_USER} -d ${DB_NAME} -t 1"
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timeout=60
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@ -167,11 +167,89 @@ gitlab_check_database_connection() {
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echo
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}
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gitlab_generate_postgresqlrc() {
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echo "Configuring /home/${GITLAB_USER}/.postgresqlrc to avoid version mismatch on dumping"
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# server_version_num property is a number built from version string:
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# https://www.postgresql.org/docs/15/libpq-status.html#LIBPQ-PQSERVERVERSION
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# > The result is formed by multiplying the server's major version number by 10000 and adding the minor version number.
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# > For example, version 10.1 will be returned as 100001, and version 11.0 will be returned as 110000. Zero is returned if the connection is bad.
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# >
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# > Prior to major version 10, PostgreSQL used three-part version numbers in which the first two parts together represented the major version.
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# > For those versions, PQserverVersion uses two digits for each part;
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# > for example version 9.1.5 will be returned as 90105, and version 9.2.0 will be returned as 90200.
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#
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# This difference also appends to apt package name.
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# For example, in ubuntu:focal, postgresql-client-{8.2, 8.3, 8.4, 9.0, 9.1, 9.2, 9.3, 9.4, 9.5, 9.6, 10, 11, 12, 13, 14, 15} are available.
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#
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DB_SERVER_VERSION=$(PGPASSWORD=${DB_PASS} psql -h "${DB_HOST}" -p "${DB_PORT}" -U "${DB_USER}" -d "${DB_NAME}" -Atw -c "SHOW server_version_num")
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if [[ "${DB_SERVER_VERSION}" -eq 0 ]]; then
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echo
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echo "Could not retrieve database server version correctly. Aborting..."
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return 1
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fi
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echo "- Detected server version: ${DB_SERVER_VERSION}"
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# Anyway, we can get major version (8, 9, 10 and so on) by dividing by 10000.
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# DB_SERVER_VERSION_MAJOR=${DB_SERVER_VERSION%%.*}
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DB_SERVER_VERSION_MAJOR=$((DB_SERVER_VERSION/10000))
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DB_CLIENT_VERSION_PACKAGE_NAME=
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if [[ "${DB_SERVER_VERSION_MAJOR}" -ge 10 ]]; then
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# v10 or later: use "rought major version" as version number in package name
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DB_CLIENT_VERSION_PACKAGE_NAME=${DB_SERVER_VERSION_MAJOR}
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else
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# prior to v10: convert
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# FIXME: rough implementation
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# It exploits the fact that there is no version such as 9.10, and it lacks versatility.
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# divide by 100, then replace first 0 to comma
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DB_CLIENT_VERSION_PACKAGE_NAME=$((DB_SERVER_VERSION/100))
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DB_CLIENT_VERSION_PACKAGE_NAME=${DB_CLIENT_VERSION_PACKAGE_NAME/0/.}
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fi
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# if exact-match client not found, select latest version from installed clients
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if [[ "$(apt-cache pkgnames postgresql-client | grep -e "-${DB_CLIENT_VERSION_PACKAGE_NAME}" | wc -l)" -ne 1 ]]; then
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LATEST_CLIENT="$(apt-cache pkgnames postgresql-client | grep -v -e "-common" | sort --version-sort | tail -n1)"
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DB_CLIENT_VERSION_PACKAGE_NAME=${LATEST_CLIENT/postgresql-client-/}
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echo "gitlab_generate_postgresqlrc(): WARNING - Suitable client not installed. postgresql-client-${DB_CLIENT_VERSION_PACKAGE_NAME} will be used but you may face issue (database in backup will be empty, for example)"
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fi
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# generate ~/.postgresqlrc to switch client version
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GITLAB_USER_POSTGRESQLRC="/home/${GITLAB_USER}/.postgresqlrc"
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echo "- Generating ${GITLAB_USER_POSTGRESQLRC}"
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echo "${DB_CLIENT_VERSION_PACKAGE_NAME} ${DB_HOST}:${DB_PORT} ${DB_NAME}" | exec_as_git tee "${GITLAB_USER_POSTGRESQLRC}"
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}
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gitlab_uninstall_unused_database_client() {
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if [[ -f "/home/${GITLAB_USER}/.postgresqlrc" ]]; then
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# refer /home/${GITLAB_USER}/.postgresqlrc and pick up versions in use
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# .postgresqlrc contains following information per line
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# database_major_version host:port database_name
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# - ignore lines starts with # by specifying pattern /^[^#]/
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# - first field is the version number in use.
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# - cocnat whole lines into single string. convert newline to \|
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# this is escaped regex "OR"
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# now we got the following regex that can be used as an option to grep:
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# \|-12\|-13
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DB_CLIENT_VERSIONS_IN_USE="$(awk '/^[^#]/ {printf("\|-%s",$1)}' "/home/${GITLAB_USER}/.postgresqlrc")"
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# we also need to keep postgresql-client-common package to switch based on ~/.postgresqlrc
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REGEX_DB_CLIENT_VERSIONS_IN_USE="-common${DB_CLIENT_VERSIONS_IN_USE}"
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# remove unused client using regex above
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UNUSED_DB_CLIENTS=$(apt-cache pkgnames postgresql-client | grep -v -e "${REGEX_DB_CLIENT_VERSIONS_IN_USE}" | tr '\n' ' ')
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echo "- Uninstalling unused client(s): ${UNUSED_DB_CLIENTS}"
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DEBIAN_FRONTEND=noninteractive apt-get -qq remove -- ${UNUSED_DB_CLIENTS} >/dev/null
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fi
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}
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gitlab_configure_database() {
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echo -n "Configuring gitlab::database"
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gitlab_finalize_database_parameters
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gitlab_check_database_connection
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gitlab_generate_postgresqlrc
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gitlab_uninstall_unused_database_client
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update_template ${GITLAB_DATABASE_CONFIG} \
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DB_ENCODING \
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