From 1def298119502a8aaf58ba431286e63a7f38e046 Mon Sep 17 00:00:00 2001 From: Richard van der Hoff <1389908+richvdh@users.noreply.github.com> Date: Wed, 17 Jul 2019 17:47:07 +0100 Subject: [PATCH] Improve `Depends` specs in debian package. (#5675) This is basically a contrived way of adding a `Recommends` on `libpq5`, to fix #5653. The way this is supposed to happen in debhelper is to run `dh_shlibdeps`, which in turn runs `dpkg-shlibdeps`, which spits things out into `debian/.substvars` whence they can later be included by `control`. Previously, we had disabled `dh_shlibdeps`, mostly because `dpkg-shlibdeps` gets confused about PIL's interdependent objects, but that's not really the right thing to do and there is another way to work around that. Since we don't always use postgres, we don't necessarily want a hard Depends on libpq5, so I've actually ended up adding an explicit invocation of `dpkg-shlibdeps` for `psycopg2`. I've also updated the build-depends list for the package, which was missing a couple of entries. --- changelog.d/5675.doc | 1 + debian/changelog | 3 +++ debian/control | 7 +++++++ debian/rules | 14 ++++++++++++++ docker/Dockerfile-dhvirtualenv | 3 +++ docs/postgres.rst | 8 +++++--- 6 files changed, 33 insertions(+), 3 deletions(-) create mode 100644 changelog.d/5675.doc diff --git a/changelog.d/5675.doc b/changelog.d/5675.doc new file mode 100644 index 000000000..4cd4d0be1 --- /dev/null +++ b/changelog.d/5675.doc @@ -0,0 +1 @@ +Minor tweaks to postgres documentation. diff --git a/debian/changelog b/debian/changelog index b964cf90a..8aba444f1 100644 --- a/debian/changelog +++ b/debian/changelog @@ -3,6 +3,9 @@ matrix-synapse-py3 (1.1.0-1) UNRELEASED; urgency=medium [ Amber Brown ] * Update logging config defaults to match API changes in Synapse. + [ Richard van der Hoff ] + * Add Recommends and Depends for some libraries which you probably want. + -- Erik Johnston Thu, 04 Jul 2019 13:59:02 +0100 matrix-synapse-py3 (1.1.0) stable; urgency=medium diff --git a/debian/control b/debian/control index 4abfa0205..9e679c9d4 100644 --- a/debian/control +++ b/debian/control @@ -2,16 +2,20 @@ Source: matrix-synapse-py3 Section: contrib/python Priority: extra Maintainer: Synapse Packaging team +# keep this list in sync with the build dependencies in docker/Dockerfile-dhvirtualenv. Build-Depends: debhelper (>= 9), dh-systemd, dh-virtualenv (>= 1.1), + libsystemd-dev, + libpq-dev, lsb-release, python3-dev, python3, python3-setuptools, python3-pip, python3-venv, + libsqlite3-dev, tar, Standards-Version: 3.9.8 Homepage: https://github.com/matrix-org/synapse @@ -28,9 +32,12 @@ Depends: debconf, python3-distutils|libpython3-stdlib (<< 3.6), ${misc:Depends}, + ${shlibs:Depends}, ${synapse:pydepends}, # some of our scripts use perl, but none of them are important, # so we put perl:Depends in Suggests rather than Depends. +Recommends: + ${shlibs1:Recommends}, Suggests: sqlite3, ${perl:Depends}, diff --git a/debian/rules b/debian/rules index 05cbbdde0..a4d2ce2ba 100755 --- a/debian/rules +++ b/debian/rules @@ -3,15 +3,29 @@ # Build Debian package using https://github.com/spotify/dh-virtualenv # +# assume we only have one package +PACKAGE_NAME:=`dh_listpackages` + override_dh_systemd_enable: dh_systemd_enable --name=matrix-synapse override_dh_installinit: dh_installinit --name=matrix-synapse +# we don't really want to strip the symbols from our object files. override_dh_strip: override_dh_shlibdeps: + # make the postgres package's dependencies a recommendation + # rather than a hard dependency. + find debian/$(PACKAGE_NAME)/ -path '*/site-packages/psycopg2/*.so' | \ + xargs dpkg-shlibdeps -Tdebian/$(PACKAGE_NAME).substvars \ + -pshlibs1 -dRecommends + + # all the other dependencies can be normal 'Depends' requirements, + # except for PIL's, which is self-contained and which confuses + # dpkg-shlibdeps. + dh_shlibdeps -X site-packages/PIL/.libs -X site-packages/psycopg2 override_dh_virtualenv: ./debian/build_virtualenv diff --git a/docker/Dockerfile-dhvirtualenv b/docker/Dockerfile-dhvirtualenv index ceedbad68..0117ab8bc 100644 --- a/docker/Dockerfile-dhvirtualenv +++ b/docker/Dockerfile-dhvirtualenv @@ -43,6 +43,9 @@ RUN cd dh-virtualenv-1.1 && dpkg-buildpackage -us -uc -b FROM ${distro} # Install the build dependencies +# +# NB: keep this list in sync with the list of build-deps in debian/control +# TODO: it would be nice to do that automatically. RUN apt-get update -qq -o Acquire::Languages=none \ && env DEBIAN_FRONTEND=noninteractive apt-get install \ -yqq --no-install-recommends -o Dpkg::Options::=--force-unsafe-io \ diff --git a/docs/postgres.rst b/docs/postgres.rst index 0ae52ccbd..e08a5116b 100644 --- a/docs/postgres.rst +++ b/docs/postgres.rst @@ -11,7 +11,9 @@ a postgres database. * If you are using the `matrix.org debian/ubuntu packages <../INSTALL.md#matrixorg-packages>`_, - the necessary libraries will already be installed. + the necessary python library will already be installed, but you will need to + ensure the low-level postgres library is installed, which you can do with + ``apt install libpq5``. * For other pre-built packages, please consult the documentation from the relevant package. @@ -34,7 +36,7 @@ Assuming your PostgreSQL database user is called ``postgres``, create a user su - postgres createuser --pwprompt synapse_user -Before you can authenticate with the ``synapse_user``, you must create a +Before you can authenticate with the ``synapse_user``, you must create a database that it can access. To create a database, first connect to the database with your database user:: @@ -53,7 +55,7 @@ and then run:: This would create an appropriate database named ``synapse`` owned by the ``synapse_user`` user (which must already have been created as above). -Note that the PostgreSQL database *must* have the correct encoding set (as +Note that the PostgreSQL database *must* have the correct encoding set (as shown above), otherwise it will not be able to store UTF8 strings. You may need to enable password authentication so ``synapse_user`` can connect