ced8ac86ab
This repo contains code for three functions to be loaded into PostgreSQL as a shared library: 1. `maptile_for_point`, which is used only by the `/changes` API call. This API call is little-used and IMHO should be deprecated and removed. However, even now it's hardly on the hot path for most development activities. 2. `tile_for_point`, which is used only in migrations. At this point, it seems unlikely that anyone will be doing a migration on existing data which would call this function (most developers will be running migrations on an empty database, to set it up). 3. `xid_to_int4`, which is only used for replication using Osmosis and isn't used in the Rails code at all. Hopefully this will be replaced Real Soon Now, but until then it's a quite advanced feature that most developers won't need. Therefore, this patch proposes to replace the above three shared library functions with SQL implementations of the first two. These are _much_ slower - by a factor of about 30x, however this makes no difference when they're run on a completely empty database. In return, we're able to drop a dependency on the PostgreSQL server development package, and clean a few lines out of the installation instructions. It's still possible to make and install the shared library functions, and I've included instructions about how to do that - although it shouldn't be necessary for the vast majority of `openstreetmap-website` developers.
66 lines
2.9 KiB
Bash
66 lines
2.9 KiB
Bash
#!/usr/bin/env bash
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# abort on error
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set -e
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# set locale to UTF-8 compatible. apologies to non-english speakers...
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locale-gen en_GB.utf8
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update-locale LANG=en_GB.utf8 LC_ALL=en_GB.utf8
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export LANG=en_GB.utf8
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export LC_ALL=en_GB.utf8
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# make sure we have up-to-date packages
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apt-get update
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# upgrade all packages
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apt-get upgrade -y
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# install packages as explained in INSTALL.md
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apt-get install -y ruby2.5 libruby2.5 ruby2.5-dev \
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libmagickwand-dev libxml2-dev libxslt1-dev nodejs \
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apache2 apache2-dev build-essential git-core phantomjs \
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postgresql postgresql-contrib libpq-dev \
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libsasl2-dev imagemagick libffi-dev libgd-dev libarchive-dev libbz2-dev
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gem2.5 install rake
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gem2.5 install --version "~> 1.16.2" bundler
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## install the bundle necessary for openstreetmap-website
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pushd /srv/openstreetmap-website
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# do bundle install as a convenience
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bundle install --retry=10 --jobs=2
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# create user and database for openstreetmap-website
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db_user_exists=`sudo -u postgres psql postgres -tAc "select 1 from pg_roles where rolname='vagrant'"`
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if [ "$db_user_exists" != "1" ]; then
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sudo -u postgres createuser -s vagrant
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sudo -u vagrant createdb -E UTF-8 -O vagrant openstreetmap
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sudo -u vagrant createdb -E UTF-8 -O vagrant osm_test
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# add btree_gist extension
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sudo -u vagrant psql -c "create extension btree_gist" openstreetmap
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sudo -u vagrant psql -c "create extension btree_gist" osm_test
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fi
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# install PostgreSQL functions
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sudo -u vagrant psql -d openstreetmap -f db/functions/functions.sql
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################################################################################
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# *IF* you want a vagrant image which supports replication (or perhaps you're
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# using this script to provision some other server and want replication), then
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# uncomment the following lines (until popd) and comment out the one above
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# (functions.sql).
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################################################################################
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#pushd db/functions
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#sudo -u vagrant make
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#sudo -u vagrant psql openstreetmap -c "CREATE OR REPLACE FUNCTION maptile_for_point(int8, int8, int4) RETURNS int4 AS '/srv/openstreetmap-website/db/functions/libpgosm.so', 'maptile_for_point' LANGUAGE C ST#RICT"
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#sudo -u vagrant psql openstreetmap -c "CREATE OR REPLACE FUNCTION tile_for_point(int4, int4) RETURNS int8 AS '/srv/openstreetmap-website/db/functions/libpgosm.so', 'tile_for_point' LANGUAGE C STRICT"
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#sudo -u vagrant psql openstreetmap -c "CREATE OR REPLACE FUNCTION xid_to_int4(xid) RETURNS int4 AS '/srv/openstreetmap-website/db/functions/libpgosm.so', 'xid_to_int4' LANGUAGE C STRICT"
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#popd
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# set up sample configs
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if [ ! -f config/database.yml ]; then
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sudo -u vagrant cp config/example.database.yml config/database.yml
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fi
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touch config/settings.local.yml
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# migrate the database to the latest version
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sudo -u vagrant bundle exec rake db:migrate
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popd
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