3 # DO NOT EDIT - This file is being maintained by Chef
5 # Before running updates, the replication needs to be set up with the timestamp
6 # set to the day of the latest planet dump. Setting to midnight ensures we get
7 # conistent data after first run. osmosis --read-replication-interval-init is
8 # used to initially create the state file
12 [ -f state-prev.txt ] && mv state-prev.txt state.txt
15 # Send output to the log
16 exec > /var/log/tile/replicate.log 2>&1
18 # Change to the replication state directory
21 # Install exit handler
24 # Read in initial state
30 # Work out the name of the next file
31 file="changes-${sequenceNumber}.osc.gz"
33 # Save state file so we can rollback if an error occurs
34 cp state.txt state-prev.txt
36 # Fetch the next set of changes
37 osmosis --read-replication-interval --simc --write-xml-change file="${file}" compressionMethod="gzip"
42 # Enable exit on error
45 # Remember the previous sequence number
46 prevSequenceNumber=$sequenceNumber
51 # Did we get any new data?
52 if [ "${sequenceNumber}" == "${prevSequenceNumber}" ]
54 # Log the lack of data
55 echo "No new data available. Sleeping..."
57 # Remove file, it will just be an empty changeset
60 # No need to rollback now
63 # Sleep for a short while
67 echo "Fetched new data from ${prevSequenceNumber} to ${sequenceNumber} into ${file}"
69 # Apply the changes to the database
70 osm2pgsql --database gis --slim --append --number-processes=1 \
71 <% if node[:tile][:node_file] -%>
72 --flat-nodes=<%= node[:tile][:node_file] %> \
74 <% if node[:tile][:styles][:default][:revision] >= "v4.0.0" -%>
75 --multi-geometry --hstore \
76 --style=/srv/tile.openstreetmap.org/styles/default/openstreetmap-carto.style \
77 --tag-transform-script=/srv/tile.openstreetmap.org/styles/default/openstreetmap-carto.lua \
81 # No need to rollback now
84 # Queue these changes for expiry processing
85 ln ${file} expire-queue/$file
88 # Delete old downloads
89 find . -name 'changes-*.gz' -mmin +300 -exec rm -f {} \;
91 # Disable exit on error
94 # Log our failure to fetch changes
95 echo "Failed to fetch changes - waiting a few minutes before retry"
97 # Wait five minutes and have another go