Drop support for old style tile server replication

[chef.git] / cookbooks / tile / files / default / bin / expire-tiles-single

diff --git a/cookbooks/tile/files/default/bin/expire-tiles-single b/cookbooks/tile/files/default/bin/expire-tiles-single
deleted file mode 100644 (file)
index 431021b..0000000
--- a/cookbooks/tile/files/default/bin/expire-tiles-single
+++ /dev/null
@@ -1,144 +0,0 @@
-#!/usr/bin/python3
-"""
-Expire meta tiles from a OSM change file by resetting their modified time.
-"""
-
-import argparse
-import os
-import osmium as o
-import pyproj
-
-EXPIRY_TIME = 946681200 # 2000-01-01 00:00:00
-# width/height of the spherical mercator projection
-SIZE = 40075016.6855784
-
-proj_transformer = pyproj.Transformer.from_crs('epsg:4326', 'epsg:3857', always_xy = True)
-
-class TileCollector(o.SimpleHandler):
-
-    def __init__(self, node_cache, zoom):
-        super(TileCollector, self).__init__()
-        self.node_cache = o.index.create_map("dense_file_array," + node_cache)
-        self.done_nodes = set()
-        self.tile_set = set()
-        self.zoom = zoom
-
-    def add_tile_from_node(self, location):
-        if not location.valid():
-            return
-
-        lat = max(-85, min(85.0, location.lat))
-        x, y = proj_transformer.transform(location.lon, lat)
-
-        # renormalise into unit space [0,1]
-        x = 0.5 + x / SIZE
-        y = 0.5 - y / SIZE
-        # transform into tile space
-        x = x * 2**self.zoom
-        y = y * 2**self.zoom
-        # chop of the fractional parts
-        self.tile_set.add((int(x), int(y), self.zoom))
-
-    def node(self, node):
-        # we put all the nodes into the hash, as it doesn't matter whether the node was
-        # added, deleted or modified - the tile will need updating anyway.
-        self.done_nodes.add(node.id)
-        self.add_tile_from_node(node.location)
-
-    def way(self, way):
-        for n in way.nodes:
-            if not n.ref in self.done_nodes:
-                self.done_nodes.add(n.ref)
-                try:
-                    self.add_tile_from_node(self.node_cache.get(n.ref))
-                except KeyError:
-                    pass # no coordinate
-
-
-def xyz_to_meta(x, y, z, meta_size):
-    """ Return the file name of a meta tile.
-        This must match the definition of xyz to meta in mod_tile.
-    """
-    # mask off the final few bits
-    x = x & ~(meta_size - 1)
-    y = y & ~(meta_size - 1)
-
-    # generate the path
-    path = None
-    for i in range(0, 5):
-        part = str(((x & 0x0f) << 4) | (y & 0x0f))
-        x = x >> 4
-        y = y >> 4
-        if path is None:
-            path = (part + ".meta")
-        else:
-            path = os.path.join(part, path)
-
-    return os.path.join(str(z), path)
-
-
-def expire_meta(meta):
-    """Expire the meta tile by setting the modified time back.
-    """
-    exists = os.path.exists(meta)
-    if exists:
-        os.utime(meta, (EXPIRY_TIME, EXPIRY_TIME))
-    return exists
-
-
-def expire_meta_tiles(options):
-    proc = TileCollector(options.node_cache, options.max_zoom)
-    proc.apply_file(options.inputfile)
-
-    tile_set = proc.tile_set
-
-    # turn all the tiles into expires, putting them in the set
-    # so that we don't expire things multiple times
-    for z in range(options.min_zoom, options.max_zoom + 1):
-        meta_set = set()
-        new_set = set()
-        for xy in tile_set:
-            meta = xyz_to_meta(xy[0], xy[1], xy[2], options.meta_size)
-
-            for tile_dir in options.tile_dir:
-                meta_set.add(os.path.join(tile_dir, meta))
-
-            # add the parent into the set for the next round
-            new_set.add((int(xy[0]/2), int(xy[1]/2), xy[2] - 1))
-
-        # expire all meta tiles
-        expired = 0
-        for meta in meta_set:
-            if expire_meta(meta):
-                expired += 1
-        print("Expired {0} tiles at zoom {1}".format(expired, z))
-
-        # continue with parent tiles
-        tile_set = new_set
-
-if __name__ == '__main__':
-
-    parser = argparse.ArgumentParser(description=__doc__,
-                                     formatter_class=argparse.RawDescriptionHelpFormatter,
-                                     usage='%(prog)s [options] <inputfile>')
-    parser.add_argument('--min', action='store', dest='min_zoom', default=13,
-                        type=int,
-                        help='Minimum zoom for expiry.')
-    parser.add_argument('--max', action='store', dest='max_zoom', default=20,
-                        type=int,
-                        help='Maximum zoom for expiry.')
-    parser.add_argument('-t', action='append', dest='tile_dir', default=None,
-                        required=True,
-                        help='Tile directory (repeat for multiple directories).')
-    parser.add_argument('--meta-tile-size', action='store', dest='meta_size',
-                        default=8, type=int,
-                        help='The size of the meta tile blocks.')
-    parser.add_argument('--node-cache', action='store', dest='node_cache',
-                        default='/store/database/nodes',
-                        help='osm2pgsql flatnode file.')
-    parser.add_argument('inputfile',
-                        help='OSC input file.')
-
-    options = parser.parse_args()
-
-    expire_meta_tiles(options)