Try and ensure tile server use an integer number of listen buckets

[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
index 219c45dd4f07dd81387b5bd51e98555cb8dbfc14..431021b2e409042e427d6e34d7c778cad7936442 100644 (file)
--- a/cookbooks/tile/files/default/bin/expire-tiles-single
+++ b/cookbooks/tile/files/default/bin/expire-tiles-single
@@ -12,8 +12,7 @@ EXPIRY_TIME = 946681200 # 2000-01-01 00:00:00
 # width/height of the spherical mercator projection
 SIZE = 40075016.6855784
 
-proj_wsg84 = pyproj.Proj(init='epsg:4326')
-proj_merc = pyproj.Proj(init='epsg:3857')
+proj_transformer = pyproj.Transformer.from_crs('epsg:4326', 'epsg:3857', always_xy = True)
 
 class TileCollector(o.SimpleHandler):
 
@@ -29,7 +28,7 @@ class TileCollector(o.SimpleHandler):
             return
 
         lat = max(-85, min(85.0, location.lat))
-        x, y = pyproj.transform(proj_wsg84, proj_merc, location.lon, lat)
+        x, y = proj_transformer.transform(location.lon, lat)
 
         # renormalise into unit space [0,1]
         x = 0.5 + x / SIZE
@@ -81,9 +80,10 @@ def xyz_to_meta(x, y, z, meta_size):
 def expire_meta(meta):
     """Expire the meta tile by setting the modified time back.
     """
-    if os.path.exists(meta):
-        print("Expiring " + meta)
+    exists = os.path.exists(meta)
+    if exists:
         os.utime(meta, (EXPIRY_TIME, EXPIRY_TIME))
+    return exists
 
 
 def expire_meta_tiles(options):
@@ -107,8 +107,11 @@ def expire_meta_tiles(options):
             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:
-            expire_meta(meta)
+            if expire_meta(meta):
+                expired += 1
+        print("Expired {0} tiles at zoom {1}".format(expired, z))
 
         # continue with parent tiles
         tile_set = new_set