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October 21, 2015 04:45
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Sync over S3 buckets
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from boto.s3.connection import S3Connection as Connection | |
import sys,time,threading | |
source, destination = sys.argv[1:] | |
srcconnection = Connection() | |
dstconnection = Connection() | |
source = srcconnection.get_bucket(source) | |
destination = dstconnection.lookup(destination) or dstconnection.create_bucket(destination) | |
print "Building file list..." | |
items = [] | |
for k in source.list(): #prefix="images/categories"): | |
#if len(items) == 60: break | |
items.append(k) | |
print "%i items found. removing existing keys in destination from list"%len(items) | |
print "Verifying keys.." | |
final_items = [] | |
src_lock = threading.Lock() | |
dest_lock = threading.Lock() | |
def dest_name(src_name): | |
return src_name #"oldsite/media/"+src_name | |
def verify_key(): | |
i=0 | |
while len(items): | |
src_lock.acquire() | |
n = items.pop() | |
src_lock.release() | |
if n != None: | |
i+=1 | |
if i%100 == 99: | |
print "%s processed %i items"%(threading.currentThread().getName(),i) | |
if not destination.get_key(dest_name(n.name)): | |
dest_lock.acquire() | |
final_items.append(n) | |
dest_lock.release() | |
threads = [] | |
for i in range(50): | |
t = threading.Thread(target=verify_key,name="t%i"%i) | |
t.start() | |
threads.append(t) | |
for t in threads: | |
t.join() | |
print "reduced target list to %i items"%len(final_items) | |
print "preparing to copy %i items from %s to %s"%(len(final_items),source,destination) | |
print "Hit CTRL-C to cancel now!" | |
#sys.exit(1) | |
time.sleep(5) | |
copy_lock = threading.Lock() | |
def copy_key(): | |
i=0 | |
while len(final_items): | |
copy_lock.acquire() | |
src_key = final_items.pop() | |
copy_lock.release() | |
if src_key != None: | |
i+=1 | |
if i%100 == 99: | |
print "%s copied %i items"%(threading.currentThread().getName(),i) | |
newKey = destination.copy_key(dest_name(src_key.name),source.name,src_key.name,preserve_acl=True) | |
print "copying %s from %s to %s %s"%(src_key,source,destination,dest_name(src_key.name)) | |
threads = [] | |
for i in range(50): | |
t = threading.Thread(target=copy_key,name="ct%i"%i ) | |
t.start() | |
threads.append(t) | |
for t in threads: | |
t.join() |
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