Another question. I have this code in my app, so that when someone comes in
with an old key, my code will quietly convert it to the new app-id:
from google.appengine.api.app_identity import get_application_id
appname = get_application_id()
@monkeypatch_method(webapp.Request)
def get_db(self, key_attr):
k = self.get(key_attr)
if not k:
return None
key = db.Key(k)
if key.app() == appname:
return db.get(key)
logging.info("Fixing up key from old app %s (%s=%s)" % ( key.app() , key_attr
, k ))
fixed_key = db.Key.from_path(*key.to_path())
return db.get(fixed_key)
So what's happening is it is "fixing up" every key, because
get_application_id() doesn't have "s~" on the front.
What should I call to get the app id used in Keys? (The one with the s~ in
front?)
(BTW: This approach turned out to be a real time-saver for migrating my blobs.
I could pass the old version keys from the new HR version, and it fixed them up
into its own namespace without my having to even think about it.)
-Joshua
On Nov 11, 2011, at 1:16 PM, Joshua Smith wrote:
> OK, so the migration from MS to HR was really fast, and I ran into no
> problems. Woo hoo!
>
> I didn't do the alias step, because I now need to figure out how to move my
> old blobs into the new app, and I suspect that if I did the alias that would
> get really, really hard. Right?
>
> So instead, I changed the mapping of my www.myapp.com to point to the HR
> version using google apps domain management. Seems to have worked. Woo hoo
> again!
>
> How do I get my post-migration email budget back up to 2000? App ID of the
> new app is towngovernment-hr
>
> Now to move the blobs...
>
> On Nov 10, 2011, at 9:49 AM, Joshua Smith wrote:
>
>> Guess I know what I'll be doing on my day off tomorrow.
>>
>> In case anyone didn't notice this in the docs:
>>
>> Currently, the HRD Migration Tool does not support copying data from
>> Blobstore. If you use Blobstore, you need to manually copy that data over.
>>
>> Ugh. That's a pretty huge hole in the tool.
>>
>> Perhaps I know what I'll be doing all weekend…
>>
>> -Joshua
>>
>> On Nov 9, 2011, at 4:33 PM, Stacy (Google) wrote:
>>
>>> We’ve just released a new self service HRD migration tool. This tool
>>> copies all of your data to HRD minimizing read-only times by using a
>>> multi-phase approach. Please see the documentation for details on how to
>>> use this. This tool is still considered experimental, please report
>>> problems you experience here in the forum or to the external issue
>>> tracker.We are still working on solutions for users of blobstore.
>>> Using HRD makes your app eligible for our SLA, and will lead to much better
>>> availability and more consistent performance. We think every app will
>>> benefit from the switch to HRD.
>>>
>>> Stacy
>>>
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