Arvados

Alexander,

Filtering by portable data hash the way you showed should work. For example, if I search for empty collections in our public trial cluster (using my admin account), I see that there are many thanks to the items_available field:

% arv collection list -f '[["portable_data_hash", "=", "d41d8cd98f00b204e9800998ecf8427e+0"]]' --limit=0
{
 "kind":"arvados#collectionList",
 "etag":"",
 "self_link":"",
 "offset":0,
 "limit":0,
 "items":[],
 "items_available":5081
}

Without the filters, I see almost 100,000 collections, so they definitely have an effect.

Are you able to show more specifically what you're doing, in code or a terminal session, that's not working as you expect? That might help us see the problem better.

Brett, thanks for reply.

Yep, here what I just did (HTTP requests made via Postman to my local Arvados instance):

POST /arvados/v1/collections HTTP/1.1
Host: ...
Authorization: OAuth2 ...
Content-Type: application/json
Cache-Control: no-cache
Postman-Token: ...

{}

Response:

{
  ...
  "portable_data_hash": "d41d8cd98f00b204e9800998ecf8427e+0",
  ...
}

Now I try:

GET /arvados/v1/collections?filters=[["portable_data_hash","=","d41d8cd98f00b204e9800998ecf8427e+0"]] HTTP/1.1
Host: ...
Authorization: OAuth2 ...
Content-Type: application/json
Cache-Control: no-cache
Postman-Token: ...

As a result:

{
  "kind": "arvados#collectionList",
  "etag": "",
  "self_link": "",
  "offset": 0,
  "limit": 100,
  "items": [],
  "items_available": 0
}

Alexander,

Are your filters getting URL-encoded? If that doesn't happen, you get a response as if your filters matched nothing:

% GET -H 'Authorization: OAuth2 ...' 'https://qr1hi.arvadosapi.com/arvados/v1/collections?filters=[["portable_data_hash","=","d41d8cd98f00b204e9800998ecf8427e+0"]]&limit=0'
{"kind":"arvados#collectionList","etag":"","self_link":"","offset":0,"limit":0,"items":[],"items_available":0}

% GET -H 'Authorization: OAuth2 ...' 'https://qr1hi.arvadosapi.com/arvados/v1/collections?filters=%5B%5B%22portable_data_hash%22%2C+%22%3D%22%2C+%22d41d8cd98f00b204e9800998ecf8427e%2B0%22%5D%5D&limit=0'
{"kind":"arvados#collectionList","etag":"","self_link":"","offset":0,"limit":0,"items":[],"items_available":5081}

Does that solve your issue?