Get project ID from JSON credentials file by daspecster · Pull Request #1813 · googleapis/google-cloud-python

daspecster · 2016-05-23T13:21:29Z

This is a possible resolution to #1792, making it easier to follow along with the documentation.

I looked for a way to clarify the documentation for this but it looks like this should make it work in the way that the documentation shows already.

jgeewax · 2016-05-23T13:30:41Z

Do we have tests that make sure the gcloud auth login case works as expected?

In other words, we need to follow the same policy of grabbing project IDs, trying the following in order to grab project ID from...

explicitly in code
the environment variable
gcloud's environment (gcloud config list project)
the service account credentials
- hopefully this covers the GCE / GAE scenario

(I think that's the right order at least...)

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+ import os
+ import tempfile
+ with tempfile.NamedTemporaryFile() as credential_file:
+ credential_file.write('{"project_id": "test-project-id"}')


daspecster · 2016-05-23T16:33:11Z

To get this to work with the happy path that @jgeewax mentioned(gcloud auth login), what would be the best way to programatically access gcloud config list project which I believe is reading the project key from ~/.config/gcloud/configurations/config_default?

dhermes · 2016-05-23T16:52:43Z

I'm not sure. @jgeewax do we have a gcloud CLI point person that can tell us? @daspecster we could assume that it is correct, or we could just use a system call to get the project?

As for putting it with auth, we can at least agree that this is configuration and not auth? So we should work to find a place. We usually discuss config in each usage doc, but you could start a new gcloud-config doc and then refer to it from all the usage docs.

daspecster · 2016-05-23T16:54:45Z

I can do the gcloud config list project system call for now and if there's a better way we can find it.

Ok cool, thanks @dhermes! I'll make a configuration doc.

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+ :rtype: str or ``NoneType``
+ :returns: Project-ID from ``gcloud info`` else ``None``
+ """
+ command = subprocess.Popen(['gcloud info'],


daspecster · 2016-05-27T18:41:03Z

@dhermes @tseaver @jonparrott
Do we want to try and use something like this or drop it?
I'm not sure who to ask about properly accessing gcloud environment properties programmatically?

dhermes · 2016-05-27T18:52:48Z

Not sure either.

You should just use ${HOME}/.config/gcloud/configurations/config_default if it exists. You could use oauth2client.client._get_well_known_file. If the file isn't there or you can't parse it, don't fail for the user and just silently move on.
For a service account, the project ID is in the JSON key file, so you can just use the GOOGLE_APPLICATION_CREDENTIALS env. var. (this is what "Project was not passed" error, even though ran #1792 is actually asking for)

$ cat keyfile.json
{
"type": "service_account",
"project_id": "PROJECT",
"private_key_id": "...",
"private_key": "-----BEGIN PRIVATE KEY-----...-----END PRIVATE KEY-----\n",
"client_email": "foo@PROJECT.iam.gserviceaccount.com",
"client_id": "...",
"auth_uri": "https://accounts.google.com/o/oauth2/auth",
"token_uri": "https://accounts.google.com/o/oauth2/token",
"auth_provider_x509_cert_url": "https://www.googleapis.com/oauth2/v1/certs",
"client_x509_cert_url": "https://www.googleapis.com/robot/v1/metadata/x509/foo%40PROJECT.iam.gserviceaccount.com"
}

daspecster · 2016-05-27T19:04:39Z

@dhermes, so the only issue with grabbing it from GOOGLE_APPLICATION_CREDENTIALS, is that the GOOGLE_APPLICATION_CREDENTIALS environment variable isn't set when you just login with gcloud auth login.

Also, is that default file location the same for windows and linux both?

I saw oauth2client.client._get_well_known_file, but I also noticed this comment in that method.

TODO(orestica): Revisit this method once gcloud provides a better way
of pinpointing the exact location of the file.

So I wasn't sure what the story was there.

But I think using _get_well_known_file might be the best option if it works after gcloud auth login.

dhermes · 2016-05-27T19:06:44Z

@daspecster There should be a cascade of checks here just like there is for credentials. (i.e. so the absence of GOOGLE_APPLICATION_CREDENTIALS just means you move on to the next check)

dhermes · 2016-05-27T19:08:21Z

Also using _get_well_known_file (${HOME}/.config/gcloud/application_default_credentials.json) won't help get the file you want (${HOME}/.config/gcloud/configurations/config_default)

daspecster · 2016-05-27T19:11:22Z

Also, if I look back at #1792, the flow that happened there, GOOGLE_APPLICATION_CREDENTIALS wasn't set.

I can add that to the list of places to check but I think we're back to pulling it from the gcloud config?

dhermes · 2016-05-27T19:21:13Z

The current project-check cascade is:

DATASTORE_DATASET environment variable, set by gcd tool (only sometimes)
GCLOUD_PROJECT environment variable
App Engine App ID
GCE project ID

I'm suggesting you inject two more checks in there (not sure about the order yet):

Check for a project ID in a JSON svc. acct. keyfile specified by GOOGLE_APPLICATION_CREDENTIALS
Check in the ${HOME}/.config/gcloud/configurations/config_default file

For reference the cascade for credentials is:

GAE application ID service
filename via GOOGLE_APPLICATION_CREDENTIALS
the "well-known" file set by the gcloud CLI (${HOME}/.config/gcloud/application_default_credentials.json)
GCE instance creds

daspecster · 2016-05-27T20:02:52Z

Ok I will do that! Thanks again @dhermes!

daspecster · 2016-06-07T14:31:39Z

@dhermes @tseaver Can you guys let me know if this is good to go?

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+ >>> from gcloud import bigquery
+ >>> client = bigquery.Client()
+
+- :class:`Client <gcloud.client.Client>` objects hold both a ``project``


daspecster · 2016-06-14T20:34:56Z

@tseaver could you take a look at this real quick?
I think this is good to go but I we kind of left things hanging about raising an exception if the file is missing but I believe per @dhermes last comment that we're ok.

I'll merge if it looks good to you.

tseaver · 2016-06-14T21:11:23Z

Sorry, I was AFK waiting on a contractor. Looking this evening.

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 (?P<nanos>\d{1,9}) # nanoseconds, maybe truncated
 Z # Zulu
 """, re.VERBOSE)
+DEFAULT_CONFIGURATION_PATH = '~/.config/gcloud/configurations/config_default'


tseaver · 2016-06-15T18:42:22Z

LGTM whichever way you answer my question about passing the Windows config path in addition to the Unix-y one.

daspecster · 2016-06-15T19:03:10Z

@tseaver I added it!

win32_config_path=os.path.join(os.getenv('APPDATA', ''),
'gcloud\configurations\config_default')

I don't have a windows machine to test on though. Is there a way that we test gcloud-python on windows in general?

tseaver · 2016-06-15T21:35:41Z

@daspecster pylint doesn't like your backsplashes. I believe you could use forward-slashes there.

Is there a way that we test gcloud-python on windows in general?

We could look (again) into adding Appveyor CI.

daspecster · 2016-06-15T22:45:01Z

@tseaver I think I got it this time!

I just let python pick the slashes.

win32_config_path=os.path.join(os.getenv('APPDATA', ''),
'gcloud', 'configurations',
'config_default')

daspecster · 2016-06-15T22:56:19Z

@tseaver if this looks good to you, I'll merge.
I appreciate you guys helping with this. I think it'll make the end user experience for beginners a lot easier, at least I really hope it does.

tseaver · 2016-06-16T04:22:40Z

LGTM

dhermes · 2016-06-16T15:41:38Z

@tseaver RE: AppVeyor, we've had a build running for 4+ months. I can add you guys as admins if needed.

* chore: update owners * remove yoshi

This commit introduces unit tests for the `get_uid_stream` method in the `SequentialUIDGenerator` class. Fixes internal issue 416487613 Co-authored-by: google-labs-jules[bot] <161369871+google-labs-jules[bot]@users.noreply.github.com>

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tseaver added api: core auth labels May 23, 2016

tseaver reviewed May 23, 2016
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Comment threadgcloud/test__helpers.py
import os
import tempfile
with tempfile.NamedTemporaryFile() as credential_file:
credential_file.write('{"project_id": "test-project-id"}')
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daspecster force-pushed the project-id-from-credentials-file branch 3 times, most recently from 170dc66 to 5125599Compare May 25, 2016 16:02

daspecster reviewed May 25, 2016
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daspecster force-pushed the project-id-from-credentials-file branch from 43157db to 4c686beCompare May 27, 2016 19:07

dhermes reviewed Jun 7, 2016
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Comment threaddocs/gcloud-config.rst Outdated
>>> from gcloud import bigquery
>>> client = bigquery.Client()

- :class:`Client <gcloud.client.Client>` objects hold both a ``project``
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daspecster added 12 commits June 13, 2016 18:24

Add project ID from credentials.
a437715

Update docs mentioning default project.
67a4b54

Add context file handling, fix no env test.
078220c

add gcloud-config.rst
2fdbfa4

Add Docs and Service account project ID
ceeaddf

Switch to Popen for py26
efdfa92

Capture gcloud info output
8824015

Use constant for project key.
b57cf8d

Get project ID from default configuration file
72d7288

Feedback updates
c75e9b2

Update docs and json file handling
cf419e6

Update with new authentication CLI command
d7b1951

daspecster force-pushed the project-id-from-credentials-file branch from 8c3b234 to d7b1951Compare June 13, 2016 22:25

daspecster mentioned this pull request Jun 13, 2016
Update to version 0.16.0 #1854
Merged
7 tasks

jgeewax reviewed Jun 15, 2016
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Add win32 path for config
3f408c1

daspecster force-pushed the project-id-from-credentials-file branch from 63444c2 to 3f408c1Compare June 15, 2016 22:38

daspecster merged commit 4cf311b into googleapis:masterJun 16, 2016

daspecster deleted the project-id-from-credentials-file branch June 16, 2016 14:37

parthea pushed a commit that referenced this pull request Nov 26, 2025
chore: update owners (#1813)
5ab4b58
* chore: update owners * remove yoshi

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daspecster commented May 27, 2016

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daspecster commented May 27, 2016

TODO(orestica): Revisit this method once gcloud provides a better way

of pinpointing the exact location of the file.

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