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python sdk for Glance API

Project description

stare

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The python wrapper for the Glance API.

Environment Variables

See stare/settings/base.py for all environment variables that can be set. All environment variables for this package are prefixed with STARE. As of now, there are:

  • STARE_USERNAME: CERN account username
  • STARE_PASSWORD: CERN account password
  • STARE_AUTH_URL: authentication server
  • STARE_SITE_URL: API server
  • STARE_CASSETTE_LIBRARY_DIR: for tests, where to store recorded requests/responses

CLI Usage

Use stare --help for the various options provided.

Python Usage

import stare
glance = stare.Glance()

# get publication information of a publication
pub_info = glance.publication('HDBS-2018-33')
# get publications for a given activity/reference code (see table below)
pubs = glance.publications(activity_id=26, reference_code='HIGG')

Activity IDs

Activity IDs are currently in a different API project (under SCAB Nominations) which SUSY conveners have access to. For now, this is a partial list to make it easier.

ID CODE NAME
36 SUSY SUSY
37 BGF Background forum
38 CDM Common Dark Matter
39 TGSK 3rd generation squarks
40 EW EW
41 ISG InclSqGl
42 RPVL RPVLL
43 RVEW SUSY Review
199 STPR Strong production
200 RUN2 Run2 Summaries

SSL

In order to get SSL handshakes working (certificate verification), one needs to make sure we add/trust the CERN Certification Authorities (CA) for both the Root and the Grid CAs. Specifically, we rely on the Root CA to sign/issue the Grid CA. The Grid CA is what's relied on for the SSL chain. To make this happen, we'll need both PEM for each CA combined into a single CERN_chain.pem file which is bundled up with this package.

Going to the CERN CA Files website and downloading the CERN Root Certification Authority 2 (DER file) and CERN Grid Certification Authority (PEM file). We can then convert the DER to PEM as follows (for the Root CA):

openssl x509 -in CERN_ROOT_CA_2.crt -inform der -outform pem -out CERN_ROOT_CA_2.pem

and then combine the two

cat CERN_GRID_CA_2.pem CERN_ROOT_CA_2.pem > CERN_chain.pem

This can be passed into any python requests::Session via verify='/path/to/CERN_chain.pem' and SSL verification should work.

[1] DER vs PEM?

Reference

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