Implement obtainSecurityToken for google filesystem

[luoyuxia]

Search before asking

• I searched in the issues and found nothing similar.

Description

The newly introduced google filesystem missing obtainSecurityToken method.

Willingness to contribute

• I'm willing to submit a PR!

[luoyuxia]

@gkatzioura Would you like to take it?

[gkatzioura]

Going for it

[wuchong]

@luoyuxia is it a blocker for users to use google filesystem?

[luoyuxia]

@luoyuxia is it a blocker for users to use google filesystem?

Yes, it's. Without this, client can't read remote data in gfs.

[wuchong]

@luoyuxia thanks, got it.