Avoid leaking s3 credentials into logs.
Avoid leaking s3 credentials into logs.

Sanitize the S3 URI of access and secret key before logging.

Change-Id: I12c74ddf8ab01848308c661c0fcbbb4f852a69b6

wkoathp/glance,vuntz/glance,takeshineshiro/glance,openstack/glance,SUSE-Cloud/glance,redhat-openstack/glance,darren-wang/gl,jumpstarter-io/glance,ozamiatin/glance,stevelle/glance,wkoathp/glance,scripnichenko/glance,ntt-sic/glance,cloudbau/glance,rickerc/glance_audit,SUSE-Cloud/glance,JioCloud/glance,openstack/glance,citrix-openstack-build/glance,kfwang/Glance-OVA-OVF,citrix-openstack-build/glance,saeki-masaki/glance,stevelle/glance,akash1808/glance,scripnichenko/glance,takeshineshiro/glance,sigmavirus24/glance,openstack/glance,rajalokan/glance,rickerc/glance_audit,saeki-masaki/glance,tanglei528/glance,ntt-sic/glance,tanglei528/glance,dims/glance,paramite/glance,redhat-openstack/glance,rajalokan/glance,jumpstarter-io/glance,darren-wang/gl,paramite/glance,JioCloud/glance,dims/glance,ozamiatin/glance,sigmavirus24/glance,vuntz/glance,klmitch/glance,cloudbau/glance,kfwang/Glance-OVA-OVF,klmitch/glance,akash1808/glance