Tom Harvey 0ec109bdc0 backend/azurerm: upgrading the SDK / support for proxies (#19414) ... * vendor updates - updating to v21.3.0 of github.com/Azure/azure-sdk-for-go - updating to v10.15.4 of github.com/Azure/go-autorest - vendoring github.com/hashicorp/go-azure-helpers @ 0.1.1 * backend/azurerm: refactoring to use the new auth package - refactoring the backend to use a shared client via the new auth package - adding tests covering both Service Principal and Access Key auth - support for authenticating using a proxy - rewriting the backend documentation to include examples of both authentication types * switching to use the build-in logging function * documenting it's also possible to retrieve the access key from an env var		2018-11-21 22:06:03 +01:00
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x	backend/azurerm: upgrading the SDK / support for proxies (#19414)	2018-11-21 22:06:03 +01:00