Start documentation on build (#15012)

CONTRIBUTING.md

@@ -10,7 +10,22 @@ using [Azure/autorest.go][] and [Azure/autorest][]. These generated packages dep
 
 For bugs or feature requests you can submit them using the [Github issues page][issues] and filling the appropriate template.
 
-Also please see these [guidelines][] about contributing to Azure projects.
+## Building
+
+SDKs are either old (track 1) or new (track 2):
+
+- Old (Track 1) SDKs are found in the services/ and profiles/ top level folders. 
+    - CI is in /azure-pipelines.yml
+- New (Track 2) SDKs are found in the sdk/ top level folder.
+    - CI is in /eng/pipelines/templates/steps/build.yml
+
+To build, run `go build` from the respective SDK directory.
+
+There currently is not a repository wide way to build or regenerate code.
+
+## Guidelines and Code of Conduct
+
+Also please see these [guidelines][guidelines] about contributing to Azure projects.
 
 This project follows the [Microsoft Open Source Code of Conduct][coc]. For more information see the [Code of Conduct FAQ][cocfaq]. Contact [opencode@microsoft.com][cocmail] with questions and comments.
 

README.md

@@ -38,12 +38,7 @@ APIs are updated frequently, we release a **new major version at the end of
 each month** with a full changelog. For more details and background see [SDK Update
 Practices](https://github.com/Azure/azure-sdk-for-go/wiki/SDK-Update-Practices).
 
-To more reliably manage dependencies like the Azure SDK in your applications we
-recommend [golang/dep](https://github.com/golang/dep).
-
-Packages that are still in public preview can be found under the ./services/preview
-directory. Please be aware that since these packages are in preview they are subject
-to change, including breaking changes outside of a major semver bump.
+Packages that are still in public preview can be found under the `services/preview` directory. Please be aware that since these packages are in preview they are subject to change, including breaking changes, outside of a major semver bump.
 
 ## Other Azure Go Packages
 
@@ -69,11 +64,6 @@ $ go get -u github.com/Azure/azure-sdk-for-go/...
 
 and you should also make sure to include the minimum version of [`go-autorest`](https://github.com/Azure/go-autorest) that is specified in `Gopkg.toml` file.
 
-Or if you use dep, within your repo run:
-
-```sh
-$ dep ensure -add github.com/Azure/azure-sdk-for-go
-```
 
 If you need to install Go, follow [the official instructions](https://golang.org/dl/).
 
@@ -386,22 +376,6 @@ or `Profile` version (`2017-03-09`):
 import "github.com/Azure/azure-sdk-for-go/profiles/2017-03-09/compute/mgmt/compute"
 ```
 
-As well as, for dep, a `Gopkg.toml` file with:
-
-```toml
-[[constraint]]
-  name = "github.com/Azure/azure-sdk-for-go"
-  version = "21.0.0"
-```
-
-Combined, these techniques will ensure that breaking changes should not occur. If you are extra sensitive to changes, adding an additional [version pin](https://golang.github.io/dep/docs/Gopkg.toml.html#version-rules) in your SDK Version should satisfy your needs:
-
-```toml
-[[constraint]]
-  name = "github.com/Azure/azure-sdk-for-go"
-  version = "=21.3.0"
-```
-
 ## Inspecting and Debugging
 
 ### Built-in Basic Request/Response Logging

azure-pipelines.yml

@@ -1,3 +1,5 @@
+# This builds only track 1 SDKs. See eng\pipelines\templates\steps\build.yml for track 2.
+
 trigger:
   paths:
     exclude:

eng/pipelines/templates/steps/build.yml

@@ -1,3 +1,5 @@
+# This builds only track 2 SDKs. See \azure-pipelines.yml for track 1.
+
 parameters:
   ServiceDirectory: ''
   GoWorkspace: ''