Move windows tests to circle-ci, remove appveyor (#8844)

* windows tests to circleci

* Add as requirement to package/release

* Use latest windows orb

* Add to nightly

.circleci/config.yml

@@ -1,4 +1,6 @@
 version: 2.1
+orbs:
+  win: circleci/windows@2.4.0  
 
 executors:
   go-1_14:
@@ -129,6 +131,16 @@ jobs:
     executor: mac
     steps:
       - test-go-mac
+  test-go-windows:
+    executor:
+        name: win/default
+        shell: powershell.exe
+    steps:
+      - checkout
+      - run: choco upgrade golang --version=1.15.5
+      - run: choco install make
+      - run: git config --system core.longpaths true
+      - run: make test-windows
 
   package:
     executor: go-1_15
@@ -186,8 +198,13 @@ workflows:
           filters:
             tags: # only runs on tags if you specify this filter
               only: /.*/
+      - 'test-go-windows':
+          filters:
+            tags:
+              only: /.*/
       - 'package':
           requires:
+            - 'test-go-windows'
             - 'test-go-darwin'
             - 'test-go-1_14'
             - 'test-go-1_14-386'
@@ -195,6 +212,7 @@ workflows:
             - 'test-go-1_15-386'
       - 'release':
           requires:
+            - 'test-go-windows'
             - 'test-go-darwin'
             - 'test-go-1_14'
             - 'test-go-1_14-386'
@@ -224,8 +242,10 @@ workflows:
       - 'test-go-darwin':
           requires:
             - 'macdeps'
+      - 'test-go-windows'
       - 'nightly':
           requires:
+            - 'test-go-windows'
             - 'test-go-darwin'
             - 'test-go-1_14'
             - 'test-go-1_14-386'

appveyor.yml

@@ -1,35 +0,0 @@
-version: "{build}"
-
-image: Visual Studio 2019
-
-cache:
- - C:\gopath\pkg\mod -> go.sum
- - C:\ProgramData\chocolatey\bin -> appveyor.yml
- - C:\ProgramData\chocolatey\lib -> appveyor.yml
-
-clone_folder: C:\gopath\src\github.com\influxdata\telegraf
-
-environment:
-  GOPATH: C:\gopath
-
-stack: go 1.15
-
-platform: x64
-
-install:
-  - choco install make
-  - cd "%GOPATH%\src\github.com\influxdata\telegraf"
-  - git config --system core.longpaths true
-  - go version
-  - go env
-
-build_script:
-  - make deps
-  - make telegraf
-
-test_script:
-  - make check
-  - make test-windows
-
-artifacts:
-  - path: telegraf.exe