Enable code coverage (argoproj#500)

* Update Gopkg.toml

* Update Gopkg.lock

* Add new test-coverage command

* Update .gitignore to ignore coverage.out

* Test injection of COVERALLS_TOKEN variable

* Add draft of .travis.yml

* Rm recursive coveralls token

* Ensure that goveralls gets installed

* Rm second Go version

* Update workflow with coverage testing

* Change service from argo to argo-ci

* Rm .travis.yml

* Try setting coveralls token more explicitly

* Try file-based instead of env-based token

* Try both methods of providing token

* Go back to just env-based token

* Update with another printout test

* Try using container, thanks @alexmt

* Simplify for now, take 2

* Rm quotes

* Move env to ci-builder template

* Rm coveralls token

* Add coverage badge for current branch, take 2

* Add else statement for output in case of missing token

* Ensure we use the race detector

* Don't install goveralls with dep ensure

* Update generated files

* Try ignoring intermediate files

* Don't use race detector for now

* Try new pattern to ignore

* Try different pattern now

* Try different ignore path

* Try a different ignore style

* Ignore generated protobuf files properly now

* Rm standalone test since we have test-coverage

.argo-ci/ci.yaml

@@ -29,7 +29,13 @@ spec:
           - name: cmd
             value: "{{item}}"
         withItems:
-        - dep ensure && make cli lint test
+        - dep ensure && make cli lint
+      - name: test-coverage
+        template: ci-builder
+        arguments:
+          parameters:
+          - name: cmd
+            value: "dep ensure && go get github.com/mattn/goveralls && make test-coverage"
       - name: test-e2e
         template: ci-builder
         arguments:
@@ -52,6 +58,12 @@ spec:
       command: [sh, -c]
       args: ["{{inputs.parameters.cmd}}"]
       workingDir: /go/src/github.com/argoproj/argo-cd
+      env:
+        - name: COVERALLS_TOKEN
+          valueFrom:
+            secretKeyRef:
+              name: coverall-token
+              key: coverall-token
       resources:
         requests:
           memory: 1024Mi

.gitignore

@@ -7,3 +7,4 @@ dist/
 # delve debug binaries
 cmd/**/debug
 debug.test
+coverage.out