feat(library): add build deployment env vars (#61)

Co-authored-by: Kelly Merrick <[email protected]>

library/build.go

@@ -109,6 +109,16 @@ func (b *Build) Environment() map[string]string {
 		envs["VELA_PULL_REQUEST"] = number
 	}
 
+	// check if the Build event is deployment
+	if strings.EqualFold(b.GetEvent(), constants.EventDeploy) {
+		// capture the deployment target
+		target := ToString(b.GetDeploy())
+
+		// add the deployment target to the list
+		envs["VELA_BUILD_TARGET"] = target
+		envs["VELA_DEPLOYMENT"] = target
+	}
+
 	// check if the Build event is pull_request
 	if strings.EqualFold(b.GetEvent(), constants.EventPull) {
 		// capture the pull request number

library/build_test.go

@@ -16,6 +16,10 @@ func TestLibrary_Build_Environment(t *testing.T) {
 	_comment.SetEvent("comment")
 	_comment.SetRef("refs/pulls/1/head")
 
+	_deploy := testBuild()
+	_deploy.SetEvent("deployment")
+	_deploy.SetDeploy("production")
+
 	_pull := testBuild()
 	_pull.SetEvent("pull_request")
 	_pull.SetRef("refs/pulls/1/head")
@@ -138,6 +142,61 @@ func TestLibrary_Build_Environment(t *testing.T) {
 				"BUILD_WORKSPACE":           "TODO",
 			},
 		},
+		{
+			build: _deploy,
+			want: map[string]string{
+				"VELA_BUILD_AUTHOR":       "OctoKitty",
+				"VELA_BUILD_AUTHOR_EMAIL": "[email protected]",
+				"VELA_BUILD_BASE_REF":     "",
+				"VELA_BUILD_BRANCH":       "master",
+				"VELA_BUILD_CHANNEL":      "TODO",
+				"VELA_BUILD_CLONE":        "https://github.com/github/octocat.git",
+				"VELA_BUILD_COMMIT":       "48afb5bdc41ad69bf22588491333f7cf71135163",
+				"VELA_BUILD_CREATED":      "1563474076",
+				"VELA_BUILD_DISTRIBUTION": "linux",
+				"VELA_BUILD_ENQUEUED":     "1563474077",
+				"VELA_BUILD_EVENT":        "deployment",
+				"VELA_BUILD_FINISHED":     "1563474079",
+				"VELA_BUILD_HOST":         "example.company.com",
+				"VELA_BUILD_LINK":         "https://example.company.com/github/octocat/1",
+				"VELA_BUILD_MESSAGE":      "First commit...",
+				"VELA_BUILD_NUMBER":       "1",
+				"VELA_BUILD_PARENT":       "1",
+				"VELA_BUILD_REF":          "refs/heads/master",
+				"VELA_BUILD_RUNTIME":      "docker",
+				"VELA_BUILD_SENDER":       "OctoKitty",
+				"VELA_BUILD_STARTED":      "1563474078",
+				"VELA_BUILD_SOURCE":       "https://github.com/github/octocat/48afb5bdc41ad69bf22588491333f7cf71135163",
+				"VELA_BUILD_STATUS":       "running",
+				"VELA_BUILD_TARGET":       "production",
+				"VELA_BUILD_TITLE":        "push received from https://github.com/github/octocat",
+				"VELA_BUILD_WORKSPACE":    "TODO",
+				"VELA_DEPLOYMENT":         "production",
+				"BUILD_AUTHOR":            "OctoKitty",
+				"BUILD_AUTHOR_EMAIL":      "[email protected]",
+				"BUILD_BASE_REF":          "",
+				"BUILD_BRANCH":            "master",
+				"BUILD_CHANNEL":           "TODO",
+				"BUILD_CLONE":             "https://github.com/github/octocat.git",
+				"BUILD_COMMIT":            "48afb5bdc41ad69bf22588491333f7cf71135163",
+				"BUILD_CREATED":           "1563474076",
+				"BUILD_ENQUEUED":          "1563474077",
+				"BUILD_EVENT":             "deployment",
+				"BUILD_FINISHED":          "1563474079",
+				"BUILD_HOST":              "example.company.com",
+				"BUILD_LINK":              "https://example.company.com/github/octocat/1",
+				"BUILD_MESSAGE":           "First commit...",
+				"BUILD_NUMBER":            "1",
+				"BUILD_PARENT":            "1",
+				"BUILD_REF":               "refs/heads/master",
+				"BUILD_SENDER":            "OctoKitty",
+				"BUILD_STARTED":           "1563474078",
+				"BUILD_SOURCE":            "https://github.com/github/octocat/48afb5bdc41ad69bf22588491333f7cf71135163",
+				"BUILD_STATUS":            "running",
+				"BUILD_TITLE":             "push received from https://github.com/github/octocat",
+				"BUILD_WORKSPACE":         "TODO",
+			},
+		},
 		{
 			build: _pull,
 			want: map[string]string{