Plumb through log analytics values (#274)

* plumb through log analytics values

* add option to specify a log analytics file as well

* use secret for log analytics

providers/azure/client/aci/analytics_test.go

@@ -0,0 +1,38 @@
+package aci
+
+import (
+	"io/ioutil"
+	"os"
+	"testing"
+)
+
+func TestLogAnalyticsFileParsingSuccess(t *testing.T) {
+	diagnostics, err := NewContainerGroupDiagnosticsFromFile("../../../../loganalytics.json")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	if diagnostics == nil || diagnostics.LogAnalytics == nil {
+		t.Fatalf("Unexpected nil diagnostics. Log Analytics file not parsed correctly")
+	}
+
+	if diagnostics.LogAnalytics.WorkspaceID == "" || diagnostics.LogAnalytics.WorkspaceKey == "" {
+		t.Fatalf("Unexpected empty analytics authentication credentials. Log Analytics file not parsed correctly")
+	}
+}
+
+func TestLogAnalyticsFileParsingFailure(t *testing.T) {
+	tempFile, err := ioutil.TempFile("", "")
+	if err != nil {
+		t.Fatal(err)
+	}
+	_, err = NewContainerGroupDiagnosticsFromFile(tempFile.Name())
+
+	// Cleaup
+	tempFile.Close()
+	os.Remove(tempFile.Name())
+
+	if err == nil {
+		t.Fatalf("Expected parsing an empty Log Analytics auth file to fail, but there were no errors")
+	}
+}