Golang github.com-ARGOeu-argo-web-api-utils-authentication.AuthenticateTenant类(方法)实例源码

// List existing recomputations
func List(r *http.Request, cfg config.Config) (int, http.Header, []byte, error) {
	//STANDARD DECLARATIONS START
	code := http.StatusOK
	h := http.Header{}
	output := []byte("")
	err := error(nil)
	// contentType := "application/json"
	charset := "utf-8"
	//STANDARD DECLARATIONS END

	urlValues := r.URL.Query()
	contentType := r.Header.Get("Accept")

	contentType, err = respond.ParseAcceptHeader(r)
	h.Set("Content-Type", fmt.Sprintf("%s; charset=%s", contentType, charset))

	if err != nil {
		code = http.StatusNotAcceptable
		output, _ = respond.MarshalContent(respond.NotAcceptableContentType, contentType, "", " ")
		return code, h, output, err
	}

	tenantDbConfig, err := authentication.AuthenticateTenant(r.Header, cfg)

	if err != nil {
		output, _ = respond.MarshalContent(respond.UnauthorizedMessage, contentType, "", " ")
		code = http.StatusUnauthorized //If wrong api key is passed we return UNAUTHORIZED http status
		return code, h, output, err
	}

	filter := IncomingRecomputation{
		StartTime: urlValues.Get("start_time"),
		EndTime:   urlValues.Get("end_time"),
		Reason:    urlValues.Get("reason"),
		Report:    urlValues.Get("report"),
	}

	session, err := mongo.OpenSession(tenantDbConfig)

	if err != nil {
		code = http.StatusInternalServerError
		return code, h, output, err
	}

	results := []MongoInterface{}
	err = mongo.Find(session, tenantDbConfig.Db, recomputationsColl, filter, "timestamp", &results)

	if err != nil {
		code = http.StatusInternalServerError
		return code, h, output, err
	}

	output, err = createListView(results, contentType)

	return code, h, output, err

}

// List returns a list of factors (weights) per endpoint group (i.e. site)
func List(r *http.Request, cfg config.Config) (int, http.Header, []byte, error) {

	//STANDARD DECLARATIONS START

	code := http.StatusOK
	h := http.Header{}
	output := []byte("")
	err := error(nil)
	contentType := "text/xml"
	charset := "utf-8"

	//STANDARD DECLARATIONS END

	contentType, err = respond.ParseAcceptHeader(r)
	h.Set("Content-Type", fmt.Sprintf("%s; charset=%s", contentType, charset))

	if err != nil {
		code = http.StatusNotAcceptable
		output, _ = respond.MarshalContent(respond.NotAcceptableContentType, contentType, "", " ")
		return code, h, output, err
	}

	tenantDbConfig, err := authentication.AuthenticateTenant(r.Header, cfg)

	if err != nil {
		output = []byte(http.StatusText(http.StatusUnauthorized))
		code = http.StatusUnauthorized //If wrong api key is passed we return UNAUTHORIZED http status
		h.Set("Content-Type", fmt.Sprintf("%s; charset=%s", contentType, charset))
		return code, h, output, err
	}

	session, err := mongo.OpenSession(tenantDbConfig)

	if err != nil {
		code = http.StatusInternalServerError
		return code, h, output, err
	}
	defer mongo.CloseSession(session)

	results := []FactorsOutput{}
	err = mongo.Find(session, tenantDbConfig.Db, "weights", nil, "name", &results)

	if err != nil {
		code = http.StatusInternalServerError
		return code, h, output, err
	}

	output, err = createView(results, contentType) //Render the results into XML format

	if err != nil {
		code = http.StatusInternalServerError
		return code, h, output, err
	}

	mongo.CloseSession(session)
	return code, h, output, err
}

func routeCheckGroup(r *http.Request, cfg config.Config) (int, http.Header, []byte, error) {

	//STANDARD DECLARATIONS START
	code := http.StatusOK
	h := http.Header{}
	output := []byte("group check")
	err := error(nil)
	contentType := "application/xml"
	charset := "utf-8"
	//STANDARD DECLARATIONS END

	// Handle response format based on Accept Header
	// Default is application/xml
	format := r.Header.Get("Accept")
	if strings.EqualFold(format, "application/json") {
		contentType = "application/json"
	}

	vars := mux.Vars(r)
	tenantcfg, err := authentication.AuthenticateTenant(r.Header, cfg)
	if err != nil {
		return code, h, output, err
	}

	session, err := mongo.OpenSession(tenantcfg)
	defer mongo.CloseSession(session)
	if err != nil {
		return code, h, output, err
	}
	result := reports.MongoInterface{}
	err = mongo.FindOne(session, tenantcfg.Db, "reports", bson.M{"info.name": vars["report_name"]}, &result)

	if err != nil {
		message := "The report with the name " + vars["report_name"] + " does not exist"
		output, err := createMessageOUT(message, format) //Render the response into XML or JSON
		h.Set("Content-Type", fmt.Sprintf("%s; charset=%s", contentType, charset))
		return code, h, output, err
	}

	if vars["group_type"] != result.GetEndpointGroupType() {
		message := "The report " + vars["report_name"] + " does not define endpoint group type: " + vars["group_type"]
		output, err := createMessageOUT(message, format) //Render the response into XML or JSON
		h.Set("Content-Type", fmt.Sprintf("%s; charset=%s", contentType, charset))
		return code, h, output, err
	}

	return ListEndpointTimelines(r, cfg)

}

// ListMetricTimelines returns a list of metric timelines
func ListMetricTimelines(r *http.Request, cfg config.Config) (int, http.Header, []byte, error) {

	//STANDARD DECLARATIONS START

	code := http.StatusOK
	h := http.Header{}
	output := []byte("List Metric Timelines")
	err := error(nil)
	contentType := "application/xml"
	charset := "utf-8"

	//STANDARD DECLARATIONS END

	contentType, err = respond.ParseAcceptHeader(r)
	h.Set("Content-Type", fmt.Sprintf("%s; charset=%s", contentType, charset))

	if err != nil {
		code = http.StatusNotAcceptable
		output, _ = respond.MarshalContent(respond.NotAcceptableContentType, contentType, "", " ")
		return code, h, output, err
	}

	// Parse the request into the input
	urlValues := r.URL.Query()
	vars := mux.Vars(r)

	parsedStart, parsedEnd, errs := respond.ValidateDateRange(urlValues.Get("start_time"), urlValues.Get("end_time"))
	if len(errs) > 0 {
		code = http.StatusBadRequest
		output = respond.CreateFailureResponseMessage("Bad Request", "400", errs).MarshalTo(contentType)
	}

	input := InputParams{
		parsedStart,
		parsedEnd,
		vars["report_name"],
		vars["group_type"],
		vars["group_name"],
		vars["service_name"],
		vars["endpoint_name"],
		vars["metric_name"],
		contentType,
	}

	// Call authenticateTenant to check the api key and retrieve
	// the correct tenant db conf
	tenantDbConfig, err := authentication.AuthenticateTenant(r.Header, cfg)

	if err != nil {
		output = []byte(http.StatusText(http.StatusUnauthorized))
		code = http.StatusUnauthorized //If wrong api key is passed we return UNAUTHORIZED http status
		h.Set("Content-Type", fmt.Sprintf("%s; charset=%s", contentType, charset))
		return code, h, output, err
	}

	// Mongo Session
	results := []DataOutput{}

	session, err := mongo.OpenSession(tenantDbConfig)
	defer mongo.CloseSession(session)

	metricCollection := session.DB(tenantDbConfig.Db).C("status_metrics")

	// Query the detailed metric results
	reportID, err := mongo.GetReportID(session, tenantDbConfig.Db, input.report)

	if err != nil {
		code = http.StatusInternalServerError
		return code, h, output, err
	}

	err = metricCollection.Find(prepareQuery(input, reportID)).All(&results)
	if err != nil {
		code = http.StatusInternalServerError
		return code, h, output, err
	}

	output, err = createView(results, input) //Render the results into XML format

	h.Set("Content-Type", fmt.Sprintf("%s; charset=%s", contentType, charset))
	return code, h, output, err
}

// SubmitRecomputation insert a new pending recomputation in the tenants database
func SubmitRecomputation(r *http.Request, cfg config.Config) (int, http.Header, []byte, error) {
	//STANDARD DECLARATIONS START
	code := http.StatusAccepted
	h := http.Header{}
	output := []byte("")
	err := error(nil)
	charset := "utf-8"
	//STANDARD DECLARATIONS END

	contentType, err := respond.ParseAcceptHeader(r)
	h.Set("Content-Type", fmt.Sprintf("%s; charset=%s", contentType, charset))

	if err != nil {
		code = http.StatusNotAcceptable
		output, _ = respond.MarshalContent(respond.NotAcceptableContentType, contentType, "", " ")
		return code, h, output, err
	}

	tenantDbConfig, err := authentication.AuthenticateTenant(r.Header, cfg)

	if err != nil {
		output, _ = respond.MarshalContent(respond.UnauthorizedMessage, contentType, "", " ")
		code = http.StatusUnauthorized //If wrong api key is passed we return UNAUTHORIZED http status
		return code, h, output, err
	}

	session, err := mongo.OpenSession(tenantDbConfig)

	if err != nil {
		code = http.StatusInternalServerError
		return code, h, output, err
	}

	var recompSubmission IncomingRecomputation
	// urlValues := r.URL.Query()

	body, err := ioutil.ReadAll(io.LimitReader(r.Body, cfg.Server.ReqSizeLimit))
	if err != nil {
		panic(err)
	}
	if err := r.Body.Close(); err != nil {
		panic(err)
	}
	if err := json.Unmarshal(body, &recompSubmission); err != nil {
		code = 422 // unprocessable entity
		output = []byte("Unprocessable JSON")
		return code, h, output, err
	}
	now := time.Now()
	recomputation := MongoInterface{
		ID:             mongo.NewUUID(),
		RequesterName:  tenantDbConfig.User,
		RequesterEmail: tenantDbConfig.Email,
		StartTime:      recompSubmission.StartTime,
		EndTime:        recompSubmission.EndTime,
		Reason:         recompSubmission.Reason,
		Report:         recompSubmission.Report,
		Exclude:        recompSubmission.Exclude,
		Timestamp:      now.Format("2006-01-02 15:04:05"),
		Status:         "pending",
	}

	err = mongo.Insert(session, tenantDbConfig.Db, recomputationsColl, recomputation)

	if err != nil {
		panic(err)
	}

	output, err = createSubmitView(recomputation, contentType, r)
	return code, h, output, err
}

// This function runs before any test and setups the environment
// A test configuration object is instantiated using a reference
// to testdb: argo_test_reports. Also here is are instantiated some expected
// xml response validation messages (authorization,crud responses).
// Also the testdb is seeded with two reports
func (suite *ReportTestSuite) SetupTest() {

	// Connect to mongo testdb
	session, _ := mongo.OpenSession(suite.cfg.MongoDB)

	// Add authentication token to mongo testdb
	seedAuth := bson.M{"api_key": "S3CR3T"}
	_ = mongo.Insert(session, suite.cfg.MongoDB.Db, "authentication", seedAuth)

	// seed mongo
	session, err := mgo.Dial(suite.cfg.MongoDB.Host)
	if err != nil {
		panic(err)
	}
	defer session.Close()

	// seed a tenant to use
	c := session.DB(suite.cfg.MongoDB.Db).C("tenants")
	c.Insert(bson.M{
		"id": "6ac7d684-1f8e-4a02-a502-720e8f11e50c",
		"info": bson.M{
			"name":    "GUARDIANS",
			"email":   "[email protected]",
			"website": "www.gotg.com",
			"created": "2015-10-20 02:08:04",
			"updated": "2015-10-20 02:08:04"},
		"db_conf": []bson.M{
			bson.M{
				"store":    "ar",
				"server":   "localhost",
				"port":     27017,
				"database": "argo_test_tenant_reports2_db1",
				"username": "admin",
				"password": "3NCRYPT3D"},
			bson.M{
				"store":    "status",
				"server":   "b.mongodb.org",
				"port":     27017,
				"database": "reports_db_tenant",
				"username": "admin",
				"password": "3NCRYPT3D"},
		},
		"users": []bson.M{
			bson.M{
				"name":    "cap",
				"email":   "[email protected]",
				"api_key": "C4PK3Y"},
			bson.M{
				"name":    "thor",
				"email":   "[email protected]",
				"api_key": "TH0RK3Y"},
		}})

	// get dbconfiguration based on the tenant
	// Prepare the request object
	request, _ := http.NewRequest("GET", "", strings.NewReader(""))
	// add the content-type header to application/json
	request.Header.Set("Accept", "application/json;")
	// add the authentication token which is seeded in testdb
	request.Header.Set("x-api-key", "C4PK3Y")
	// authenticate user's api key and find corresponding tenant
	suite.tenantDbConf, err = authentication.AuthenticateTenant(request.Header, suite.cfg)

	c = session.DB(suite.tenantDbConf.Db).C("metric_profiles")

	c.Insert(
		bson.M{
			"id":   "6ac7d684-1f8e-4a02-a502-720e8f11e50b",
			"name": "profile1",
			"services": []bson.M{
				bson.M{"service": "CREAM-CE",
					"metrics": []string{
						"emi.cream.CREAMCE-JobSubmit",
						"emi.wn.WN-Bi",
						"emi.wn.WN-Csh",
						"emi.wn.WN-SoftVer"},
				},
				bson.M{"service": "SRMv2",
					"metrics": []string{"hr.srce.SRM2-CertLifetime",
						"org.sam.SRM-Del",
						"org.sam.SRM-Get",
						"org.sam.SRM-GetSURLs",
						"org.sam.SRM-GetTURLs",
						"org.sam.SRM-Ls",
						"org.sam.SRM-LsDir",
						"org.sam.SRM-Put"},
				},
			},
		})
	c.Insert(
		bson.M{
			"id":   "6ac7d684-1f8e-4a02-a502-720e8f11e50c",
			"name": "ch.cern.SAM.ROC",
			"services": []bson.M{
				bson.M{"service": "CREAM-CE",
//.........这里部分代码省略.........

// ListServiceFlavorResults is responsible for handling request to list service flavor results
func ListServiceFlavorResults(r *http.Request, cfg config.Config) (int, http.Header, []byte, error) {
	//STANDARD DECLARATIONS START
	code := http.StatusOK
	h := http.Header{}
	output := []byte("")
	err := error(nil)
	contentType := "application/xml"
	charset := "utf-8"
	//STANDARD DECLARATIONS END

	contentType, err = respond.ParseAcceptHeader(r)
	h.Set("Content-Type", fmt.Sprintf("%s; charset=%s", contentType, charset))

	if err != nil {
		code = http.StatusNotAcceptable
		output, _ = respond.MarshalContent(respond.NotAcceptableContentType, contentType, "", " ")
		return code, h, output, err
	}

	// Parse the request into the input
	urlValues := r.URL.Query()
	vars := mux.Vars(r)

	tenantDbConfig, err := authentication.AuthenticateTenant(r.Header, cfg)
	if err != nil {
		if err.Error() == "Unauthorized" {
			code = http.StatusUnauthorized
			out := respond.UnauthorizedMessage
			output = out.MarshalTo(contentType)
			return code, h, output, err
		}
		code = http.StatusInternalServerError
		return code, h, output, err
	}

	session, err := mongo.OpenSession(tenantDbConfig)
	defer mongo.CloseSession(session)

	if err != nil {
		code = http.StatusInternalServerError
		return code, h, output, err
	}

	report := reports.MongoInterface{}
	err = mongo.FindOne(session, tenantDbConfig.Db, "reports", bson.M{"info.name": vars["report_name"]}, &report)

	if err != nil {
		code = http.StatusBadRequest
		message := "The report with the name " + vars["report_name"] + " does not exist"
		output, err := createErrorMessage(message, contentType) //Render the response into XML or JSON
		h.Set("Content-Type", fmt.Sprintf("%s; charset=%s", contentType, charset))
		return code, h, output, err
	}

	input := serviceFlavorResultQuery{
		basicQuery: basicQuery{
			Name:        vars["service_type"],
			Granularity: urlValues.Get("granularity"),
			Format:      contentType,
			StartTime:   urlValues.Get("start_time"),
			EndTime:     urlValues.Get("end_time"),
			Report:      report,
			Vars:        vars,
		},
		EndpointGroup: vars["lgroup_name"],
	}

	tenantDB := session.DB(tenantDbConfig.Db)
	errs := input.Validate(tenantDB)
	if len(errs) > 0 {
		out := respond.BadRequestSimple
		out.Errors = errs
		output = out.MarshalTo(contentType)
		code = 400
		return code, h, output, err
	}

	if vars["lgroup_type"] != report.GetEndpointGroupType() {
		code = http.StatusBadRequest
		message := "The report " + vars["report_name"] + " does not define endpoint group type: " + vars["lgroup_type"] + ". Try using " + report.GetEndpointGroupType() + " instead."
		output, err := createErrorMessage(message, contentType) //Render the response into XML or JSON
		h.Set("Content-Type", fmt.Sprintf("%s; charset=%s", contentType, charset))
		return code, h, output, err
	}

	results := []ServiceFlavorInterface{}

	if err != nil {
		code = http.StatusInternalServerError
		return code, h, output, err
	}

	// Construct the query to mongodb based on the input
	filter := bson.M{
		"date":   bson.M{"$gte": input.StartTimeInt, "$lte": input.EndTimeInt},
		"report": report.ID,
	}

	if input.Name != "" {
//.........这里部分代码省略.........

// Setup the Test Environment
// This function runs before any test and setups the environment
// A test configuration object is instantiated using a reference
// to testdb: argo_test_details. Also here is are instantiated some expected
// xml response validation messages (authorization,crud responses).
// Also the testdb is seeded with tenants,reports,metric_profiles and status_metrics
func (suite *metricResultTestSuite) SetupTest() {

	const testConfig = `
    [server]
    bindip = ""
    port = 8080
    maxprocs = 4
    cache = false
    lrucache = 700000000
    gzip = true
    [mongodb]
    host = "127.0.0.1"
    port = 27017
    db = "ARGO_test_metric_result"
`

	_ = gcfg.ReadStringInto(&suite.cfg, testConfig)

	suite.tenantDbConf.Db = "ARGO_test_metric_result"
	suite.tenantDbConf.Password = "h4shp4ss"
	suite.tenantDbConf.Username = "dbuser"
	suite.tenantDbConf.Store = "ar"
	suite.clientkey = "KEY1"

	// Create router and confhandler for test
	suite.confHandler = respond.ConfHandler{suite.cfg}
	suite.router = mux.NewRouter().StrictSlash(true).PathPrefix("/api/v2/metric_result").Subrouter()
	HandleSubrouter(suite.router, &suite.confHandler)

	// Connect to mongo testdb
	session, _ := mongo.OpenSession(suite.cfg.MongoDB)

	// Add authentication token to mongo testdb
	seedAuth := bson.M{"api_key": "S3CR3T"}
	_ = mongo.Insert(session, suite.cfg.MongoDB.Db, "authentication", seedAuth)

	// seed mongo
	session, err := mgo.Dial(suite.cfg.MongoDB.Host)
	if err != nil {
		panic(err)
	}
	defer session.Close()

	// seed a tenant to use
	c := session.DB(suite.cfg.MongoDB.Db).C("tenants")
	c.Insert(bson.M{
		"id": "6ac7d684-1f8e-4a02-a502-720e8f11e50c",
		"info": bson.M{
			"name":    "EGI",
			"email":   "[email protected]",
			"website": "www.gotg.com",
			"created": "2015-10-20 02:08:04",
			"updated": "2015-10-20 02:08:04"},
		"db_conf": []bson.M{
			bson.M{
				"store":    "main",
				"server":   "localhost",
				"port":     27017,
				"database": "ARGO_test_metric_result_egi",
				"username": "",
				"password": ""},
		},
		"users": []bson.M{
			bson.M{
				"name":    "egi_user",
				"email":   "[email protected]",
				"api_key": "KEY1"},
		}})

	// get dbconfiguration based on the tenant
	// Prepare the request object
	request, _ := http.NewRequest("GET", "", strings.NewReader(""))
	// add the content-type header to application/json
	request.Header.Set("Content-Type", "application/json;")
	// add the authentication token which is seeded in testdb
	request.Header.Set("x-api-key", "KEY1")
	// authenticate user's api key and find corresponding tenant
	suite.tenantDbConf, err = authentication.AuthenticateTenant(request.Header, suite.cfg)

	// seed the status detailed metric data
	c = session.DB(suite.tenantDbConf.Db).C("status_metrics")
	c.Insert(bson.M{
		"monitoring_box":     "nagios3.hellasgrid.gr",
		"date_integer":       20150501,
		"timestamp":          "2015-05-01T00:00:00Z",
		"service":            "CREAM-CE",
		"host":               "cream01.afroditi.gr",
		"metric":             "emi.cream.CREAMCE-JobSubmit",
		"status":             "OK",
		"time_integer":       0,
		"previous_state":     "OK",
		"previous_timestamp": "2015-04-30T23:59:00Z",
		"summary":            "Cream status is ok",
		"message":            "Cream job submission test return value of ok",
//.........这里部分代码省略.........

// List the existing metric profiles for the tenant making the request
// Also there is an optional url param "name" to filter results by
func List(r *http.Request, cfg config.Config) (int, http.Header, []byte, error) {

	//STANDARD DECLARATIONS START

	code := http.StatusOK
	h := http.Header{}
	output := []byte("")
	err := error(nil)
	contentType := "text/xml"
	charset := "utf-8"

	//STANDARD DECLARATIONS END

	// Content Negotiation
	contentType, err = respond.ParseAcceptHeader(r)
	h.Set("Content-Type", fmt.Sprintf("%s; charset=%s", contentType, charset))

	if err != nil {
		code = http.StatusNotAcceptable
		output, _ = respond.MarshalContent(respond.NotAcceptableContentType, contentType, "", " ")
		return code, h, output, err
	}

	urlValues := r.URL.Query()

	// Tenant Authentication
	tenantDbConfig, err := authentication.AuthenticateTenant(r.Header, cfg)

	if err != nil {
		output, _ = respond.MarshalContent(respond.UnauthorizedMessage, contentType, "", " ")
		code = http.StatusUnauthorized //If wrong api key is passed we return UNAUTHORIZED http status
		return code, h, output, err
	}

	// Open session to tenant database
	session, err := mongo.OpenSession(tenantDbConfig)
	defer mongo.CloseSession(session)

	if err != nil {
		code = http.StatusInternalServerError
		return code, h, output, err
	}

	// Retrieve Results from database

	var filter interface{}
	if len(urlValues["name"]) > 0 {
		filter = bson.M{"name": urlValues["name"][0]}
	} else {
		filter = nil
	}

	results := []MongoInterface{}
	err = mongo.Find(session, tenantDbConfig.Db, "metric_profiles", filter, "name", &results)

	if err != nil {
		code = http.StatusInternalServerError
		return code, h, output, err
	}

	// Create view of the results
	output, err = createListView(results, "Success", code) //Render the results into JSON

	if err != nil {
		code = http.StatusInternalServerError
		return code, h, output, err
	}

	h.Set("Content-Type", fmt.Sprintf("%s; charset=%s", contentType, charset))
	return code, h, output, err
}

// Create function is used to implement the create report request.
// The request is an http POST request with the report description
// provided as json structure in the request body
func Create(r *http.Request, cfg config.Config) (int, http.Header, []byte, error) {

	//STANDARD DECLARATIONS START
	code := http.StatusCreated
	h := http.Header{}
	output := []byte("")
	err := error(nil)
	contentType := "text/xml"
	charset := "utf-8"
	//STANDARD DECLARATIONS END

	contentType, err = respond.ParseAcceptHeader(r)
	h.Set("Content-Type", fmt.Sprintf("%s; charset=%s", contentType, charset))

	if err != nil {
		code = http.StatusNotAcceptable
		output, _ = respond.MarshalContent(respond.NotAcceptableContentType, contentType, "", " ")
		return code, h, output, err
	}

	tenantDbConfig, err := authentication.AuthenticateTenant(r.Header, cfg)

	if err != nil {
		output, _ = respond.MarshalContent(respond.UnauthorizedMessage, contentType, "", " ")
		code = http.StatusUnauthorized //If wrong api key is passed we return UNAUTHORIZED http status
		return code, h, output, err
	}

	//Reading the json input from the request body
	reqBody, err := ioutil.ReadAll(io.LimitReader(r.Body, cfg.Server.ReqSizeLimit))

	if err != nil {
		return code, h, output, err
	}
	input := MongoInterface{}
	//Unmarshalling the json input into byte form

	err = json.Unmarshal(reqBody, &input)

	// Check if json body is malformed
	if err != nil {
		output, _ := respond.MarshalContent(respond.MalformedJSONInput, contentType, "", " ")
		code = http.StatusBadRequest
		h.Set("Content-Type", fmt.Sprintf("%s; charset=%s", contentType, charset))
		return code, h, output, err
	}

	// Try to open the mongo session
	session, err := mongo.OpenSession(tenantDbConfig)
	defer session.Close()

	if err != nil {
		code = http.StatusInternalServerError
		return code, h, output, err
	}

	// Validate profiles given in report
	validationErrors := input.ValidateProfiles(session.DB(tenantDbConfig.Db))

	if len(validationErrors) > 0 {
		code = 422
		out := respond.UnprocessableEntity
		out.Errors = validationErrors
		output = out.MarshalTo(contentType)
		return code, h, output, err
	}

	// Prepare structure for storing query results
	results := []MongoInterface{}

	// Check if report with the same name exists in datastore
	query := searchName(input.Info.Name)
	err = mongo.Find(session, tenantDbConfig.Db, reportsColl, query, "name", &results)

	if err != nil {
		code = http.StatusInternalServerError
		return code, h, output, err
	}

	// If results are returned for the specific name
	// then we already have an existing report and we must
	// abort creation notifing the user
	if len(results) > 0 {
		// Name was found so print the error message in xml
		out := respond.ResponseMessage{
			Status: respond.StatusResponse{
				Message: "Report with the same name already exists",
				Code:    strconv.Itoa(http.StatusConflict),
			}}

		output, _ = respond.MarshalContent(out, contentType, "", " ")

		code = http.StatusConflict
		h.Set("Content-Type", fmt.Sprintf("%s; charset=%s", contentType, charset))
		return code, h, output, err

	}
//.........这里部分代码省略.........

// Delete function used to implement remove report request
func Delete(r *http.Request, cfg config.Config) (int, http.Header, []byte, error) {

	//STANDARD DECLARATIONS START

	code := http.StatusOK
	h := http.Header{}
	output := []byte("")
	err := error(nil)
	contentType := "text/xml"
	charset := "utf-8"

	//STANDARD DECLARATIONS END

	contentType, err = respond.ParseAcceptHeader(r)
	h.Set("Content-Type", fmt.Sprintf("%s; charset=%s", contentType, charset))

	if err != nil {
		code = http.StatusNotAcceptable
		output, _ = respond.MarshalContent(respond.NotAcceptableContentType, contentType, "", " ")
		return code, h, output, err
	}

	tenantDbConfig, err := authentication.AuthenticateTenant(r.Header, cfg)

	if err != nil {
		output, _ = respond.MarshalContent(respond.UnauthorizedMessage, contentType, "", " ")
		code = http.StatusUnauthorized //If wrong api key is passed we return UNAUTHORIZED http status
		return code, h, output, err
	}

	//Extracting record id from url
	id := mux.Vars(r)["id"]

	// Try to open the mongo session
	session, err := mongo.OpenSession(tenantDbConfig)
	defer session.Close()

	if err != nil {
		code = http.StatusInternalServerError
		return code, h, output, err
	}

	// We search by name and delete the document in db
	query := bson.M{"id": id}
	info, err := mongo.Remove(session, tenantDbConfig.Db, reportsColl, query)

	if err != nil {
		if err.Error() != "not found" {
			code = http.StatusInternalServerError
			return code, h, output, err
		}
		//Render the response into XML
		code = http.StatusNotFound
		output, err = ReportNotFound(contentType)
		return code, h, output, err
	}

	// info.Removed > 0 means that many documents have been removed
	// If deletion took place we notify user accordingly.
	// Else we notify that no tenant matched the specific name
	if info.Removed > 0 {
		code = http.StatusOK
		output, err = respond.CreateResponseMessage("Report was successfully deleted", "200", contentType)
	} else {
		code = http.StatusNotFound
		output, err = ReportNotFound(contentType)
	}
	//Render the response into XML
	if err != nil {
		code = http.StatusInternalServerError
		return code, h, output, err
	}

	return code, h, output, err

}

// Update function used to implement update report request.
// This is an http PUT request that gets a specific report's name
// as a urlvar parameter input and a json structure in the request
// body in order to update the datastore document for the specific
// report
func Update(r *http.Request, cfg config.Config) (int, http.Header, []byte, error) {

	//STANDARD DECLARATIONS START
	code := http.StatusOK
	h := http.Header{}
	output := []byte("")
	err := error(nil)
	contentType := "text/xml"
	charset := "utf-8"
	//STANDARD DECLARATIONS END

	contentType, err = respond.ParseAcceptHeader(r)
	h.Set("Content-Type", fmt.Sprintf("%s; charset=%s", contentType, charset))

	if err != nil {
		code = http.StatusNotAcceptable
		output, _ = respond.MarshalContent(respond.NotAcceptableContentType, contentType, "", " ")
		return code, h, output, err
	}

	tenantDbConfig, err := authentication.AuthenticateTenant(r.Header, cfg)

	if err != nil {
		output, _ = respond.MarshalContent(respond.UnauthorizedMessage, contentType, "", " ")
		code = http.StatusUnauthorized //If wrong api key is passed we return UNAUTHORIZED http status
		return code, h, output, err
	}

	//Extracting report name from url
	id := mux.Vars(r)["id"]

	//Reading the json input
	reqBody, err := ioutil.ReadAll(r.Body)

	input := MongoInterface{}
	//Unmarshalling the json input into byte form
	err = json.Unmarshal(reqBody, &input)

	if err != nil {

		// User provided malformed json input data
		output, _ := respond.MarshalContent(respond.MalformedJSONInput, contentType, "", " ")
		code = http.StatusBadRequest
		h.Set("Content-Type", fmt.Sprintf("%s; charset=%s", contentType, charset))
		return code, h, output, err
	}

	sanitizedInput := bson.M{
		"$set": bson.M{
			// "info": bson.M{
			"info.name":        input.Info.Name,
			"info.description": input.Info.Description,
			"info.updated":     time.Now().Format("2006-01-02 15:04:05"),
			// },
			"profiles":        input.Profiles,
			"filter_tags":     input.Tags,
			"topology_schema": input.Topology,
		}}

	// Try to open the mongo session
	session, err := mongo.OpenSession(tenantDbConfig)
	defer session.Close()

	if err != nil {
		code = http.StatusInternalServerError
		return code, h, output, err
	}

	// Validate profiles given in report
	validationErrors := input.ValidateProfiles(session.DB(tenantDbConfig.Db))

	if len(validationErrors) > 0 {
		code = 422
		out := respond.UnprocessableEntity
		out.Errors = validationErrors
		output = out.MarshalTo(contentType)
		return code, h, output, err
	}

	// We search by name and update
	query := bson.M{"id": id}
	err = mongo.Update(session, tenantDbConfig.Db, reportsColl, query, sanitizedInput)
	if err != nil {
		if err.Error() != "not found" {
			code = http.StatusInternalServerError
			return code, h, output, err
		}
		//Render the response into XML
		code = http.StatusNotFound
		output, err = ReportNotFound(contentType)
		return code, h, output, err
	}

	//Render the response into XML
	output, err = respond.CreateResponseMessage("Report was successfully updated", "200", contentType)
//.........这里部分代码省略.........

// ListOne function that implements the http GET request that retrieves
// all avaiable report information
func ListOne(r *http.Request, cfg config.Config) (int, http.Header, []byte, error) {

	//STANDARD DECLARATIONS START
	code := http.StatusOK
	h := http.Header{}
	output := []byte("")
	err := error(nil)
	contentType := "text/xml"
	charset := "utf-8"
	//STANDARD DECLARATIONS END

	contentType, err = respond.ParseAcceptHeader(r)
	h.Set("Content-Type", fmt.Sprintf("%s; charset=%s", contentType, charset))

	if err != nil {
		code = http.StatusNotAcceptable
		output, _ = respond.MarshalContent(respond.NotAcceptableContentType, contentType, "", " ")
		return code, h, output, err
	}

	tenantDbConfig, err := authentication.AuthenticateTenant(r.Header, cfg)

	if err != nil {
		output, _ = respond.MarshalContent(respond.UnauthorizedMessage, contentType, "", " ")
		code = http.StatusUnauthorized //If wrong api key is passed we return UNAUTHORIZED http status
		return code, h, output, err
	}

	//Extracting urlvar "name" from url path

	id := mux.Vars(r)["id"]
	// Try to open the mongo session
	session, err := mongo.OpenSession(tenantDbConfig)
	defer session.Close()

	if err != nil {
		code = http.StatusInternalServerError
		return code, h, output, err
	}

	// Create structure for storing query results
	result := MongoInterface{}
	// Create a simple query object to query by name
	query := bson.M{"id": id}
	// Query collection tenants for the specific tenant name
	err = mongo.FindOne(session, tenantDbConfig.Db, reportsColl, query, &result)

	// If query returned zero result then no tenant matched this name,
	// abort and notify user accordingly
	if err != nil {
		code = http.StatusNotFound
		output, _ := ReportNotFound(contentType)
		h.Set("Content-Type", fmt.Sprintf("%s; charset=%s", contentType, charset))
		return code, h, output, err
	}

	// After successfully retrieving the db results
	// call the createView function to render them into idented xml
	output, err = createView([]MongoInterface{result}, contentType)

	if err != nil {
		code = http.StatusInternalServerError
		return code, h, output, err
	}

	code = http.StatusOK
	h.Set("Content-Type", fmt.Sprintf("%s; charset=%s", contentType, charset))
	return code, h, output, err
}

// List function that implements the http GET request that retrieves
// all avaiable report information
func List(r *http.Request, cfg config.Config) (int, http.Header, []byte, error) {

	//STANDARD DECLARATIONS START
	code := http.StatusOK
	h := http.Header{}
	output := []byte("")
	err := error(nil)
	contentType := "text/xml"
	charset := "utf-8"
	//STANDARD DECLARATIONS END

	urlValues := r.URL.Query()
	contentType, err = respond.ParseAcceptHeader(r)
	h.Set("Content-Type", fmt.Sprintf("%s; charset=%s", contentType, charset))

	if err != nil {
		code = http.StatusNotAcceptable
		output, _ = respond.MarshalContent(respond.NotAcceptableContentType, contentType, "", " ")
		return code, h, output, err
	}

	tenantDbConfig, err := authentication.AuthenticateTenant(r.Header, cfg)

	if err != nil {
		output, _ = respond.MarshalContent(respond.UnauthorizedMessage, contentType, "", " ")
		code = http.StatusUnauthorized //If wrong api key is passed we return UNAUTHORIZED http status
		return code, h, output, err
	}

	// Try to open the mongo session
	session, err := mongo.OpenSession(cfg.MongoDB)
	defer session.Close()

	if err != nil {
		code = http.StatusInternalServerError
		return code, h, output, err
	}

	query := bson.M{}

	if urlValues.Get("name") != "" {
		query["info.name"] = urlValues["name"]
	}

	// Create structure for storing query results
	results := []MongoInterface{}
	// Query tenant collection for all available documents.
	// nil query param == match everything
	err = mongo.Find(session, tenantDbConfig.Db, reportsColl, nil, "id", &results)
	if err != nil {
		code = http.StatusInternalServerError
		return code, h, output, err
	}

	// After successfully retrieving the db results
	// call the createView function to render them into idented xml
	output, err = createView(results, contentType)

	if err != nil {
		code = http.StatusInternalServerError
		return code, h, output, err
	}

	h.Set("Content-Type", fmt.Sprintf("%s; charset=%s", contentType, charset))
	return code, h, output, err
}

//Create a new metric profile
func Create(r *http.Request, cfg config.Config) (int, http.Header, []byte, error) {
	//STANDARD DECLARATIONS START
	code := http.StatusOK
	h := http.Header{}
	output := []byte("")
	err := error(nil)
	charset := "utf-8"
	//STANDARD DECLARATIONS END

	contentType, err := respond.ParseAcceptHeader(r)
	h.Set("Content-Type", fmt.Sprintf("%s; charset=%s", contentType, charset))

	if err != nil {
		code = http.StatusNotAcceptable
		output, _ = respond.MarshalContent(respond.NotAcceptableContentType, contentType, "", " ")
		return code, h, output, err
	}

	tenantDbConfig, err := authentication.AuthenticateTenant(r.Header, cfg)

	if err != nil {
		output, _ = respond.MarshalContent(respond.UnauthorizedMessage, contentType, "", " ")
		code = http.StatusUnauthorized //If wrong api key is passed we return UNAUTHORIZED http status
		return code, h, output, err
	}

	session, err := mongo.OpenSession(tenantDbConfig)
	defer mongo.CloseSession(session)
	if err != nil {
		code = http.StatusInternalServerError
		return code, h, output, err
	}

	incoming := OpsProfile{}

	// Try ingest request body
	body, err := ioutil.ReadAll(io.LimitReader(r.Body, cfg.Server.ReqSizeLimit))
	if err != nil {
		panic(err)
	}
	if err := r.Body.Close(); err != nil {
		panic(err)
	}

	// Parse body json
	if err := json.Unmarshal(body, &incoming); err != nil {
		output, _ = respond.MarshalContent(respond.BadRequestBadJSON, contentType, "", " ")
		code = 400
		return code, h, output, err
	}

	// Validate States
	var errList []string
	errList = append(errList, incoming.validateDuplicates()...)
	errList = append(errList, incoming.validateStates()...)
	errList = append(errList, incoming.validateMentions()...)

	if len(errList) > 0 {
		output, err = createErrView("Validation Error", 422, errList)
		code = 422
		return code, h, output, err
	}

	// Generate new id
	incoming.ID = mongo.NewUUID()
	err = mongo.Insert(session, tenantDbConfig.Db, "operations_profiles", incoming)

	if err != nil {
		panic(err)
	}

	// Create view of the results
	output, err = createRefView(incoming, "Operations Profile successfully created", 201, r) //Render the results into JSON
	code = 201
	return code, h, output, err
}

//Update function to update contents of an existing metric profile
func Update(r *http.Request, cfg config.Config) (int, http.Header, []byte, error) {
	//STANDARD DECLARATIONS START
	code := http.StatusOK
	h := http.Header{}
	output := []byte("")
	err := error(nil)
	charset := "utf-8"
	//STANDARD DECLARATIONS END

	vars := mux.Vars(r)

	contentType, err := respond.ParseAcceptHeader(r)
	h.Set("Content-Type", fmt.Sprintf("%s; charset=%s", contentType, charset))

	if err != nil {
		code = http.StatusNotAcceptable
		output, _ = respond.MarshalContent(respond.NotAcceptableContentType, contentType, "", " ")
		return code, h, output, err
	}

	tenantDbConfig, err := authentication.AuthenticateTenant(r.Header, cfg)

	if err != nil {
		output, _ = respond.MarshalContent(respond.UnauthorizedMessage, contentType, "", " ")
		code = http.StatusUnauthorized //If wrong api key is passed we return UNAUTHORIZED http status
		return code, h, output, err
	}

	incoming := OpsProfile{}

	// ingest body data
	body, err := ioutil.ReadAll(io.LimitReader(r.Body, cfg.Server.ReqSizeLimit))
	if err != nil {
		panic(err)
	}
	if err := r.Body.Close(); err != nil {
		panic(err)
	}
	// parse body json
	if err := json.Unmarshal(body, &incoming); err != nil {
		output, _ = respond.MarshalContent(respond.BadRequestBadJSON, contentType, "", " ")
		code = 400
		return code, h, output, err
	}

	session, err := mongo.OpenSession(tenantDbConfig)
	defer mongo.CloseSession(session)
	if err != nil {
		code = http.StatusInternalServerError
		return code, h, output, err
	}

	// create filter to retrieve specific profile with id
	filter := bson.M{"id": vars["ID"]}

	incoming.ID = vars["ID"]

	// Retrieve Results from database
	results := []OpsProfile{}
	err = mongo.Find(session, tenantDbConfig.Db, "operations_profiles", filter, "name", &results)

	if err != nil {
		panic(err)
	}

	// Check if nothing found
	if len(results) < 1 {
		output, _ = respond.MarshalContent(respond.NotFound, contentType, "", " ")
		code = 404
		return code, h, output, err
	}

	// Validate States
	var errList []string
	errList = append(errList, incoming.validateDuplicates()...)
	errList = append(errList, incoming.validateStates()...)
	errList = append(errList, incoming.validateMentions()...)

	if len(errList) > 0 {
		output, err = createErrView("Validation Error", 422, errList)
		code = 422
		return code, h, output, err
	}

	// run the update query
	err = mongo.Update(session, tenantDbConfig.Db, "operations_profiles", filter, incoming)

	if err != nil {
		code = http.StatusInternalServerError
		return code, h, output, err
	}

	// Create view for response message
	output, err = createMsgView("Operations Profile successfully updated", 200) //Render the results into JSON
	code = 200
	return code, h, output, err
}

func routeGroup(r *http.Request, cfg config.Config) (int, http.Header, []byte, error) {

	//STANDARD DECLARATIONS START
	code := http.StatusOK
	h := http.Header{}
	output := []byte("")
	err := error(nil)
	contentType := "application/xml"
	charset := "utf-8"
	//STANDARD DECLARATIONS END

	// Handle response format based on Accept Header
	// Default is application/xml
	format := r.Header.Get("Accept")
	if strings.EqualFold(format, "application/json") {
		contentType = "application/json"
	}

	vars := mux.Vars(r)
	tenantcfg, err := authentication.AuthenticateTenant(r.Header, cfg)
	if err != nil {
		if err.Error() == "Unauthorized" {
			code = http.StatusUnauthorized
			message := err.Error()
			output, err = createErrorMessage(message, contentType)
			h.Set("Content-Type", fmt.Sprintf("%s; charset=%s", contentType, charset))
			return code, h, output, err
		}
		code = http.StatusInternalServerError
		return code, h, output, err
	}
	session, err := mongo.OpenSession(tenantcfg)
	defer mongo.CloseSession(session)

	if err != nil {
		return code, h, output, err
	}

	requestedReport := reports.MongoInterface{}
	err = mongo.FindOne(session, tenantcfg.Db, "reports", bson.M{"info.name": vars["report_name"]}, &requestedReport)

	if err != nil {

		code = http.StatusBadRequest
		message := "The report with the name " + vars["report_name"] + " does not exist"
		output, err := createErrorMessage(message, contentType) //Render the response into XML or JSON
		h.Set("Content-Type", fmt.Sprintf("%s; charset=%s", contentType, charset))
		return code, h, output, err
	}

	selectedGroupType := requestedReport.DetermineGroupType(vars["group_type"])

	if selectedGroupType == "endpoint" {
		if vars["lgroup_type"] == "" {
			vars["lgroup_type"] = vars["group_type"]
			vars["lgroup_name"] = vars["group_name"]
			vars["group_type"] = ""
			vars["group_name"] = ""
		}
		return ListEndpointGroupResults(r, cfg)
	} else if selectedGroupType == "group" {
		return ListSuperGroupResults(r, cfg)
	}

	code = http.StatusBadRequest
	message := "The report " + vars["report_name"] + " does not define any group type: " + vars["group_type"]
	output, err = createErrorMessage(message, format) //Render the response into XML or JSON
	h.Set("Content-Type", fmt.Sprintf("%s; charset=%s", format, charset))
	return code, h, output, err

}

// ListOne handles the listing of one specific profile based on its given id
func ListOne(r *http.Request, cfg config.Config) (int, http.Header, []byte, error) {

	//STANDARD DECLARATIONS START

	code := http.StatusOK
	h := http.Header{}
	output := []byte("")
	err := error(nil)
	contentType := "text/xml"
	charset := "utf-8"

	//STANDARD DECLARATIONS END

	// Content Negotiation
	contentType, err = respond.ParseAcceptHeader(r)
	h.Set("Content-Type", fmt.Sprintf("%s; charset=%s", contentType, charset))

	vars := mux.Vars(r)

	if err != nil {
		code = http.StatusNotAcceptable
		output, _ = respond.MarshalContent(respond.NotAcceptableContentType, contentType, "", " ")
		return code, h, output, err
	}

	// Tenant Authentication
	tenantDbConfig, err := authentication.AuthenticateTenant(r.Header, cfg)

	if err != nil {
		output, _ = respond.MarshalContent(respond.UnauthorizedMessage, contentType, "", " ")
		code = http.StatusUnauthorized //If wrong api key is passed we return UNAUTHORIZED http status
		return code, h, output, err
	}

	// Open session to tenant database
	session, err := mongo.OpenSession(tenantDbConfig)
	defer mongo.CloseSession(session)

	if err != nil {
		code = http.StatusInternalServerError
		return code, h, output, err
	}

	filter := bson.M{"id": vars["ID"]}

	// Retrieve Results from database
	results := []OpsProfile{}
	err = mongo.Find(session, tenantDbConfig.Db, "operations_profiles", filter, "name", &results)

	if err != nil {
		code = http.StatusInternalServerError
		return code, h, output, err
	}

	// Check if nothing found
	if len(results) < 1 {
		output, _ = respond.MarshalContent(respond.NotFound, contentType, "", " ")
		code = 404
		return code, h, output, err
	}

	// Create view of the results
	output, err = createListView(results, "Success", code) //Render the results into JSON

	if err != nil {
		code = http.StatusInternalServerError
		return code, h, output, err
	}

	h.Set("Content-Type", fmt.Sprintf("%s; charset=%s", contentType, charset))
	return code, h, output, err
}

//.........这里部分代码省略.........

	c.Insert(bson.M{
		"id": "6ac7d684-1f8e-4a02-a502-720e8f11e50d",
		"info": bson.M{
			"name":    "AVENGERS",
			"email":   "[email protected]",
			"website": "www.gotg.com",
			"created": "2015-10-20 02:08:04",
			"updated": "2015-10-20 02:08:04"},
		"db_conf": []bson.M{
			bson.M{
				"store":    "main",
				"server":   "localhost",
				"port":     27017,
				"database": "argotest_egroups_eudat",
				"username": "",
				"password": ""},
		},
		"users": []bson.M{
			bson.M{
				"name":    "eudat_user",
				"email":   "[email protected]",
				"api_key": "KEY2"},
		}})

	// get dbconfiguration based on the tenant
	// Prepare the request object
	request, _ := http.NewRequest("GET", "", strings.NewReader(""))
	// add the content-type header to application/json
	request.Header.Set("Content-Type", "application/json")
	// add the authentication token which is seeded in testdb
	request.Header.Set("x-api-key", "KEY1")
	// authenticate user's api key and find corresponding tenant
	suite.tenantDbConf, err = authentication.AuthenticateTenant(request.Header, suite.cfg)

	// Now seed the report DEFINITIONS
	c = session.DB(suite.tenantDbConf.Db).C("reports")
	c.Insert(bson.M{
		"id": "eba61a9e-22e9-4521-9e47-ecaa4a494364",
		"info": bson.M{
			"name":        "Report_A",
			"description": "report aaaaa",
			"created":     "2015-9-10 13:43:00",
			"updated":     "2015-10-11 13:43:00",
		},
		"topology_schema": bson.M{
			"group": bson.M{
				"type": "NGI",
				"group": bson.M{
					"type": "SITES",
				},
			},
		},
		"profiles": []bson.M{
			bson.M{
				"id":   "6ac7d684-1f8e-4a02-a502-720e8f11e50b",
				"type": "metric",
				"name": "profile1"},
			bson.M{
				"id":   "6ac7d684-1f8e-4a02-a502-720e8f11e523",
				"type": "operations",
				"name": "profile2"},
			bson.M{
				"id":   "6ac7d684-1f8e-4a02-a502-720e8f11e50q",
				"type": "aggregation",
				"name": "profile3"},

// GetMetricResult returns the detailed message from a probe
func GetMetricResult(r *http.Request, cfg config.Config) (int, http.Header, []byte, error) {

	//STANDARD DECLARATIONS START
	code := http.StatusOK
	h := http.Header{}
	output := []byte("")
	err := error(nil)
	contentType := "application/xml"
	charset := "utf-8"
	//STANDARD DECLARATIONS END

	tenantDbConfig, err := authentication.AuthenticateTenant(r.Header, cfg)
	if err != nil {
		if err.Error() == "Unauthorized" {
			code = http.StatusUnauthorized
			return code, h, output, err
		}
		code = http.StatusInternalServerError
		return code, h, output, err
	}

	// Parse the request into the input
	urlValues := r.URL.Query()
	vars := mux.Vars(r)

	input := metricResultQuery{
		EndpointName: vars["endpoint_name"],
		MetricName:   vars["metric_name"],
		Format:       r.Header.Get("Accept"),
		ExecTime:     urlValues.Get("exec_time"),
	}

	// TODO: Decide which format (xml or json) should be the default
	if input.Format == "application/xml" {
		contentType = "application/xml"
	} else if input.Format == "application/json" {
		contentType = "application/json"
	}

	h.Set("Content-Type", fmt.Sprintf("%s; charset=%s", contentType, charset))

	session, err := mongo.OpenSession(tenantDbConfig)
	defer mongo.CloseSession(session)

	if err != nil {
		code = http.StatusInternalServerError
		return code, h, output, err
	}

	result := metricResultOutput{}

	metricCol := session.DB(tenantDbConfig.Db).C("status_metrics")

	// Query the detailed metric results
	err = metricCol.Find(prepQuery(input)).One(&result)

	output, err = createMetricResultView(result, input.Format)

	if err != nil {
		code = http.StatusInternalServerError
		return code, h, output, err
	}

	return code, h, output, err
}