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Cleanup metrics statuses #475

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Merged
merged 4 commits into from
Sep 18, 2019
Merged

Cleanup metrics statuses #475

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8b39085
Cleanup metrics statuses
vishalbollu Sep 18, 2019
e6a71bb
Respond with empty APIMetrics object instead of nil
vishalbollu Sep 18, 2019
1d907d1
Show empty predictions even if there is an error otherwise don't show…
vishalbollu Sep 18, 2019
94b6f23
Fix typo
vishalbollu Sep 18, 2019
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92 changes: 55 additions & 37 deletions cli/cmd/get.go
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Original file line number Diff line number Diff line change
Expand Up @@ -244,20 +244,19 @@ func describeAPI(name string, resourcesRes *schema.GetResourcesResponse, flagVer
Rows: [][]interface{}{row},
}

var predictionMetrics string
var out string
apiMetrics, err := getAPIMetrics(ctx.App.Name, api.Name)
if err != nil || apiMetrics == nil {
predictionMetrics = "\nmetrics are not available yet\n"
} else {
statusTable = appendNetworkMetrics(statusTable, apiMetrics)
if api.Tracker != nil {
predictionMetrics = "\n" + predictionMetricsTable(apiMetrics, api) + "\n"
statusTable = appendNetworkMetrics(statusTable, apiMetrics) // adds blank stats when there is an error
out = "\n" + table.MustFormat(statusTable) + "\n"

if err != nil {
if !strings.Contains(err.Error(), "api is still initializing") {
out += fmt.Sprintf("\nerror fetching metrics: %s\n", err.Error())
}
} else if api.Tracker != nil {
out += "\n" + predictionMetricsTable(apiMetrics, api) + "\n"
}

out := "\n" + table.MustFormat(statusTable) + "\n"
out += predictionMetrics

out += "\n" + console.Bold("url: ") + apiEndpoint

if !flagVerbose {
Expand Down Expand Up @@ -292,27 +291,38 @@ func getAPIMetrics(appName, apiName string) (*schema.APIMetrics, error) {
}

func appendNetworkMetrics(apiTable table.Table, apiMetrics *schema.APIMetrics) table.Table {
headers := []table.Header{
{Title: "avg latency", Hidden: apiMetrics.NetworkStats.Latency == nil},
{Title: "2XX", Hidden: apiMetrics.NetworkStats.Code2XX == 0},
{Title: "4XX", Hidden: apiMetrics.NetworkStats.Code4XX == 0},
{Title: "5XX", Hidden: apiMetrics.NetworkStats.Code5XX == 0},
}

latency := ""
if apiMetrics.NetworkStats.Latency != nil {
if *apiMetrics.NetworkStats.Latency < 1000 {
latency = fmt.Sprintf("%.6g ms", *apiMetrics.NetworkStats.Latency)
} else {
latency = fmt.Sprintf("%.6g s", (*apiMetrics.NetworkStats.Latency)/1000)
latency := "-"
code2XX := "-"
code4XX := 0
code5XX := 0

if apiMetrics != nil && apiMetrics.NetworkStats != nil {
code4XX = apiMetrics.NetworkStats.Code4XX
code5XX = apiMetrics.NetworkStats.Code5XX
if apiMetrics.NetworkStats.Latency != nil {
if *apiMetrics.NetworkStats.Latency < 1000 {
latency = fmt.Sprintf("%.6g ms", *apiMetrics.NetworkStats.Latency)
} else {
latency = fmt.Sprintf("%.6g s", (*apiMetrics.NetworkStats.Latency)/1000)
}
}
if apiMetrics.NetworkStats.Code2XX != 0 {
code2XX = s.Int(apiMetrics.NetworkStats.Code2XX)
}
}

headers := []table.Header{
{Title: "avg latency"},
{Title: "2XX"},
{Title: "4XX", Hidden: code4XX == 0},
{Title: "5XX", Hidden: code5XX == 0},
}

row := []interface{}{
latency,
apiMetrics.NetworkStats.Code2XX,
apiMetrics.NetworkStats.Code4XX,
apiMetrics.NetworkStats.Code5XX,
code2XX,
code4XX,
code5XX,
}

apiTable.Headers = append(apiTable.Headers, headers...)
Expand All @@ -327,25 +337,29 @@ func predictionMetricsTable(apiMetrics *schema.APIMetrics, api *context.API) str
}

if api.Tracker.ModelType == userconfig.ClassificationModelType {

return classificationMetricsTable(apiMetrics)
}
return regressionMetricsTable(apiMetrics)
}

func regressionMetricsTable(apiMetrics *schema.APIMetrics) string {
minStr := "-"
if apiMetrics.RegressionStats.Min != nil {
minStr = fmt.Sprintf("%.9g", *apiMetrics.RegressionStats.Min)
}

maxStr := "-"
if apiMetrics.RegressionStats.Max != nil {
maxStr = fmt.Sprintf("%.9g", *apiMetrics.RegressionStats.Max)
}

avgStr := "-"
if apiMetrics.RegressionStats.Avg != nil {
avgStr = fmt.Sprintf("%.9g", *apiMetrics.RegressionStats.Avg)

if apiMetrics != nil && apiMetrics.RegressionStats != nil {
if apiMetrics.RegressionStats.Min != nil {
minStr = fmt.Sprintf("%.9g", *apiMetrics.RegressionStats.Min)
}

if apiMetrics.RegressionStats.Max != nil {
maxStr = fmt.Sprintf("%.9g", *apiMetrics.RegressionStats.Max)
}

if apiMetrics.RegressionStats.Avg != nil {
avgStr = fmt.Sprintf("%.9g", *apiMetrics.RegressionStats.Avg)
}
}

t := table.Table{
Expand All @@ -361,7 +375,11 @@ func regressionMetricsTable(apiMetrics *schema.APIMetrics) string {
}

func classificationMetricsTable(apiMetrics *schema.APIMetrics) string {
classList := make([]string, len(apiMetrics.ClassDistribution))
numClasses := 0
if apiMetrics != nil {
numClasses = len(apiMetrics.ClassDistribution)
}
classList := make([]string, numClasses)

i := 0
for inputName := range apiMetrics.ClassDistribution {
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Will this be a nil pointer if apiMetrics is nil? (same question for other references to apiMetrics in this function)

Expand Down