mirror of
https://github.com/Luzifer/mondash.git
synced 2024-12-23 04:21:18 +00:00
Merge remote-tracking branch 'alphahat/master'
This commit is contained in:
commit
55386a5eab
5 changed files with 168 additions and 23 deletions
1
.gitignore
vendored
1
.gitignore
vendored
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@ -1,3 +1,4 @@
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gin-bin
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mondash
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Godeps/_workspace/
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*.sh
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23
main.go
23
main.go
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@ -5,13 +5,13 @@ import (
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"fmt"
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"io/ioutil"
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"net/http"
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"os"
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//"os"
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"time"
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"log"
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//"log"
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"launchpad.net/goamz/aws"
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"launchpad.net/goamz/s3"
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//"launchpad.net/goamz/aws"
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//"launchpad.net/goamz/s3"
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"github.com/flosch/pongo2"
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"github.com/go-martini/martini"
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@ -20,18 +20,19 @@ import (
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)
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var templates = make(map[string]*pongo2.Template)
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var s3Storage *s3.Bucket
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//var s3Storage *s3.Bucket
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func main() {
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preloadTemplates()
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// Initialize S3 storage
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awsAuth, err := aws.EnvAuth()
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if err != nil {
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log.Fatal(err)
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}
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s3Conn := s3.New(awsAuth, aws.EUWest)
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s3Storage = s3Conn.Bucket(os.Getenv("S3Bucket"))
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//awsAuth, err := aws.EnvAuth()
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//if err != nil {
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// log.Fatal(err)
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//}
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//s3Conn := s3.New(awsAuth, aws.USEast)
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//s3Storage = s3Conn.Bucket(os.Getenv("S3Bucket"))
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m := martini.Classic()
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119
structs.go
119
structs.go
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@ -3,10 +3,13 @@ package main
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import (
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"encoding/json"
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"errors"
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"io/ioutil"
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//"launchpad.net/goamz/s3"
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"log"
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//"os"
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"sort"
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"strconv"
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"time"
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"launchpad.net/goamz/s3"
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)
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type dashboard struct {
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@ -16,7 +19,7 @@ type dashboard struct {
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}
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func loadDashboard(dashid string) (*dashboard, error) {
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data, err := s3Storage.Get(dashid)
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data, err := ioutil.ReadFile(dashid + ".txt")
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if err != nil {
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return &dashboard{}, errors.New("Dashboard not found")
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}
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@ -33,7 +36,8 @@ func (d *dashboard) Save() {
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log.Printf("Error while marshalling dashboard: %s", err)
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return
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}
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err = s3Storage.Put(d.DashboardID, data, "application/json", s3.Private)
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err = ioutil.WriteFile(d.DashboardID+".txt", data, 0600)
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if err != nil {
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log.Printf("Error while storing dashboard: %s", err)
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}
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@ -52,6 +56,7 @@ type dashboardMetric struct {
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Title string `json:"title"`
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Description string `json:"description"`
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Status string `json:"status"`
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Value float64 `json:"value,omitifempty"`
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Expires int64 `json:"expires,omitifempty"`
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Freshness int64 `json:"freshness,omitifempty"`
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HistoricalData dashboardMetricHistory `json:"history,omitifempty"`
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@ -61,6 +66,7 @@ type dashboardMetric struct {
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type dashboardMetricStatus struct {
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Time time.Time `json:"time"`
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Status string `json:"status"`
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Value float64 `json:"value"`
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}
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type dashboardMetricMeta struct {
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@ -83,20 +89,121 @@ func newDashboardMetric() *dashboardMetric {
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}
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}
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func median(values []float64) float64 {
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sort.Float64s(values)
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if len(values) == 1 {
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return values[0]
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}
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// If even, take an average
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if len(values)%2 == 0 {
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return 0.5*values[len(values)/2] + 0.5*values[len(values)/2-1]
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}
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log.Printf("len(values)=%v, len(values)/2=%v\n", len(values), len(values)/2)
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return values[len(values)/2-1]
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}
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func absoluteValue(value float64) float64 {
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if value < 0 {
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value = -value
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}
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return value
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}
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func absoluteDeviation(values []float64) []float64 {
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medianValue := median(values)
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deviation := make([]float64, len(values))
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for i, _ := range values {
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deviation[i] = absoluteValue(values[i] - medianValue)
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}
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return deviation
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}
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func (dm *dashboardMetric) getValueArray() []float64 {
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values := make([]float64, 0)
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for _, v := range dm.HistoricalData {
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values = append(values, v.Value)
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}
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return values
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}
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func (dm *dashboardMetric) Median() float64 {
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return median(dm.getValueArray())
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}
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func (dm *dashboardMetric) MedianAbsoluteDeviation() (float64, float64) {
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values := dm.getValueArray()
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medianValue := dm.Median()
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return medianValue, median(absoluteDeviation(values))
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}
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func (dm *dashboardMetric) MadMultiplier() float64 {
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medianValue, MAD := dm.MedianAbsoluteDeviation()
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return absoluteValue(dm.Value-medianValue) / MAD
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}
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func (dm *dashboardMetric) StatisticalStatus() string {
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mult := dm.MadMultiplier()
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if mult > 4 {
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return "Critical"
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} else if mult > 3 {
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return "Warning"
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}
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return "OK"
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}
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func (dm *dashboardMetric) LabelHistory() string {
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s := "["
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for i, v := range dm.HistoricalData {
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if i != 0 {
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s = s + ", "
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}
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s = s + "" + strconv.Itoa(int(v.Time.Unix())) + ""
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}
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s = s + "]"
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return s
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}
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func (dm *dashboardMetric) DataHistory() string {
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s := "["
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for i, v := range dm.HistoricalData {
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if i != 0 {
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s = s + ", "
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}
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s = s + strconv.FormatFloat(v.Value, 'g', 4, 64)
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}
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s = s + "]"
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return s
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}
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func (dm *dashboardMetric) Update(m *dashboardMetric) {
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dm.Title = m.Title
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dm.Description = m.Description
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dm.Status = m.Status
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dm.Value = m.Value
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if m.Expires != 0 {
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dm.Expires = m.Expires
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}
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if m.Freshness != 0 {
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dm.Freshness = m.Freshness
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}
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dm.HistoricalData = append(dashboardMetricHistory{dashboardMetricStatus{
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dm.HistoricalData = append(dm.HistoricalData, dashboardMetricStatus{
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Time: time.Now(),
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Status: m.Status,
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}}, dm.HistoricalData...)
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Value: m.Value,
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})
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countStatus := make(map[string]float64)
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@ -10,6 +10,24 @@
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<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.2/css/bootstrap.min.css">
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<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.2/css/bootstrap-theme.min.css">
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<!-- Chartist Library -->
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<link rel="stylesheet" href="//cdn.jsdelivr.net/chartist.js/latest/chartist.min.css">
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<script src="//cdn.jsdelivr.net/chartist.js/latest/chartist.min.js"></script>
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<script>
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function timeConverter(UNIX_timestamp){
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var a = new Date(UNIX_timestamp*1000);
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var months = ['Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec'];
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var year = a.getFullYear();
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var month = months[a.getMonth()];
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var date = a.getDate();
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var hour = a.getHours();
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var min = a.getMinutes();
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var sec = a.getSeconds();
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var time = date + ' ' + month + ' ' + year + ' ' + hour + ':' + min + ':' + sec ;
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return time;
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}
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</script>
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<!-- HTML5 shim and Respond.js for IE8 support of HTML5 elements and media queries -->
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<!-- WARNING: Respond.js doesn't work if you view the page via file:// -->
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<!--[if lt IE 9]>
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@ -63,11 +81,11 @@
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</div>
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{% else %}
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{% for metric in metrics %}
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{% if metric.Status == "OK" %}
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{% if metric.StatisticalStatus == "OK" %}
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<div class="row alert alert-success">
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{% elif metric.Status == "Warning" %}
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{% elif metric.StatisticalStatus == "Warning" %}
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<div class="row alert alert-warning">
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{% elif metric.Status == "Critical" %}
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{% elif metric.StatisticalStatus == "Critical" %}
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<div class="row alert alert-danger">
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{% else %}
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<div class="row alert alert-info">
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@ -75,6 +93,24 @@
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<div class="col-md-9">
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<h4>{{ metric.Title }}</h4>
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<p>{{ metric.Description }}</p>
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<span><span class="label label-info">Current Value: {{ metric.Value }}</span> {{ metric.MadMultiplier }} MAD above the Median ({{ metric.Median }})</span>
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<div class="ct-chart {{metric.MetricID}} .ct-double-octave"></div>
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<script>
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var data = {
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// A labels array that can contain any sort of values
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labels: {{ metric.LabelHistory }},
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// Our series array that contains series objects or in this case series data arrays
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series: [
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{{ metric.DataHistory }}
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]
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};
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for (var i = 0; i < data.labels.length; i++) {
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data.labels[i] = timeConverter(data.labels[i]);
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}
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new Chartist.Line('.{{metric.MetricID}}', data);
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</script>
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<small>
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Updated {{ metric.Meta.LastUpdate|naturaltime}}
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{% if metric.Status != "OK" %}
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@ -19,10 +19,10 @@ func handleRedirectWelcome(res http.ResponseWriter, req *http.Request) {
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func handleCreateRandomDashboard(res http.ResponseWriter, req *http.Request) {
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urlProposal := generateAPIKey()[0:20]
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_, err := s3Storage.Get(urlProposal)
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_, err := ioutil.ReadFile(urlProposal + ".txt")
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for err == nil {
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urlProposal = generateAPIKey()[0:20]
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_, err = s3Storage.Get(urlProposal)
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_, err = ioutil.ReadFile(urlProposal + ".txt")
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}
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http.Redirect(res, req, fmt.Sprintf("/%s", urlProposal), http.StatusTemporaryRedirect)
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}
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@ -62,7 +62,7 @@ func handleDeleteDashboard(params martini.Params, req *http.Request, res http.Re
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return
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}
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_ = s3Storage.Del(params["dashid"])
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//_ = s3Storage.Del(params["dashid"])
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http.Error(res, "OK", http.StatusOK)
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}
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