Import code from internal repository (#1)

Import code from internal repository

models/models.go

@@ -0,0 +1,133 @@
+package models
+
+import "time"
+
+// AlertManagerAlert is vanilla alert object from AlertManager
+type AlertManagerAlert struct {
+	Annotations  map[string]string `json:"annotations"`
+	Labels       map[string]string `json:"labels"`
+	StartsAt     time.Time         `json:"startsAt"`
+	EndsAt       time.Time         `json:"endsAt"`
+	GeneratorURL string            `json:"generatorURL"`
+	Inhibited    bool              `json:"inhibited"`
+	Silenced     int               `json:"silenced"`
+}
+
+// AlertManagerAlertGroup is vanilla group object from AlertManager, exposed under api/v1/alerts/groups
+type AlertManagerAlertGroup struct {
+	Labels map[string]string `json:"labels"`
+	Blocks []struct {
+		Alerts []AlertManagerAlert `json:"alerts"`
+	} `json:"blocks"`
+}
+
+// AlertManagerSilence is vanilla silence object from AlertManager, exposed under api/v1/silences
+type AlertManagerSilence struct {
+	ID       int `json:"id"`
+	Matchers []struct {
+		Name    string `json:"name"`
+		Value   string `json:"value"`
+		IsRegex bool   `json:"isRegex"`
+	} `json:"matchers"`
+	StartsAt  time.Time `json:"startsAt"`
+	EndsAt    time.Time `json:"endsAt"`
+	CreatedAt time.Time `json:"createdAt"`
+	CreatedBy string    `json:"createdBy"`
+	Comment   string    `json:"comment"`
+}
+
+// UnseeSilence is vanilla silence + some additional attributes
+// Unsee adds JIRA support, it can extract JIRA IDs from comments
+// extracted ID is used to generate link to JIRA issue
+// this means Unsee needs to store additional fields for each silence
+type UnseeSilence struct {
+	AlertManagerSilence
+	JiraID  string `json:"jiraID"`
+	JiraURL string `json:"jiraURL"`
+}
+
+// UnseeAlert is vanilla alert + some additional attributes
+// Unsee extends an alert object with Links map, it's generated from annotations
+// if annotation value is an url it's pulled out of annotation map
+// and returned under links field, Unsee UI used this to show links differently
+// than other annotations
+type UnseeAlert struct {
+	AlertManagerAlert
+	Links map[string]string `json:"links"`
+}
+
+// UnseeAlertList is flat list of UnseeAlert objects
+type UnseeAlertList []UnseeAlert
+
+func (a UnseeAlertList) Len() int {
+	return len(a)
+
+}
+func (a UnseeAlertList) Swap(i, j int) {
+	a[i], a[j] = a[j], a[i]
+}
+func (a UnseeAlertList) Less(i, j int) bool {
+	// compare timestamps rounded up to 2s, subsecond accuracy is lost to keep
+	// ordering stable even with small time drift
+	return a[i].StartsAt.Round(2 * time.Second).After(a[j].StartsAt.Round(2 * time.Second))
+}
+
+// UnseeAlertGroup is vanilla AlertManager group, but alerts are flattened
+// There is a hash computed from all alerts, it's used by UI to quickly tell
+// if there was any change in a group and it needs to refresh it
+type UnseeAlertGroup struct {
+	Labels          map[string]string `json:"labels"`
+	Alerts          UnseeAlertList    `json:"alerts"`
+	ID              string            `json:"id"`
+	Hash            string            `json:"hash"`
+	SilencedCount   int               `json:"silencedCount"`
+	UnsilencedCount int               `json:"unsilencedCount"`
+}
+
+// UnseeFilter holds returned data on any filter passed by the user as part of the query
+type UnseeFilter struct {
+	Text    string `json:"text"`
+	Hits    int    `json:"hits"`
+	IsValid bool   `json:"isValid"`
+}
+
+// UnseeColor is used by UnseeLabelColor to reprenset colors as RGBA
+type UnseeColor struct {
+	Red   uint8 `json:"red"`
+	Green uint8 `json:"green"`
+	Blue  uint8 `json:"blue"`
+	Alpha uint8 `json:"alpha"`
+}
+
+// UnseeLabelColor holds color information for labels that should be colored in the UI
+// every configured label will have a distinct coloring for each value
+type UnseeLabelColor struct {
+	Font       UnseeColor `json:"font"`
+	Background UnseeColor `json:"background"`
+}
+
+// UnseeColorMap is a map of "Label Key" -> "Label Value" -> UnseeLabelColor
+type UnseeColorMap map[string]map[string]UnseeLabelColor
+
+// UnseeCountMap is a map of "Label Key" -> "Label Value" -> number of occurence
+type UnseeCountMap map[string]map[string]int
+
+// UnseeAlertsResponse is the structure of JSON response UI will use to get alert data
+type UnseeAlertsResponse struct {
+	Status      string                  `json:"status"`
+	Error       string                  `json:"error,omitempty"`
+	Timestamp   string                  `json:"timestamp"`
+	Version     string                  `json:"version"`
+	AlertGroups []UnseeAlertGroup       `json:"groups"`
+	Silences    map[string]UnseeSilence `json:"silences"`
+	Colors      UnseeColorMap           `json:"colors"`
+	Filters     []UnseeFilter           `json:"filters"`
+	Counters    UnseeCountMap           `json:"counters"`
+}
+
+// UnseeAutocomplete is the structure of autocomplete object for filter hints
+// this is internal represenation, not what's returned to the user
+type UnseeAutocomplete struct {
+	Value  string   `json:"value"`
+	Tokens []string `json:"tokens"`
+}