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Implement paging and refactor stores to match new store interface with paging

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This commit is contained in:
TwinProduction
2021-07-14 22:26:51 -04:00
committed by Chris
parent 677c7faffe
commit 7126d36d85
19 changed files with 421 additions and 404 deletions
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107
core/uptime.go
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@ -1,7 +1,6 @@
package core
import (
"log"
"time"
)
@ -44,109 +43,3 @@ func NewUptime() *Uptime {
HourlyStatistics: make(map[int64]*HourlyUptimeStatistics),
}
}
// ProcessResult processes the result by extracting the relevant from the result and recalculating the uptime
// if necessary
func (uptime *Uptime) ProcessResult(result *Result) {
// XXX: Remove this on v3.0.0
if len(uptime.SuccessfulExecutionsPerHour) != 0 || len(uptime.TotalExecutionsPerHour) != 0 {
uptime.migrateToHourlyStatistics()
}
if uptime.HourlyStatistics == nil {
uptime.HourlyStatistics = make(map[int64]*HourlyUptimeStatistics)
}
unixTimestampFlooredAtHour := result.Timestamp.Truncate(time.Hour).Unix()
hourlyStats, _ := uptime.HourlyStatistics[unixTimestampFlooredAtHour]
if hourlyStats == nil {
hourlyStats = &HourlyUptimeStatistics{}
uptime.HourlyStatistics[unixTimestampFlooredAtHour] = hourlyStats
}
if result.Success {
hourlyStats.SuccessfulExecutions++
}
hourlyStats.TotalExecutions++
hourlyStats.TotalExecutionsResponseTime += uint64(result.Duration.Milliseconds())
// Clean up only when we're starting to have too many useless keys
// Note that this is only triggered when there are more entries than there should be after
// 10 days, despite the fact that we are deleting everything that's older than 7 days.
// This is to prevent re-iterating on every `ProcessResult` as soon as the uptime has been logged for 7 days.
if len(uptime.HourlyStatistics) > numberOfHoursInTenDays {
sevenDaysAgo := time.Now().Add(-(sevenDays + time.Hour)).Unix()
for hourlyUnixTimestamp := range uptime.HourlyStatistics {
if sevenDaysAgo > hourlyUnixTimestamp {
delete(uptime.HourlyStatistics, hourlyUnixTimestamp)
}
}
}
if result.Success {
// Recalculate uptime if at least one of the 1h, 24h or 7d uptime are not 100%
// If they're all 100%, then recalculating the uptime would be useless unless
// the result added was a failure (!result.Success)
if uptime.LastSevenDays != 1 || uptime.LastTwentyFourHours != 1 || uptime.LastHour != 1 {
uptime.recalculate()
}
} else {
// Recalculate uptime if at least one of the 1h, 24h or 7d uptime are not 0%
// If they're all 0%, then recalculating the uptime would be useless unless
// the result added was a success (result.Success)
if uptime.LastSevenDays != 0 || uptime.LastTwentyFourHours != 0 || uptime.LastHour != 0 {
uptime.recalculate()
}
}
}
func (uptime *Uptime) recalculate() {
uptimeBrackets := make(map[string]uint64)
now := time.Now()
// The oldest uptime bracket starts 7 days ago, so we'll start from there
timestamp := now.Add(-sevenDays)
for now.Sub(timestamp) >= 0 {
hourlyUnixTimestamp := timestamp.Truncate(time.Hour).Unix()
hourlyStats := uptime.HourlyStatistics[hourlyUnixTimestamp]
if hourlyStats == nil || hourlyStats.TotalExecutions == 0 {
timestamp = timestamp.Add(time.Hour)
continue
}
uptimeBrackets["7d_success"] += hourlyStats.SuccessfulExecutions
uptimeBrackets["7d_total"] += hourlyStats.TotalExecutions
if now.Sub(timestamp) <= 24*time.Hour {
uptimeBrackets["24h_success"] += hourlyStats.SuccessfulExecutions
uptimeBrackets["24h_total"] += hourlyStats.TotalExecutions
}
if now.Sub(timestamp) <= time.Hour {
uptimeBrackets["1h_success"] += hourlyStats.SuccessfulExecutions
uptimeBrackets["1h_total"] += hourlyStats.TotalExecutions
}
timestamp = timestamp.Add(time.Hour)
}
if uptimeBrackets["7d_total"] > 0 {
uptime.LastSevenDays = float64(uptimeBrackets["7d_success"]) / float64(uptimeBrackets["7d_total"])
}
if uptimeBrackets["24h_total"] > 0 {
uptime.LastTwentyFourHours = float64(uptimeBrackets["24h_success"]) / float64(uptimeBrackets["24h_total"])
}
if uptimeBrackets["1h_total"] > 0 {
uptime.LastHour = float64(uptimeBrackets["1h_success"]) / float64(uptimeBrackets["1h_total"])
}
}
// XXX: Remove this on v3.0.0
// Deprecated
func (uptime *Uptime) migrateToHourlyStatistics() {
log.Println("[migrateToHourlyStatistics] Got", len(uptime.SuccessfulExecutionsPerHour), "entries for successful executions and", len(uptime.TotalExecutionsPerHour), "entries for total executions")
uptime.HourlyStatistics = make(map[int64]*HourlyUptimeStatistics)
for hourlyUnixTimestamp, totalExecutions := range uptime.TotalExecutionsPerHour {
if totalExecutions == 0 {
log.Println("[migrateToHourlyStatistics] Skipping entry at", hourlyUnixTimestamp, "because total number of executions is 0")
continue
}
uptime.HourlyStatistics[hourlyUnixTimestamp] = &HourlyUptimeStatistics{
TotalExecutions: totalExecutions,
SuccessfulExecutions: uptime.SuccessfulExecutionsPerHour[hourlyUnixTimestamp],
TotalExecutionsResponseTime: 0,
}
}
log.Println("[migrateToHourlyStatistics] Migrated", len(uptime.HourlyStatistics), "entries")
uptime.SuccessfulExecutionsPerHour = nil
uptime.TotalExecutionsPerHour = nil
}