mirror of https://github.com/grafana/grafana.git
269 lines
11 KiB
Go
269 lines
11 KiB
Go
package setting
|
|
|
|
import (
|
|
"math/rand"
|
|
"strconv"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/stretchr/testify/require"
|
|
"gopkg.in/ini.v1"
|
|
)
|
|
|
|
func TestCfg_ReadUnifiedAlertingSettings(t *testing.T) {
|
|
cfg := NewCfg()
|
|
err := cfg.Load(CommandLineArgs{HomePath: "../../", Config: "../../conf/defaults.ini"})
|
|
require.NoError(t, err)
|
|
|
|
// It sets the correct defaults.
|
|
{
|
|
require.Equal(t, 60*time.Second, cfg.UnifiedAlerting.AdminConfigPollInterval)
|
|
require.Equal(t, 60*time.Second, cfg.UnifiedAlerting.AlertmanagerConfigPollInterval)
|
|
require.Equal(t, 15*time.Second, cfg.UnifiedAlerting.HAPeerTimeout)
|
|
require.Equal(t, "0.0.0.0:9094", cfg.UnifiedAlerting.HAListenAddr)
|
|
require.Equal(t, "", cfg.UnifiedAlerting.HAAdvertiseAddr)
|
|
require.Len(t, cfg.UnifiedAlerting.HAPeers, 0)
|
|
require.Equal(t, 200*time.Millisecond, cfg.UnifiedAlerting.HAGossipInterval)
|
|
require.Equal(t, 60*time.Second, cfg.UnifiedAlerting.HAPushPullInterval)
|
|
}
|
|
|
|
// With peers set, it correctly parses them.
|
|
{
|
|
require.Len(t, cfg.UnifiedAlerting.HAPeers, 0)
|
|
s, err := cfg.Raw.NewSection("unified_alerting")
|
|
require.NoError(t, err)
|
|
_, err = s.NewKey("ha_peers", "hostname1:9090,hostname2:9090,hostname3:9090")
|
|
require.NoError(t, err)
|
|
|
|
require.NoError(t, cfg.ReadUnifiedAlertingSettings(cfg.Raw))
|
|
require.Len(t, cfg.UnifiedAlerting.HAPeers, 3)
|
|
require.ElementsMatch(t, []string{"hostname1:9090", "hostname2:9090", "hostname3:9090"}, cfg.UnifiedAlerting.HAPeers)
|
|
}
|
|
}
|
|
|
|
func TestUnifiedAlertingSettings(t *testing.T) {
|
|
testCases := []struct {
|
|
desc string
|
|
unifiedAlertingOptions map[string]string
|
|
alertingOptions map[string]string
|
|
verifyCfg func(*testing.T, Cfg)
|
|
}{
|
|
{
|
|
desc: "when the unified options do not equal the defaults, it should not apply the legacy ones",
|
|
unifiedAlertingOptions: map[string]string{
|
|
"admin_config_poll_interval": "120s",
|
|
"max_attempts": "6",
|
|
"min_interval": "60s",
|
|
"execute_alerts": "false",
|
|
"evaluation_timeout": "90s",
|
|
},
|
|
alertingOptions: map[string]string{
|
|
"max_attempts": strconv.FormatInt(schedulerDefaultMaxAttempts, 10),
|
|
"min_interval_seconds": strconv.FormatInt(schedulerDefaultLegacyMinInterval, 10),
|
|
"execute_alerts": strconv.FormatBool(schedulereDefaultExecuteAlerts),
|
|
"evaluation_timeout_seconds": strconv.FormatInt(int64(evaluatorDefaultEvaluationTimeout.Seconds()), 10),
|
|
},
|
|
verifyCfg: func(t *testing.T, cfg Cfg) {
|
|
require.Equal(t, 120*time.Second, cfg.UnifiedAlerting.AdminConfigPollInterval)
|
|
require.Equal(t, int64(6), cfg.UnifiedAlerting.MaxAttempts)
|
|
require.Equal(t, 60*time.Second, cfg.UnifiedAlerting.MinInterval)
|
|
require.Equal(t, false, cfg.UnifiedAlerting.ExecuteAlerts)
|
|
require.Equal(t, 90*time.Second, cfg.UnifiedAlerting.EvaluationTimeout)
|
|
require.Equal(t, SchedulerBaseInterval, cfg.UnifiedAlerting.BaseInterval)
|
|
require.Equal(t, DefaultRuleEvaluationInterval, cfg.UnifiedAlerting.DefaultRuleEvaluationInterval)
|
|
},
|
|
},
|
|
{
|
|
desc: "when the unified options equal the defaults, it should apply the legacy ones",
|
|
unifiedAlertingOptions: map[string]string{
|
|
"admin_config_poll_interval": "120s",
|
|
"max_attempts": strconv.FormatInt(schedulerDefaultMaxAttempts, 10),
|
|
"min_interval": SchedulerBaseInterval.String(),
|
|
"execute_alerts": strconv.FormatBool(schedulereDefaultExecuteAlerts),
|
|
"evaluation_timeout": evaluatorDefaultEvaluationTimeout.String(),
|
|
},
|
|
alertingOptions: map[string]string{
|
|
"max_attempts": "12",
|
|
"min_interval_seconds": "120",
|
|
"execute_alerts": "true",
|
|
"evaluation_timeout_seconds": "160",
|
|
},
|
|
verifyCfg: func(t *testing.T, cfg Cfg) {
|
|
require.Equal(t, 120*time.Second, cfg.UnifiedAlerting.AdminConfigPollInterval)
|
|
require.Equal(t, int64(12), cfg.UnifiedAlerting.MaxAttempts)
|
|
require.Equal(t, 120*time.Second, cfg.UnifiedAlerting.MinInterval)
|
|
require.Equal(t, true, cfg.UnifiedAlerting.ExecuteAlerts)
|
|
require.Equal(t, 160*time.Second, cfg.UnifiedAlerting.EvaluationTimeout)
|
|
require.Equal(t, SchedulerBaseInterval, cfg.UnifiedAlerting.BaseInterval)
|
|
require.Equal(t, 120*time.Second, cfg.UnifiedAlerting.DefaultRuleEvaluationInterval)
|
|
},
|
|
},
|
|
{
|
|
desc: "when both unified and legacy options are invalid, apply the defaults",
|
|
unifiedAlertingOptions: map[string]string{
|
|
"max_attempts": "invalid",
|
|
"min_interval": "invalid",
|
|
"execute_alerts": "invalid",
|
|
"evaluation_timeouts": "invalid",
|
|
},
|
|
alertingOptions: map[string]string{
|
|
"max_attempts": "invalid",
|
|
"min_interval_seconds": "invalid",
|
|
"execute_alerts": "invalid",
|
|
"evaluation_timeout_seconds": "invalid",
|
|
},
|
|
verifyCfg: func(t *testing.T, cfg Cfg) {
|
|
require.Equal(t, alertmanagerDefaultConfigPollInterval, cfg.UnifiedAlerting.AdminConfigPollInterval)
|
|
require.Equal(t, int64(schedulerDefaultMaxAttempts), cfg.UnifiedAlerting.MaxAttempts)
|
|
require.Equal(t, SchedulerBaseInterval, cfg.UnifiedAlerting.MinInterval)
|
|
require.Equal(t, schedulereDefaultExecuteAlerts, cfg.UnifiedAlerting.ExecuteAlerts)
|
|
require.Equal(t, evaluatorDefaultEvaluationTimeout, cfg.UnifiedAlerting.EvaluationTimeout)
|
|
require.Equal(t, SchedulerBaseInterval, cfg.UnifiedAlerting.BaseInterval)
|
|
require.Equal(t, DefaultRuleEvaluationInterval, cfg.UnifiedAlerting.DefaultRuleEvaluationInterval)
|
|
},
|
|
},
|
|
{
|
|
desc: "when unified alerting options are invalid, apply legacy options",
|
|
unifiedAlertingOptions: map[string]string{
|
|
"max_attempts": "invalid",
|
|
"min_interval": "invalid",
|
|
"execute_alerts": "invalid",
|
|
"evaluation_timeout": "invalid",
|
|
},
|
|
alertingOptions: map[string]string{
|
|
"max_attempts": "12",
|
|
"min_interval_seconds": "120",
|
|
"execute_alerts": "false",
|
|
"evaluation_timeout_seconds": "160",
|
|
},
|
|
verifyCfg: func(t *testing.T, cfg Cfg) {
|
|
require.Equal(t, alertmanagerDefaultConfigPollInterval, cfg.UnifiedAlerting.AdminConfigPollInterval)
|
|
require.Equal(t, int64(12), cfg.UnifiedAlerting.MaxAttempts)
|
|
require.Equal(t, 120*time.Second, cfg.UnifiedAlerting.MinInterval)
|
|
require.Equal(t, false, cfg.UnifiedAlerting.ExecuteAlerts)
|
|
require.Equal(t, 160*time.Second, cfg.UnifiedAlerting.EvaluationTimeout)
|
|
require.Equal(t, SchedulerBaseInterval, cfg.UnifiedAlerting.BaseInterval)
|
|
require.Equal(t, 120*time.Second, cfg.UnifiedAlerting.DefaultRuleEvaluationInterval)
|
|
},
|
|
},
|
|
}
|
|
|
|
for _, tc := range testCases {
|
|
t.Run(tc.desc, func(t *testing.T) {
|
|
f := ini.Empty()
|
|
cfg := NewCfg()
|
|
cfg.IsFeatureToggleEnabled = func(key string) bool { return false }
|
|
unifiedAlertingSec, err := f.NewSection("unified_alerting")
|
|
require.NoError(t, err)
|
|
for k, v := range tc.unifiedAlertingOptions {
|
|
_, err = unifiedAlertingSec.NewKey(k, v)
|
|
require.NoError(t, err)
|
|
}
|
|
alertingSec, err := f.NewSection("alerting")
|
|
require.NoError(t, err)
|
|
for k, v := range tc.alertingOptions {
|
|
_, err = alertingSec.NewKey(k, v)
|
|
require.NoError(t, err)
|
|
}
|
|
err = cfg.ReadUnifiedAlertingSettings(f)
|
|
require.NoError(t, err)
|
|
tc.verifyCfg(t, *cfg)
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestMinInterval(t *testing.T) {
|
|
randPredicate := func(predicate func(dur time.Duration) bool) *time.Duration {
|
|
for {
|
|
v := time.Duration(rand.Intn(99)+1) * time.Second
|
|
if predicate(v) {
|
|
return &v
|
|
}
|
|
}
|
|
}
|
|
|
|
testCases := []struct {
|
|
desc string
|
|
minInterval *time.Duration
|
|
legacyMinInterval *time.Duration
|
|
verifyCfg func(*testing.T, *Cfg, error)
|
|
}{
|
|
{
|
|
desc: "should fail if min interval is less than base interval",
|
|
minInterval: randPredicate(func(dur time.Duration) bool { return dur < SchedulerBaseInterval }),
|
|
verifyCfg: func(t *testing.T, cfg *Cfg, err error) {
|
|
require.Error(t, err)
|
|
require.Contains(t, err.Error(), "min_interval")
|
|
},
|
|
},
|
|
{
|
|
desc: "should fail if min interval is not multiple of base interval",
|
|
minInterval: randPredicate(func(dur time.Duration) bool { return dur > SchedulerBaseInterval && dur%SchedulerBaseInterval != 0 }),
|
|
verifyCfg: func(t *testing.T, cfg *Cfg, err error) {
|
|
require.Error(t, err)
|
|
require.Contains(t, err.Error(), "min_interval")
|
|
},
|
|
},
|
|
{
|
|
desc: "should not fail if min interval is multiple of base interval",
|
|
minInterval: randPredicate(func(dur time.Duration) bool { return dur > SchedulerBaseInterval && dur%SchedulerBaseInterval == 0 }),
|
|
verifyCfg: func(t *testing.T, cfg *Cfg, err error) {
|
|
require.NoError(t, err)
|
|
},
|
|
},
|
|
{
|
|
desc: "should fail if fallback to legacy min interval and it is not multiple of base interval",
|
|
legacyMinInterval: randPredicate(func(dur time.Duration) bool { return dur > SchedulerBaseInterval && dur%SchedulerBaseInterval != 0 }),
|
|
verifyCfg: func(t *testing.T, cfg *Cfg, err error) {
|
|
require.Error(t, err)
|
|
require.Contains(t, err.Error(), "min_interval")
|
|
},
|
|
},
|
|
{
|
|
desc: "should not fail if fallback to legacy min interval it is multiple of base interval",
|
|
legacyMinInterval: randPredicate(func(dur time.Duration) bool { return dur >= SchedulerBaseInterval && dur%SchedulerBaseInterval == 0 }),
|
|
verifyCfg: func(t *testing.T, cfg *Cfg, err error) {
|
|
require.NoError(t, err)
|
|
},
|
|
},
|
|
{
|
|
desc: "should adjust DefaultRuleEvaluationInterval to min interval if it is greater",
|
|
minInterval: randPredicate(func(dur time.Duration) bool {
|
|
return dur%SchedulerBaseInterval == 0 && dur > DefaultRuleEvaluationInterval
|
|
}),
|
|
verifyCfg: func(t *testing.T, cfg *Cfg, err error) {
|
|
require.Equal(t, cfg.UnifiedAlerting.MinInterval, cfg.UnifiedAlerting.DefaultRuleEvaluationInterval)
|
|
},
|
|
},
|
|
{
|
|
desc: "should fallback to the default if legacy interval is less than base",
|
|
legacyMinInterval: randPredicate(func(dur time.Duration) bool { return dur < SchedulerBaseInterval }),
|
|
verifyCfg: func(t *testing.T, cfg *Cfg, err error) {
|
|
require.Equal(t, SchedulerBaseInterval, cfg.UnifiedAlerting.MinInterval)
|
|
},
|
|
},
|
|
}
|
|
|
|
for _, testCase := range testCases {
|
|
t.Run(testCase.desc, func(t *testing.T) {
|
|
f := ini.Empty()
|
|
if testCase.minInterval != nil {
|
|
section, err := f.NewSection("unified_alerting")
|
|
require.NoError(t, err)
|
|
_, err = section.NewKey("min_interval", testCase.minInterval.String())
|
|
require.NoError(t, err)
|
|
}
|
|
if testCase.legacyMinInterval != nil {
|
|
alertingSec, err := f.NewSection("alerting")
|
|
require.NoError(t, err)
|
|
_, err = alertingSec.NewKey("min_interval_seconds", strconv.Itoa(int(testCase.legacyMinInterval.Seconds())))
|
|
require.NoError(t, err)
|
|
}
|
|
cfg := NewCfg()
|
|
cfg.IsFeatureToggleEnabled = func(key string) bool { return false }
|
|
err := cfg.ReadUnifiedAlertingSettings(f)
|
|
testCase.verifyCfg(t, cfg, err)
|
|
})
|
|
}
|
|
}
|