mirror of
https://github.com/prometheus/alertmanager
synced 2024-12-23 22:53:27 +00:00
provider: remove in-memory provider
Remove the in-memory provider. It will be equivalent to a 1-peer gossip setup.
This commit is contained in:
Fabian Reinartz
parent
4b3830310e
commit
bc0897bb8f
@ -10,12 +10,12 @@
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package notify
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import (
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"fmt"
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"reflect"
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"sync"
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"testing"
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"time"
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@ -405,3 +405,53 @@ func TestInhibitNotifier(t *testing.T) {
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t.Fatalf("Muting failed, expected: %v\ngot %v", out, got)
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}
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}
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type testInfos struct {
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mtx sync.RWMutex
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m map[string]map[model.Fingerprint]*types.NotifyInfo
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}
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func newTestInfos() *testInfos {
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return &testInfos{
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m: map[string]map[model.Fingerprint]*types.NotifyInfo{},
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}
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}
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// Set implements the Notifies interface.
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func (n *testInfos) Set(ns ...*types.NotifyInfo) error {
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n.mtx.Lock()
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defer n.mtx.Unlock()
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for _, v := range ns {
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if v == nil {
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continue
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}
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am, ok := n.m[v.Receiver]
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if !ok {
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am = map[model.Fingerprint]*types.NotifyInfo{}
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n.m[v.Receiver] = am
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}
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am[v.Alert] = v
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}
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return nil
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}
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// Get implements the Notifies interface.
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func (n *testInfos) Get(dest string, fps ...model.Fingerprint) ([]*types.NotifyInfo, error) {
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n.mtx.RLock()
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defer n.mtx.RUnlock()
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res := make([]*types.NotifyInfo, len(fps))
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ns, ok := n.m[dest]
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if !ok {
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return res, nil
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}
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for i, fp := range fps {
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res[i] = ns[fp]
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}
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return res, nil
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}
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311
provider/mem.go
311
provider/mem.go
@ -1,311 +0,0 @@
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// Copyright 2015 Prometheus Team
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package provider
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import (
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"sync"
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"github.com/prometheus/common/model"
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"github.com/prometheus/alertmanager/types"
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)
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// MemData contains the data backing MemAlerts and MemNotifies.
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type MemData struct {
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mtx sync.RWMutex
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alerts map[model.Fingerprint]*types.Alert
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notifies map[string]map[model.Fingerprint]*types.NotifyInfo
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}
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// NewMemData contains an empty but initialized MemData instance.
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func NewMemData() *MemData {
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return &MemData{
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alerts: map[model.Fingerprint]*types.Alert{},
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notifies: map[string]map[model.Fingerprint]*types.NotifyInfo{},
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}
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}
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// MemAlerts implements an Alerts provider based on in-memory data.
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type MemAlerts struct {
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data *MemData
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mtx sync.RWMutex
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listeners map[int]chan *types.Alert
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next int
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}
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// NewMemAlerts returns a new MemAlerts based on the provided data.
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func NewMemAlerts(data *MemData) *MemAlerts {
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return &MemAlerts{
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data: data,
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listeners: map[int]chan *types.Alert{},
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}
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}
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// Subscribe implements the Alerts interface.
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func (a *MemAlerts) Subscribe() AlertIterator {
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a.mtx.Lock()
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defer a.mtx.Unlock()
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a.data.mtx.Lock()
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defer a.data.mtx.Unlock()
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var (
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alerts = a.getPending()
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ch = make(chan *types.Alert, 200)
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done = make(chan struct{})
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)
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i := a.next
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a.next++
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a.listeners[i] = ch
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go func() {
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defer func() {
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a.mtx.Lock()
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delete(a.listeners, i)
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close(ch)
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a.mtx.Unlock()
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}()
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for _, a := range alerts {
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select {
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case ch <- a:
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case <-done:
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return
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}
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}
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<-done
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}()
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return alertIterator{
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ch: ch,
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done: done,
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}
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}
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// GetPending implements the Alerts interface.
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func (a *MemAlerts) GetPending() AlertIterator {
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a.mtx.Lock()
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defer a.mtx.Unlock()
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a.data.mtx.Lock()
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defer a.data.mtx.Unlock()
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var (
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alerts = a.getPending()
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ch = make(chan *types.Alert, 200)
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done = make(chan struct{})
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)
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go func() {
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defer close(ch)
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for _, a := range alerts {
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select {
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case ch <- a:
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case <-done:
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return
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}
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}
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}()
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return alertIterator{
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ch: ch,
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done: done,
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}
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}
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func (a *MemAlerts) getPending() []*types.Alert {
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// Get fingerprints for all alerts that have pending notifications.
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over := map[model.Fingerprint]struct{}{}
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for _, ns := range a.data.notifies {
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for fp, notify := range ns {
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if notify.Resolved {
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over[fp] = struct{}{}
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}
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}
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}
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// All alerts that have pending notifications are part of the
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// new scubscription.
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var alerts []*types.Alert
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for _, a := range a.data.alerts {
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if _, ok := over[a.Fingerprint()]; !ok {
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alerts = append(alerts, a)
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}
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}
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return alerts
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}
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// Put implements the Alerts interface.
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func (a *MemAlerts) Put(alerts ...*types.Alert) error {
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a.mtx.Lock()
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defer a.mtx.Unlock()
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a.data.mtx.Lock()
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defer a.data.mtx.Unlock()
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for _, alert := range alerts {
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fp := alert.Fingerprint()
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// Merge the alert with the existant one.
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if old, ok := a.data.alerts[fp]; ok {
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alert = old.Merge(alert)
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}
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a.data.alerts[fp] = alert
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for _, ch := range a.listeners {
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ch <- alert
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}
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}
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return nil
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}
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// Get implements the Alerts interface.
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func (a *MemAlerts) Get(fp model.Fingerprint) (*types.Alert, error) {
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a.data.mtx.RLock()
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defer a.data.mtx.RUnlock()
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if a, ok := a.data.alerts[fp]; ok {
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return a, nil
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}
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return nil, ErrNotFound
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}
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// MemNotifies implements a Notifies provider based on in-memory data.
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type MemNotifies struct {
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data *MemData
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}
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// NewMemNotifies returns a new MemNotifies based on the provided data.
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func NewMemNotifies(data *MemData) *MemNotifies {
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return &MemNotifies{data: data}
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}
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// Set implements the Notifies interface.
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func (n *MemNotifies) Set(ns ...*types.NotifyInfo) error {
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n.data.mtx.Lock()
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defer n.data.mtx.Unlock()
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for _, notify := range ns {
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if notify == nil {
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continue
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}
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am, ok := n.data.notifies[notify.Receiver]
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if !ok {
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am = map[model.Fingerprint]*types.NotifyInfo{}
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n.data.notifies[notify.Receiver] = am
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}
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am[notify.Alert] = notify
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}
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return nil
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}
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// Get implements the Notifies interface.
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func (n *MemNotifies) Get(dest string, fps ...model.Fingerprint) ([]*types.NotifyInfo, error) {
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n.data.mtx.RLock()
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defer n.data.mtx.RUnlock()
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res := make([]*types.NotifyInfo, len(fps))
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ns, ok := n.data.notifies[dest]
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if !ok {
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return res, nil
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}
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for i, fp := range fps {
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res[i] = ns[fp]
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}
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return res, nil
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}
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// MemSilences implements a Silences provider based on in-memory data.
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type MemSilences struct {
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mtx sync.RWMutex
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silences map[uint64]*model.Silence
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}
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// NewMemSilences returns a new MemSilences.
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func NewMemSilences() *MemSilences {
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return &MemSilences{
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silences: map[uint64]*model.Silence{},
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}
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}
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// Mutes implements the Muter interface.
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func (s *MemSilences) Mutes(lset model.LabelSet) bool {
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s.mtx.RLock()
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defer s.mtx.RUnlock()
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for _, sil := range s.silences {
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if types.NewSilence(sil).Mutes(lset) {
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return true
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}
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}
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return false
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}
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// All implements the Silences interface.
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func (s *MemSilences) All() ([]*types.Silence, error) {
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s.mtx.RLock()
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defer s.mtx.RUnlock()
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var sils []*types.Silence
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for _, sil := range s.silences {
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sils = append(sils, types.NewSilence(sil))
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}
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return sils, nil
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}
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// Set impelements the Silences interface.
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func (s *MemSilences) Set(sil *types.Silence) (uint64, error) {
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s.mtx.Lock()
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defer s.mtx.Unlock()
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if sil.ID == 0 {
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sil.ID = uint64(len(s.silences) + 1)
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} else {
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if _, ok := s.silences[sil.ID]; !ok {
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return 0, ErrNotFound
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}
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}
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s.silences[sil.ID] = &sil.Silence
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return sil.ID, nil
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}
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// Del implements the Silences interface.
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func (s *MemSilences) Del(id uint64) error {
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s.mtx.Lock()
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defer s.mtx.Unlock()
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delete(s.silences, id)
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return nil
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}
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// Get implements the Silences interface.
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func (s *MemSilences) Get(id uint64) (*types.Silence, error) {
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s.mtx.RLock()
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defer s.mtx.RUnlock()
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sil, ok := s.silences[id]
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if !ok {
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return nil, ErrNotFound
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}
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return types.NewSilence(sil), nil
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}
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