fix breaking changes

Signed-off-by: alanprot <alanprot@gmail.com>

Author: alanprot

pkg/alertmanager/alertmanager.go

@@ -5,6 +5,7 @@ import (
 	"crypto/md5"
 	"encoding/binary"
 	"fmt"
+	"github.com/prometheus/alertmanager/featurecontrol"
 	"net/http"
 	"net/url"
 	"path"
@@ -86,6 +87,8 @@ type Config struct {
 	PersisterConfig   PersisterConfig
 	APIConcurrency    int
 	GCInterval        time.Duration
+
+	FeatureFlags string
 }
 
 // An Alertmanager manages the alerts for one user.
@@ -243,7 +246,13 @@ func New(cfg *Config, reg *prometheus.Registry) (*Alertmanager, error) {
 		}
 	}
 
-	am.pipelineBuilder = notify.NewPipelineBuilder(am.registry)
+	featureConfig, err := featurecontrol.NewFlags(am.logger, cfg.FeatureFlags)
+	if err != nil {
+		level.Error(am.logger).Log("msg", "error parsing the feature flag list", "err", err)
+		return nil, errors.Wrap(err, "error parsing the feature flag list")
+	}
+
+	am.pipelineBuilder = notify.NewPipelineBuilder(am.registry, featureConfig)
 
 	am.wg.Add(1)
 	go func() {
@@ -390,7 +399,7 @@ func (am *Alertmanager) ApplyConfig(userID string, conf *config.Config, rawCfg s
 		waitFunc,
 		am.inhibitor,
 		silence.NewSilencer(am.silences, am.marker, am.logger),
-		timeIntervals,
+		timeinterval.NewIntervener(timeIntervals),
 		am.nflog,
 		am.state,
 	)
@@ -495,7 +504,7 @@ func buildReceiverIntegrations(nc config.Receiver, tmpl *template.Template, fire
 				return
 			}
 			n = wrapper(name, n)
-			integrations = append(integrations, notify.NewIntegration(n, rs, name, i))
+			integrations = append(integrations, notify.NewIntegration(n, rs, name, i, nc.Name))
 		}
 	)
 

pkg/alertmanager/multitenant.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"flag"
 	"fmt"
+	"github.com/prometheus/alertmanager/featurecontrol"
 	"net/http"
 	"net/url"
 	"os"
@@ -68,6 +69,7 @@ type MultitenantAlertmanagerConfig struct {
 	ExternalURL    flagext.URLValue `yaml:"external_url"`
 	PollInterval   time.Duration    `yaml:"poll_interval"`
 	MaxRecvMsgSize int64            `yaml:"max_recv_msg_size"`
+	FeatureFlags   string           `yaml:"feature_flags"`
 
 	// Enable sharding for the Alertmanager
 	ShardingEnabled bool       `yaml:"sharding_enabled"`
@@ -124,6 +126,7 @@ func (cfg *MultitenantAlertmanagerConfig) RegisterFlags(f *flag.FlagSet) {
 	f.BoolVar(&cfg.ShardingEnabled, "alertmanager.sharding-enabled", false, "Shard tenants across multiple alertmanager instances.")
 	f.Var(&cfg.EnabledTenants, "alertmanager.enabled-tenants", "Comma separated list of tenants whose alerts this alertmanager can process. If specified, only these tenants will be handled by alertmanager, otherwise this alertmanager can process alerts from all tenants.")
 	f.Var(&cfg.DisabledTenants, "alertmanager.disabled-tenants", "Comma separated list of tenants whose alerts this alertmanager cannot process. If specified, a alertmanager that would normally pick the specified tenant(s) for processing will ignore them instead.")
+	f.StringVar(&cfg.FeatureFlags, "alertmanager.enable-feature", "", fmt.Sprintf("Prometheus AlertManager experimental features to enable. The flag can be repeated to enable multiple features. Valid options: %s", strings.Join(featurecontrol.AllowedFlags, ", ")))
 
 	cfg.AlertmanagerClient.RegisterFlagsWithPrefix("alertmanager.alertmanager-client", f)
 	cfg.Persister.RegisterFlagsWithPrefix("alertmanager", f)
@@ -977,6 +980,7 @@ func (am *MultitenantAlertmanager) newAlertmanager(userID string, amConfig *amco
 		Limits:            am.limits,
 		APIConcurrency:    am.cfg.APIConcurrency,
 		GCInterval:        am.cfg.GCInterval,
+		FeatureFlags:      am.cfg.FeatureFlags,
 	}, reg)
 	if err != nil {
 		return nil, fmt.Errorf("unable to start Alertmanager for user %v: %v", userID, err)