112 lines
3.6 KiB
Go
112 lines
3.6 KiB
Go
// Copyright 2018 Prometheus Team
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package cli
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"os"
|
|
"strings"
|
|
|
|
"github.com/alecthomas/kingpin/v2"
|
|
"github.com/xlab/treeprint"
|
|
|
|
"github.com/prometheus/alertmanager/api/v2/models"
|
|
"github.com/prometheus/alertmanager/dispatch"
|
|
"github.com/prometheus/alertmanager/matchers/compat"
|
|
"github.com/prometheus/alertmanager/pkg/labels"
|
|
)
|
|
|
|
const routingTestHelp = `Test alert routing
|
|
|
|
Will return receiver names which the alert with given labels resolves to.
|
|
If the labelset resolves to multiple receivers, they are printed out in order as defined in the routing tree.
|
|
|
|
Routing is loaded from a local configuration file or a running Alertmanager configuration.
|
|
Specifying --config.file takes precedence over --alertmanager.url.
|
|
|
|
Example:
|
|
|
|
./amtool config routes test --config.file=doc/examples/simple.yml --verify.receivers=team-DB-pager service=database
|
|
|
|
`
|
|
|
|
func configureRoutingTestCmd(cc *kingpin.CmdClause, c *routingShow) {
|
|
routingTestCmd := cc.Command("test", routingTestHelp)
|
|
|
|
routingTestCmd.Flag("verify.receivers", "Checks if specified receivers matches resolved receivers. The command fails if the labelset does not route to the specified receivers.").StringVar(&c.expectedReceivers)
|
|
routingTestCmd.Flag("tree", "Prints out matching routes tree.").BoolVar(&c.debugTree)
|
|
routingTestCmd.Arg("labels", "List of labels to be tested against the configured routes.").StringsVar(&c.labels)
|
|
routingTestCmd.Action(execWithTimeout(c.routingTestAction))
|
|
}
|
|
|
|
// resolveAlertReceivers returns list of receiver names which given LabelSet resolves to.
|
|
func resolveAlertReceivers(mainRoute *dispatch.Route, labels *models.LabelSet) ([]string, error) {
|
|
var (
|
|
finalRoutes []*dispatch.Route
|
|
receivers []string
|
|
)
|
|
finalRoutes = mainRoute.Match(convertClientToCommonLabelSet(*labels))
|
|
for _, r := range finalRoutes {
|
|
receivers = append(receivers, r.RouteOpts.Receiver)
|
|
}
|
|
return receivers, nil
|
|
}
|
|
|
|
func printMatchingTree(mainRoute *dispatch.Route, ls models.LabelSet) {
|
|
tree := treeprint.New()
|
|
getMatchingTree(mainRoute, tree, ls)
|
|
fmt.Println("Matching routes:")
|
|
fmt.Println(tree.String())
|
|
fmt.Print("\n")
|
|
}
|
|
|
|
func (c *routingShow) routingTestAction(ctx context.Context, _ *kingpin.ParseContext) error {
|
|
cfg, err := loadAlertmanagerConfig(ctx, alertmanagerURL, c.configFile)
|
|
if err != nil {
|
|
kingpin.Fatalf("%v\n", err)
|
|
return err
|
|
}
|
|
|
|
mainRoute := dispatch.NewRoute(cfg.Route, nil)
|
|
|
|
// Parse labels to LabelSet.
|
|
ls := make(models.LabelSet, len(c.labels))
|
|
for _, l := range c.labels {
|
|
matcher, err := compat.Matcher(l)
|
|
if err != nil {
|
|
kingpin.Fatalf("Failed to parse labels: %v\n", err)
|
|
}
|
|
if matcher.Type != labels.MatchEqual {
|
|
kingpin.Fatalf("%s\n", "Labels must be specified as key=value pairs")
|
|
}
|
|
ls[matcher.Name] = matcher.Value
|
|
}
|
|
|
|
if c.debugTree {
|
|
printMatchingTree(mainRoute, ls)
|
|
}
|
|
|
|
receivers, err := resolveAlertReceivers(mainRoute, &ls)
|
|
receiversSlug := strings.Join(receivers, ",")
|
|
fmt.Printf("%s\n", receiversSlug)
|
|
|
|
if c.expectedReceivers != "" && c.expectedReceivers != receiversSlug {
|
|
fmt.Printf("WARNING: Expected receivers did not match resolved receivers.\n")
|
|
os.Exit(1)
|
|
}
|
|
|
|
return err
|
|
}
|