120 lines
3.3 KiB
Go
120 lines
3.3 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 (
|
|
"bytes"
|
|
"context"
|
|
"fmt"
|
|
|
|
"github.com/alecthomas/kingpin/v2"
|
|
"github.com/xlab/treeprint"
|
|
|
|
"github.com/prometheus/alertmanager/api/v2/models"
|
|
"github.com/prometheus/alertmanager/dispatch"
|
|
)
|
|
|
|
type routingShow struct {
|
|
configFile string
|
|
labels []string
|
|
expectedReceivers string
|
|
debugTree bool
|
|
}
|
|
|
|
const (
|
|
routingHelp = `Prints alert routing tree
|
|
|
|
Will print whole routing tree in form of ASCII tree view.
|
|
|
|
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 [show] --config.file=doc/examples/simple.yml
|
|
|
|
`
|
|
branchSlugSeparator = " "
|
|
)
|
|
|
|
func configureRoutingCmd(app *kingpin.CmdClause) {
|
|
var (
|
|
c = &routingShow{}
|
|
routingCmd = app.Command("routes", routingHelp)
|
|
routingShowCmd = routingCmd.Command("show", routingHelp).Default()
|
|
configFlag = routingCmd.Flag("config.file", "Config file to be tested.")
|
|
)
|
|
configFlag.ExistingFileVar(&c.configFile)
|
|
routingShowCmd.Action(execWithTimeout(c.routingShowAction))
|
|
configureRoutingTestCmd(routingCmd, c)
|
|
}
|
|
|
|
func (c *routingShow) routingShowAction(ctx context.Context, _ *kingpin.ParseContext) error {
|
|
// Load configuration from file or URL.
|
|
cfg, err := loadAlertmanagerConfig(ctx, alertmanagerURL, c.configFile)
|
|
if err != nil {
|
|
kingpin.Fatalf("%s", err)
|
|
return err
|
|
}
|
|
route := dispatch.NewRoute(cfg.Route, nil)
|
|
tree := treeprint.New()
|
|
convertRouteToTree(route, tree)
|
|
fmt.Println("Routing tree:")
|
|
fmt.Println(tree.String())
|
|
return nil
|
|
}
|
|
|
|
func getRouteTreeSlug(route *dispatch.Route, showContinue, showReceiver bool) string {
|
|
var branchSlug bytes.Buffer
|
|
if route.Matchers.Len() == 0 {
|
|
branchSlug.WriteString("default-route")
|
|
} else {
|
|
branchSlug.WriteString(route.Matchers.String())
|
|
}
|
|
if route.Continue && showContinue {
|
|
branchSlug.WriteString(branchSlugSeparator)
|
|
branchSlug.WriteString("continue: true")
|
|
}
|
|
if showReceiver {
|
|
branchSlug.WriteString(branchSlugSeparator)
|
|
branchSlug.WriteString("receiver: ")
|
|
branchSlug.WriteString(route.RouteOpts.Receiver)
|
|
}
|
|
return branchSlug.String()
|
|
}
|
|
|
|
func convertRouteToTree(route *dispatch.Route, tree treeprint.Tree) {
|
|
branch := tree.AddBranch(getRouteTreeSlug(route, true, true))
|
|
for _, r := range route.Routes {
|
|
convertRouteToTree(r, branch)
|
|
}
|
|
}
|
|
|
|
func getMatchingTree(route *dispatch.Route, tree treeprint.Tree, lset models.LabelSet) {
|
|
final := true
|
|
branch := tree.AddBranch(getRouteTreeSlug(route, false, false))
|
|
for _, r := range route.Routes {
|
|
if r.Matchers.Matches(convertClientToCommonLabelSet(lset)) {
|
|
getMatchingTree(r, branch, lset)
|
|
final = false
|
|
if !r.Continue {
|
|
break
|
|
}
|
|
}
|
|
}
|
|
if final {
|
|
branch.SetValue(getRouteTreeSlug(route, false, true))
|
|
}
|
|
}
|