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// 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 format
import (
"fmt"
"io"
"os"
"sort"
"strings"
"text/tabwriter"
"github.com/prometheus/alertmanager/api/v2/models"
)
type SimpleFormatter struct {
writer io.Writer
}
func init() {
Formatters["simple"] = &SimpleFormatter{writer: os.Stdout}
}
func (formatter *SimpleFormatter) SetOutput(writer io.Writer) {
formatter.writer = writer
}
func (formatter *SimpleFormatter) FormatSilences(silences []models.GettableSilence) error {
w := tabwriter.NewWriter(formatter.writer, 0, 0, 2, ' ', 0)
sort.Sort(ByEndAt(silences))
fmt.Fprintln(w, "ID\tMatchers\tEnds At\tCreated By\tComment\t")
for _, silence := range silences {
fmt.Fprintf(
w,
"%s\t%s\t%s\t%s\t%s\t\n",
*silence.ID,
simpleFormatMatchers(silence.Matchers),
FormatDate(*silence.EndsAt),
*silence.CreatedBy,
*silence.Comment,
)
}
return w.Flush()
}
func (formatter *SimpleFormatter) FormatAlerts(alerts []*models.GettableAlert) error {
w := tabwriter.NewWriter(formatter.writer, 0, 0, 2, ' ', 0)
sort.Sort(ByStartsAt(alerts))
fmt.Fprintln(w, "Alertname\tStarts At\tSummary\tState\t")
for _, alert := range alerts {
fmt.Fprintf(
w,
"%s\t%s\t%s\t%s\t\n",
alert.Labels["alertname"],
FormatDate(*alert.StartsAt),
alert.Annotations["summary"],
*alert.Status.State,
)
}
return w.Flush()
}
func (formatter *SimpleFormatter) FormatConfig(status *models.AlertmanagerStatus) error {
fmt.Fprintln(formatter.writer, *status.Config.Original)
return nil
}
func (formatter *SimpleFormatter) FormatClusterStatus(status *models.ClusterStatus) error {
w := tabwriter.NewWriter(formatter.writer, 0, 0, 2, ' ', 0)
fmt.Fprintf(w,
"Cluster Status:\t%s\nNode Name:\t%s\n",
*status.Status,
status.Name,
)
return w.Flush()
}
func simpleFormatMatchers(matchers models.Matchers) string {
output := []string{}
for _, matcher := range matchers {
output = append(output, simpleFormatMatcher(*matcher))
}
return strings.Join(output, " ")
}
func simpleFormatMatcher(m models.Matcher) string {
return labelsMatcher(m).String()
}
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