79 lines
2.4 KiB
Go
79 lines
2.4 KiB
Go
// Licensed to Elasticsearch B.V. under one or more contributor
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// license agreements. See the NOTICE file distributed with
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// this work for additional information regarding copyright
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// ownership. Elasticsearch B.V. licenses this file to you under
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// the Apache License, Version 2.0 (the "License"); you may
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// 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,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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package healthcheck
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import (
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"context"
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"strings"
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"github.com/docker/docker/api/types"
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"github.com/elastic/beats/libbeat/common"
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"github.com/elastic/beats/libbeat/logp"
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"github.com/elastic/beats/metricbeat/mb"
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"github.com/elastic/beats/metricbeat/module/docker"
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)
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func eventsMapping(containers []types.Container, m *MetricSet) []common.MapStr {
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var events []common.MapStr
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for _, container := range containers {
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event := eventMapping(&container, m)
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if event != nil {
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events = append(events, event)
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}
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}
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return events
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}
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func eventMapping(cont *types.Container, m *MetricSet) common.MapStr {
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if !hasHealthCheck(cont.Status) {
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return nil
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}
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container, err := m.dockerClient.ContainerInspect(context.TODO(), cont.ID)
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if err != nil {
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logp.Err("Error inspecting container %v: %v", cont.ID, err)
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return nil
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}
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lastEvent := len(container.State.Health.Log) - 1
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// Checks if a healthcheck already happened
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if lastEvent < 0 {
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return nil
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}
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return common.MapStr{
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mb.ModuleDataKey: common.MapStr{
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"container": docker.NewContainer(cont, m.dedot).ToMapStr(),
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},
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"status": container.State.Health.Status,
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"failingstreak": container.State.Health.FailingStreak,
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"event": common.MapStr{
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"start_date": common.Time(container.State.Health.Log[lastEvent].Start),
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"end_date": common.Time(container.State.Health.Log[lastEvent].End),
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"exit_code": container.State.Health.Log[lastEvent].ExitCode,
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"output": container.State.Health.Log[lastEvent].Output,
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},
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}
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}
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// hasHealthCheck detects if healthcheck is available for container
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func hasHealthCheck(status string) bool {
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return strings.Contains(status, "(") && strings.Contains(status, ")")
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}
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