mirror of https://github.com/k3s-io/k3s
51 lines
1.2 KiB
Go
51 lines
1.2 KiB
Go
/*
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Copyright 2015 Google Inc. All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may 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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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package exec
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import (
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"strings"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/probe"
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uexec "github.com/GoogleCloudPlatform/kubernetes/pkg/util/exec"
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"github.com/golang/glog"
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)
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const defaultHealthyOutput = "ok"
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func New() ExecProber {
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return execProber{}
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}
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type ExecProber interface {
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Probe(e uexec.Cmd) (probe.Result, error)
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}
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type execProber struct{}
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func (pr execProber) Probe(e uexec.Cmd) (probe.Result, error) {
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data, err := e.CombinedOutput()
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glog.V(4).Infof("health check response: %s", string(data))
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if err != nil {
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return probe.Unknown, err
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}
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if strings.ToLower(string(data)) != defaultHealthyOutput {
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return probe.Failure, nil
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}
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return probe.Success, nil
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}
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