mirror of
https://github.com/kubernetes/node-problem-detector.git
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f9b5e60a43
The first test is a very simple test. It installs NPD on a VM, and then verifies that NPD reports metric host_uptime in Prometheus format.
65 lines
1.5 KiB
Go
65 lines
1.5 KiB
Go
/*
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Copyright 2019 The Kubernetes Authors.
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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 ssh
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import (
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"fmt"
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"net"
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"os"
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k8s_ssh "k8s.io/kubernetes/pkg/ssh"
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)
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// Result holds the execution result of SSH command.
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type Result struct {
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User string
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Host string
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Cmd string
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Stdout string
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Stderr string
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Code int
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SSHError error
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}
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// Run synchronously SSHs to a machine and runs cmd.
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func Run(cmd, ip, sshUser, sshKey string) Result {
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result := Result{User: sshUser, Host: ip, Cmd: cmd}
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if result.User == "" {
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result.User = os.Getenv("USER")
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}
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if ip == "" {
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result.SSHError = fmt.Errorf("empty IP address")
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return result
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}
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signer, err := k8s_ssh.MakePrivateKeySignerFromFile(sshKey)
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if err != nil {
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result.SSHError = fmt.Errorf("error getting signer from key file %s: %v", sshKey, err)
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return result
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}
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stdout, stderr, code, err := k8s_ssh.RunSSHCommand(cmd, result.User, net.JoinHostPort(ip, "22"), signer)
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result.Stdout = stdout
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result.Stderr = stderr
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result.Code = code
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result.SSHError = err
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return result
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}
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