github.phpd.cn/cilium/cilium@v1.6.12/test/helpers/runtime.go (about)

     1  // Copyright 2017 Authors of Cilium
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package helpers
    16  
    17  import (
    18  	"fmt"
    19  
    20  	"github.com/onsi/ginkgo"
    21  	"github.com/sirupsen/logrus"
    22  )
    23  
    24  // InitRuntimeHelper returns SSHMeta helper for running the runtime tests
    25  // on the provided VM target and using logger 'log'. It marks the test as Fail
    26  // if it cannot get the ssh meta information or cannot execute a `ls` on the
    27  // virtual machine.
    28  func InitRuntimeHelper(target string, log *logrus.Entry) *SSHMeta {
    29  	node := GetVagrantSSHMeta(target)
    30  	if node == nil {
    31  		ginkgo.Fail(fmt.Sprintf("Cannot connect to target '%s'", target), 1)
    32  		return nil
    33  	}
    34  
    35  	// This `ls` command is a sanity check, sometimes the meta ssh info is not
    36  	// nil but new commands cannot be executed using SSH, tests failed and it
    37  	// was hard to debug.
    38  	res := node.Exec("ls /tmp/")
    39  	if !res.WasSuccessful() {
    40  		ginkgo.Fail(fmt.Sprintf(
    41  			"Cannot execute ls command on target '%s'", target), 1)
    42  		return nil
    43  	}
    44  
    45  	node.logger = log
    46  	return node
    47  }