github.com/coreos/mantle@v0.13.0/kola/tests/util/update.go (about)

     1  // Copyright 2018 CoreOS, Inc.
     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 util
    16  
    17  import (
    18  	"fmt"
    19  	"strings"
    20  
    21  	"github.com/coreos/mantle/kola/cluster"
    22  	"github.com/coreos/mantle/platform"
    23  )
    24  
    25  func AssertBootedUsr(c cluster.TestCluster, m platform.Machine, usr string) {
    26  	usrdev := GetUsrDeviceNode(c, m)
    27  	target := c.MustSSH(m, "readlink -f /dev/disk/by-partlabel/"+usr)
    28  	if usrdev != string(target) {
    29  		c.Fatalf("Expected /usr to be %v (%s) but it is %v", usr, target, usrdev)
    30  	}
    31  }
    32  
    33  func GetUsrDeviceNode(c cluster.TestCluster, m platform.Machine) string {
    34  	// find /usr dev
    35  	usrdev := c.MustSSH(m, "findmnt -no SOURCE /usr")
    36  
    37  	// XXX: if the /usr dev is /dev/mapper/usr, we're on a verity enabled
    38  	// image, so use dmsetup to find the real device.
    39  	if strings.TrimSpace(string(usrdev)) == "/dev/mapper/usr" {
    40  		usrdev = c.MustSSH(m, "echo -n /dev/$(sudo dmsetup info --noheadings -Co blkdevs_used usr)")
    41  	}
    42  
    43  	return string(usrdev)
    44  }
    45  
    46  func InvalidateUsrPartition(c cluster.TestCluster, m platform.Machine, partition string) {
    47  	if out, stderr, err := m.SSH(fmt.Sprintf("sudo coreos-setgoodroot && sudo wipefs /dev/disk/by-partlabel/%s", partition)); err != nil {
    48  		c.Fatalf("invalidating %s failed: %s: %v: %s", partition, out, err, stderr)
    49  	}
    50  }