forked from rook/rook
69 lines
1.8 KiB
Go
69 lines
1.8 KiB
Go
/*
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Copyright 2016 The Rook Authors. 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 installer
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import (
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"strings"
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"github.com/rook/rook/pkg/util/exec"
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"github.com/rook/rook/pkg/util/sys"
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)
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func IsAdditionalDeviceAvailableOnCluster() bool {
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executor := &exec.CommandExecutor{}
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devices, err := sys.ListDevices(executor)
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if err != nil {
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return false
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}
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disks := 0
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logger.Infof("devices : %v", devices)
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for _, device := range devices {
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if strings.Contains(device, "loop") {
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continue
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}
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props, _ := sys.GetDeviceProperties(device, executor)
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if props["TYPE"] != "disk" {
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continue
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}
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ownPartitions, fs, err := sys.CheckIfDeviceAvailable(executor, device)
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if err != nil {
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logger.Warningf("failed to detect device %s availability. %+v", device, err)
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continue
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}
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if !ownPartitions {
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logger.Infof("skipping device %s since don't own partitions", device)
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continue
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}
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if fs != "" {
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logger.Infof("skipping device %s since it has file system %s", device, fs)
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continue
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}
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if strings.HasPrefix(device, "rbd") {
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logger.Infof("skipping unexpected rbd device: %s", device)
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continue
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}
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logger.Infof("available device: %s", device)
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disks++
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}
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if disks > 0 {
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return true
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}
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logger.Info("No additional disks found on cluster")
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return false
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}
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