1 // Copyright 2021 Google LLC 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 fuse 16 17 import ( 18 "os" 19 20 "github.com/GoogleCloudPlatform/cloudsql-proxy/logging" 21 ) 22 23 const ( 24 macfusePath = "/Library/Filesystems/macfuse.fs/Contents/Resources/mount_macfuse" 25 osxfusePath = "/Library/Filesystems/osxfuse.fs/Contents/Resources/mount_osxfuse" 26 ) 27 28 // Supported checks if macfuse or osxfuse are installed on the host by looking 29 // for both in their known installation location. 30 func Supported() bool { 31 // This code follows the same strategy as hanwen/go-fuse. 32 // See https://github.com/hanwen/go-fuse/blob/0f728ba15b38579efefc3dc47821882ca18ffea7/fuse/mount_darwin.go#L121-L124. 33 34 // check for macfuse first (newer version of osxfuse) 35 if _, err := os.Stat(macfusePath); err != nil { 36 // if that fails, check for osxfuse next 37 if _, err := os.Stat(osxfusePath); err != nil { 38 logging.Errorf("Failed to find osxfuse or macfuse. Verify FUSE installation and try again (see https://osxfuse.github.io).") 39 return false 40 } 41 } 42 return true 43 } 44