github.com/openshift/moby-moby@v1.13.2-0.20170601211448-f5ec1e2936dc/daemon/daemon_linux_test.go (about) 1 // +build linux 2 3 package daemon 4 5 import ( 6 "strings" 7 "testing" 8 ) 9 10 const mountsFixture = `142 78 0:38 / / rw,relatime - aufs none rw,si=573b861da0b3a05b,dio 11 143 142 0:60 / /proc rw,nosuid,nodev,noexec,relatime - proc proc rw 12 144 142 0:67 / /dev rw,nosuid - tmpfs tmpfs rw,mode=755 13 145 144 0:78 / /dev/pts rw,nosuid,noexec,relatime - devpts devpts rw,gid=5,mode=620,ptmxmode=666 14 146 144 0:49 / /dev/mqueue rw,nosuid,nodev,noexec,relatime - mqueue mqueue rw 15 147 142 0:84 / /sys rw,nosuid,nodev,noexec,relatime - sysfs sysfs rw 16 148 147 0:86 / /sys/fs/cgroup rw,nosuid,nodev,noexec,relatime - tmpfs tmpfs rw,mode=755 17 149 148 0:22 /docker/5425782a95e643181d8a485a2bab3c0bb21f51d7dfc03511f0e6fbf3f3aa356a /sys/fs/cgroup/cpuset rw,nosuid,nodev,noexec,relatime - cgroup cgroup rw,cpuset 18 150 148 0:25 /docker/5425782a95e643181d8a485a2bab3c0bb21f51d7dfc03511f0e6fbf3f3aa356a /sys/fs/cgroup/cpu rw,nosuid,nodev,noexec,relatime - cgroup cgroup rw,cpu 19 151 148 0:27 /docker/5425782a95e643181d8a485a2bab3c0bb21f51d7dfc03511f0e6fbf3f3aa356a /sys/fs/cgroup/cpuacct rw,nosuid,nodev,noexec,relatime - cgroup cgroup rw,cpuacct 20 152 148 0:28 /docker/5425782a95e643181d8a485a2bab3c0bb21f51d7dfc03511f0e6fbf3f3aa356a /sys/fs/cgroup/memory rw,nosuid,nodev,noexec,relatime - cgroup cgroup rw,memory 21 153 148 0:29 /docker/5425782a95e643181d8a485a2bab3c0bb21f51d7dfc03511f0e6fbf3f3aa356a /sys/fs/cgroup/devices rw,nosuid,nodev,noexec,relatime - cgroup cgroup rw,devices 22 154 148 0:30 /docker/5425782a95e643181d8a485a2bab3c0bb21f51d7dfc03511f0e6fbf3f3aa356a /sys/fs/cgroup/freezer rw,nosuid,nodev,noexec,relatime - cgroup cgroup rw,freezer 23 155 148 0:31 /docker/5425782a95e643181d8a485a2bab3c0bb21f51d7dfc03511f0e6fbf3f3aa356a /sys/fs/cgroup/blkio rw,nosuid,nodev,noexec,relatime - cgroup cgroup rw,blkio 24 156 148 0:32 /docker/5425782a95e643181d8a485a2bab3c0bb21f51d7dfc03511f0e6fbf3f3aa356a /sys/fs/cgroup/perf_event rw,nosuid,nodev,noexec,relatime - cgroup cgroup rw,perf_event 25 157 148 0:33 /docker/5425782a95e643181d8a485a2bab3c0bb21f51d7dfc03511f0e6fbf3f3aa356a /sys/fs/cgroup/hugetlb rw,nosuid,nodev,noexec,relatime - cgroup cgroup rw,hugetlb 26 158 148 0:35 /docker/5425782a95e643181d8a485a2bab3c0bb21f51d7dfc03511f0e6fbf3f3aa356a /sys/fs/cgroup/systemd rw,nosuid,nodev,noexec,relatime - cgroup systemd rw,name=systemd 27 159 142 8:4 /home/mlaventure/gopath /home/mlaventure/gopath rw,relatime - ext4 /dev/disk/by-uuid/d99e196c-1fc4-4b4f-bab9-9962b2b34e99 rw,errors=remount-ro,data=ordered 28 160 142 8:4 /var/lib/docker/volumes/9a428b651ee4c538130143cad8d87f603a4bf31b928afe7ff3ecd65480692b35/_data /var/lib/docker rw,relatime - ext4 /dev/disk/by-uuid/d99e196c-1fc4-4b4f-bab9-9962b2b34e99 rw,errors=remount-ro,data=ordered 29 164 142 8:4 /home/mlaventure/gopath/src/github.com/docker/docker /go/src/github.com/docker/docker rw,relatime - ext4 /dev/disk/by-uuid/d99e196c-1fc4-4b4f-bab9-9962b2b34e99 rw,errors=remount-ro,data=ordered 30 165 142 8:4 /var/lib/docker/containers/5425782a95e643181d8a485a2bab3c0bb21f51d7dfc03511f0e6fbf3f3aa356a/resolv.conf /etc/resolv.conf rw,relatime - ext4 /dev/disk/by-uuid/d99e196c-1fc4-4b4f-bab9-9962b2b34e99 rw,errors=remount-ro,data=ordered 31 166 142 8:4 /var/lib/docker/containers/5425782a95e643181d8a485a2bab3c0bb21f51d7dfc03511f0e6fbf3f3aa356a/hostname /etc/hostname rw,relatime - ext4 /dev/disk/by-uuid/d99e196c-1fc4-4b4f-bab9-9962b2b34e99 rw,errors=remount-ro,data=ordered 32 167 142 8:4 /var/lib/docker/containers/5425782a95e643181d8a485a2bab3c0bb21f51d7dfc03511f0e6fbf3f3aa356a/hosts /etc/hosts rw,relatime - ext4 /dev/disk/by-uuid/d99e196c-1fc4-4b4f-bab9-9962b2b34e99 rw,errors=remount-ro,data=ordered 33 168 144 0:39 / /dev/shm rw,nosuid,nodev,noexec,relatime - tmpfs shm rw,size=65536k 34 169 144 0:12 /14 /dev/console rw,nosuid,noexec,relatime - devpts devpts rw,gid=5,mode=620,ptmxmode=000 35 83 147 0:10 / /sys/kernel/security rw,relatime - securityfs none rw 36 89 142 0:87 / /tmp rw,relatime - tmpfs none rw 37 97 142 0:60 / /run/docker/netns/default rw,nosuid,nodev,noexec,relatime - proc proc rw 38 100 160 8:4 /var/lib/docker/volumes/9a428b651ee4c538130143cad8d87f603a4bf31b928afe7ff3ecd65480692b35/_data/aufs /var/lib/docker/aufs rw,relatime - ext4 /dev/disk/by-uuid/d99e196c-1fc4-4b4f-bab9-9962b2b34e99 rw,errors=remount-ro,data=ordered 39 115 100 0:102 / /var/lib/docker/aufs/mnt/0ecda1c63e5b58b3d89ff380bf646c95cc980252cf0b52466d43619aec7c8432 rw,relatime - aufs none rw,si=573b861dbc01905b,dio 40 116 160 0:107 / /var/lib/docker/containers/d045dc441d2e2e1d5b3e328d47e5943811a40819fb47497c5f5a5df2d6d13c37/shm rw,nosuid,nodev,noexec,relatime - tmpfs shm rw,size=65536k 41 118 142 0:102 / /run/docker/libcontainerd/d045dc441d2e2e1d5b3e328d47e5943811a40819fb47497c5f5a5df2d6d13c37/rootfs rw,relatime - aufs none rw,si=573b861dbc01905b,dio 42 242 142 0:60 / /run/docker/netns/c3664df2a0f7 rw,nosuid,nodev,noexec,relatime - proc proc rw 43 120 100 0:122 / /var/lib/docker/aufs/mnt/03ca4b49e71f1e49a41108829f4d5c70ac95934526e2af8984a1f65f1de0715d rw,relatime - aufs none rw,si=573b861eb147805b,dio 44 171 142 0:122 / /run/docker/libcontainerd/e406ff6f3e18516d50e03dbca4de54767a69a403a6f7ec1edc2762812824521e/rootfs rw,relatime - aufs none rw,si=573b861eb147805b,dio 45 310 142 0:60 / /run/docker/netns/71a18572176b rw,nosuid,nodev,noexec,relatime - proc proc rw 46 ` 47 48 func TestCleanupMounts(t *testing.T) { 49 d := &Daemon{ 50 root: "/var/lib/docker/", 51 } 52 53 expected := "/var/lib/docker/containers/d045dc441d2e2e1d5b3e328d47e5943811a40819fb47497c5f5a5df2d6d13c37/shm" 54 var unmounted int 55 unmount := func(target string) error { 56 if target == expected { 57 unmounted++ 58 } 59 return nil 60 } 61 62 d.cleanupMountsFromReaderByID(strings.NewReader(mountsFixture), "", unmount) 63 64 if unmounted != 1 { 65 t.Fatalf("Expected to unmount the shm (and the shm only)") 66 } 67 } 68 69 func TestCleanupMountsByID(t *testing.T) { 70 d := &Daemon{ 71 root: "/var/lib/docker/", 72 } 73 74 expected := "/var/lib/docker/aufs/mnt/03ca4b49e71f1e49a41108829f4d5c70ac95934526e2af8984a1f65f1de0715d" 75 var unmounted int 76 unmount := func(target string) error { 77 if target == expected { 78 unmounted++ 79 } 80 return nil 81 } 82 83 d.cleanupMountsFromReaderByID(strings.NewReader(mountsFixture), "03ca4b49e71f1e49a41108829f4d5c70ac95934526e2af8984a1f65f1de0715d", unmount) 84 85 if unmounted != 1 { 86 t.Fatalf("Expected to unmount the auf root (and that only)") 87 } 88 } 89 90 func TestNotCleanupMounts(t *testing.T) { 91 d := &Daemon{ 92 repository: "", 93 } 94 var unmounted bool 95 unmount := func(target string) error { 96 unmounted = true 97 return nil 98 } 99 mountInfo := `234 232 0:59 / /dev/shm rw,nosuid,nodev,noexec,relatime - tmpfs shm rw,size=65536k` 100 d.cleanupMountsFromReaderByID(strings.NewReader(mountInfo), "", unmount) 101 if unmounted { 102 t.Fatalf("Expected not to clean up /dev/shm") 103 } 104 }