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macOS Docker "Use gRPC FUSE for file sharing" breaks /mnt/hostfs #756

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reliveyy opened this issue Oct 21, 2020 · 3 comments
Open

macOS Docker "Use gRPC FUSE for file sharing" breaks /mnt/hostfs #756

reliveyy opened this issue Oct 21, 2020 · 3 comments
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bug Something isn't working P3 low priority

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@reliveyy
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reliveyy commented Oct 21, 2020 •
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There is one option called "Use gRPC FUSE for file sharing" in macOS Docker desktop "General" settings page.
image
If you turn it on, then the macOS rootfs will be mounted inside /mnt/hostfs/host_mnt which will break all file checking logic inside xud-docker.
@kilrau
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kilrau commented Oct 22, 2020

What is the default setting of this option? What do you suggest as fix:
a) simply add hint in docs
b) make xud-docker detects this throw a warning

@kilrau kilrau added bug Something isn't working P3 low priority labels Oct 22, 2020
@reliveyy reliveyy mentioned this issue Nov 15, 2020
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@reliveyy
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FUSE off

❯ docker run -it --rm -v /:/mnt --entrypoint ls alpine -la /mnt
total 32
drwxr-xr-x    1 root     root           240 Nov 15 18:09 .
drwxr-xr-x    1 root     root          4096 Nov 16 12:13 ..
drwxr-xr-x    6 root     root           192 Sep 29  2019 Users
drwxr-xr-x    4 root     root           128 Nov 15 00:37 Volumes
drwxr-xr-x    2 root     root          4096 Nov 12 06:48 bin
drwxr-xr-x   11 root     root          3160 Nov 15 18:09 dev
drwxr-xr-x    1 root     root           220 Nov 15 18:09 etc
drwxr-xr-x    2 root     root          4096 Nov 12 06:48 home
lrwxrwxrwx    1 root     root             1 Nov 15 18:09 host_mnt -> /
drwxr-xr-x    1 root     root            60 Nov 15 18:09 lib
drwxr-xr-x    5 root     root          4096 Nov 12 06:48 media
drwxr-xr-x    2 root     root          4096 Nov 12 06:48 mnt
drwxr-xr-x    1 root     root            60 Nov 15 18:09 opt
drwxr-xr-x    6 root     root           192 Nov 10 18:40 private
dr-xr-xr-x  142 root     root             0 Nov 15 18:09 proc
drwxr-xr-x    2 root     root          4096 Nov 12 06:48 root
drwxr-xr-x    1 root     root           180 Nov 15 18:09 run
drwxr-xr-x    2 root     root          4096 Nov 12 06:48 sbin
drwxr-xr-x    2 root     root          4096 Nov 12 06:48 srv
dr-xr-xr-x   13 root     root             0 Nov 15 18:09 sys
drwxrwxrwt    8 root     root           256 Nov 16 12:13 tmp
drwxr-xr-x    1 root     root            80 Nov 12 06:48 usr
drwxr-xr-x    1 root     root            80 Nov 15 18:09 var

FUSE on

❯ docker run -it --rm -v /:/mnt --entrypoint ls alpine -la /mnt
total 32
drwxr-xr-x    1 root     root          1380 Nov 16 12:16 .
drwxr-xr-x    1 root     root          4096 Nov 16 12:18 ..
lrwxrwxrwx    1 root     root            11 Nov 16 12:16 A -> /host_mnt/a
lrwxrwxrwx    1 root     root            22 Nov 16 12:16 Applications -> /host_mnt/Applications
lrwxrwxrwx    1 root     root            11 Nov 16 12:16 B -> /host_mnt/b
lrwxrwxrwx    1 root     root            11 Nov 16 12:16 C -> /host_mnt/c
lrwxrwxrwx    1 root     root            11 Nov 16 12:16 D -> /host_mnt/d
lrwxrwxrwx    1 root     root            11 Nov 16 12:16 E -> /host_mnt/e
lrwxrwxrwx    1 root     root            11 Nov 16 12:16 F -> /host_mnt/f
lrwxrwxrwx    1 root     root            11 Nov 16 12:16 G -> /host_mnt/g
lrwxrwxrwx    1 root     root            11 Nov 16 12:16 H -> /host_mnt/h
lrwxrwxrwx    1 root     root            11 Nov 16 12:16 I -> /host_mnt/i
lrwxrwxrwx    1 root     root            11 Nov 16 12:16 J -> /host_mnt/j
lrwxrwxrwx    1 root     root            11 Nov 16 12:16 K -> /host_mnt/k
lrwxrwxrwx    1 root     root            11 Nov 16 12:16 L -> /host_mnt/l
lrwxrwxrwx    1 root     root            17 Nov 16 12:16 Library -> /host_mnt/Library
lrwxrwxrwx    1 root     root            11 Nov 16 12:16 M -> /host_mnt/m
lrwxrwxrwx    1 root     root            11 Nov 16 12:16 N -> /host_mnt/n
lrwxrwxrwx    1 root     root            11 Nov 16 12:16 O -> /host_mnt/o
lrwxrwxrwx    1 root     root            11 Nov 16 12:16 P -> /host_mnt/p
lrwxrwxrwx    1 root     root            11 Nov 16 12:16 Q -> /host_mnt/q
lrwxrwxrwx    1 root     root            11 Nov 16 12:16 R -> /host_mnt/r
lrwxrwxrwx    1 root     root            11 Nov 16 12:16 S -> /host_mnt/s
lrwxrwxrwx    1 root     root            16 Nov 16 12:16 System -> /host_mnt/System
lrwxrwxrwx    1 root     root            11 Nov 16 12:16 T -> /host_mnt/t
lrwxrwxrwx    1 root     root            11 Nov 16 12:16 U -> /host_mnt/u
lrwxrwxrwx    1 root     root            15 Nov 16 12:16 Users -> /host_mnt/Users
lrwxrwxrwx    1 root     root            11 Nov 16 12:16 V -> /host_mnt/v
lrwxrwxrwx    1 root     root            17 Nov 16 12:16 Volumes -> /host_mnt/Volumes
lrwxrwxrwx    1 root     root            11 Nov 16 12:16 W -> /host_mnt/w
lrwxrwxrwx    1 root     root            11 Nov 16 12:16 X -> /host_mnt/x
lrwxrwxrwx    1 root     root            11 Nov 16 12:16 Y -> /host_mnt/y
lrwxrwxrwx    1 root     root            11 Nov 16 12:16 Z -> /host_mnt/z
lrwxrwxrwx    1 root     root            11 Nov 16 12:16 a -> /host_mnt/a
lrwxrwxrwx    1 root     root            11 Nov 16 12:16 b -> /host_mnt/b
drwxr-xr-x    2 root     root          4096 Nov 16 12:16 bin
lrwxrwxrwx    1 root     root            11 Nov 16 12:16 c -> /host_mnt/c
lrwxrwxrwx    1 root     root            15 Nov 16 12:16 cores -> /host_mnt/cores
lrwxrwxrwx    1 root     root            11 Nov 16 12:16 d -> /host_mnt/d
drwxr-xr-x   11 root     root          3160 Nov 16 12:16 dev
lrwxrwxrwx    1 root     root            11 Nov 16 12:16 e -> /host_mnt/e
drwxr-xr-x    1 root     root           220 Nov 16 12:16 etc
lrwxrwxrwx    1 root     root            11 Nov 16 12:16 f -> /host_mnt/f
lrwxrwxrwx    1 root     root            11 Nov 16 12:16 g -> /host_mnt/g
lrwxrwxrwx    1 root     root            11 Nov 16 12:16 h -> /host_mnt/h
drwxr-xr-x    2 root     root          4096 Nov 16 12:16 home
drwxr-xr-x   22 root     root           704 Nov 10 18:40 host_mnt
lrwxrwxrwx    1 root     root            11 Nov 16 12:16 i -> /host_mnt/i
lrwxrwxrwx    1 root     root            11 Nov 16 12:16 j -> /host_mnt/j
lrwxrwxrwx    1 root     root            11 Nov 16 12:16 k -> /host_mnt/k
lrwxrwxrwx    1 root     root            11 Nov 16 12:16 l -> /host_mnt/l
drwxr-xr-x    1 root     root            60 Nov 16 12:16 lib
lrwxrwxrwx    1 root     root            11 Nov 16 12:16 m -> /host_mnt/m
drwxr-xr-x    5 root     root          4096 Nov 16 12:16 media
drwxr-xr-x    2 root     root          4096 Nov 16 12:16 mnt
lrwxrwxrwx    1 root     root            11 Nov 16 12:16 n -> /host_mnt/n
lrwxrwxrwx    1 root     root            11 Nov 16 12:16 o -> /host_mnt/o
drwxr-xr-x    1 root     root            60 Nov 16 12:16 opt
lrwxrwxrwx    1 root     root            11 Nov 16 12:16 p -> /host_mnt/p
lrwxrwxrwx    1 root     root            17 Nov 16 12:16 private -> /host_mnt/private
dr-xr-xr-x  149 root     root             0 Nov 16 12:16 proc
lrwxrwxrwx    1 root     root            11 Nov 16 12:16 q -> /host_mnt/q
lrwxrwxrwx    1 root     root            11 Nov 16 12:16 r -> /host_mnt/r
drwxr-xr-x    2 root     root          4096 Nov 16 12:16 root
drwxr-xr-x    1 root     root           180 Nov 16 12:16 run
lrwxrwxrwx    1 root     root            11 Nov 16 12:16 s -> /host_mnt/s
drwxr-xr-x    2 root     root          4096 Nov 16 12:16 sbin
drwxr-xr-x    2 root     root          4096 Nov 16 12:16 srv
dr-xr-xr-x   13 root     root             0 Nov 16 12:16 sys
lrwxrwxrwx    1 root     root            11 Nov 16 12:16 t -> /host_mnt/t
drwxr-xr-x    1 root     root            40 Nov 16 12:18 tmp
lrwxrwxrwx    1 root     root            11 Nov 16 12:16 u -> /host_mnt/u
drwxr-xr-x    1 root     root            80 Nov 16 12:16 usr
lrwxrwxrwx    1 root     root            11 Nov 16 12:16 v -> /host_mnt/v
drwxr-xr-x    1 root     root            60 Nov 16 12:16 var
lrwxrwxrwx    1 root     root            11 Nov 16 12:16 w -> /host_mnt/w
lrwxrwxrwx    1 root     root            11 Nov 16 12:16 x -> /host_mnt/x
lrwxrwxrwx    1 root     root            11 Nov 16 12:16 y -> /host_mnt/y
lrwxrwxrwx    1 root     root            11 Nov 16 12:16 z -> /host_mnt/z

❯ docker run -it --rm -v /:/mnt --entrypoint ls alpine -la /mnt/host_mnt
total 8
drwxr-xr-x   22 root     root           704 Nov 10 18:40 .
drwxr-xr-x    1 root     root          1380 Nov 16 12:16 ..
-rw-rw-r--    1 root     root             0 Aug 24  2019 .DS_Store
ls: /mnt/host_mnt/.VolumeIcon.icns: cannot read link: Operation not permitted
lrwxr-xr-x    1 root     root            36 Oct  7  2019 .VolumeIcon.icns
----------    1 root     root             0 Aug 24  2019 .file
drwx------   20 root     root           640 Nov 10 18:46 .fseventsd
drwxr-xr-x    2 root     root            64 Aug 24  2019 .vol
drwxrwxr-x   66 root     root          2112 Nov 16 07:12 Applications
drwxr-xr-x   75 root     root          2400 Nov 10 18:43 Library
drwxr-xr-x    8 root     root           256 Sep 29  2019 System
drwxr-xr-x    6 root     root           192 Sep 29  2019 Users
drwxr-xr-x    4 root     root           128 Nov 15 00:37 Volumes
drwxr-xr-x   38 root     root          1216 Nov 10 18:40 bin
drwxr-xr-x    2 root     root            64 Aug 24  2019 cores
dr-xr-xr-x    3 root     root          8115 Nov 15 00:30 dev
ls: /mnt/host_mnt/etc: cannot read link: Operation not permitted
lrwxr-xr-x    1 root     root            11 Oct  7  2019 etc
ls: /mnt/host_mnt/home: cannot read link: Operation not permitted
lrwxr-xr-x    1 root     root            25 Nov 15 00:30 home
drwxr-xr-x    3 root     root            96 Nov 12 07:47 opt
drwxr-xr-x    6 root     root           192 Nov 10 18:40 private
drwxr-xr-x   63 root     root          2016 Nov 10 18:40 sbin
lrwxr-xr-x    1 root     root            11 Oct  7  2019 tmp -> private/tmp
drwxr-xr-x   11 root     root           352 Oct  7  2019 usr
ls: /mnt/host_mnt/var: cannot read link: Operation not permitted
lrwxr-xr-x    1 root     root            11 Oct  7  2019 var

@kilrau
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kilrau commented Nov 16, 2020

Opened docker/for-mac#5071

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