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Report error if FS is incorrectly handled on client filesystem read

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Signed-off-by: Marcos Lilljedahl <marcosnils@gmail.com>
This commit is contained in:
Marcos Lilljedahl 2022-04-01 13:00:41 -03:00
parent 66153c6194
commit 7ffbef33b5
4 changed files with 41 additions and 5 deletions
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9
plan/task/clientfilesystemread.go
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@ -26,10 +26,15 @@ func (t clientFilesystemReadTask) PreRun(_ context.Context, pctx *plancontext.Co
return err return err
} }
if pi, err := os.Stat(path); errors.Is(err, os.ErrNotExist) { isFS := plancontext.IsFSValue(v.Lookup("contents"))
switch pi, err := os.Stat(path); {
case errors.Is(err, os.ErrNotExist):
return fmt.Errorf("path %q does not exist", path) return fmt.Errorf("path %q does not exist", path)
} else if !pi.IsDir() && plancontext.IsFSValue(v.Lookup("contents")) { case !pi.IsDir() && isFS:
return fmt.Errorf("path %q is not a directory", path) return fmt.Errorf("path %q is not a directory", path)
case pi.IsDir() && !isFS:
return fmt.Errorf("path %q cannot be a directory", path)
} }
if plancontext.IsFSValue(v.Lookup("contents")) { if plancontext.IsFSValue(v.Lookup("contents")) {

13
tests/plan.bats
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@ -85,14 +85,23 @@ setup() {
} }
@test "plan/client/filesystem/read/fs/invalid" { @test "plan/client/filesystem/read/fs/invalid_fs_input" {
cd "$TESTDIR/plan/client/filesystem/read/fs/invalid" cd "$TESTDIR/plan/client/filesystem/read/fs/invalid_fs_input"
run "$DAGGER" "do" -p . test run "$DAGGER" "do" -p . test
assert_failure assert_failure
assert_output --partial 'test.txt" is not a directory' assert_output --partial 'test.txt" is not a directory'
} }
@test "plan/client/filesystem/read/fs/invalid_fs_type" {
cd "$TESTDIR/plan/client/filesystem/read/fs/invalid_fs_type"
run "$DAGGER" "do" -p . test
assert_failure
assert_output --partial 'rootfs" cannot be a directory'
}
@test "plan/client/filesystem/read/fs/relative" { @test "plan/client/filesystem/read/fs/relative" {
cd "$TESTDIR/plan/client/filesystem/read/fs/relative" cd "$TESTDIR/plan/client/filesystem/read/fs/relative"

1
tests/plan/client/filesystem/read/fs/invalid/test.cue → tests/plan/client/filesystem/read/fs/invalid_fs_input/test.cue
View File

@ -5,6 +5,7 @@ import (
) )
dagger.#Plan & { dagger.#Plan & {
// Reading a file into a dagger.#FS should not be possbile
client: filesystem: "../rootfs/test.txt": read: contents: dagger.#FS client: filesystem: "../rootfs/test.txt": read: contents: dagger.#FS
actions: test: { actions: test: {
} }

21
tests/plan/client/filesystem/read/fs/invalid_fs_type/test.cue Normal file
View File

@ -0,0 +1,21 @@
package main
import (
"dagger.io/dagger"
"dagger.io/dagger/core"
)
dagger.#Plan & {
// Reading a directory into a non-fs should fail
client: filesystem: "../rootfs": read: contents: string
actions: {
image: core.#Pull & {
source: "alpine:3.15.0@sha256:e7d88de73db3d3fd9b2d63aa7f447a10fd0220b7cbf39803c803f2af9ba256b3"
}
test: core.#Exec & {
input: image.output
args: ["test", client.filesystem."../rootfs".read.contents]
}
}
}