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command(bake): Specify local and remote bake files

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This adds the ability to source additional local build definition files when
sourcing Bake files via a remote url.
Prefixing a file with 'cwd://' will source a bake file on the local
machine, instead of the remote location.
Local files will be read/have precedence before remote files.

Usage:
```
docker buildx bake https://github.com/example/upstream.git --file cwd://docker-bake.override.hcl --print
```
This will source a default file from the example/upstream repository,
and also source a build definition from the local machine.

Also moves remote and local files reading logic to a func

Signed-off-by: CrazyMax <crazy-max@users.noreply.github.com>
Signed-off-by: Cameron Adams <pnzreba@gmail.com>
Co-authored-by: CrazyMax <crazy-max@users.noreply.github.com>
This commit is contained in:
Cameron Adams
2023-08-12 17:42:14 +02:00
committed by CrazyMax
parent ee19ce5ef2
commit abfc04f621
2 changed files with 99 additions and 16 deletions
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63
tests/bake.go
View File

@ -23,6 +23,7 @@ var bakeTests = []func(t *testing.T, sb integration.Sandbox){
testBakeLocalMulti,
testBakeRemote,
testBakeRemoteCmdContext,
testBakeRemoteLocalOverride,
testBakeRemoteCmdContextOverride,
testBakeRemoteContextSubdir,
testBakeRemoteCmdContextEscapeRoot,
@ -46,6 +47,7 @@ target "default" {
fstest.CreateFile("Dockerfile", dockerfile, 0600),
fstest.CreateFile("foo", []byte("foo"), 0600),
)
dirDest := t.TempDir()
cmd := buildxCmd(sb, withDir(dir), withArgs("bake", "--progress=plain", "--set", "*.output=type=local,dest="+dirDest))
@ -79,16 +81,23 @@ services:
fstest.CreateFile("Dockerfile", dockerfile, 0600),
fstest.CreateFile("foo", []byte("foo"), 0600),
)
dirDest := t.TempDir()
cmd := buildxCmd(sb, withDir(dir), withArgs("bake", "--progress=plain", "--set", "*.output=type=local,dest="+dirDest))
out, err := cmd.CombinedOutput()
require.NoError(t, err, out)
require.Contains(t, string(out), `#1 [internal] load local bake definitions`)
require.Contains(t, string(out), `#1 reading compose.yaml`)
require.Contains(t, string(out), `#1 reading docker-bake.hcl`)
dt, err := cmd.CombinedOutput()
require.NoError(t, err, string(dt))
require.Contains(t, string(dt), `#1 [internal] load local bake definitions`)
require.Contains(t, string(dt), `#1 reading compose.yaml`)
require.Contains(t, string(dt), `#1 reading docker-bake.hcl`)
require.FileExists(t, filepath.Join(dirDest, "foo"))
dirDest2 := t.TempDir()
out, err := bakeCmd(sb, withDir(dir), withArgs("--file", "cwd://docker-bake.hcl", "--set", "*.output=type=local,dest="+dirDest2))
require.NoError(t, err, out)
require.FileExists(t, filepath.Join(dirDest2, "foo"))
}
func testBakeRemote(t *testing.T, sb integration.Sandbox) {
@ -121,6 +130,48 @@ EOT
require.FileExists(t, filepath.Join(dirDest, "foo"))
}
func testBakeRemoteLocalOverride(t *testing.T, sb integration.Sandbox) {
remoteBakefile := []byte(`
target "default" {
dockerfile-inline = <<EOT
FROM scratch
COPY foo /foo
EOT
}
`)
localBakefile := []byte(`
target "default" {
dockerfile-inline = <<EOT
FROM scratch
COPY bar /bar
EOT
}
`)
dirSpec := tmpdir(
t,
fstest.CreateFile("docker-bake.hcl", remoteBakefile, 0600),
fstest.CreateFile("bar", []byte("bar"), 0600),
)
dirSrc := tmpdir(
t,
fstest.CreateFile("local-docker-bake.hcl", localBakefile, 0600),
)
dirDest := t.TempDir()
git, err := gitutil.New(gitutil.WithWorkingDir(dirSpec))
require.NoError(t, err)
gitutil.GitInit(git, t)
gitutil.GitAdd(git, t, "docker-bake.hcl", "bar")
gitutil.GitCommit(git, t, "initial commit")
addr := gitutil.GitServeHTTP(git, t)
out, err := bakeCmd(sb, withDir(dirSrc), withArgs(addr, "--file", "cwd://local-docker-bake.hcl", "--set", "*.output=type=local,dest="+dirDest))
require.NoError(t, err, out)
require.FileExists(t, filepath.Join(dirDest, "bar"))
}
func testBakeRemoteCmdContext(t *testing.T, sb integration.Sandbox) {
bakefile := []byte(`
target "default" {