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bake: allow variables in user functions

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Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
This commit is contained in:
Tonis Tiigi
2021-02-04 23:27:09 -08:00
parent 42b7e7bc56
commit 7878f0c514
2 changed files with 42 additions and 9 deletions
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32
bake/hcl_test.go
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@@ -250,4 +250,36 @@ func TestParseHCL(t *testing.T) {
require.Error(t, err)
require.Contains(t, err.Error(), "docker-bake.hcl:7,17-37: Variables not allowed; Variables may not be used here.")
})
t.Run("WithVariablesInFunctions", func(t *testing.T) {
dt := []byte(`
variable "REPO" {
default = "user/repo"
}
function "tag" {
params = [tag]
result = ["${REPO}:${tag}"]
}
target "webapp" {
tags = tag("v1")
}
`)
c, err := ParseHCL(dt, "docker-bake.hcl")
require.NoError(t, err)
require.Equal(t, 1, len(c.Targets))
require.Equal(t, c.Targets[0].Name, "webapp")
require.Equal(t, []string{"user/repo:v1"}, c.Targets[0].Tags)
os.Setenv("REPO", "docker/buildx")
c, err = ParseHCL(dt, "docker-bake.hcl")
require.NoError(t, err)
require.Equal(t, 1, len(c.Targets))
require.Equal(t, c.Targets[0].Name, "webapp")
require.Equal(t, []string{"docker/buildx:v1"}, c.Targets[0].Tags)
})
}