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composefile.go
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/
composefile.go
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package kompose
import (
"cuelang.org/go/cue/cuecontext"
"cuelang.org/go/cue/format"
"cuelang.org/go/encoding/json"
"cuelang.org/go/encoding/jsonschema"
"cuelang.org/go/encoding/yaml"
)
type DockerComposeFile []byte
func (dc *DockerComposeFile) Validate(schema []byte) error {
jsonSchema, err := json.Extract("", schema)
if err != nil {
return ErrValidateDockerComposeFile(err)
}
cueCtx := cuecontext.New()
cueJsonSchemaExpr := cueCtx.BuildExpr(jsonSchema)
if err = cueJsonSchemaExpr.Err(); err != nil {
return ErrValidateDockerComposeFile(err)
}
extractedSchema, err := jsonschema.Extract(cueJsonSchemaExpr, &jsonschema.Config{
PkgName: "composespec",
})
if err != nil {
return ErrValidateDockerComposeFile(err)
}
src, err := format.Node(extractedSchema)
if err != nil {
return ErrValidateDockerComposeFile(err)
}
sv := cueCtx.CompileString(string(src))
if sv.Err() != nil {
return ErrValidateDockerComposeFile(sv.Err())
}
err = yaml.Validate(*dc, sv)
if err != nil {
return ErrValidateDockerComposeFile(err)
}
return nil
}