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change spec test from exact match to greater than #406

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change spec test from exact match to greater than #406

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9 changes: 5 additions & 4 deletions spec.go
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Original file line number Diff line number Diff line change
Expand Up @@ -320,11 +320,12 @@ func loadSpec(cPath, rPath string) (spec *specs.LinuxSpec, rspec *specs.LinuxRun
return spec, rspec, checkSpecVersion(spec)
}

// checkSpecVersion makes sure that the spec version matches runc's while we are in the initial
// development period. It is better to hard fail than have missing fields or options in the spec.
// checkSpecVersion makes sure that the spec version specified in config.json is
// not ahead of runc's version. It is better to hard fail than have missing
// fields or options in the spec.
func checkSpecVersion(s *specs.LinuxSpec) error {
if s.Version != specs.Version {
return fmt.Errorf("spec version is not compatible with implemented version %q: spec %q", specs.Version, s.Version)
if s.Version > specs.Version {
return fmt.Errorf("spec requires a container implementation of %q or higher, current version is %q", s.Version, specs.Version)
}
return nil
}
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