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package seccomp
import (
"sort"
"github.com/pkg/errors"
)
// ContainerImageLabel is the key of the image annotation embedding a seccomp
// profile.
const ContainerImageLabel = "io.containers.seccomp.profile"
// Policy denotes a seccomp policy.
type Policy int
const (
// PolicyDefault - if set use SecurityConfig.SeccompProfilePath,
// otherwise use the default profile. The SeccompProfilePath might be
// explicitly set by the user.
PolicyDefault Policy = iota
// PolicyImage - if set use SecurityConfig.SeccompProfileFromImage,
// otherwise follow SeccompPolicyDefault.
PolicyImage
)
// Map for easy lookups of supported policies.
var supportedPolicies = map[string]Policy{
"": PolicyDefault,
"default": PolicyDefault,
"image": PolicyImage,
}
// LookupPolicy looks up the corresponding Policy for the specified
// string. If none is found, an errors is returned including the list of
// supported policies.
//
// Note that an empty string resolved to SeccompPolicyDefault.
func LookupPolicy(s string) (Policy, error) {
policy, exists := supportedPolicies[s]
if exists {
return policy, nil
}
// Sort the keys first as maps are non-deterministic.
keys := []string{}
for k := range supportedPolicies {
if k != "" {
keys = append(keys, k)
}
}
sort.Strings(keys)
return -1, errors.Errorf("invalid seccomp policy %q: valid policies are %+q", s, keys)
}
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