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mustrunas.go
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mustrunas.go
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package selinux
import (
"fmt"
"k8s.io/apimachinery/pkg/util/validation/field"
"k8s.io/kubernetes/pkg/api"
securityapi "github.com/openshift/origin/pkg/security/apis/security"
)
type mustRunAs struct {
opts *securityapi.SELinuxContextStrategyOptions
}
var _ SELinuxSecurityContextConstraintsStrategy = &mustRunAs{}
func NewMustRunAs(options *securityapi.SELinuxContextStrategyOptions) (SELinuxSecurityContextConstraintsStrategy, error) {
if options == nil {
return nil, fmt.Errorf("MustRunAs requires SELinuxContextStrategyOptions")
}
if options.SELinuxOptions == nil {
return nil, fmt.Errorf("MustRunAs requires SELinuxOptions")
}
return &mustRunAs{
opts: options,
}, nil
}
// Generate creates the SELinuxOptions based on constraint rules.
func (s *mustRunAs) Generate(pod *api.Pod, container *api.Container) (*api.SELinuxOptions, error) {
return s.opts.SELinuxOptions, nil
}
// Validate ensures that the specified values fall within the range of the strategy.
func (s *mustRunAs) Validate(pod *api.Pod, container *api.Container) field.ErrorList {
allErrs := field.ErrorList{}
if container.SecurityContext == nil {
detail := fmt.Sprintf("unable to validate nil security context for %s", container.Name)
allErrs = append(allErrs, field.Invalid(field.NewPath("securityContext"), container.SecurityContext, detail))
return allErrs
}
if container.SecurityContext.SELinuxOptions == nil {
detail := fmt.Sprintf("unable to validate nil seLinuxOptions for %s", container.Name)
allErrs = append(allErrs, field.Invalid(field.NewPath("seLinuxOptions"), container.SecurityContext.SELinuxOptions, detail))
return allErrs
}
seLinuxOptionsPath := field.NewPath("seLinuxOptions")
seLinux := container.SecurityContext.SELinuxOptions
if seLinux.Level != s.opts.SELinuxOptions.Level {
detail := fmt.Sprintf("seLinuxOptions.level on %s does not match required level. Found %s, wanted %s", container.Name, seLinux.Level, s.opts.SELinuxOptions.Level)
allErrs = append(allErrs, field.Invalid(seLinuxOptionsPath.Child("level"), seLinux.Level, detail))
}
if seLinux.Role != s.opts.SELinuxOptions.Role {
detail := fmt.Sprintf("seLinuxOptions.role on %s does not match required role. Found %s, wanted %s", container.Name, seLinux.Role, s.opts.SELinuxOptions.Role)
allErrs = append(allErrs, field.Invalid(seLinuxOptionsPath.Child("role"), seLinux.Role, detail))
}
if seLinux.Type != s.opts.SELinuxOptions.Type {
detail := fmt.Sprintf("seLinuxOptions.type on %s does not match required type. Found %s, wanted %s", container.Name, seLinux.Type, s.opts.SELinuxOptions.Type)
allErrs = append(allErrs, field.Invalid(seLinuxOptionsPath.Child("type"), seLinux.Type, detail))
}
if seLinux.User != s.opts.SELinuxOptions.User {
detail := fmt.Sprintf("seLinuxOptions.user on %s does not match required user. Found %s, wanted %s", container.Name, seLinux.User, s.opts.SELinuxOptions.User)
allErrs = append(allErrs, field.Invalid(seLinuxOptionsPath.Child("user"), seLinux.User, detail))
}
return allErrs
}