securitycontextconstraints

package
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Published: Nov 13, 2017 License: Apache-2.0 Imports: 23 Imported by: 0

Documentation

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func AssignSecurityContext

func AssignSecurityContext(provider SecurityContextConstraintsProvider, pod *kapi.Pod, fldPath *field.Path) field.ErrorList

AssignSecurityContext creates a security context for each container in the pod and validates that the sc falls within the scc constraints. All containers must validate against the same scc or is not considered valid.

func ConstraintAppliesTo

func ConstraintAppliesTo(constraint *securityapi.SecurityContextConstraints, userInfo user.Info) bool

ConstraintAppliesTo inspects the constraint's users and groups against the userInfo to determine if it is usable by the userInfo.

func DeduplicateSecurityContextConstraints

func DeduplicateSecurityContextConstraints(sccs []*securityapi.SecurityContextConstraints) []*securityapi.SecurityContextConstraints

DeduplicateSecurityContextConstraints ensures we have a unique slice of constraints.

Types

type ByPriority

ByRestrictions is a helper to sort SCCs based on priority. If priorities are equal a string compare of the name is used.

func (ByPriority) Len

func (s ByPriority) Len() int

func (ByPriority) Less

func (s ByPriority) Less(i, j int) bool

func (ByPriority) Swap

func (s ByPriority) Swap(i, j int)

type ByRestrictions

type ByRestrictions []*securityapi.SecurityContextConstraints

ByRestrictions is a helper to sort SCCs in order of most restrictive to least restrictive.

func (ByRestrictions) Len

func (s ByRestrictions) Len() int

func (ByRestrictions) Less

func (s ByRestrictions) Less(i, j int) bool

func (ByRestrictions) Swap

func (s ByRestrictions) Swap(i, j int)

type DefaultSCCMatcher

type DefaultSCCMatcher struct {
	// contains filtered or unexported fields
}

DefaultSCCMatcher implements default implementation for SCCMatcher interface

func (DefaultSCCMatcher) FindApplicableSCCs

func (d DefaultSCCMatcher) FindApplicableSCCs(userInfo user.Info) ([]*securityapi.SecurityContextConstraints, error)

FindApplicableSCCs implements SCCMatcher interface for DefaultSCCMatcher

type SCCMatcher

type SCCMatcher interface {
	FindApplicableSCCs(user user.Info) ([]*securityapi.SecurityContextConstraints, error)
}

SCCMatcher defines interface for SecurityContextConstraint matcher

func NewDefaultSCCMatcher

NewDefaultSCCMatcher builds and initializes a DefaultSCCMatcher

type SecurityContextConstraintsProvider

type SecurityContextConstraintsProvider interface {
	// Create a PodSecurityContext based on the given constraints.
	CreatePodSecurityContext(pod *api.Pod) (*api.PodSecurityContext, map[string]string, error)
	// Create a container SecurityContext based on the given constraints
	CreateContainerSecurityContext(pod *api.Pod, container *api.Container) (*api.SecurityContext, error)
	// Ensure a pod's SecurityContext is in compliance with the given constraints.
	ValidatePodSecurityContext(pod *api.Pod, fldPath *field.Path) field.ErrorList
	// Ensure a container's SecurityContext is in compliance with the given constraints
	ValidateContainerSecurityContext(pod *api.Pod, container *api.Container, fldPath *field.Path) field.ErrorList
	// Get the name of the SCC that this provider was initialized with.
	GetSCCName() string
}

SecurityContextConstraintsProvider provides the implementation to generate a new security context based on constraints or validate an existing security context against constraints.

func CreateProviderFromConstraint

func CreateProviderFromConstraint(ns string, namespace *kapi.Namespace, constraint *securityapi.SecurityContextConstraints, client clientset.Interface) (SecurityContextConstraintsProvider, *kapi.Namespace, error)

CreateProviderFromConstraint creates a SecurityContextConstraintProvider from a SecurityContextConstraint

func CreateProvidersFromConstraints

func CreateProvidersFromConstraints(ns string, sccs []*securityapi.SecurityContextConstraints, client clientset.Interface) ([]SecurityContextConstraintsProvider, []error)

CreateProvidersFromConstraints creates providers from the constraints supplied, including looking up pre-allocated values if necessary using the pod's namespace.

func NewSimpleProvider

NewSimpleProvider creates a new SecurityContextConstraintsProvider instance.

Directories

Path Synopsis
Package selinux contains security context constraints SELinux strategy implementations.
Package selinux contains security context constraints SELinux strategy implementations.
Package user contains security context constraints user strategy implementations.
Package user contains security context constraints user strategy implementations.

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