121 lines
2.5 KiB
Go
121 lines
2.5 KiB
Go
package resource
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import (
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"strings"
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"github.com/derailed/k9s/internal/k8s"
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"github.com/rs/zerolog/log"
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v1 "k8s.io/api/rbac/v1"
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)
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// Role tracks a kubernetes resource.
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type Role struct {
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*Base
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instance *v1.Role
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}
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// NewRoleList returns a new resource list.
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func NewRoleList(ns string) List {
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return NewRoleListWithArgs(ns, NewRole())
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}
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// NewRoleListWithArgs returns a new resource list.
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func NewRoleListWithArgs(ns string, res Resource) List {
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l := newList(ns, "role", res, AllVerbsAccess|DescribeAccess)
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l.xray = true
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return l
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}
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// NewRole instantiates a new Endpoint.
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func NewRole() *Role {
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return NewRoleWithArgs(k8s.NewRole())
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}
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// NewRoleWithArgs instantiates a new Endpoint.
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func NewRoleWithArgs(r k8s.Res) *Role {
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ep := &Role{
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Base: &Base{
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caller: r,
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},
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}
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ep.creator = ep
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return ep
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}
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// NewInstance builds a new Endpoint instance from a k8s resource.
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func (*Role) NewInstance(i interface{}) Columnar {
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cm := NewRole()
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switch i.(type) {
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case *v1.Role:
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cm.instance = i.(*v1.Role)
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case v1.Role:
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ii := i.(v1.Role)
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cm.instance = &ii
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default:
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log.Fatal().Msgf("Unknown %#v", i)
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}
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cm.path = cm.namespacedName(cm.instance.ObjectMeta)
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return cm
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}
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// Marshal resource to yaml.
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func (r *Role) Marshal(path string) (string, error) {
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ns, n := namespaced(path)
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i, err := r.caller.Get(ns, n)
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if err != nil {
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return "", err
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}
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role := i.(*v1.Role)
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role.TypeMeta.APIVersion = "rbac.authorization.k8s.io/v1"
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role.TypeMeta.Kind = "Role"
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return r.marshalObject(role)
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}
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// Header return resource header.
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func (*Role) Header(ns string) Row {
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hh := Row{}
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if ns == AllNamespaces {
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hh = append(hh, "NAMESPACE")
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}
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return append(hh, "NAME", "AGE")
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}
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// Fields retrieves displayable fields.
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func (r *Role) Fields(ns string) Row {
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ff := make(Row, 0, len(r.Header(ns)))
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i := r.instance
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if ns == AllNamespaces {
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ff = append(ff, i.Namespace)
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}
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return append(ff,
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i.Name,
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toAge(i.ObjectMeta.CreationTimestamp),
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)
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}
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// ExtFields returns extended fields in relation to headers.
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func (r *Role) ExtFields() Properties {
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i := r.instance
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return Properties{
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"Headers": Row{"RESOURCES", "NON-RESOURCE URLS", "RESOURCE NAMES", "VERBS"},
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"Rows": r.parseRules(i.Rules),
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}
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}
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// Helpers...
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func (r *Role) parseRules(pp []v1.PolicyRule) []Row {
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acc := make([]Row, len(pp))
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for i, p := range pp {
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acc[i] = make(Row, 4)
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acc[i][0] = strings.Join(p.Resources, ", ")
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acc[i][1] = strings.Join(p.NonResourceURLs, ", ")
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acc[i][2] = strings.Join(p.ResourceNames, ", ")
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acc[i][3] = strings.Join(p.Verbs, ", ")
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}
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return acc
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}
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