forked from hashicorp/terraform-provider-kubernetes
/
structures.go
479 lines (416 loc) · 11.3 KB
/
structures.go
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package kubernetes
import (
"encoding/base64"
"fmt"
"net/url"
"strings"
"github.com/hashicorp/terraform/helper/schema"
"k8s.io/apimachinery/pkg/api/resource"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
api "k8s.io/kubernetes/pkg/api/v1"
)
func idParts(id string) (string, string, error) {
parts := strings.Split(id, "/")
if len(parts) != 2 {
err := fmt.Errorf("Unexpected ID format (%q), expected %q.", id, "namespace/name")
return "", "", err
}
return parts[0], parts[1], nil
}
func buildId(meta metav1.ObjectMeta) string {
return meta.Namespace + "/" + meta.Name
}
func expandMetadata(in []interface{}) metav1.ObjectMeta {
meta := metav1.ObjectMeta{}
if len(in) < 1 {
return meta
}
m := in[0].(map[string]interface{})
meta.Annotations = expandStringMap(m["annotations"].(map[string]interface{}))
meta.Labels = expandStringMap(m["labels"].(map[string]interface{}))
if v, ok := m["generate_name"]; ok {
meta.GenerateName = v.(string)
}
if v, ok := m["name"]; ok {
meta.Name = v.(string)
}
if v, ok := m["namespace"]; ok {
meta.Namespace = v.(string)
}
return meta
}
func patchMetadata(keyPrefix, pathPrefix string, d *schema.ResourceData) PatchOperations {
ops := make([]PatchOperation, 0, 0)
if d.HasChange(keyPrefix + "annotations") {
oldV, newV := d.GetChange(keyPrefix + "annotations")
diffOps := diffStringMap(pathPrefix+"annotations", oldV.(map[string]interface{}), newV.(map[string]interface{}))
ops = append(ops, diffOps...)
}
if d.HasChange(keyPrefix + "labels") {
oldV, newV := d.GetChange(keyPrefix + "labels")
diffOps := diffStringMap(pathPrefix+"labels", oldV.(map[string]interface{}), newV.(map[string]interface{}))
ops = append(ops, diffOps...)
}
return ops
}
func expandStringMap(m map[string]interface{}) map[string]string {
result := make(map[string]string)
for k, v := range m {
result[k] = v.(string)
}
return result
}
func expandStringSlice(s []interface{}) []string {
result := make([]string, len(s), len(s))
for k, v := range s {
result[k] = v.(string)
}
return result
}
func flattenMetadata(meta metav1.ObjectMeta) []map[string]interface{} {
m := make(map[string]interface{})
m["annotations"] = removeInternalKeys(meta.Annotations)
if meta.GenerateName != "" {
m["generate_name"] = meta.GenerateName
}
m["labels"] = removeInternalKeys(meta.Labels)
m["name"] = meta.Name
m["resource_version"] = meta.ResourceVersion
m["self_link"] = meta.SelfLink
m["uid"] = fmt.Sprintf("%v", meta.UID)
m["generation"] = meta.Generation
if meta.Namespace != "" {
m["namespace"] = meta.Namespace
}
return []map[string]interface{}{m}
}
func removeInternalKeys(m map[string]string) map[string]string {
for k, _ := range m {
if isInternalKey(k) {
delete(m, k)
}
}
return m
}
func isInternalKey(annotationKey string) bool {
u, err := url.Parse("//" + annotationKey)
if err == nil && strings.HasSuffix(u.Hostname(), "kubernetes.io") {
return true
}
return false
}
func byteMapToStringMap(m map[string][]byte) map[string]string {
result := make(map[string]string)
for k, v := range m {
result[k] = string(v)
}
return result
}
func ptrToString(s string) *string {
return &s
}
func ptrToInt(i int) *int {
return &i
}
func ptrToBool(b bool) *bool {
return &b
}
func ptrToInt32(i int32) *int32 {
return &i
}
func ptrToInt64(i int64) *int64 {
return &i
}
func sliceOfString(slice []interface{}) []string {
result := make([]string, len(slice), len(slice))
for i, s := range slice {
result[i] = s.(string)
}
return result
}
func base64EncodeStringMap(m map[string]interface{}) map[string]interface{} {
result := make(map[string]interface{})
for k, v := range m {
value := v.(string)
result[k] = (base64.StdEncoding.EncodeToString([]byte(value)))
}
return result
}
func flattenResourceList(l api.ResourceList) map[string]string {
m := make(map[string]string)
for k, v := range l {
m[string(k)] = v.String()
}
return m
}
func expandMapToResourceList(m map[string]interface{}) (api.ResourceList, error) {
out := make(map[api.ResourceName]resource.Quantity)
for stringKey, origValue := range m {
key := api.ResourceName(stringKey)
var value resource.Quantity
if v, ok := origValue.(int); ok {
q := resource.NewQuantity(int64(v), resource.DecimalExponent)
value = *q
} else if v, ok := origValue.(string); ok {
var err error
value, err = resource.ParseQuantity(v)
if err != nil {
return out, err
}
} else {
return out, fmt.Errorf("Unexpected value type: %#v", origValue)
}
out[key] = value
}
return out, nil
}
func flattenPersistentVolumeAccessModes(in []api.PersistentVolumeAccessMode) *schema.Set {
var out = make([]interface{}, len(in), len(in))
for i, v := range in {
out[i] = string(v)
}
return schema.NewSet(schema.HashString, out)
}
func expandPersistentVolumeAccessModes(s []interface{}) []api.PersistentVolumeAccessMode {
out := make([]api.PersistentVolumeAccessMode, len(s), len(s))
for i, v := range s {
out[i] = api.PersistentVolumeAccessMode(v.(string))
}
return out
}
func flattenResourceQuotaSpec(in api.ResourceQuotaSpec) []interface{} {
out := make([]interface{}, 1)
m := make(map[string]interface{}, 0)
m["hard"] = flattenResourceList(in.Hard)
m["scopes"] = flattenResourceQuotaScopes(in.Scopes)
out[0] = m
return out
}
func expandResourceQuotaSpec(s []interface{}) (api.ResourceQuotaSpec, error) {
out := api.ResourceQuotaSpec{}
if len(s) < 1 {
return out, nil
}
m := s[0].(map[string]interface{})
if v, ok := m["hard"]; ok {
list, err := expandMapToResourceList(v.(map[string]interface{}))
if err != nil {
return out, err
}
out.Hard = list
}
if v, ok := m["scopes"]; ok {
out.Scopes = expandResourceQuotaScopes(v.(*schema.Set).List())
}
return out, nil
}
func flattenResourceQuotaScopes(in []api.ResourceQuotaScope) *schema.Set {
out := make([]string, len(in), len(in))
for i, scope := range in {
out[i] = string(scope)
}
return newStringSet(schema.HashString, out)
}
func expandResourceQuotaScopes(s []interface{}) []api.ResourceQuotaScope {
out := make([]api.ResourceQuotaScope, len(s), len(s))
for i, scope := range s {
out[i] = api.ResourceQuotaScope(scope.(string))
}
return out
}
func newStringSet(f schema.SchemaSetFunc, in []string) *schema.Set {
var out = make([]interface{}, len(in), len(in))
for i, v := range in {
out[i] = v
}
return schema.NewSet(f, out)
}
func newInt64Set(f schema.SchemaSetFunc, in []int64) *schema.Set {
var out = make([]interface{}, len(in), len(in))
for i, v := range in {
out[i] = int(v)
}
return schema.NewSet(f, out)
}
func resourceListEquals(x, y api.ResourceList) bool {
for k, v := range x {
yValue, ok := y[k]
if !ok {
return false
}
if v.Cmp(yValue) != 0 {
return false
}
}
for k, v := range y {
xValue, ok := x[k]
if !ok {
return false
}
if v.Cmp(xValue) != 0 {
return false
}
}
return true
}
func expandLimitRangeSpec(s []interface{}, isNew bool) (api.LimitRangeSpec, error) {
out := api.LimitRangeSpec{}
if len(s) < 1 || s[0] == nil {
return out, nil
}
m := s[0].(map[string]interface{})
if limits, ok := m["limit"].([]interface{}); ok {
newLimits := make([]api.LimitRangeItem, len(limits), len(limits))
for i, l := range limits {
lrItem := api.LimitRangeItem{}
limit := l.(map[string]interface{})
if v, ok := limit["type"]; ok {
lrItem.Type = api.LimitType(v.(string))
}
// defaultRequest is forbidden for Pod limits, even though it's set & returned by API
// this is how we avoid sending it back
if v, ok := limit["default_request"]; ok {
drm := v.(map[string]interface{})
if lrItem.Type == api.LimitTypePod && len(drm) > 0 {
if isNew {
return out, fmt.Errorf("limit.%d.default_request cannot be set for Pod limit", i)
}
} else {
el, err := expandMapToResourceList(drm)
if err != nil {
return out, err
}
lrItem.DefaultRequest = el
}
}
if v, ok := limit["default"]; ok {
el, err := expandMapToResourceList(v.(map[string]interface{}))
if err != nil {
return out, err
}
lrItem.Default = el
}
if v, ok := limit["max"]; ok {
el, err := expandMapToResourceList(v.(map[string]interface{}))
if err != nil {
return out, err
}
lrItem.Max = el
}
if v, ok := limit["max_limit_request_ratio"]; ok {
el, err := expandMapToResourceList(v.(map[string]interface{}))
if err != nil {
return out, err
}
lrItem.MaxLimitRequestRatio = el
}
if v, ok := limit["min"]; ok {
el, err := expandMapToResourceList(v.(map[string]interface{}))
if err != nil {
return out, err
}
lrItem.Min = el
}
newLimits[i] = lrItem
}
out.Limits = newLimits
}
return out, nil
}
func flattenLimitRangeSpec(in api.LimitRangeSpec) []interface{} {
out := make([]interface{}, 1)
limits := make([]interface{}, len(in.Limits), len(in.Limits))
for i, l := range in.Limits {
m := make(map[string]interface{}, 0)
m["default"] = flattenResourceList(l.Default)
m["default_request"] = flattenResourceList(l.DefaultRequest)
m["max"] = flattenResourceList(l.Max)
m["max_limit_request_ratio"] = flattenResourceList(l.MaxLimitRequestRatio)
m["min"] = flattenResourceList(l.Min)
m["type"] = string(l.Type)
limits[i] = m
}
out[0] = map[string]interface{}{
"limit": limits,
}
return out
}
func schemaSetToStringArray(set *schema.Set) []string {
array := make([]string, 0, set.Len())
for _, elem := range set.List() {
e := elem.(string)
array = append(array, e)
}
return array
}
func schemaSetToInt64Array(set *schema.Set) []int64 {
array := make([]int64, 0, set.Len())
for _, elem := range set.List() {
e := elem.(int)
array = append(array, int64(e))
}
return array
}
func flattenLabelSelectorRequirementList(l []metav1.LabelSelectorRequirement) []interface{} {
att := make([]map[string]interface{}, len(l))
for i, v := range l {
m := map[string]interface{}{}
m["key"] = v.Key
m["values"] = newStringSet(schema.HashString, v.Values)
m["operator"] = string(v.Operator)
att[i] = m
}
return []interface{}{att}
}
func flattenLocalObjectReferenceArray(in []api.LocalObjectReference) []interface{} {
att := make([]interface{}, len(in))
for i, v := range in {
m := map[string]interface{}{}
if v.Name != "" {
m["name"] = v.Name
}
att[i] = m
}
return att
}
func expandLocalObjectReferenceArray(in []interface{}) []api.LocalObjectReference {
att := []api.LocalObjectReference{}
if len(in) < 1 {
return att
}
att = make([]api.LocalObjectReference, len(in))
for i, c := range in {
p := c.(map[string]interface{})
if name, ok := p["name"]; ok {
att[i].Name = name.(string)
}
}
return att
}
func flattenServiceAccountSecrets(in []api.ObjectReference, defaultSecretName string) []interface{} {
att := make([]interface{}, 0)
for _, v := range in {
if v.Name == defaultSecretName {
continue
}
m := map[string]interface{}{}
if v.Name != "" {
m["name"] = v.Name
}
att = append(att, m)
}
return att
}
func expandServiceAccountSecrets(in []interface{}, defaultSecretName string) []api.ObjectReference {
att := make([]api.ObjectReference, 0)
for _, c := range in {
p := c.(map[string]interface{})
if name, ok := p["name"]; ok {
att = append(att, api.ObjectReference{Name: name.(string)})
}
}
if defaultSecretName != "" {
att = append(att, api.ObjectReference{Name: defaultSecretName})
}
return att
}