/
provider_helper.go
103 lines (87 loc) · 2.02 KB
/
provider_helper.go
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package provider
import (
"fmt"
"net/url"
"strings"
)
func attributesToMap(rawMap map[string]interface{}) (map[string]string, error) {
strMap := map[string]string{}
for k, v := range rawMap {
str, ok := v.(string)
if !ok {
return nil, fmt.Errorf("non-string value used in map")
}
strMap[k] = str
}
return strMap, nil
}
func mapToAttributes(rawMap map[string]string) (map[string]interface{}, error) {
attr := map[string]interface{}{}
for k, v := range rawMap {
attr[k] = v
}
return attr, nil
}
func removeInternalKeys(m map[string]string, d map[string]interface{}) map[string]string {
for k := range m {
if isInternalKey(k) && !isKeyInMap(k, d) {
delete(m, k)
}
}
return m
}
func isKeyInMap(key string, d map[string]interface{}) bool {
if d == nil {
return false
}
for k := range d {
if k == key {
return true
}
}
return false
}
func isInternalKey(annotationKey string) bool {
u, err := url.Parse("//" + annotationKey)
if err != nil {
return false
}
// allow user specified application specific keys
if u.Hostname() == "app.kubernetes.io" {
return false
}
// internal *.kubernetes.io keys
if strings.HasSuffix(u.Hostname(), "kubernetes.io") {
return true
}
// Specific to DaemonSet annotations, generated & controlled by the server.
if strings.Contains(annotationKey, "deprecated.daemonset.templates.generation") {
return true
}
// internal *.loft.sh keys
if strings.HasSuffix(u.Hostname(), "loft.sh") {
return true
}
return false
}
func getAddedModifiedAndDeleted(old map[string]interface{}, new map[string]interface{}) (map[string]interface{}, map[string]interface{}, map[string]interface{}, error) {
added := map[string]interface{}{}
modified := map[string]interface{}{}
deleted := map[string]interface{}{}
for k, v := range new {
_, oldHasKey := old[k]
if !oldHasKey {
added[k] = v
}
if oldHasKey {
modified[k] = v
}
}
for k, v := range old {
_, newHasKey := new[k]
if !newHasKey {
deleted[k] = v
}
}
return added, modified, deleted, nil
}