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Refactor labelSelector schema and its flatteners/expanders functions …
…for reuse (#140) * Move labelSelector schema and its flatteners/expanders functions out of persistant volume claims files to their own files for reuse * Simplify code
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,46 @@ | ||
| package kubernetes | ||
|
|
||
| import ( | ||
| "github.com/hashicorp/terraform/helper/schema" | ||
| ) | ||
|
|
||
| func labelSelectorFields() map[string]*schema.Schema { | ||
| return map[string]*schema.Schema{ | ||
| "match_expressions": { | ||
| Type: schema.TypeList, | ||
| Description: "A list of label selector requirements. The requirements are ANDed.", | ||
| Optional: true, | ||
| ForceNew: true, | ||
| Elem: &schema.Resource{ | ||
| Schema: map[string]*schema.Schema{ | ||
| "key": { | ||
| Type: schema.TypeString, | ||
| Description: "The label key that the selector applies to.", | ||
| Optional: true, | ||
| ForceNew: true, | ||
| }, | ||
| "operator": { | ||
| Type: schema.TypeString, | ||
| Description: "A key's relationship to a set of values. Valid operators ard `In`, `NotIn`, `Exists` and `DoesNotExist`.", | ||
| Optional: true, | ||
| ForceNew: true, | ||
| }, | ||
| "values": { | ||
| Type: schema.TypeSet, | ||
| Description: "An array of string values. If the operator is `In` or `NotIn`, the values array must be non-empty. If the operator is `Exists` or `DoesNotExist`, the values array must be empty. This array is replaced during a strategic merge patch.", | ||
| Optional: true, | ||
| ForceNew: true, | ||
| Elem: &schema.Schema{Type: schema.TypeString}, | ||
| Set: schema.HashString, | ||
| }, | ||
| }, | ||
| }, | ||
| }, | ||
| "match_labels": { | ||
| Type: schema.TypeMap, | ||
| Description: "A map of {key,value} pairs. A single {key,value} in the matchLabels map is equivalent to an element of `match_expressions`, whose key field is \"key\", the operator is \"In\", and the values array contains only \"value\". The requirements are ANDed.", | ||
| Optional: true, | ||
| ForceNew: true, | ||
| }, | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,67 @@ | ||
| package kubernetes | ||
|
|
||
| import ( | ||
| "github.com/hashicorp/terraform/helper/schema" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| ) | ||
|
|
||
| // Flatteners | ||
|
|
||
| func flattenLabelSelector(in *metav1.LabelSelector) []interface{} { | ||
| att := make(map[string]interface{}) | ||
| if len(in.MatchLabels) > 0 { | ||
| att["match_labels"] = in.MatchLabels | ||
| } | ||
| if len(in.MatchExpressions) > 0 { | ||
| att["match_expressions"] = flattenLabelSelectorRequirement(in.MatchExpressions) | ||
| } | ||
| if len(att) > 0 { | ||
| return []interface{}{att} | ||
| } | ||
| return []interface{}{} | ||
| } | ||
|
|
||
| func flattenLabelSelectorRequirement(in []metav1.LabelSelectorRequirement) []interface{} { | ||
| att := make([]interface{}, len(in), len(in)) | ||
| for i, n := range in { | ||
| m := make(map[string]interface{}) | ||
| m["key"] = n.Key | ||
| m["operator"] = n.Operator | ||
| m["values"] = newStringSet(schema.HashString, n.Values) | ||
| att[i] = m | ||
| } | ||
| return att | ||
| } | ||
|
|
||
| // Expanders | ||
|
|
||
| func expandLabelSelector(l []interface{}) *metav1.LabelSelector { | ||
| if len(l) == 0 || l[0] == nil { | ||
| return &metav1.LabelSelector{} | ||
| } | ||
| in := l[0].(map[string]interface{}) | ||
| obj := &metav1.LabelSelector{} | ||
| if v, ok := in["match_labels"].(map[string]interface{}); ok && len(v) > 0 { | ||
| obj.MatchLabels = expandStringMap(v) | ||
| } | ||
| if v, ok := in["match_expressions"].([]interface{}); ok && len(v) > 0 { | ||
| obj.MatchExpressions = expandLabelSelectorRequirement(v) | ||
| } | ||
| return obj | ||
| } | ||
|
|
||
| func expandLabelSelectorRequirement(l []interface{}) []metav1.LabelSelectorRequirement { | ||
| if len(l) == 0 || l[0] == nil { | ||
| return []metav1.LabelSelectorRequirement{} | ||
| } | ||
| obj := make([]metav1.LabelSelectorRequirement, len(l), len(l)) | ||
| for i, n := range l { | ||
| in := n.(map[string]interface{}) | ||
| obj[i] = metav1.LabelSelectorRequirement{ | ||
| Key: in["key"].(string), | ||
| Operator: metav1.LabelSelectorOperator(in["operator"].(string)), | ||
| Values: sliceOfString(in["values"].(*schema.Set).List()), | ||
| } | ||
| } | ||
| return obj | ||
| } |
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