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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,105 @@ | ||
| package filters | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "strings" | ||
|
|
||
| "k8s.io/utils/strings/slices" | ||
| ) | ||
|
|
||
| var ( | ||
| validTypes = []string{"agent", "apm", "beat", "elasticsearch", "enterprisesearch", "kibana", "maps"} | ||
| elasticTypeKey = "common.k8s.elastic.co/type" | ||
| elasticsearchNameFormat = "%s.k8s.elastic.co/cluster-name" | ||
| elasticNameFormat = "%s.k8s.elastic.co/name" | ||
| ) | ||
|
|
||
| type Filter struct { | ||
| source []string | ||
| typ string | ||
| name string | ||
| labelSelector string | ||
| } | ||
|
|
||
| func (f Filter) LabelSelector() string { | ||
| return f.labelSelector | ||
| } | ||
|
|
||
| func (f Filter) Type() string { | ||
| return f.typ | ||
| } | ||
|
|
||
| func (f Filter) Name() string { | ||
| return f.name | ||
| } | ||
|
|
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| func New(source []string) (Filter, error) { | ||
| filter := Filter{ | ||
| source: source, | ||
| } | ||
| return filter.validate() | ||
| } | ||
|
|
||
| func (f Filter) validate() (Filter, error) { | ||
| if len(f.source) == 0 { | ||
| return f, nil | ||
| } | ||
| var typ, name string | ||
| for _, filter := range f.source { | ||
| filterSlice := strings.Split(filter, "=") | ||
| if len(filterSlice) != 2 { | ||
| return f, fmt.Errorf("Invalid filter: %s", filter) | ||
| } | ||
| k, v := filterSlice[0], filterSlice[1] | ||
| switch k { | ||
| case "type": | ||
| { | ||
| if typ != "" { | ||
| return f, fmt.Errorf("Only a single type filter is supported.") | ||
| } | ||
| typ = v | ||
| } | ||
| case "name": | ||
| { | ||
| if name != "" { | ||
| return f, fmt.Errorf("Only a single name filter is supported.") | ||
| } | ||
| name = v | ||
| } | ||
| default: | ||
| return f, fmt.Errorf("Invalid filter key: %s. Only 'type', and 'name' are supported.", k) | ||
| } | ||
| } | ||
| if typ == "" { | ||
| return f, fmt.Errorf("Invalid Filter: missing 'type'") | ||
| } | ||
| if err := validateType(typ); err != nil { | ||
| return f, err | ||
| } | ||
| if name == "" { | ||
| return f, fmt.Errorf("Invalid Filter: missing 'name'") | ||
| } | ||
| f.typ, f.name = typ, name | ||
| f.labelSelector = convertFilterToLabelSelector(f.typ, f.name) | ||
| return f, nil | ||
| } | ||
|
|
||
| func validateType(typ string) error { | ||
| if !slices.Contains(validTypes, typ) { | ||
| return fmt.Errorf("invalid type: %s, supported types: %v", typ, validTypes) | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| func convertFilterToLabelSelector(typ, name string) string { | ||
| var elasticfilter string | ||
| elasticfilter += elasticTypeKey + "=" + strings.ToLower(typ) + "," | ||
| switch typ { | ||
| case "elasticsearch": | ||
| elasticfilter += fmt.Sprintf(elasticsearchNameFormat, strings.ToLower(typ)) + "=" + name | ||
| default: | ||
| elasticfilter += fmt.Sprintf(elasticNameFormat, strings.ToLower(typ)) + "=" + name | ||
| } | ||
|
|
||
| return elasticfilter | ||
| } |
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