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authorJakub Guzik <jakubmguzik@gmail.com>2021-03-23 00:13:44 +0100
committerJakub Guzik <jakubmguzik@gmail.com>2021-03-24 00:40:30 +0100
commit5eab1b07428e4078bd15ca5b69f28f2733850cdd (patch)
treeacc9b0a1f3b726cc117170bbca5ce60e27aa9083 /pkg/util
parent4d3e71ad28f75b51dc5fa7a29775ce30c9d5c437 (diff)
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Unification of label filter across list/prune endpoints
Signed-off-by: Jakub Guzik <jakubmguzik@gmail.com>
Diffstat (limited to 'pkg/util')
-rw-r--r--pkg/util/filters.go23
-rw-r--r--pkg/util/filters_test.go77
2 files changed, 99 insertions, 1 deletions
diff --git a/pkg/util/filters.go b/pkg/util/filters.go
index 51b2c5331..90daef402 100644
--- a/pkg/util/filters.go
+++ b/pkg/util/filters.go
@@ -11,7 +11,7 @@ import (
"github.com/pkg/errors"
)
-// ComputeUntilTimestamp extracts unitil timestamp from filters
+// ComputeUntilTimestamp extracts until timestamp from filters
func ComputeUntilTimestamp(filter string, filterValues []string) (time.Time, error) {
invalid := time.Time{}
if len(filterValues) != 1 {
@@ -93,3 +93,24 @@ func PrepareFilters(r *http.Request) (*map[string][]string, error) {
}
return &filterMap, nil
}
+
+// MatchLabelFilters matches labels and returs true if they are valid
+func MatchLabelFilters(filterValues []string, labels map[string]string) bool {
+outer:
+ for _, filterValue := range filterValues {
+ filterArray := strings.SplitN(filterValue, "=", 2)
+ filterKey := filterArray[0]
+ if len(filterArray) > 1 {
+ filterValue = filterArray[1]
+ } else {
+ filterValue = ""
+ }
+ for labelKey, labelValue := range labels {
+ if labelKey == filterKey && (filterValue == "" || labelValue == filterValue) {
+ continue outer
+ }
+ }
+ return false
+ }
+ return true
+}
diff --git a/pkg/util/filters_test.go b/pkg/util/filters_test.go
new file mode 100644
index 000000000..4771f682b
--- /dev/null
+++ b/pkg/util/filters_test.go
@@ -0,0 +1,77 @@
+package util
+
+import "testing"
+
+func TestMatchLabelFilters(t *testing.T) {
+ testLabels := map[string]string{
+ "label1": "",
+ "label2": "test",
+ "label3": "",
+ }
+ type args struct {
+ filterValues []string
+ labels map[string]string
+ }
+ tests := []struct {
+ name string
+ args args
+ want bool
+ }{
+ {
+ name: "Match when all filters the same as labels",
+ args: args{
+ filterValues: []string{"label1", "label3", "label2=test"},
+ labels: testLabels,
+ },
+ want: true,
+ },
+ {
+ name: "Match when filter value not provided in args",
+ args: args{
+ filterValues: []string{"label2"},
+ labels: testLabels,
+ },
+ want: true,
+ },
+ {
+ name: "Match when no filter value is given",
+ args: args{
+ filterValues: []string{"label2="},
+ labels: testLabels,
+ },
+ want: true,
+ },
+ {
+ name: "Do not match when filter value differs",
+ args: args{
+ filterValues: []string{"label2=differs"},
+ labels: testLabels,
+ },
+ want: false,
+ },
+ {
+ name: "Do not match when filter value not listed in labels",
+ args: args{
+ filterValues: []string{"label1=xyz"},
+ labels: testLabels,
+ },
+ want: false,
+ },
+ {
+ name: "Do not match when one from many not ok",
+ args: args{
+ filterValues: []string{"label1=xyz", "invalid=valid"},
+ labels: testLabels,
+ },
+ want: false,
+ },
+ }
+ for _, tt := range tests {
+ tt := tt
+ t.Run(tt.name, func(t *testing.T) {
+ if got := MatchLabelFilters(tt.args.filterValues, tt.args.labels); got != tt.want {
+ t.Errorf("MatchLabelFilters() = %v, want %v", got, tt.want)
+ }
+ })
+ }
+}