docs: podDisruptionBudget.minAvailable should be numeric (#10715)

Signed-off-by: Yuan Tang <[email protected]>

examples/default-pdb-support.yaml

@@ -7,7 +7,7 @@ spec:
   entrypoint: pdbcreate
   serviceAccountName: default
   podDisruptionBudget:
-    minAvailable: "9999"   # Provide arbitrary big number if you don't know how many pods workflow creates
+    minAvailable: 9999   # Provide arbitrary big number if you don't know how many pods workflow creates
   templates:
   - name: pdbcreate
     container:

examples/validator.go

@@ -4,8 +4,8 @@ import (
 	"fmt"
 	"io/ioutil"
 	"os"
-	"strings"
 	"path/filepath"
+	"strings"
 
 	"github.com/xeipuuv/gojsonschema"
 	"sigs.k8s.io/yaml"
@@ -67,15 +67,16 @@ func ValidateArgoYamlRecursively(fromPath string, skipFileNames []string) (map[s
 			errorDescriptions := []string{}
 			for _, err := range result.Errors() {
 				// port should be port number or port reference string, using string port number will cause issue
-				// due swagger 2.0 limitation, we can only specify one data type (we use string, same as k8s api swagger)
-				if strings.HasSuffix(err.Field(), "httpGet.port") && err.Description() == "Invalid type. Expected: string, given: integer" {
+				// due swagger 2.0 limitation, we can only specify one data type (we use string, same as k8s api swagger).
+				// Similarly, we cannot use string minAvailable either.
+				if (strings.HasSuffix(err.Field(), "httpGet.port") || strings.HasSuffix(err.Field(), "podDisruptionBudget.minAvailable")) && err.Description() == "Invalid type. Expected: string, given: integer" {
 					incorrectError = true
 					continue
 				} else {
 					errorDescriptions = append(errorDescriptions, fmt.Sprintf("%s in %s", err.Description(), err.Context().String()))
 				}
 			}
-			
+
 			if !(incorrectError && len(errorDescriptions) == 1) {
 				failed[path] = errorDescriptions
 			}