github.com/argoproj/argo-events@v1.9.1/sensors/triggers/fetch.go (about)

     1  /*
     2  Copyright 2020 BlackRock, Inc.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8  	http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package triggers
    18  
    19  import (
    20  	"fmt"
    21  
    22  	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
    23  
    24  	"github.com/argoproj/argo-events/pkg/apis/sensor/v1alpha1"
    25  	"github.com/argoproj/argo-events/sensors/artifacts"
    26  )
    27  
    28  func FetchKubernetesResource(source *v1alpha1.ArtifactLocation) (*unstructured.Unstructured, error) {
    29  	if source == nil {
    30  		return nil, fmt.Errorf("trigger source for k8s is empty")
    31  	}
    32  	creds, err := artifacts.GetCredentials(source)
    33  	if err != nil {
    34  		return nil, err
    35  	}
    36  	reader, err := artifacts.GetArtifactReader(source, creds)
    37  	if err != nil {
    38  		return nil, err
    39  	}
    40  
    41  	// uObj will either hold the resource definition stored in the trigger or just
    42  	// a stub to provide enough information to fetch the object from K8s cluster
    43  	uObj, err := artifacts.FetchArtifact(reader)
    44  	if err != nil {
    45  		return nil, err
    46  	}
    47  	return uObj, nil
    48  }