github.com/openshift/installer@v1.4.17/pkg/destroy/gcp/subnetwork.go (about)

     1  package gcp
     2  
     3  import (
     4  	"context"
     5  
     6  	"github.com/pkg/errors"
     7  	"google.golang.org/api/compute/v1"
     8  	"google.golang.org/api/googleapi"
     9  
    10  	"github.com/openshift/installer/pkg/types/gcp"
    11  )
    12  
    13  func (o *ClusterUninstaller) listSubnetworks(ctx context.Context) ([]cloudResource, error) {
    14  	return o.listSubnetworksWithFilter(ctx, "items(name,network),nextPageToken", o.clusterIDFilter(), nil)
    15  }
    16  
    17  // listSubnetworksWithFilter lists subnetworks in the project that satisfy the filter criteria.
    18  // The fields parameter specifies which fields should be returned in the result, the filter string contains
    19  // a filter string passed to the API to filter results. The filterFunc is a client-side filtering function
    20  // that determines whether a particular result should be returned or not.
    21  func (o *ClusterUninstaller) listSubnetworksWithFilter(ctx context.Context, fields string, filter string, filterFunc func(*compute.Subnetwork) bool) ([]cloudResource, error) {
    22  	o.Logger.Debugf("Listing subnetworks")
    23  	ctx, cancel := context.WithTimeout(ctx, defaultTimeout)
    24  	defer cancel()
    25  	result := []cloudResource{}
    26  	req := o.computeSvc.Subnetworks.List(o.ProjectID, o.Region).Fields(googleapi.Field(fields))
    27  	if len(filter) > 0 {
    28  		req = req.Filter(filter)
    29  	}
    30  	err := req.Pages(ctx, func(list *compute.SubnetworkList) error {
    31  		for _, item := range list.Items {
    32  			if filterFunc == nil || filterFunc != nil && filterFunc(item) {
    33  				o.Logger.Debugf("Found subnetwork: %s", item.Name)
    34  				result = append(result, cloudResource{
    35  					key:      item.Name,
    36  					name:     item.Name,
    37  					typeName: "subnetwork",
    38  					quota: []gcp.QuotaUsage{{
    39  						Metric: &gcp.Metric{
    40  							Service: gcp.ServiceComputeEngineAPI,
    41  							Limit:   "subnetworks",
    42  						},
    43  						Amount: 1,
    44  					}, {
    45  						Metric: &gcp.Metric{
    46  							Service: gcp.ServiceComputeEngineAPI,
    47  							Limit:   "subnet_ranges_per_vpc_network",
    48  							Dimensions: map[string]string{
    49  								"network_id": getNameFromURL("networks", item.Network),
    50  							},
    51  						},
    52  						Amount: 1,
    53  					}},
    54  				})
    55  			}
    56  		}
    57  		return nil
    58  	})
    59  	if err != nil {
    60  		return nil, errors.Wrapf(err, "failed to list subnetworks")
    61  	}
    62  	return result, nil
    63  }
    64  
    65  func (o *ClusterUninstaller) deleteSubnetwork(ctx context.Context, item cloudResource) error {
    66  	o.Logger.Debugf("Deleting subnetwork %s", item.name)
    67  	ctx, cancel := context.WithTimeout(ctx, defaultTimeout)
    68  	defer cancel()
    69  	op, err := o.computeSvc.Subnetworks.Delete(o.ProjectID, o.Region, item.name).RequestId(o.requestID(item.typeName, item.name)).Context(ctx).Do()
    70  	if err != nil && !isNoOp(err) {
    71  		o.resetRequestID(item.typeName, item.name)
    72  		return errors.Wrapf(err, "failed to delete subnetwork %s", item.name)
    73  	}
    74  	if op != nil && op.Status == "DONE" && isErrorStatus(op.HttpErrorStatusCode) {
    75  		o.resetRequestID(item.typeName, item.name)
    76  		return errors.Errorf("failed to delete subnetwork %s with error: %s", item.name, operationErrorMessage(op))
    77  	}
    78  	if (err != nil && isNoOp(err)) || (op != nil && op.Status == "DONE") {
    79  		o.resetRequestID(item.typeName, item.name)
    80  		o.deletePendingItems(item.typeName, []cloudResource{item})
    81  		o.Logger.Infof("Deleted subnetwork %s", item.name)
    82  	}
    83  	return nil
    84  }
    85  
    86  // destroySubNetworks removes all subnetwork resources that have a name prefixed
    87  // with the cluster's infra ID.
    88  func (o *ClusterUninstaller) destroySubnetworks(ctx context.Context) error {
    89  	found, err := o.listSubnetworks(ctx)
    90  	if err != nil {
    91  		return err
    92  	}
    93  	items := o.insertPendingItems("subnetwork", found)
    94  	for _, item := range items {
    95  		err := o.deleteSubnetwork(ctx, item)
    96  		if err != nil {
    97  			o.errorTracker.suppressWarning(item.key, err, o.Logger)
    98  		}
    99  	}
   100  	if items = o.getPendingItems("subnetwork"); len(items) > 0 {
   101  		return errors.Errorf("%d items pending", len(items))
   102  	}
   103  	return nil
   104  }