mirror of https://github.com/kubernetes/kops.git
107 lines
3.0 KiB
Go
107 lines
3.0 KiB
Go
/*
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Copyright 2019 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package aws
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import (
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"context"
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"fmt"
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"github.com/aws/aws-sdk-go-v2/aws"
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"github.com/aws/aws-sdk-go-v2/service/ec2"
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ec2types "github.com/aws/aws-sdk-go-v2/service/ec2/types"
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"k8s.io/klog/v2"
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"k8s.io/kops/pkg/resources"
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"k8s.io/kops/upup/pkg/fi"
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"k8s.io/kops/upup/pkg/fi/cloudup/awsup"
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)
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// DescribeRouteTables lists route-tables tagged for the cluster (shared and owned)
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func DescribeRouteTables(cloud fi.Cloud, clusterName string) (map[string]ec2types.RouteTable, error) {
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ctx := context.TODO()
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c := cloud.(awsup.AWSCloud)
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routeTables := make(map[string]ec2types.RouteTable)
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klog.V(2).Info("Listing EC2 RouteTables")
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for _, filters := range buildEC2FiltersForCluster(clusterName) {
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request := &ec2.DescribeRouteTablesInput{
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Filters: filters,
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}
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response, err := c.EC2().DescribeRouteTables(ctx, request)
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if err != nil {
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return nil, fmt.Errorf("error listing RouteTables: %v", err)
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}
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for _, rt := range response.RouteTables {
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routeTables[aws.ToString(rt.RouteTableId)] = rt
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}
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}
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return routeTables, nil
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}
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func ListRouteTables(cloud fi.Cloud, vpcID, clusterName string) ([]*resources.Resource, error) {
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routeTables, err := DescribeRouteTables(cloud, clusterName)
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if err != nil {
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return nil, err
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}
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var resourceTrackers []*resources.Resource
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for _, rt := range routeTables {
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resourceTracker := buildTrackerForRouteTable(rt, clusterName)
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resourceTrackers = append(resourceTrackers, resourceTracker)
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}
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return resourceTrackers, nil
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}
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func dumpRouteTable(op *resources.DumpOperation, r *resources.Resource) error {
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data := make(map[string]interface{})
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data["id"] = r.ID
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data["type"] = r.Type
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data["raw"] = r.Obj
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op.Dump.Resources = append(op.Dump.Resources, data)
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return nil
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}
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func buildTrackerForRouteTable(rt ec2types.RouteTable, clusterName string) *resources.Resource {
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resourceTracker := &resources.Resource{
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Name: FindName(rt.Tags),
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ID: aws.ToString(rt.RouteTableId),
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Type: string(ec2types.ResourceTypeRouteTable),
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Obj: rt,
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Dumper: dumpRouteTable,
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Deleter: DeleteRouteTable,
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Shared: !HasOwnedTag(string(ec2types.ResourceTypeRouteTable)+":"+*rt.RouteTableId, rt.Tags, clusterName),
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}
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var blocks []string
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var blocked []string
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blocks = append(blocks, "vpc:"+aws.ToString(rt.VpcId))
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for _, a := range rt.Associations {
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blocked = append(blocked, "subnet:"+aws.ToString(a.SubnetId))
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}
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resourceTracker.Blocks = blocks
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resourceTracker.Blocked = blocked
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return resourceTracker
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}
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