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kubernetes_cluster.go
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kubernetes_cluster.go
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// Copyright 2019 The Terraformer Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package digitalocean
import (
"context"
"github.com/GoogleCloudPlatform/terraformer/terraformutils"
"github.com/digitalocean/godo"
)
// the default node pool has a custom tag added by terraform
const digitaloceanKubernetesDefaultNodePoolTag = "terraform:default-node-pool"
type KubernetesClusterGenerator struct {
DigitalOceanService
}
func (g *KubernetesClusterGenerator) loadKubernetesClusters(ctx context.Context, client *godo.Client) ([]*godo.KubernetesCluster, error) {
list := []*godo.KubernetesCluster{}
// create options. initially, these will be blank
opt := &godo.ListOptions{}
for {
clusters, resp, err := client.Kubernetes.List(ctx, opt)
if err != nil {
return nil, err
}
for _, cluster := range clusters {
g.Resources = append(g.Resources, terraformutils.NewSimpleResource(
cluster.ID,
cluster.Name,
"digitalocean_kubernetes_cluster",
"digitalocean",
[]string{}))
list = append(list, cluster)
}
// if we are at the last page, break out the for loop
if resp.Links == nil || resp.Links.IsLastPage() {
break
}
page, err := resp.Links.CurrentPage()
if err != nil {
return nil, err
}
// set the page we want for the next request
opt.Page = page + 1
}
return list, nil
}
func (g *KubernetesClusterGenerator) loadKubernetesNodePools(cluster *godo.KubernetesCluster) {
for _, nodePool := range cluster.NodePools {
isDefaultPool := false
for _, tag := range nodePool.Tags {
if tag == digitaloceanKubernetesDefaultNodePoolTag {
isDefaultPool = true
break
}
}
// skip default node pool since it is included in the digitalocean_kubernetes_cluster resource
if !isDefaultPool {
g.Resources = append(g.Resources, terraformutils.NewResource(
nodePool.ID,
nodePool.Name,
"digitalocean_kubernetes_node_pool",
"digitalocean",
map[string]string{"cluster_id": cluster.ID},
[]string{},
map[string]interface{}{}))
}
}
}
func (g *KubernetesClusterGenerator) InitResources() error {
client := g.generateClient()
clusters, err := g.loadKubernetesClusters(context.TODO(), client)
if err != nil {
return err
}
for _, cluster := range clusters {
g.loadKubernetesNodePools(cluster)
}
return nil
}