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Move YAML decode logic into provider and improve default Helm namespa…
…ces (#952) Reintroduce the reverted changed (#941) from #925 and #934 with a few additional fixes related to the changes in #946. The major changes include the following: - Use a runtime invoke to call a common decodeYaml method in the provider rather than using YAML libraries specific to each language. - Use the namespace parameter of helm.v2.Chart as a default, and set it on known namespace-scoped resources.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,73 @@ | ||
| // Copyright 2016-2019, Pulumi Corporation. | ||
| // | ||
| // 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. | ||
|
|
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| package provider | ||
|
|
||
| import ( | ||
| "io" | ||
| "io/ioutil" | ||
| "strings" | ||
|
|
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| "github.com/pulumi/pulumi-kubernetes/pkg/clients" | ||
| "k8s.io/apimachinery/pkg/apis/meta/v1/unstructured" | ||
| "k8s.io/apimachinery/pkg/util/yaml" | ||
| ) | ||
|
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| // decodeYaml parses a YAML string, and then returns a slice of untyped structs that can be marshalled into | ||
| // Pulumi RPC calls. If a default namespace is specified, set that on the relevant decoded objects. | ||
| func decodeYaml(text, defaultNamespace string, clientSet *clients.DynamicClientSet) ([]interface{}, error) { | ||
| var resources []unstructured.Unstructured | ||
|
|
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| dec := yaml.NewYAMLOrJSONDecoder(ioutil.NopCloser(strings.NewReader(text)), 128) | ||
| for { | ||
| var value map[string]interface{} | ||
| if err := dec.Decode(&value); err != nil { | ||
| if err == io.EOF { | ||
| break | ||
| } | ||
| return nil, err | ||
| } | ||
| resource := unstructured.Unstructured{Object: value} | ||
|
|
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| // Sometimes manifests include empty resources, so skip these. | ||
| if len(resource.GetKind()) == 0 || len(resource.GetAPIVersion()) == 0 { | ||
| continue | ||
| } | ||
|
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| if len(defaultNamespace) > 0 { | ||
| namespaced, err := clients.IsNamespacedKind(resource.GroupVersionKind(), clientSet) | ||
| if err != nil { | ||
| if clients.IsNoNamespaceInfoErr(err) { | ||
| // Assume resource is namespaced. | ||
| namespaced = true | ||
| } else { | ||
| return nil, err | ||
| } | ||
| } | ||
|
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| // Set namespace if resource Kind is namespaced and namespace is not already set. | ||
| if namespaced && len(resource.GetNamespace()) == 0 { | ||
| resource.SetNamespace(defaultNamespace) | ||
| } | ||
| } | ||
| resources = append(resources, resource) | ||
| } | ||
|
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| result := make([]interface{}, len(resources)) | ||
| for _, resource := range resources { | ||
| result = append(result, resource.Object) | ||
| } | ||
|
|
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| return result, nil | ||
| } |
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