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a97254fa20
This PR adds the common OSS changes for adding support for Consul Namespaces, which is going to be a Nomad Enterprise feature. There is no new functionality provided by this changeset and hopefully no new bugs.
43 lines
1.2 KiB
Go
43 lines
1.2 KiB
Go
package consul
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import (
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"sort"
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"strings"
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)
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// NamespacesClient is a wrapper for the Consul NamespacesAPI, that is used to
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// deal with Consul OSS vs Consul Enterprise behavior in listing namespaces.
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type NamespacesClient struct {
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namespacesAPI NamespaceAPI
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}
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// NewNamespacesClient returns a NamespacesClient backed by a NamespaceAPI.
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func NewNamespacesClient(namespacesAPI NamespaceAPI) *NamespacesClient {
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return &NamespacesClient{
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namespacesAPI: namespacesAPI,
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}
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}
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// List returns a list of Consul Namespaces.
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//
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// If using Consul OSS, the list is a single element with the "default" namespace,
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// even though the response from Consul OSS is an error.
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func (ns *NamespacesClient) List() ([]string, error) {
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namespaces, _, err := ns.namespacesAPI.List(nil)
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if err != nil {
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// check if the error was a 404, indicating Consul is the OSS version
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// which does not have the /v1/namespace handler
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if strings.Contains(err.Error(), "response code: 404") {
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return []string{"default"}, nil
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}
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return nil, err
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}
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result := make([]string, 0, len(namespaces))
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for _, namespace := range namespaces {
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result = append(result, namespace.Name)
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}
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sort.Strings(result)
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return result, nil
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}
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