/
rp.go
76 lines (62 loc) · 2 KB
/
rp.go
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package aci
import (
"context"
"encoding/json"
"errors"
"fmt"
"net/http"
"net/url"
"github.com/virtual-kubelet/azure-aci/client/api"
)
const (
resourceProviderURLPath = "providers/Microsoft.ContainerInstance"
resourceProviderAPIVersion = "2018-02-01"
)
// GetResourceProviderMetadata gets the ACI resource provider metadata
func (c *Client) GetResourceProviderMetadata(ctx context.Context) (*ResourceProviderMetadata, error) {
manifest, err := c.getResourceProviderManifest(ctx)
if err != nil {
return nil, err
}
if manifest == nil {
return nil, fmt.Errorf("The resource provider manifest is empty")
}
if manifest.Metadata == nil {
return nil, fmt.Errorf("The resource provider metadata is empty")
}
return manifest.Metadata, nil
}
func (c *Client) getResourceProviderManifest(ctx context.Context) (*ResourceProviderManifest, error) {
urlParams := url.Values{
"api-version": []string{resourceProviderAPIVersion},
"$expand": []string{"metadata"},
}
// Create the url.
uri := api.ResolveRelative(c.auth.ResourceManagerEndpoint, resourceProviderURLPath)
uri += "?" + url.Values(urlParams).Encode()
// Create the request.
req, err := http.NewRequest("GET", uri, nil)
if err != nil {
return nil, fmt.Errorf("Creating get resource provider manifest request failed: %v", err)
}
req = req.WithContext(ctx)
// Send the request.
resp, err := c.hc.Do(req)
if err != nil {
return nil, fmt.Errorf("Sending get resource provider manifest request failed: %v", err)
}
defer resp.Body.Close()
// 200 (OK) is a success response.
if err := api.CheckResponse(resp); err != nil {
return nil, err
}
// Decode the body from the response.
if resp.Body == nil {
return nil, errors.New("Get resource provider manifest returned an empty body in the response")
}
var manifest ResourceProviderManifest
if err := json.NewDecoder(resp.Body).Decode(&manifest); err != nil {
return nil, fmt.Errorf("Decoding get resource provider manifest response body failed: %v", err)
}
return &manifest, nil
}