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package netbox
import (
"bytes"
"context"
"encoding/json"
"fmt"
"net/http"
"net/url"
)
// NetboxHttpClient is an HTTP client for the Netbox API. It is very
// low-level and should not be consumed by most clients. Instead use a
// client implementing NetboxClient.
type NetboxHttpClient struct {
ApiKey string
Endpoint url.URL
}
func MustNewNetboxHttpClient(apiKey, endpoint string) *NetboxHttpClient {
u, err := url.Parse(endpoint)
if err != nil {
panic(err)
}
return &NetboxHttpClient{apiKey, *u}
}
func (c *NetboxHttpClient) Do(ctx context.Context, r NetboxRequest, out any) error {
u := c.Endpoint // Store a local copy, requests may mutate it
req, err := r.BuildRequest(ctx, &u)
if err != nil {
return err
}
req.Header.Add("Authorization", fmt.Sprintf("Token %s", c.ApiKey))
res, err := http.DefaultClient.Do(req)
if err != nil {
return err
}
defer res.Body.Close()
if res.StatusCode != http.StatusOK {
apiError := &ApiError{Status: res.StatusCode}
if err = json.NewDecoder(res.Body).Decode(apiError); err != nil {
return fmt.Errorf("Netbox JSON decode error while parsing error with status %d: %w", res.StatusCode, err)
}
return apiError
}
if out != nil {
return json.NewDecoder(res.Body).Decode(out)
}
return nil
}
type NetboxRequest interface {
BuildRequest(context.Context, *url.URL) (*http.Request, error)
}
type NetboxGraphQLRequest struct {
Query string
}
var _ NetboxRequest = (*NetboxGraphQLRequest)(nil)
func (r *NetboxGraphQLRequest) BuildRequest(ctx context.Context, host *url.URL) (*http.Request, error) {
q, err := json.Marshal(map[string]string{"query": r.Query})
if err != nil {
return nil, err
}
host.Path = "/graphql/"
req, err := http.NewRequestWithContext(
ctx,
http.MethodPost,
host.String(),
bytes.NewBuffer(q),
)
if err != nil {
return nil, err
}
req.Header.Add("Content-Type", "application/json")
req.Header.Add("Accept", "application/json")
return req, nil
}
type NetboxGetRequest struct {
url.Values
Path string
}
var _ NetboxRequest = (*NetboxGetRequest)(nil)
func NewNetboxGetRequest(path string) *NetboxGetRequest {
return &NetboxGetRequest{url.Values{}, path}
}
func (r *NetboxGetRequest) BuildRequest(ctx context.Context, host *url.URL) (*http.Request, error) {
host.Path = r.Path
host.RawQuery = r.Encode()
req, err := http.NewRequestWithContext(
ctx,
http.MethodGet,
host.String(),
nil,
)
if err != nil {
return nil, err
}
req.Header.Add("Accept", "application/json")
return req, nil
}
type NetboxRawGet struct {
Url string
}
var _ NetboxRequest = (*NetboxRawGet)(nil)
func (r *NetboxRawGet) BuildRequest(ctx context.Context, host *url.URL) (*http.Request, error) {
req, err := http.NewRequestWithContext(
ctx,
http.MethodGet,
r.Url,
nil,
)
if err != nil {
return nil, err
}
req.Header.Add("Accept", "application/json")
return req, nil
}
type NetboxJsonRequest struct {
Path string
Method string
Body any
}
var _ NetboxRequest = (*NetboxJsonRequest)(nil)
func (r *NetboxJsonRequest) BuildRequest(ctx context.Context, host *url.URL) (*http.Request, error) {
host.Path = r.Path
body, err := json.Marshal(r.Body)
if err != nil {
return nil, err
}
req, err := http.NewRequestWithContext(
ctx,
r.Method,
host.String(),
bytes.NewBuffer(body),
)
if err != nil {
return nil, err
}
req.Header.Add("Content-Type", "application/json")
req.Header.Add("Accept", "application/json")
return req, nil
}
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