mirror of https://github.com/hashicorp/consul
179 lines
5.0 KiB
Markdown
179 lines
5.0 KiB
Markdown
# linodego
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[](https://travis-ci.org/linode/linodego)
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[](https://godoc.org/github.com/linode/linodego)
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[](https://goreportcard.com/report/github.com/linode/linodego)
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[](https://codecov.io/gh/linode/linodego)
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Go client for [Linode REST v4 API](https://developers.linode.com/api/v4)
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## Installation
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```sh
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go get -u github.com/linode/linodego
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```
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## API Support
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Check [API_SUPPORT.md](API_SUPPORT.md) for current support of the Linode `v4` API endpoints.
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** Note: This project will change and break until we release a v1.0.0 tagged version. Breaking changes in v0.x.x will be denoted with a minor version bump (v0.2.4 -> v0.3.0) **
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## Documentation
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See [godoc](https://godoc.org/github.com/linode/linodego) for a complete reference.
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The API generally follows the naming patterns prescribed in the [OpenAPIv3 document for Linode APIv4](https://developers.linode.com/api/v4).
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Deviations in naming have been made to avoid using "Linode" and "Instance" redundantly or inconsistently.
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A brief summary of the features offered in this API client are shown here.
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## Examples
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### General Usage
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```go
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package main
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import (
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"context"
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"fmt"
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"github.com/linode/linodego"
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"golang.org/x/oauth2"
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"log"
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"net/http"
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"os"
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)
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func main() {
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apiKey, ok := os.LookupEnv("LINODE_TOKEN")
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if !ok {
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log.Fatal("Could not find LINODE_TOKEN, please assert it is set.")
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}
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tokenSource := oauth2.StaticTokenSource(&oauth2.Token{AccessToken: apiKey})
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oauth2Client := &http.Client{
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Transport: &oauth2.Transport{
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Source: tokenSource,
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},
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}
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linodeClient := linodego.NewClient(oauth2Client)
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linodeClient.SetDebug(true)
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res, err := linodeClient.GetInstance(context.Background(), 4090913)
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if err != nil {
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log.Fatal(err)
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}
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fmt.Printf("%v", res)
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}
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```
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### Pagination
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#### Auto-Pagination Requests
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```go
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kernels, err := linodego.ListKernels(context.Background(), nil)
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// len(kernels) == 218
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```
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Or, use a page value of "0":
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```go
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opts := NewListOptions(0,"")
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kernels, err := linodego.ListKernels(context.Background(), opts)
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// len(kernels) == 218
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```
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#### Single Page
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```go
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opts := NewListOptions(2,"")
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// or opts := ListOptions{PageOptions: &PageOptions: {Page: 2 }}
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kernels, err := linodego.ListKernels(context.Background(), opts)
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// len(kernels) == 100
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```
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ListOptions are supplied as a pointer because the Pages and Results
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values are set in the supplied ListOptions.
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```go
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// opts.Results == 218
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```
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#### Filtering
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```go
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opts := ListOptions{Filter: "{\"mine\":true}"}
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// or opts := NewListOptions(0, "{\"mine\":true}")
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stackscripts, err := linodego.ListStackscripts(context.Background(), opts)
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```
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### Error Handling
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#### Getting Single Entities
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```go
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linode, err := linodego.GetLinode(context.Background(), 555) // any Linode ID that does not exist or is not yours
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// linode == nil: true
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// err.Error() == "[404] Not Found"
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// err.Code == "404"
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// err.Message == "Not Found"
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```
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#### Lists
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For lists, the list is still returned as `[]`, but `err` works the same way as on the `Get` request.
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```go
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linodes, err := linodego.ListLinodes(context.Background(), NewListOptions(0, "{\"foo\":bar}"))
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// linodes == []
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// err.Error() == "[400] [X-Filter] Cannot filter on foo"
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```
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Otherwise sane requests beyond the last page do not trigger an error, just an empty result:
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```go
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linodes, err := linodego.ListLinodes(context.Background(), NewListOptions(9999, ""))
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// linodes == []
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// err = nil
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```
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### Writes
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When performing a `POST` or `PUT` request, multiple field related errors will be returned as a single error, currently like:
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```go
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// err.Error() == "[400] [field1] foo problem; [field2] bar problem; [field3] baz problem"
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```
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## Tests
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Run `make test` to run the unit tests. This is the same as running `go test` except that `make test` will
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execute the tests while playing back API response fixtures that were recorded during a previous development build.
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`go test` can be used without the fixtures. Copy `env.sample` to `.env` and configure your persistent test
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settings, including an API token.
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`go test -short` can be used to run live API tests that do not require an account token.
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This will be simplified in future versions.
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To update the test fixtures, run `make fixtures`. This will record the API responses into the `fixtures/` directory.
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Be careful about committing any sensitive account details. An attempt has been made to sanitize IP addresses and
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dates, but no automated sanitization will be performed against `fixtures/*Account*.yaml`, for example.
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To prevent disrupting unaffected fixtures, target fixture generation like so: `make ARGS="-run TestListVolumes" fixtures`.
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## Discussion / Help
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Join us at [#linodego](https://gophers.slack.com/messages/CAG93EB2S) on the [gophers slack](https://gophers.slack.com)
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## License
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[MIT License](LICENSE)
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