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e2ede285a2
* refactor: move from io/ioutil to io and os packages * use fs.DirEntry instead of os.FileInfo after os.ReadDir Signed-off-by: MOREL Matthieu <matthieu.morel@cnp.fr>
120 lines
3.2 KiB
Go
120 lines
3.2 KiB
Go
// Copyright 2020 The Prometheus Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package moby
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import (
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"crypto/sha1"
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"encoding/base64"
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"net/http"
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"net/http/httptest"
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"os"
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"path/filepath"
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"strings"
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"testing"
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"github.com/stretchr/testify/require"
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"gopkg.in/yaml.v2"
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"github.com/prometheus/prometheus/util/strutil"
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)
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// SDMock is the interface for the DigitalOcean mock
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type SDMock struct {
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t *testing.T
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Server *httptest.Server
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Mux *http.ServeMux
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directory string
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calls map[string]int
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}
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// NewSDMock returns a new SDMock.
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func NewSDMock(t *testing.T, directory string) *SDMock {
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return &SDMock{
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t: t,
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directory: directory,
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calls: make(map[string]int),
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}
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}
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// Endpoint returns the URI to the mock server
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func (m *SDMock) Endpoint() string {
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return m.Server.URL + "/"
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}
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// Setup creates the mock server
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func (m *SDMock) Setup() {
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m.Mux = http.NewServeMux()
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m.Server = httptest.NewServer(m.Mux)
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m.t.Cleanup(m.Server.Close)
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m.SetupHandlers()
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}
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// HandleNodesList mocks nodes list.
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func (m *SDMock) SetupHandlers() {
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headers := make(map[string]string)
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rawHeaders, err := os.ReadFile(filepath.Join("testdata", m.directory, "headers.yml"))
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require.NoError(m.t, err)
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yaml.Unmarshal(rawHeaders, &headers)
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prefix := "/"
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if v, ok := headers["Api-Version"]; ok {
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prefix += "v" + v + "/"
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}
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for _, path := range []string{"_ping", "networks/", "services/", "nodes/", "nodes", "services", "tasks", "containers/"} {
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p := path
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handler := prefix + p
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if p == "_ping" {
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handler = "/" + p
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}
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m.Mux.HandleFunc(handler, func(w http.ResponseWriter, r *http.Request) {
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// The discovery should only call each API endpoint once.
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m.calls[r.RequestURI]++
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if m.calls[r.RequestURI] != 1 {
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w.WriteHeader(http.StatusTooManyRequests)
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return
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}
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for k, v := range headers {
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w.Header().Add(k, v)
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}
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parts := strings.Split(r.RequestURI, "/")
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var f string
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if strings.HasSuffix(p, "/") {
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f = filepath.Join(p[:len(p)-1], strutil.SanitizeLabelName(parts[len(parts)-1]))
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} else {
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query := strings.Split(parts[len(parts)-1], "?")
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f = query[0] + ".json"
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if len(query) == 2 {
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h := sha1.New()
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h.Write([]byte(query[1]))
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// Avoing long filenames for Windows.
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f += "__" + base64.URLEncoding.EncodeToString(h.Sum(nil))[:10]
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}
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}
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if response, err := os.ReadFile(filepath.Join("testdata", m.directory, f+".json")); err == nil {
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w.Header().Add("content-type", "application/json")
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w.WriteHeader(http.StatusOK)
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w.Write(response)
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return
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}
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if response, err := os.ReadFile(filepath.Join("testdata", m.directory, f)); err == nil {
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w.WriteHeader(http.StatusOK)
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w.Write(response)
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return
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}
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w.WriteHeader(http.StatusInternalServerError)
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})
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}
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}
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