| 1 | // SPDX-License-Identifier: GPL-3.0-or-later |
| 2 | |
| 3 | package client |
| 4 | |
| 5 | import ( |
| 6 | "encoding/json" |
| 7 | "fmt" |
| 8 | "io" |
| 9 | "net/http" |
| 10 | ) |
| 11 | |
| 12 | // MockScaleIOAPIServer represents VxFlex OS Gateway. |
| 13 | type MockScaleIOAPIServer struct { |
| 14 | User string |
| 15 | Password string |
| 16 | Token string |
| 17 | Version string |
| 18 | Instances Instances |
| 19 | Statistics SelectedStatistics |
| 20 | } |
| 21 | |
| 22 | func (s MockScaleIOAPIServer) ServeHTTP(w http.ResponseWriter, r *http.Request) { |
| 23 | switch r.URL.Path { |
| 24 | default: |
| 25 | w.WriteHeader(http.StatusNotFound) |
| 26 | msg := fmt.Sprintf("unknown URL path: %s", r.URL.Path) |
| 27 | writeAPIError(w, msg) |
| 28 | case "/api/login": |
| 29 | s.handleLogin(w, r) |
| 30 | case "/api/logout": |
| 31 | s.handleLogout(w, r) |
| 32 | case "/api/version": |
| 33 | s.handleVersion(w, r) |
| 34 | case "/api/instances": |
| 35 | s.handleInstances(w, r) |
| 36 | case "/api/instances/querySelectedStatistics": |
| 37 | s.handleQuerySelectedStatistics(w, r) |
| 38 | } |
| 39 | } |
| 40 | |
| 41 | func (s MockScaleIOAPIServer) handleLogin(w http.ResponseWriter, r *http.Request) { |
| 42 | if user, pass, ok := r.BasicAuth(); !ok || user != s.User || pass != s.Password { |
| 43 | w.WriteHeader(http.StatusUnauthorized) |
| 44 | msg := fmt.Sprintf("user got/expected: %s/%s, pass got/expected: %s/%s", user, s.User, pass, s.Password) |
| 45 | writeAPIError(w, msg) |
| 46 | return |
| 47 | } |
| 48 | if r.Method != http.MethodGet { |
| 49 | w.WriteHeader(http.StatusBadRequest) |
| 50 | msg := fmt.Sprintf("wrong method: '%s', expected '%s'", r.Method, http.MethodGet) |
| 51 | writeAPIError(w, msg) |
| 52 | return |
| 53 | } |
| 54 | _, _ = w.Write([]byte(s.Token)) |
| 55 | } |
| 56 | |
| 57 | func (s MockScaleIOAPIServer) handleLogout(w http.ResponseWriter, r *http.Request) { |
| 58 | if _, pass, ok := r.BasicAuth(); !ok || pass != s.Token { |
| 59 | w.WriteHeader(http.StatusUnauthorized) |
| 60 | msg := fmt.Sprintf("token got/expected: %s/%s", pass, s.Token) |
| 61 | writeAPIError(w, msg) |
| 62 | return |
| 63 | } |
| 64 | if r.Method != http.MethodGet { |
| 65 | w.WriteHeader(http.StatusBadRequest) |
| 66 | msg := fmt.Sprintf("wrong method: '%s', expected '%s'", r.Method, http.MethodGet) |
| 67 | writeAPIError(w, msg) |
| 68 | return |
| 69 | } |
| 70 | } |
| 71 | |
| 72 | func (s MockScaleIOAPIServer) handleVersion(w http.ResponseWriter, r *http.Request) { |
| 73 | if _, pass, ok := r.BasicAuth(); !ok || pass != s.Token { |
| 74 | w.WriteHeader(http.StatusUnauthorized) |
| 75 | msg := fmt.Sprintf("token got/expected: %s/%s", pass, s.Token) |
| 76 | writeAPIError(w, msg) |
| 77 | return |
| 78 | } |
| 79 | if r.Method != http.MethodGet { |
| 80 | w.WriteHeader(http.StatusBadRequest) |
| 81 | msg := fmt.Sprintf("wrong method: '%s', expected '%s'", r.Method, http.MethodGet) |
| 82 | writeAPIError(w, msg) |
| 83 | return |
| 84 | } |
| 85 | _, _ = w.Write([]byte(s.Version)) |
| 86 | } |
| 87 | |
| 88 | func (s MockScaleIOAPIServer) handleInstances(w http.ResponseWriter, r *http.Request) { |
| 89 | if _, pass, ok := r.BasicAuth(); !ok || pass != s.Token { |
| 90 | w.WriteHeader(http.StatusUnauthorized) |
| 91 | msg := fmt.Sprintf("token got/expected: %s/%s", pass, s.Token) |
| 92 | writeAPIError(w, msg) |
| 93 | return |
| 94 | } |
| 95 | if r.Method != http.MethodGet { |
| 96 | w.WriteHeader(http.StatusBadRequest) |
| 97 | msg := fmt.Sprintf("wrong method: '%s', expected '%s'", r.Method, http.MethodGet) |
| 98 | writeAPIError(w, msg) |
| 99 | return |
| 100 | } |
| 101 | b, err := json.Marshal(s.Instances) |
| 102 | if err != nil { |
| 103 | w.WriteHeader(http.StatusInternalServerError) |
| 104 | msg := fmt.Sprintf("marshal Instances: %v", err) |
| 105 | writeAPIError(w, msg) |
| 106 | return |
| 107 | } |
| 108 | _, _ = w.Write(b) |
| 109 | } |
| 110 | |
| 111 | func (s MockScaleIOAPIServer) handleQuerySelectedStatistics(w http.ResponseWriter, r *http.Request) { |
| 112 | if _, pass, ok := r.BasicAuth(); !ok || pass != s.Token { |
| 113 | w.WriteHeader(http.StatusUnauthorized) |
| 114 | msg := fmt.Sprintf("token got/expected: %s/%s", pass, s.Token) |
| 115 | writeAPIError(w, msg) |
| 116 | return |
| 117 | } |
| 118 | if r.Method != http.MethodPost { |
| 119 | w.WriteHeader(http.StatusBadRequest) |
| 120 | msg := fmt.Sprintf("wrong method: '%s', expected '%s'", r.Method, http.MethodPost) |
| 121 | writeAPIError(w, msg) |
| 122 | return |
| 123 | } |
| 124 | if r.Header.Get("Content-Type") != "application/json" { |
| 125 | w.WriteHeader(http.StatusBadRequest) |
| 126 | writeAPIError(w, "no \"Content-Type: application/json\" in the header") |
| 127 | return |
| 128 | } |
| 129 | if err := json.NewDecoder(r.Body).Decode(&SelectedStatisticsQuery{}); err != nil { |
| 130 | w.WriteHeader(http.StatusBadRequest) |
| 131 | msg := fmt.Sprintf("body decode error: %v", err) |
| 132 | writeAPIError(w, msg) |
| 133 | return |
| 134 | } |
| 135 | b, err := json.Marshal(s.Statistics) |
| 136 | if err != nil { |
| 137 | w.WriteHeader(http.StatusInternalServerError) |
| 138 | msg := fmt.Sprintf("marshal SelectedStatistics: %v", err) |
| 139 | writeAPIError(w, msg) |
| 140 | return |
| 141 | } |
| 142 | _, _ = w.Write(b) |
| 143 | } |
| 144 | |
| 145 | func writeAPIError(w io.Writer, msg string) { |
| 146 | err := apiError{Message: msg} |
| 147 | b, _ := json.Marshal(err) |
| 148 | _, _ = w.Write(b) |
| 149 | } |