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// SPDX-License-Identifier: GPL-3.0-or-later
package client
import (
"encoding/json"
"fmt"
"io"
"net/http"
)
// MockScaleIOAPIServer represents VxFlex OS Gateway.
type MockScaleIOAPIServer struct {
User string
Password string
Token string
Version string
Instances Instances
Statistics SelectedStatistics
}
func (s MockScaleIOAPIServer) ServeHTTP(w http.ResponseWriter, r *http.Request) {
switch r.URL.Path {
default:
w.WriteHeader(http.StatusNotFound)
msg := fmt.Sprintf("unknown URL path: %s", r.URL.Path)
writeAPIError(w, msg)
case "/api/login":
s.handleLogin(w, r)
case "/api/logout":
s.handleLogout(w, r)
case "/api/version":
s.handleVersion(w, r)
case "/api/instances":
s.handleInstances(w, r)
case "/api/instances/querySelectedStatistics":
s.handleQuerySelectedStatistics(w, r)
}
}
func (s MockScaleIOAPIServer) handleLogin(w http.ResponseWriter, r *http.Request) {
if user, pass, ok := r.BasicAuth(); !ok || user != s.User || pass != s.Password {
w.WriteHeader(http.StatusUnauthorized)
msg := fmt.Sprintf("user got/expected: %s/%s, pass got/expected: %s/%s", user, s.User, pass, s.Password)
writeAPIError(w, msg)
return
}
if r.Method != http.MethodGet {
w.WriteHeader(http.StatusBadRequest)
msg := fmt.Sprintf("wrong method: '%s', expected '%s'", r.Method, http.MethodGet)
writeAPIError(w, msg)
return
}
_, _ = w.Write([]byte(s.Token))
}
func (s MockScaleIOAPIServer) handleLogout(w http.ResponseWriter, r *http.Request) {
if _, pass, ok := r.BasicAuth(); !ok || pass != s.Token {
w.WriteHeader(http.StatusUnauthorized)
msg := fmt.Sprintf("token got/expected: %s/%s", pass, s.Token)
writeAPIError(w, msg)
return
}
if r.Method != http.MethodGet {
w.WriteHeader(http.StatusBadRequest)
msg := fmt.Sprintf("wrong method: '%s', expected '%s'", r.Method, http.MethodGet)
writeAPIError(w, msg)
return
}
}
func (s MockScaleIOAPIServer) handleVersion(w http.ResponseWriter, r *http.Request) {
if _, pass, ok := r.BasicAuth(); !ok || pass != s.Token {
w.WriteHeader(http.StatusUnauthorized)
msg := fmt.Sprintf("token got/expected: %s/%s", pass, s.Token)
writeAPIError(w, msg)
return
}
if r.Method != http.MethodGet {
w.WriteHeader(http.StatusBadRequest)
msg := fmt.Sprintf("wrong method: '%s', expected '%s'", r.Method, http.MethodGet)
writeAPIError(w, msg)
return
}
_, _ = w.Write([]byte(s.Version))
}
func (s MockScaleIOAPIServer) handleInstances(w http.ResponseWriter, r *http.Request) {
if _, pass, ok := r.BasicAuth(); !ok || pass != s.Token {
w.WriteHeader(http.StatusUnauthorized)
msg := fmt.Sprintf("token got/expected: %s/%s", pass, s.Token)
writeAPIError(w, msg)
return
}
if r.Method != http.MethodGet {
w.WriteHeader(http.StatusBadRequest)
msg := fmt.Sprintf("wrong method: '%s', expected '%s'", r.Method, http.MethodGet)
writeAPIError(w, msg)
return
}
b, err := json.Marshal(s.Instances)
if err != nil {
w.WriteHeader(http.StatusInternalServerError)
msg := fmt.Sprintf("marshal Instances: %v", err)
writeAPIError(w, msg)
return
}
_, _ = w.Write(b)
}
func (s MockScaleIOAPIServer) handleQuerySelectedStatistics(w http.ResponseWriter, r *http.Request) {
if _, pass, ok := r.BasicAuth(); !ok || pass != s.Token {
w.WriteHeader(http.StatusUnauthorized)
msg := fmt.Sprintf("token got/expected: %s/%s", pass, s.Token)
writeAPIError(w, msg)
return
}
if r.Method != http.MethodPost {
w.WriteHeader(http.StatusBadRequest)
msg := fmt.Sprintf("wrong method: '%s', expected '%s'", r.Method, http.MethodPost)
writeAPIError(w, msg)
return
}
if r.Header.Get("Content-Type") != "application/json" {
w.WriteHeader(http.StatusBadRequest)
writeAPIError(w, "no \"Content-Type: application/json\" in the header")
return
}
if err := json.NewDecoder(r.Body).Decode(&SelectedStatisticsQuery{}); err != nil {
w.WriteHeader(http.StatusBadRequest)
msg := fmt.Sprintf("body decode error: %v", err)
writeAPIError(w, msg)
return
}
b, err := json.Marshal(s.Statistics)
if err != nil {
w.WriteHeader(http.StatusInternalServerError)
msg := fmt.Sprintf("marshal SelectedStatistics: %v", err)
writeAPIError(w, msg)
return
}
_, _ = w.Write(b)
}
func writeAPIError(w io.Writer, msg string) {
err := apiError{Message: msg}
b, _ := json.Marshal(err)
_, _ = w.Write(b)
}
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