74 lines
1.6 KiB
Go
74 lines
1.6 KiB
Go
package main
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import (
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"encoding/json"
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"fmt"
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"log"
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"net/http"
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"io/ioutil"
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"gopkg.in/yaml.v3"
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)
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type ApiConfig struct {
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Version string `yaml:"version"`
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Project string `yaml:"project"`
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Endpoints []Endpoint `yaml:"endpoints"`
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}
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type Endpoint struct {
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Path string `yaml:"path"`
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Method string `yaml:"method"`
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CobolSource string `yaml:"cobol_source"`
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Procedure string `yaml:"procedure"`
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Arguments []Argument `yaml:"arguments"`
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ResponseCopybook string `yaml:"response_copybook"`
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}
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type Argument struct {
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Name string `yaml:"name"`
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Target string `yaml:"target"`
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Type string `yaml:"type"`
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Source string `yaml:"source"`
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}
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func readConf(filename string) (*ApiConfig, error) {
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buf, err := ioutil.ReadFile(filename)
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if err != nil {
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return nil, err
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}
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c := &ApiConfig{}
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err = yaml.Unmarshal(buf, c)
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if err != nil {
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return nil, fmt.Errorf("in file %q: %w", filename, err)
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}
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return c, err
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}
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func projectHandler(w http.ResponseWriter, r *http.Request) {
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if r.Method != http.MethodGet {
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http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
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return
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}
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w.Header().Set("Content-Type", "application/json")
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api, err := readConf("api.yaml")
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if err != nil {
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log.Fatal(err)
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}
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response := map[string]string{"project": api.Project}
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json.NewEncoder(w).Encode(response)
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}
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func main() {
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http.HandleFunc("/project", projectHandler)
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port := ":8080"
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fmt.Printf("Server starting on port %s...\n", port)
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if err := http.ListenAndServe(port, nil); err != nil {
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log.Fatalf("Server failed to start: %v", err)
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}
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} |