105 lines
2.7 KiB
Go
105 lines
2.7 KiB
Go
package edgeapps
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import (
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"fmt"
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"io/ioutil"
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"log"
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"os"
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"gopkg.in/yaml.v2"
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)
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// EdgeApp : Struct representing an EdgeApp in the system
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type EdgeApp struct {
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ID string `json:"id"`
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Name string `json:"name"`
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Status EdgeAppStatus `json:"status"`
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Services []EdgeAppService `json:"services"`
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NetworkURL []string `json:"network_url"`
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}
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// EdgeAppStatus : Struct representing possible EdgeApp statuses (code + description)
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type EdgeAppStatus struct {
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ID int `json:"id"`
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Description string `json:"description"`
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}
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// EdgeAppService : Struct representing a single container that can be part of an EdgeApp package
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type EdgeAppService struct {
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ID string `json:"id"`
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Name string `json:"name"`
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Isrunning bool `json:"is_running"`
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}
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// GetEdgeApps : Returns a list of EdgeApp struct filled with information
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func GetEdgeApps() string { // []EdgeApp {
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// var edgeApps []EdgeApp
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// Building list of available edgeapps in the system.
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configFilename := "edgebox-compose.yml"
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edgeAppsPath := "/home/system/components/apps"
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files, err := ioutil.ReadDir(edgeAppsPath)
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if err != nil {
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log.Fatal(err)
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}
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for _, f := range files {
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fmt.Println(f.Name())
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if f.IsDir() {
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// It is a folder that most probably contains an EdgeApp.
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// To be fully sure, test that edgebox-compose.yml file exists in the target directory.
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_, err := os.Stat("/home/system/components/apps/" + f.Name() + "/" + configFilename)
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if !os.IsNotExist(err) {
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// File exists. Start digging!
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// edgeApp := EdgeApp{ID: f.Name(), Status: GetEdgeAppStatus(f.Name())}
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// edgeApps = append(edgeApps, edgeApp)
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GetEdgeAppServices(f.Name())
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}
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}
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}
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// Querying to see which apps are running.
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// cmdargs = []string{"ps", "-a"}
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// executeCommand("docker", cmdargs)
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// (...)
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// return edgeApps
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return "OK"
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}
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// GetEdgeAppStatus : Returns a struct representing the current status of the EdgeApp
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// func GetEdgeAppStatus(ID string) EdgeAppStatus {
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// // Possible states of an EdgeApp:
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// // - All services running = EdgeApp running
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// // - Some services running = Problem detected, needs restart
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// // - No service running = EdgeApp is off
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// services := GetEdgeAppServices(ID)
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// return status
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// }
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// GetEdgeAppServices : Returns a
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func GetEdgeAppServices(ID string) string {
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data, err := ioutil.ReadFile("/home/system/components/apps/" + ID + "/edgebox-compose.yml")
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// If this happens it means that no EdgeApp exists for the given ID. This func should not be called in that case.
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if err != nil {
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log.Fatal(err)
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}
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// Is application running?
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t := make(map[string]interface{})
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yaml.Unmarshal([]byte(data), &t)
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fmt.Println(t["services"])
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return "OK"
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}
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