rony539/blazena
1
0
Fork 0
Code Issues Pull Requests Activity

Some logging added.

Browse Source 
This change is untested!
This commit is contained in:
rony5394
2026-04-13 15:31:06 +02:00
parent 4a33358596
commit d0d5168fd2
7 changed files with 116 additions and 33 deletions
Download Patch File Download Diff File Expand all files Collapse all files

41
docker/docker.go
View File

@@ -4,6 +4,7 @@ import (
"context"
"encoding/json"
"fmt"
"log/slog"
"os"
"os/signal"
"strings"
@@ -32,22 +33,27 @@ type aService struct{
}
func Run(Config cfg.Config){
theConfig = Config;
// Before touching the line below think.
theConfig = Config;
ctx, stop := signal.NotifyContext(context.Background(), os.Interrupt, syscall.SIGTERM);
var err error;
ApiClient, err = client.NewClientWithOpts(client.FromEnv);
if(err != nil){
panic("Docker client was not able to init from env!" + err.Error());
slog.Error("Failed to create docker client!", slog.String("note", "Try to look into DOCKER_HOST env var or check if socket exists and works"));
os.Exit(1);
}
info, err := ApiClient.Info(context.Background())
if(err != nil){
panic("Error getting info!" + err.Error());
slog.Error("Error getting info from docker socket!", slog.String("note", "This is kind of ping."));
os.Exit(1);
}
if(!info.Swarm.ControlAvailable){
panic("Node is not a swarm manager.");
slog.Error("This node is not a swarm manager!");
os.Exit(1);
}
server := &http.Server{
@@ -68,7 +74,7 @@ func Run(Config cfg.Config){
stop();
});
ApiClient.NetworkCreate(context.Background(), theConfig.Constants.OverlayNetworkName, network.CreateOptions{
ApiClient.NetworkCreate(context.Background(), Config.Constants.OverlayNetworkName, network.CreateOptions{
Attachable: true,
// Internal: true,
Driver: "overlay",
@@ -84,7 +90,8 @@ func Run(Config cfg.Config){
}
if(err != nil){
panic("Unable to start http server!" + err.Error());
slog.Error("Unable to start http server!", slog.Any("propagatedError", err));
os.Exit(1);
}
}();
@@ -96,7 +103,7 @@ func Run(Config cfg.Config){
fmt.Println("Stopping http server.");
server.Close();
ApiClient.NetworkRemove(context.Background(), theConfig.Constants.OverlayNetworkName);
ApiClient.NetworkRemove(context.Background(), Config.Constants.OverlayNetworkName);
ApiClient.ConfigRemove(context.Background(), "blazenaSSHPublicKey")
ApiClient.SecretRemove(context.Background(), "blazenaSSHHostPrivateKey");
@@ -110,6 +117,7 @@ func bearerAuth(w http.ResponseWriter, r *http.Request)bool {
if authHeader != expected {
w.WriteHeader(http.StatusUnauthorized)
fmt.Fprintln(w, "Unauthorized")
slog.Warn("Unauthorized request received", slog.Any("request", *r));
return false;
}
return true;
@@ -131,6 +139,16 @@ func listServices(w http.ResponseWriter, r *http.Request){
var services []aService;
nodes, err := ApiClient.NodeList(context.Background(), swarm.NodeListOptions{});
var validNodeHostnames []string;
for _, node := range nodes{
validNodeHostnames = append(validNodeHostnames, node.Description.Hostname);
}
for _, service := range list{
var settings map[string]string = service.Spec.Labels;
@@ -141,6 +159,12 @@ func listServices(w http.ResponseWriter, r *http.Request){
targetVolumes := strings.Split(settings["blazena.volumes"], ",");
if !contains(validNodeHostnames, settings["blazena.node"]) {
errMsg := "node with hostname:'"+ settings["blazena.node"] +"' does not exist.";
slog.Warn("Invalid Service Config!", slog.String("serviceId", service.ID), slog.String("errMessage", errMsg));
continue;
}
services = append(services, aService{
ServiceId: service.ID,
VolumeNames: targetVolumes,
@@ -152,7 +176,8 @@ func listServices(w http.ResponseWriter, r *http.Request){
bytes, err := json.Marshal(services);
if err != nil{
panic("Error during response encoding!" + err.Error());
slog.Error("Error during response encoding!", slog.Any("propagatedError", err));
os.Exit(1);
}
fmt.Fprint(w, string(bytes));