Add host log panel

internal/app/host_logs.go

@@ -0,0 +1,37 @@
+package app
+
+import (
+	"github.com/wailsapp/wails/v2/pkg/runtime"
+	"go.mongodb.org/mongo-driver/bson"
+)
+
+type HostLogsResult struct {
+	Total int32    `json:"total"`
+	Logs  []string `json:"logs"`
+	Error string   `json:"error"`
+}
+
+func (a *App) HostLogs(hostKey, filter string) (result HostLogsResult) {
+	client, ctx, close, err := a.connectToHost(hostKey)
+	if err != nil {
+		result.Error = "Could not connect to host"
+		return
+	}
+	defer close()
+
+	var res bson.M
+	err = client.Database("admin").RunCommand(ctx, bson.M{"getLog": filter}).Decode(&res)
+	if err != nil {
+		runtime.LogWarningf(a.ctx, "Could not get %s logs for %s: %s", filter, hostKey, err.Error())
+		result.Error = err.Error()
+	}
+
+	result.Total = res["totalLinesWritten"].(int32)
+	result.Logs = make([]string, 0)
+
+	for _, v := range res["log"].(bson.A) {
+		result.Logs = append(result.Logs, v.(string))
+	}
+
+	return
+}