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package dash
import (
"context"
"net/http"
"time"
"github.com/gin-gonic/gin"
"github.com/seaweedfs/seaweedfs/weed/cluster"
"github.com/seaweedfs/seaweedfs/weed/glog"
"github.com/seaweedfs/seaweedfs/weed/pb/master_pb"
)
type AdminData struct {
Username string `json:"username"`
TotalVolumes int `json:"total_volumes"`
TotalFiles int64 `json:"total_files"`
TotalSize int64 `json:"total_size"`
MasterNodes []MasterNode `json:"master_nodes"`
VolumeServers []VolumeServer `json:"volume_servers"`
FilerNodes []FilerNode `json:"filer_nodes"`
DataCenters []DataCenter `json:"datacenters"`
LastUpdated time.Time `json:"last_updated"`
SystemHealth string `json:"system_health"`
}
// Object Store Users management structures
type ObjectStoreUser struct {
Username string `json:"username"`
Email string `json:"email"`
AccessKey string `json:"access_key"`
SecretKey string `json:"secret_key"`
Permissions []string `json:"permissions"`
}
type ObjectStoreUsersData struct {
Username string `json:"username"`
Users []ObjectStoreUser `json:"users"`
TotalUsers int `json:"total_users"`
LastUpdated time.Time `json:"last_updated"`
}
// User management request structures
type CreateUserRequest struct {
Username string `json:"username" binding:"required"`
Email string `json:"email"`
Actions []string `json:"actions"`
GenerateKey bool `json:"generate_key"`
}
type UpdateUserRequest struct {
Email string `json:"email"`
Actions []string `json:"actions"`
}
type UpdateUserPoliciesRequest struct {
Actions []string `json:"actions" binding:"required"`
}
type AccessKeyInfo struct {
AccessKey string `json:"access_key"`
SecretKey string `json:"secret_key"`
CreatedAt time.Time `json:"created_at"`
}
type UserDetails struct {
Username string `json:"username"`
Email string `json:"email"`
Actions []string `json:"actions"`
AccessKeys []AccessKeyInfo `json:"access_keys"`
}
type FilerNode struct {
Address string `json:"address"`
DataCenter string `json:"datacenter"`
Rack string `json:"rack"`
LastUpdated time.Time `json:"last_updated"`
}
// GetAdminData retrieves admin data as a struct (for reuse by both JSON and HTML handlers)
func (s *AdminServer) GetAdminData(username string) (AdminData, error) {
if username == "" {
username = "admin"
}
// Get cluster topology
topology, err := s.GetClusterTopology()
if err != nil {
glog.Errorf("Failed to get cluster topology: %v", err)
return AdminData{}, err
}
// Get master nodes status
masterNodes := s.getMasterNodesStatus()
// Get filer nodes status
filerNodes := s.getFilerNodesStatus()
// Prepare admin data
adminData := AdminData{
Username: username,
TotalVolumes: topology.TotalVolumes,
TotalFiles: topology.TotalFiles,
TotalSize: topology.TotalSize,
MasterNodes: masterNodes,
VolumeServers: topology.VolumeServers,
FilerNodes: filerNodes,
DataCenters: topology.DataCenters,
LastUpdated: topology.UpdatedAt,
SystemHealth: s.determineSystemHealth(topology, masterNodes),
}
return adminData, nil
}
// ShowAdmin displays the main admin page (now uses GetAdminData)
func (s *AdminServer) ShowAdmin(c *gin.Context) {
username := c.GetString("username")
adminData, err := s.GetAdminData(username)
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to get admin data: " + err.Error()})
return
}
// Return JSON for API calls
c.JSON(http.StatusOK, adminData)
}
// ShowOverview displays cluster overview
func (s *AdminServer) ShowOverview(c *gin.Context) {
topology, err := s.GetClusterTopology()
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
return
}
c.JSON(http.StatusOK, topology)
}
// getMasterNodesStatus checks status of all master nodes
func (s *AdminServer) getMasterNodesStatus() []MasterNode {
var masterNodes []MasterNode
// Since we have a single master address, create one entry
var isLeader bool = true // Assume leader since it's the only master we know about
// Try to get leader info from this master
err := s.WithMasterClient(func(client master_pb.SeaweedClient) error {
_, err := client.GetMasterConfiguration(context.Background(), &master_pb.GetMasterConfigurationRequest{})
if err != nil {
return err
}
// For now, assume this master is the leader since we can connect to it
isLeader = true
return nil
})
if err != nil {
isLeader = false
}
masterNodes = append(masterNodes, MasterNode{
Address: s.masterAddress,
IsLeader: isLeader,
})
return masterNodes
}
// getFilerNodesStatus checks status of all filer nodes using master's ListClusterNodes
func (s *AdminServer) getFilerNodesStatus() []FilerNode {
var filerNodes []FilerNode
// Get filer nodes from master using ListClusterNodes
err := s.WithMasterClient(func(client master_pb.SeaweedClient) error {
resp, err := client.ListClusterNodes(context.Background(), &master_pb.ListClusterNodesRequest{
ClientType: cluster.FilerType,
})
if err != nil {
return err
}
// Process each filer node
for _, node := range resp.ClusterNodes {
filerNodes = append(filerNodes, FilerNode{
Address: node.Address,
DataCenter: node.DataCenter,
Rack: node.Rack,
LastUpdated: time.Now(),
})
}
return nil
})
if err != nil {
glog.Errorf("Failed to get filer nodes from master %s: %v", s.masterAddress, err)
// Return empty list if we can't get filer info from master
return []FilerNode{}
}
return filerNodes
}
// determineSystemHealth provides overall system health assessment
func (s *AdminServer) determineSystemHealth(topology *ClusterTopology, masters []MasterNode) string {
// Simple health calculation based on available components
totalComponents := len(masters) + len(topology.VolumeServers)
if totalComponents == 0 {
return "unknown"
}
// Consider all components as active since we're removing status tracking
// In the future, this could be enhanced with actual health checks
if totalComponents >= 3 {
return "excellent"
} else if totalComponents >= 2 {
return "good"
} else {
return "fair"
}
}
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