server-manager/backend
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added basic servers implementation

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This commit is contained in:
ACoolName
2025-03-16 19:23:02 +02:00
parent d1f1d4e7c9
commit f57888cb8e
8 changed files with 280 additions and 552 deletions
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52
instance_manager/docker/instance_manager.go
View File

@@ -4,10 +4,7 @@ import (
"context"
"encoding/json"
"fmt"
"io"
"log"
"net"
"strings"
instancemanager "git.acooldomain.co/server-manager/backend-kubernetes-go/instance_manager"
"git.acooldomain.co/server-manager/backend-kubernetes-go/models"
@@ -63,6 +60,22 @@ func (self *InstanceManager) getVolume(ctx context.Context, serverId string) (*v
// General
// Read Only
func (self *InstanceManager) GetImage(ctx context.Context, imageId string) (*instancemanager.Image, error) {
imageInspect, _, err := self.client.ImageInspectWithRaw(ctx, imageId)
if err != nil {
return nil, err
}
if imageInspect.Config.Labels["type"] != "game" {
return nil, fmt.Errorf("Image not found")
}
image := convertImageInspectToInstanceImage(imageInspect)
return &image, nil
}
func (self *InstanceManager) ListImages(ctx context.Context) ([]instancemanager.Image, error) {
imageFilters, err := convertLabelsToFilter(ImageLabels{Type: Game})
if err != nil {
@@ -81,14 +94,7 @@ func (self *InstanceManager) ListImages(ctx context.Context) ([]instancemanager.
return nil, err
}
ports := convertImagePortsToPorts(imageInspect.Config.ExposedPorts)
imageId := convertContainerImageToImage(rawImage.RepoTags[0])
images[i] = instancemanager.Image{
Registry: imageId.Registry,
Tag: imageId.Tag,
Ports: ports,
Command: strings.Join(imageInspect.Config.Cmd, " "),
}
images[i] = convertImageInspectToInstanceImage(imageInspect)
}
return images, nil
@@ -117,6 +123,7 @@ func (self *InstanceManager) GetServer(ctx context.Context, serverId string) (*i
RunningCommand: "",
RunningImage: nil,
Ports: nil,
Domain: self.config.GamesDomain,
}, nil
}
@@ -125,7 +132,7 @@ func (self *InstanceManager) GetServer(ctx context.Context, serverId string) (*i
running := serverContainer.State == "running"
runningCommand := serverContainer.Command
image := convertContainerImageToImage(serverContainer.Image)
image := convertImageStringToModelsImage(serverContainer.Image)
return &instancemanager.Server{
Id: volume.Name,
@@ -133,6 +140,7 @@ func (self *InstanceManager) GetServer(ctx context.Context, serverId string) (*i
RunningCommand: runningCommand,
Ports: convertContainerPortsToPorts(serverContainer.Ports),
RunningImage: &image,
Domain: self.config.GamesDomain,
}, nil
}
@@ -156,6 +164,7 @@ func (self *InstanceManager) ListServers(ctx context.Context) ([]instancemanager
RunningCommand: "",
Ports: nil,
RunningImage: nil,
Domain: self.config.GamesDomain,
}
}
@@ -177,7 +186,7 @@ func (self *InstanceManager) ListServers(ctx context.Context) ([]instancemanager
continue
}
image := convertContainerImageToImage(container.Image)
image := convertImageStringToModelsImage(container.Image)
serverStatus[containerLabels.VolumeId].Ports = convertContainerPortsToPorts(container.Ports)
serverStatus[containerLabels.VolumeId].Running = true
@@ -197,7 +206,12 @@ func (self *InstanceManager) ListServers(ctx context.Context) ([]instancemanager
}
// State Changing
func (self *InstanceManager) StartServer(ctx context.Context, serverId string, image instancemanager.Image, command string, ports []models.Port) error {
func (self *InstanceManager) StartServer(ctx context.Context,
serverId string,
imageId string,
command string,
ports []models.Port,
) error {
server, err := self.GetServer(ctx, serverId)
if err != nil {
return err
@@ -207,7 +221,6 @@ func (self *InstanceManager) StartServer(ctx context.Context, serverId string, i
return fmt.Errorf("Server %s already running", serverId)
}
imageId := image.Registry + ":" + image.Tag
containerLabels := ContainerLabels{
VolumeId: server.Id,
Type: "GAME",
@@ -216,6 +229,10 @@ func (self *InstanceManager) StartServer(ctx context.Context, serverId string, i
volumes := make(map[string]struct{})
var portMapping nat.PortMap = make(nat.PortMap)
image, err := self.GetImage(ctx, imageId)
if err != nil {
return err
}
if len(ports) == 0 {
for _, port := range image.Ports {
@@ -232,8 +249,6 @@ func (self *InstanceManager) StartServer(ctx context.Context, serverId string, i
}
}
rawImage, _, err := self.client.ImageInspectWithRaw(ctx, imageId)
if command == "" {
command = image.Command
}
@@ -274,7 +289,7 @@ func (self *InstanceManager) StartServer(ctx context.Context, serverId string, i
},
&container.HostConfig{
AutoRemove: true,
Mounts: []mount.Mount{{Source: server.Id, Target: rawImage.Config.WorkingDir, Type: "volume"}},
Mounts: []mount.Mount{{Source: server.Id, Target: image.WorkingDir, Type: "volume"}},
PortBindings: portMapping,
ConsoleSize: [2]uint{1000, 1000},
},
@@ -328,6 +343,7 @@ func (self *InstanceManager) CreateServer(ctx context.Context) (*instancemanager
Running: false,
RunningImage: nil,
RunningCommand: "",
Domain: self.config.GamesDomain,
}, nil
}

21
instance_manager/docker/utils.go
View File

@@ -4,7 +4,6 @@ import (
"encoding/json"
"fmt"
"log"
"reflect"
"strings"
instancemanager "git.acooldomain.co/server-manager/backend-kubernetes-go/instance_manager"
@@ -21,6 +20,7 @@ func convertLabelsToFilter(labels any) (*filters.Args, error) {
if err != nil {
return nil, err
}
for key, value := range *labelMap {
args.Add("label", fmt.Sprintf("%s=%s", key, value))
}
@@ -29,7 +29,6 @@ func convertLabelsToFilter(labels any) (*filters.Args, error) {
}
func convertLabelsToMap(labels any) (*map[string]string, error) {
raw, err := json.Marshal(labels)
if err != nil {
return nil, err
@@ -80,7 +79,7 @@ func convertContainerPortsToPorts(ports []types.Port) []models.Port {
return containerPorts
}
func convertContainerImageToImage(image string) models.Image {
func convertImageStringToModelsImage(image string) models.Image {
imageSegments := strings.Split(image, ":")
imageRegistry := imageSegments[0]
imageTag := imageSegments[1]
@@ -91,6 +90,20 @@ func convertContainerImageToImage(image string) models.Image {
}
}
func convertImageInspectToInstanceImage(image types.ImageInspect) instancemanager.Image {
modelsImage := convertImageStringToModelsImage(image.RepoTags[0])
ports := convertImagePortsToPorts(image.Config.ExposedPorts)
return instancemanager.Image{
Registry: modelsImage.Registry,
Tag: modelsImage.Tag,
Command: strings.Join(image.Config.Cmd, " "),
Ports: ports,
WorkingDir: image.Config.WorkingDir,
}
}
func convertContainerLabelsToStruct(labels map[string]string) (*ContainerLabels, error) {
var containerLabels ContainerLabels
@@ -104,6 +117,7 @@ func convertContainerLabelsToStruct(labels map[string]string) (*ContainerLabels,
if err != nil {
return nil, err
}
return &containerLabels, nil
}
@@ -120,6 +134,7 @@ func convertVolumeLabelsToStruct(labels map[string]string) (*VolumeLabels, error
if err != nil {
return nil, err
}
return &volumeLabels, nil
}

13
instance_manager/instance_manager.go
View File

@@ -13,6 +13,7 @@ type Server struct {
RunningCommand string
RunningImage *models.Image
Ports []models.Port
Domain string
}
type Port struct {
@@ -21,21 +22,23 @@ type Port struct {
}
type Image struct {
Registry string
Tag string
Command string
Ports []Port
Registry string
Tag string
Command string
WorkingDir string
Ports []Port
}
type InstanceManager interface {
//General
// Read Only
GetImage(ctx context.Context, imageId string) (*Image, error)
ListImages(ctx context.Context) ([]Image, error)
GetServer(ctx context.Context, serverId string) (*Server, error)
ListServers(ctx context.Context) ([]Server, error)
// State Changing
StartServer(ctx context.Context, serverId string, image Image, command string, ports []models.Port) error
StartServer(ctx context.Context, serverId string, imageId string, command string, ports []models.Port) error
StopServer(ctx context.Context, serverId string) error
CreateServer(ctx context.Context) (*Server, error)