podterminal/pods/manager.go

80 lines
1.6 KiB
Go

package pods
import (
"context"
"log"
"time"
"github.com/containers/podman/v4/pkg/bindings"
"github.com/containers/podman/v4/pkg/bindings/containers"
"github.com/containers/podman/v4/pkg/bindings/images"
"github.com/containers/podman/v4/pkg/domain/entities"
"github.com/spf13/viper"
)
var Socket context.Context
var OldContainers []string
func socketConnection() context.Context {
uri := "unix:///run/podman/podman.sock"
conn, err := bindings.NewConnection(context.Background(), uri)
if err != nil {
log.Fatal(err)
}
return conn
}
func ConnectSocket() {
Socket = socketConnection()
}
func PullImage() error {
for {
log.Println("Downloading Container image ", viper.GetString("image"))
image := viper.GetString("image")
conn := Socket
_, err := images.Pull(conn, image, nil)
if err != nil {
log.Println(err)
return err
}
time.Sleep(1 * time.Hour)
}
}
// Cleanup deletes Containers older than the specified maximum Age (Equal to session cookie maximum age)
func Cleanup() error {
log.Println("Starting cleanup function")
containerList := containerList()
for _, container := range containerList {
for _, ctid := range OldContainers {
if container.ID == ctid {
err := containers.Kill(Socket, container.ID, nil)
if err != nil {
log.Println(err)
return err
}
_, err = containers.Remove(Socket, container.ID, nil)
if err != nil {
log.Println(err)
return err
}
}
}
}
return nil
}
func containerList() []entities.ListContainer {
containerList, err := containers.List(Socket, nil)
if err != nil {
log.Println("Could not get Containers", err)
}
return containerList
}