151 lines
3.5 KiB
Go
151 lines
3.5 KiB
Go
package host
|
|
|
|
import (
|
|
"bytes"
|
|
"context"
|
|
"encoding/json"
|
|
"fmt"
|
|
"io"
|
|
"net/http"
|
|
"time"
|
|
|
|
"github.com/docker/docker/api/types/container"
|
|
"github.com/docker/docker/api/types/mount"
|
|
"github.com/docker/docker/api/types/network"
|
|
"github.com/docker/docker/api/types/strslice"
|
|
"github.com/docker/docker/client"
|
|
v1 "github.com/opencontainers/image-spec/specs-go/v1"
|
|
cfg "github.com/rony5394/blazena/config"
|
|
)
|
|
|
|
var token string = "12345";
|
|
|
|
type aService struct{
|
|
ServiceId string `json:"serviceId"`;
|
|
VolumeNames []string `json:"volumeNames"`;
|
|
Node string `json:"node"`;
|
|
}
|
|
|
|
func Run(Config cfg.Config) {
|
|
DockerClient, err := client.NewClientWithOpts(client.FromEnv);
|
|
if err != nil {
|
|
panic("Failed to create DockerClient.");
|
|
}
|
|
|
|
_, err = DockerClient.Ping(context.Background())
|
|
if err != nil {
|
|
panic("Failed to ping DockerClient.");
|
|
}
|
|
|
|
createStorageContainer(Config, DockerClient);
|
|
|
|
// services := getServices(Config);
|
|
//
|
|
// for _, service := range services {
|
|
// if !prepareService(Config, service) {continue}
|
|
//
|
|
// os.Exit(0);
|
|
//
|
|
// }
|
|
|
|
time.Sleep(30*time.Second);
|
|
|
|
DockerClient.ContainerRemove(context.Background(), "BlazenaStorage", container.RemoveOptions{
|
|
Force: true,
|
|
});
|
|
}
|
|
|
|
func getServices(Config cfg.Config)[]aService{
|
|
req, err := http.NewRequest("GET", Config.DockerManagerBaseUrl + "/services", nil);
|
|
if err != nil {
|
|
panic("Failed to create request."+ err.Error());
|
|
}
|
|
|
|
req.Header.Add("Authorization", "Bearer "+ token);
|
|
|
|
res, err := http.DefaultClient.Do(req);
|
|
if err != nil {
|
|
panic("Failed to send request."+ err.Error());
|
|
}
|
|
reader, err := io.ReadAll(res.Body);
|
|
if err != nil {
|
|
panic("Failed to decode response body."+err.Error());
|
|
}
|
|
var services []aService;
|
|
err = json.Unmarshal(reader, &services);
|
|
if err != nil {
|
|
panic("Failed to unmarshal response.");
|
|
}
|
|
return services;
|
|
}
|
|
|
|
func prepareService(Config cfg.Config, service aService) bool{
|
|
_, ok := Config.Nodes[service.Node];
|
|
if !ok {
|
|
fmt.Println("Node", service.Node, "refferenced in", service.ServiceId ,"service does not exists!");
|
|
return false;
|
|
}
|
|
|
|
var body struct{
|
|
ServiceId string `json:"serviceId"`
|
|
} = struct{ServiceId string "json:\"serviceId\""}{
|
|
ServiceId: service.ServiceId,
|
|
}
|
|
|
|
bodyEncoded, err := json.Marshal(body);
|
|
|
|
if err != nil {
|
|
panic("Failed to marshal body."+ err.Error());
|
|
}
|
|
|
|
rq, err := http.NewRequest("POST", Config.DockerManagerBaseUrl + "/prepare", bytes.NewBuffer(bodyEncoded));
|
|
|
|
if err != nil{
|
|
panic("Failed to create http request"+ err.Error());
|
|
}
|
|
|
|
rq.Header.Set("Authorization", "Bearer "+ token);
|
|
rq.Close = true;
|
|
rs, err := http.DefaultClient.Do(rq);
|
|
defer rs.Body.Close();
|
|
|
|
if err != nil{
|
|
panic("Failed to send http request"+ err.Error());
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
func createStorageContainer(Config cfg.Config, DockerClient *client.Client){
|
|
cr, err := DockerClient.ContainerCreate(context.Background(), &container.Config{
|
|
Image: "docker.io/library/alpine:3",
|
|
Labels: map[string]string{
|
|
"blazena.storage": "true",
|
|
},
|
|
Cmd: strslice.StrSlice{"sleep", "infinity"},
|
|
}, &container.HostConfig{
|
|
Mounts: []mount.Mount{
|
|
mount.Mount{
|
|
Type: mount.TypeBind,
|
|
Source: Config.LocalBasePath,
|
|
Target: "/volume",
|
|
ReadOnly: true,
|
|
},
|
|
},
|
|
//AutoRemove: true,
|
|
NetworkMode: "blazena",
|
|
}, &network.NetworkingConfig{
|
|
}, &v1.Platform{}, "BlazenaStorage");
|
|
|
|
if err != nil {
|
|
panic("Failed to create BlazenaStorage container!"+err.Error());
|
|
}
|
|
|
|
err = DockerClient.ContainerStart(context.Background(), cr.ID, container.StartOptions{});
|
|
|
|
if err != nil{
|
|
panic("Failed to start BlazenaStorage container!"+err.Error());
|
|
}
|
|
|
|
}
|