alexei.dolgolyov
791cd4d6af
Build / build (push) Successful in 12m20s
Rebrand the project as Tinyforge to reflect its evolution from a Docker container watcher into a self-hosted mini CI/deployment platform. Rename covers: Go module path, Docker labels, DB/config filenames, JWT issuer, Dockerfile binary, docker-compose, CI workflows, frontend i18n, README with static sites docs, and all code comments.
56 lines
1.5 KiB
Go
56 lines
1.5 KiB
Go
package docker
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
|
|
"github.com/moby/moby/api/types/network"
|
|
"github.com/moby/moby/client"
|
|
)
|
|
|
|
// EnsureNetwork creates a Docker network with the given name if it does not
|
|
// already exist. It returns the network ID in all cases.
|
|
func (c *Client) EnsureNetwork(ctx context.Context, networkName string) (string, error) {
|
|
// Check if the network already exists.
|
|
filterArgs := make(client.Filters).Add("name", networkName)
|
|
|
|
listResult, err := c.api.NetworkList(ctx, client.NetworkListOptions{
|
|
Filters: filterArgs,
|
|
})
|
|
if err != nil {
|
|
return "", fmt.Errorf("list networks for %s: %w", networkName, err)
|
|
}
|
|
|
|
// NetworkList with a name filter may return partial matches, so check exact name.
|
|
for _, n := range listResult.Items {
|
|
if n.Name == networkName {
|
|
return n.ID, nil
|
|
}
|
|
}
|
|
|
|
// Create the network.
|
|
resp, err := c.api.NetworkCreate(ctx, networkName, client.NetworkCreateOptions{
|
|
Driver: "bridge",
|
|
Labels: map[string]string{
|
|
LabelProject: "tinyforge",
|
|
},
|
|
})
|
|
if err != nil {
|
|
return "", fmt.Errorf("create network %s: %w", networkName, err)
|
|
}
|
|
|
|
return resp.ID, nil
|
|
}
|
|
|
|
// ConnectNetwork attaches a container to an existing network.
|
|
func (c *Client) ConnectNetwork(ctx context.Context, networkID string, containerID string) error {
|
|
_, err := c.api.NetworkConnect(ctx, networkID, client.NetworkConnectOptions{
|
|
Container: containerID,
|
|
EndpointConfig: &network.EndpointSettings{},
|
|
})
|
|
if err != nil {
|
|
return fmt.Errorf("connect container %s to network %s: %w", containerID, networkID, err)
|
|
}
|
|
return nil
|
|
}
|