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package deployer
import (
"context"
"fmt"
"log/slog"
"strconv"
"time"
"github.com/moby/moby/client"
)
type Instance struct {
ChallengeName string
DeployKey string
Address string
AddressFormat string
ExpiresAt time.Time
}
func (d *DockerDeployer) GetTeamInstances(ctx context.Context, team string) ([]Instance, error) {
filters := client.Filters{}
filters.Add("label", ContainerLabelForTeam+"="+team)
containers, err := d.client.ContainerList(ctx, client.ContainerListOptions{
All: true,
Filters: filters,
})
if err != nil {
return []Instance{}, err
}
var instances []Instance
for _, c := range containers.Items {
expiresAt, err := strconv.Atoi(c.Labels[ContainerLabelExpiresAt])
if err != nil {
slog.Error("container has invalid expiry", "container", c.ID, "expiry", c.Labels[ContainerLabelExpiresAt])
continue
}
instances = append(instances, Instance{
ChallengeName: c.Labels[ContainerLabelChallenge],
DeployKey: c.Labels[ContainerLabelDeployKey],
Address: c.Labels[ContainerLabelAddress],
AddressFormat: c.Labels[ContainerLabelAddressFormat],
ExpiresAt: time.Unix(int64(expiresAt), 0),
})
}
return instances, nil
}
func (d *DockerDeployer) StopInstance(ctx context.Context, deployKey, team string) error {
if deployKey == "" || team == "" {
return fmt.Errorf("deploy key/team is invalid")
}
filters := client.Filters{}
filters.Add("label", ContainerLabelForTeam+"="+team)
filters.Add("label", ContainerLabelDeployKey+"="+deployKey)
containers, err := d.client.ContainerList(ctx, client.ContainerListOptions{
All: true,
Filters: filters,
})
if err != nil {
return fmt.Errorf("docker error")
}
if len(containers.Items) == 0 {
return fmt.Errorf("no such instance")
}
for _, c := range containers.Items {
_, err := d.client.ContainerRemove(ctx, c.ID, client.ContainerRemoveOptions{
Force: true,
})
if err != nil {
slog.Error("failed to remove container", "container", c.ID, "cause", err)
return fmt.Errorf("docker error")
}
slog.Info("container removed early", "container", c.ID)
}
networks, err := d.client.NetworkList(ctx, client.NetworkListOptions{
Filters: filters,
})
if err != nil {
return fmt.Errorf("docker error")
}
for _, n := range networks.Items {
if err = d.forceRemoveNetwork(ctx, n.ID); err != nil {
slog.Warn("failed to remove network", "network", n.ID, "cause", err)
continue
}
slog.Info("network removed early", "network", n.ID)
}
return nil
}
func (d *DockerDeployer) RemoveExpiredResources(ctx context.Context) error {
filters := client.Filters{}
filters.Add("label", ContainerLabelManaged+"=yes")
containers, err := d.client.ContainerList(ctx, client.ContainerListOptions{
All: true,
Filters: filters,
})
if err != nil {
return err
}
for _, c := range containers.Items {
expiry, err := strconv.ParseInt(c.Labels[ContainerLabelExpiresAt], 10, 64)
if err != nil {
slog.Warn("invalid timestamp on container label", "container", c.ID, "timestamp", c.Labels[ContainerLabelExpiresAt])
continue
}
if expiry > time.Now().Unix() {
continue
}
_, err = d.client.ContainerRemove(ctx, c.ID, client.ContainerRemoveOptions{
Force: true,
})
if err != nil {
return err
}
slog.Info("expired container removed", "container", c.ID)
}
networks, err := d.client.NetworkList(ctx, client.NetworkListOptions{
Filters: filters,
})
if err != nil {
return err
}
for _, n := range networks.Items {
expiry, err := strconv.ParseInt(n.Labels[ContainerLabelExpiresAt], 10, 64)
if err != nil {
slog.Warn("invalid timestamp on network label", "network", n.ID, "timestamp", n.Labels[ContainerLabelExpiresAt])
continue
}
if expiry > time.Now().Unix() {
continue
}
if err = d.forceRemoveNetwork(ctx, n.ID); err != nil {
return err
}
slog.Info("expired network removed", "network", n.ID)
}
return nil
}
func (d *DockerDeployer) forceRemoveNetwork(ctx context.Context, networkID string) error {
_, _ = d.client.NetworkDisconnect(ctx, networkID, client.NetworkDisconnectOptions{
Container: d.proxyContainerName,
Force: true,
})
_, err := d.client.NetworkRemove(ctx, networkID, client.NetworkRemoveOptions{})
if err != nil {
return err
}
return nil
}
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