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// +build linux
package netavark
import (
"encoding/json"
"fmt"
"github.com/containers/podman/v3/libpod/network/internal/util"
"github.com/containers/podman/v3/libpod/network/types"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
)
type netavarkOptions struct {
types.NetworkOptions
Networks map[string]*types.Network `json:"network_info"`
}
// Setup will setup the container network namespace. It returns
// a map of StatusBlocks, the key is the network name.
func (n *netavarkNetwork) Setup(namespacePath string, options types.SetupOptions) (map[string]types.StatusBlock, error) {
n.lock.Lock()
defer n.lock.Unlock()
err := n.loadNetworks()
if err != nil {
return nil, err
}
err = util.ValidateSetupOptions(n, namespacePath, options)
if err != nil {
return nil, err
}
// TODO IP address assignment
netavarkOpts, err := n.convertNetOpts(options.NetworkOptions)
if err != nil {
return nil, errors.Wrap(err, "failed to convert net opts")
}
b, err := json.Marshal(&netavarkOpts)
if err != nil {
return nil, err
}
fmt.Println(string(b))
result := map[string]types.StatusBlock{}
err = execNetavark(n.netavarkBinary, []string{"setup", namespacePath}, netavarkOpts, result)
if len(result) != len(options.Networks) {
logrus.Errorf("unexpected netavark result: %v", result)
return nil, fmt.Errorf("unexpected netavark result length, want (%d), got (%d) networks", len(options.Networks), len(result))
}
return result, err
}
// Teardown will teardown the container network namespace.
func (n *netavarkNetwork) Teardown(namespacePath string, options types.TeardownOptions) error {
n.lock.Lock()
defer n.lock.Unlock()
err := n.loadNetworks()
if err != nil {
return err
}
netavarkOpts, err := n.convertNetOpts(options.NetworkOptions)
if err != nil {
return errors.Wrap(err, "failed to convert net opts")
}
return execNetavark(n.netavarkBinary, []string{"teardown", namespacePath}, netavarkOpts, nil)
}
func (n *netavarkNetwork) convertNetOpts(opts types.NetworkOptions) (*netavarkOptions, error) {
netavarkOptions := netavarkOptions{
NetworkOptions: opts,
Networks: make(map[string]*types.Network, len(opts.Networks)),
}
for network := range opts.Networks {
net, err := n.getNetwork(network)
if err != nil {
return nil, err
}
netavarkOptions.Networks[network] = net
}
return &netavarkOptions, nil
}
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