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package gatewayssh
import (
"context"
"errors"
"fmt"
"slices"
"strings"
"time"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/client-go/rest"
"github.com/johnandersen777/socialweb-computer-kcp/api/v1alpha1"
"github.com/johnandersen777/socialweb-computer-kcp/internal/app/compose"
"github.com/johnandersen777/socialweb-computer-kcp/internal/app/sshgateway"
"github.com/johnandersen777/socialweb-computer-kcp/internal/controllers/runtime/kube"
"github.com/johnandersen777/socialweb-computer-kcp/internal/kcpserver"
)
const (
RootName = "app"
FieldManager = "run-gateway-ssh"
Poll = time.Second
DefaultName = "ssh-gateway"
SshPublicListener = "ssh-public"
)
type SpecInput struct {
Profile string
Network *v1alpha1.MarketNetworkValue
BidderDids []string
Options []v1alpha1.ApplicationOption
Comms *v1alpha1.MarketComms
RequesterIngress *v1alpha1.IngressConfig
OwnerSessionsFile string
Ssh *v1alpha1.SshGatewaySsh
}
func Spec(in SpecInput) (v1alpha1.SshGatewaySpec, error) {
if !slices.Contains(sshgateway.SshGatewayProfiles, in.Profile) {
return v1alpha1.SshGatewaySpec{}, fmt.Errorf("gatewayssh: --profile %q: want one of %s", in.Profile, strings.Join(sshgateway.SshGatewayProfiles, ", "))
}
if in.Profile == sshgateway.SshGatewayProfileNetwork && in.Network == nil {
return v1alpha1.SshGatewaySpec{}, fmt.Errorf("gatewayssh: the %s profile takes its network value from a market network (--network)", in.Profile)
}
return v1alpha1.SshGatewaySpec{Profile: in.Profile, Network: in.Network, BidderDids: in.BidderDids, Comms: in.Comms, Options: in.Options,
RequesterIngress: in.RequesterIngress, OwnerSessionsFile: in.OwnerSessionsFile, Ssh: in.Ssh}, nil
}
func InstanceID(name string) string {
return "ssh-gateway-" + name
}
type Kcp struct {
dyn *kube.Client
}
func OpenKcp(kubeconfig string) (*Kcp, error) {
cfg, err := kcpserver.FrontRestConfig(kubeconfig)
if err != nil {
return nil, err
}
root := rest.CopyConfig(cfg)
root.Host = strings.TrimSuffix(cfg.Host, "/") + "/clusters/" + compose.DefaultWorkspace
dc, err := kube.New(root)
if err != nil {
return nil, err
}
return &Kcp{dyn: dc}, nil
}
func (k *Kcp) ApplyRoot(ctx context.Context, spec v1alpha1.SshGatewaySpec) error {
if err := compose.AwaitBound(ctx, k.dyn.Resource(compose.APIBindingGVR), compose.RootBindTimeout, compose.RootExports...); err != nil {
return err
}
obj := &v1alpha1.SshGateway{TypeMeta: metav1.TypeMeta{APIVersion: v1alpha1.GroupVersion.String(), Kind: string(v1alpha1.ApplicationKindSshGateway)},
ObjectMeta: metav1.ObjectMeta{Name: RootName}, Spec: spec}
_, err := kube.Apply[kube.Doc](ctx, k.dyn.Resource(compose.SshGatewayGVR), obj, kube.ApplyOptions{FieldManager: FieldManager, Force: true})
return err
}
func (k *Kcp) Root(ctx context.Context) (*v1alpha1.SshGateway, error) {
return kube.Get[v1alpha1.SshGateway](ctx, k.dyn.Resource(compose.SshGatewayGVR), RootName)
}
func (k *Kcp) WaitReady(ctx context.Context, timeout time.Duration, progress func(v1alpha1.ApplicationStatus)) (*v1alpha1.SshGateway, error) {
last := ""
o, err := kube.Await(ctx, k.dyn.Resource(compose.SshGatewayGVR), RootName, timeout, func(o *v1alpha1.SshGateway) (bool, error) {
if o == nil {
return false, nil
}
if key := string(o.Status.Phase) + o.Status.Message; key != last && progress != nil {
progress(o.Status)
last = key
}
return o.Status.Phase == v1alpha1.ApplicationPhaseReady || o.Status.Phase == v1alpha1.ApplicationPhaseFailed, nil
})
switch {
case errors.Is(err, kube.ErrAwaitTimeout):
return o, fmt.Errorf("gatewayssh: the SshGateway was not Ready within %s", timeout)
case err != nil:
return o, err
case o.Status.Phase == v1alpha1.ApplicationPhaseFailed:
return o, fmt.Errorf("gatewayssh: the SshGateway failed: %s", o.Status.Message)
}
return o, nil
}
func SshListener(ls []v1alpha1.ApplicationListener) string {
for _, l := range ls {
if l.Name == SshPublicListener && l.Address != "" {
return l.Address
}
}
for _, l := range ls {
if !strings.HasSuffix(l.Component, "-ssh-local") || l.Address == "" {
continue
}
if strings.Contains(l.Address, "://") {
return l.Address
}
return "ssh://" + l.Address
}
return ""
}
