Keep the machine's forge SSH key and its keys entry (issue 955 S1)

modules/ssh-client/cmd/ssh-client-tools/main.go

@@ -10,12 +10,15 @@ import (
 	"fmt"
 	"math"
 	"os"
+	"os/user"
 	"strings"
+	"time"
 
 	stdio "git.novox.be/novox/mesh-sdk/go"
 )
 
 func main() {
+	go startKeeper()
 	// An empty name serves as the module the runtime names (MESH_SERVED_MODULE): ssh-client.
 	if err := stdio.Serve("", tools(NewClient())); err != nil {
 		fmt.Fprintln(os.Stderr, err)
@@ -136,3 +139,23 @@ func flag(args map[string]any, key string, def bool) bool {
 	}
 	return def
 }
+
+// startKeeper runs the forge key's keeper (keykeeper.go) when the runtime launched this process for a node:
+// outside a launch — a build, a check — there is no state to put the entry in.
+func startKeeper() {
+	node := strings.TrimSpace(os.Getenv("MESH_NODE"))
+	c := NewClient()
+	u, err := user.Current()
+	if node == "" || err != nil || c.Home == "" {
+		return
+	}
+	k := &KeyKeeper{Home: c.Home, Node: node, Account: u.Username, Run: ExecRunner, State: keysState{}, Now: time.Now}
+	k.Keep(context.Background(), func(f string, a ...any) { fmt.Fprintf(os.Stderr, "[ssh-client] "+f+"\n", a...) })
+}
+
+type keysState struct{}
+
+func (keysState) Put(key string, value any) error {
+	_, err := stdio.State("keys").Put(key, value)
+	return err
+}