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Serve the read verbs on the serving controller's own connection, and name every connection

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Each verb ran as a process that dialled the bus, so hundreds of short
connections an hour, all named mesh-controller, hid any client reconnecting
in a loop (hq issue 327). D15 now says a user whose connections keep dropping.
This commit is contained in:
jochen
2026-10-08 21:08:34 +02:00
parent ca09a07fdf
commit 1e04670052
21 changed files with 744 additions and 80 deletions
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cmd/mesh-controller/handacts.go
+14 -13
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@@ -6,6 +6,7 @@ import (
"errors"
"flag"
"fmt"
"io"
"os"
"slices"
"sort"
@@ -14,7 +15,6 @@ import (
"github.com/nats-io/nats.go"
"github.com/novox/mesh-controller/internal/broker"
"github.com/novox/mesh-controller/internal/conditions"
"github.com/novox/mesh-controller/internal/link"
)
@@ -154,14 +154,10 @@ func onTheBus(f func(*nats.Conn) error) error {
if handActConn != nil {
return f(handActConn)
}
address, err := broker.BusAddress()
js, err := aBus()
if err != nil {
return err
}
js, err := broker.Dial(address)
if err != nil {
return fmt.Errorf("cannot reach the bus: %w", err)
}
defer js.Close()
return f(js.Conn())
}
@@ -252,6 +248,11 @@ func handActCommand(ctx context.Context, args []string) error {
if len(args) > 0 && args[0] == "list" {
args = args[1:]
}
return listHandActs(ctx, args, os.Stdout)
}
// listHandActs is `hand-acts`: what was done by hand lately, and the causes done more than once.
func listHandActs(ctx context.Context, args []string, w io.Writer) error {
set := flag.NewFlagSet("hand-acts", flag.ContinueOnError)
days := set.Int("days", 14, "how many days back")
asJSON := set.Bool("json", false, "as data")
@@ -270,27 +271,27 @@ func handActCommand(ctx context.Context, args []string) error {
if err != nil {
return err
}
fmt.Println(string(body))
fmt.Fprintln(w, string(body))
return nil
}
if len(acts) == 0 {
fmt.Printf("nothing was done by hand in the last %d day(s)\n", *days)
fmt.Fprintf(w, "nothing was done by hand in the last %d day(s)\n", *days)
return nil
}
for i := len(acts) - 1; i >= 0; i-- {
a := acts[i]
fmt.Printf("%s %s %s %s\n by %s — %s (cause: %s", a.At.Local().Format("2006-01-02 15:04"), a.ID,
fmt.Fprintf(w, "%s %s %s %s\n by %s — %s (cause: %s", a.At.Local().Format("2006-01-02 15:04"), a.ID,
a.Verb, strings.Join(a.Args, " "), a.By, a.Why, a.Cause)
if a.Condition != "" {
fmt.Printf(", condition %s", a.Condition)
fmt.Fprintf(w, ", condition %s", a.Condition)
}
fmt.Println(")")
fmt.Fprintln(w, ")")
if pushedRecorded(a) {
carried := strings.Join(a.Carried, "; ")
if carried == "" {
carried = recordedBefore[a.ID]
}
fmt.Printf(" a push of recorded builds, no repair: %s\n", carried)
fmt.Fprintf(w, " a push of recorded builds, no repair: %s\n", carried)
}
}
if len(repeated) > 0 {
@@ -299,7 +300,7 @@ func handActCommand(ctx context.Context, args []string) error {
causes = append(causes, fmt.Sprintf("%s ×%d", c, n))
}
sort.Strings(causes)
fmt.Printf("\ndone by hand more than once in a fortnight — a healer is wanted (to-be 45 S15): %s\n",
fmt.Fprintf(w, "\ndone by hand more than once in a fortnight — a healer is wanted (to-be 45 S15): %s\n",
strings.Join(causes, ", "))
}
return nil