jschoubben
d309bb6cef
mesh/merge-gate head d309bb6cef45 merged into trunk 253f464a8155 — pass: builds mesh-delivery-view → shanks; no bus step; every machine composes with the c…
mesh/repo-check head d309bb6cef45 merged into trunk 253f464a8155 — pass: its merge-check.sh passed
mesh/delivery delivered
53 lines
1.2 KiB
Go
53 lines
1.2 KiB
Go
// Command mesh-delivery-cli is the operator's command for the delivery view (novox/hq ADR 0429 §3). It asks the
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// view's local socket for the rows and prints them; it holds no credential and changes nothing.
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package main
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import (
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"encoding/json"
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"flag"
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"fmt"
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"io"
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"os"
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"mesh-delivery-view/internal/view"
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)
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const defaultSocket = "/var/lib/mesh-delivery-view-cli/cli.sock"
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func main() {
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socket := os.Getenv("MESH_DELIVERY_SOCKET")
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if socket == "" {
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socket = defaultSocket
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}
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os.Exit(run(os.Args[1:], socket, os.Stdout, os.Stderr))
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}
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func run(args []string, socket string, out, errOut io.Writer) int {
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fs := flag.NewFlagSet("mesh-delivery-cli", flag.ContinueOnError)
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fs.SetOutput(errOut)
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asJSON := fs.Bool("json", false, "print the rows as JSON")
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if err := fs.Parse(args); err != nil {
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return 2
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}
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if fs.NArg() > 0 {
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fmt.Fprintln(errOut, "mesh-delivery-cli takes no argument: it only shows")
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return 2
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}
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s, err := view.Ask(socket)
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if err != nil {
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fmt.Fprintln(errOut, "mesh-delivery-cli:", err)
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return 1
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}
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if *asJSON {
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enc := json.NewEncoder(out)
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enc.SetIndent("", " ")
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if err := enc.Encode(s); err != nil {
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fmt.Fprintln(errOut, "mesh-delivery-cli:", err)
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return 1
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}
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return 0
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}
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view.Table(out, s)
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return 0
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}
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