[Bug 2079975] [NEW] netplan status: encoding issues

[Danilo Egea Gondolfo]

Public bug reported:

When non-ascii characters are present, netplan status will not decode
them properly.

# netplan status
Error: netplan-wlp2s0-??????????o - no such connection profile.
WARNING:root:Cannot query NetworkManager SSID for netplan-wlp2s0-??????????o: Command '['nmcli', '--get-values', '802-11-wireless.ssid', 'con', 'show', 'id', 'netplan-wlp2s0-??????????o']' returned non-zero exit status 10.
Error: netplan-wlp2s0-??????????o - no such connection profile.
WARNING:root:Cannot query NetworkManager SSID for netplan-wlp2s0-??????????o: Command '['nmcli', '--get-values', '802-11-wireless.ssid', 'con', 'show', 'id', 'netplan-wlp2s0-??????????o']' returned non-zero exit status 10.
     Online state: online
    DNS Addresses: 127.0.0.53 (stub)
       DNS Search: .

●  1: lo ethernet UNKNOWN/UP (unmanaged)
      MAC Address: 00:00:00:00:00:00
        Addresses: 127.0.0.1/8
                   ::1/128
                   ::1 metric 256

●  3: wlp2s0 wifi/"\303\241\303\251\303\255\303\263\303\272\302\242\302\242\302\242\303\247\303\243o" UP (NetworkManager: wlp2s0-??????????o)
      MAC Address: 5c:c9:d3:6d:f3:ff (Qualcomm Atheros)
        Addresses: 10.42.0.203/24
                   fe80::5ec9:d3ff:fe6d:f3ff/64 (link)
    DNS Addresses: 10.42.0.1
           Routes: default via 10.42.0.1 metric 600 (dhcp)
                   10.42.0.0/24 from 10.42.0.203 metric 600 (link)
                   fe80::/64 metric 256

1 inactive interfaces hidden. Use "--all" to show all.

----

Those characters are decoded correctly by the netplan generator and
netplan get. In this example it's an access-point with SSID and password
"áéíóú¢¢¢ção". The connection works fine on both networkd and
NetworkManager, only the rendering from netplan status seems to be
affected.

It was tested on Jammy with netplan.io 0.107.1-3ubuntu0.22.04.1

** Affects: netplan.io (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/2079975

Title:
  netplan status: encoding issues

Status in netplan.io package in Ubuntu:
  New

Bug description:
  When non-ascii characters are present, netplan status will not decode
  them properly.

  # netplan status
  Error: netplan-wlp2s0-??????????o - no such connection profile.
  WARNING:root:Cannot query NetworkManager SSID for netplan-wlp2s0-??????????o: Command '['nmcli', '--get-values', '802-11-wireless.ssid', 'con', 'show', 'id', 'netplan-wlp2s0-??????????o']' returned non-zero exit status 10.
  Error: netplan-wlp2s0-??????????o - no such connection profile.
  WARNING:root:Cannot query NetworkManager SSID for netplan-wlp2s0-??????????o: Command '['nmcli', '--get-values', '802-11-wireless.ssid', 'con', 'show', 'id', 'netplan-wlp2s0-??????????o']' returned non-zero exit status 10.
       Online state: online
      DNS Addresses: 127.0.0.53 (stub)
         DNS Search: .

  ●  1: lo ethernet UNKNOWN/UP (unmanaged)
        MAC Address: 00:00:00:00:00:00
          Addresses: 127.0.0.1/8
                     ::1/128
                     ::1 metric 256

  ●  3: wlp2s0 wifi/"\303\241\303\251\303\255\303\263\303\272\302\242\302\242\302\242\303\247\303\243o" UP (NetworkManager: wlp2s0-??????????o)
        MAC Address: 5c:c9:d3:6d:f3:ff (Qualcomm Atheros)
          Addresses: 10.42.0.203/24
                     fe80::5ec9:d3ff:fe6d:f3ff/64 (link)
      DNS Addresses: 10.42.0.1
             Routes: default via 10.42.0.1 metric 600 (dhcp)
                     10.42.0.0/24 from 10.42.0.203 metric 600 (link)
                     fe80::/64 metric 256

  1 inactive interfaces hidden. Use "--all" to show all.

  ----

  Those characters are decoded correctly by the netplan generator and
  netplan get. In this example it's an access-point with SSID and
  password "áéíóú¢¢¢ção". The connection works fine on both networkd and
  NetworkManager, only the rendering from netplan status seems to be
  affected.

  It was tested on Jammy with netplan.io 0.107.1-3ubuntu0.22.04.1

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