Issues using dbus in strict

[Sergey Borovkov]

Hi, I manually connected interfaces. But the issue is that it can't even
connect to system bus? Before trying to call any methods.

root at localhost:/home/pi# snap interfaces
Slot                                  Plug
:account-control                      -
:alsa                                 -
:autopilot-introspection              -
:bluetooth-control                    -
:browser-support                      screenly-client:browser-support-plug
:camera                               -
:classic-support                      -
:core-support                         core
:dcdbas-control                       -
:docker-support                       -
:firewall-control                     -
:framebuffer                          screenly-client
:fuse-support                         -
:hardware-observe                     -
:home                                 -
:io-ports-control                     -
:kernel-module-control                -
:locale-control                       -
:log-observe                          screenly-client
:lxd-support                          -
:mount-observe                        -
:network                              screenly-client,screenly-pi3
:network-bind                         core,screenly-client
:network-control                      -
:network-observe                      -
:network-setup-control                -
:network-setup-observe                -
:opengl                               screenly-client
:openvswitch-support                  -
:physical-memory-control              -
:physical-memory-observe              -
:ppp                                  -
:process-control                      -
:raw-usb                              -
:removable-media                      -
:shutdown                             -
:snapd-control                        -
:system-observe                       -
:system-trace                         -
:time-control                         -
:timeserver-control                   -
:timezone-control                     -
:tpm                                  -
:uhid                                 -
screenly-client:playlist-dbus-server  screenly-client:playlist-dbus-client
screenly-pi3:bcm-gpio-0               -
screenly-pi3:bcm-gpio-1               -
screenly-pi3:bcm-gpio-10              -
screenly-pi3:bcm-gpio-11              -
screenly-pi3:bcm-gpio-12              -
screenly-pi3:bcm-gpio-13              -
screenly-pi3:bcm-gpio-14              -
screenly-pi3:bcm-gpio-15              -
screenly-pi3:bcm-gpio-16              -
screenly-pi3:bcm-gpio-17              -
screenly-pi3:bcm-gpio-18              -
screenly-pi3:bcm-gpio-19              -
screenly-pi3:bcm-gpio-2               -
screenly-pi3:bcm-gpio-20              -
screenly-pi3:bcm-gpio-21              -
screenly-pi3:bcm-gpio-22              -
screenly-pi3:bcm-gpio-23              -
screenly-pi3:bcm-gpio-24              -
screenly-pi3:bcm-gpio-25              -
screenly-pi3:bcm-gpio-26              -
screenly-pi3:bcm-gpio-3               -
screenly-pi3:bcm-gpio-4               -
screenly-pi3:bcm-gpio-5               -
screenly-pi3:bcm-gpio-6               -
screenly-pi3:bcm-gpio-7               -
screenly-pi3:bcm-gpio-8               -
screenly-pi3:bcm-gpio-9               -
-                                     screenly-pi3:snapd-control


On 3 April 2017 at 16:58, Jamie Strandboge <jamie at canonical.com> wrote:

> On Fri, 2017-03-31 at 17:55 +0300, Sergey Borovkov wrote:
>
> ...
>
> > Mar 31 12:44:02 localhost.localdomain kernel: audit: type=1400
> > audit(1490964242.523:72): apparmor="DENIED" operation="connect" profile=
> > "snap.screenly-client.websocket" name="/run/dbus/system_bus_socket"
> > pid=1466 comm="python3" req
> > Mar 31 12:44:02 localhost.localdomain audit[1466]: AVC apparmor="DENIED"
> > operation="connect" profile="snap.screenly-client.websocket" name="/
> > run/dbus/system_bus_socket" pid=1466 comm="python3" requested_mask="wr"
> > denied_mask="wr"
> >
> > I am not sure if I need to use some additional interfaces - to get it
> > working under devmode I've used the following code (And I can't find
> > anything relevant in wiki):
> >
> >   playlist:
> >     command: usr/bin/playlist-service.sh
> >     daemon: simple
> >     plugs: [network-bind, network]
> >     slots: [playlist-dbus-server]
> >
> >   websocket:
> >     command: usr/bin/websocket-service.sh
> >     daemon: simple
> >     plugs: [network-bind, network, playlist-dbus-client]
> >
> > slots:
> >   playlist-dbus-server:
> >     interface: dbus
> >     name: com.screenly.playlist
> >     bus: system
> >
> > plugs:
> >   playlist-dbus-client:
> >     interface: dbus
> >     name: com.screenly.playlist
> >     bus: system
>
> You shouldn't need additional interfaces. It sounds like your interfaces
> are not
> connected. What is the output of 'snap interfaces'?
>
> --
> Jamie Strandboge             | http://www.canonical.com
>
>
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