Send whippet's STDERR to both the journal and the console

[arnaldo2792]

Description of changes:

Send whippet's STDERR to both the journal and the console

Testing done:

Details

[root@admin]# sheltie systemctl status whippet.service
● whippet.service - D-Bus System Message Bus
     Loaded: loaded (/x86_64-bottlerocket-linux-gnu/sys-root/usr/lib/systemd/system/whippet.service; enabled; preset: enabled)
    Drop-In: /x86_64-bottlerocket-linux-gnu/sys-root/usr/lib/systemd/system/service.d
             └─00-aws-config.conf
     Active: active (running) since Fri 2026-03-06 21:25:56 UTC; 2min 46s ago
 Invocation: 71e9e6417a0249ed8ab7275467592b4d
TriggeredBy: ● dbus.socket
   Main PID: 1518 (whippet)
      Tasks: 10 (limit: 37593)
     Memory: 6.2M (peak: 6.9M)
        CPU: 148ms
     CGroup: /system.slice/whippet.service
             ├─1518 /usr/bin/whippet
             └─1537 /usr/bin/dbus-broker --log 12 --controller 11 --machine-id ec294d8464c32b55954ee4625e3e7410 --max-bytes 536870912 --max-fds 4096 --max-matches 16384

Mar 06 21:25:56 localhost whippet[1518]: 21:25:56 [INFO] read_commands; n_commands=1
Mar 06 21:25:56 localhost whippet[1518]: 21:25:56 [INFO] Using listener socket FD: 3
Mar 06 21:25:56 localhost whippet[1518]: 21:25:56 [INFO] Setting broker listener socket and policy
Mar 06 21:25:56 localhost whippet[1518]: 21:25:56 [INFO] socket reader;
Mar 06 21:25:56 localhost whippet[1518]: 21:25:56 [INFO] read_socket;
Mar 06 21:25:56 localhost whippet[1518]: 21:25:56 [INFO] read_socket;
Mar 06 21:25:56 localhost whippet[1518]: 21:25:56 [INFO] Done setting broker listener socket and policy
Mar 06 21:25:56 localhost whippet[1518]: 21:25:56 [INFO] Policy applied successfully
Mar 06 21:25:56 localhost whippet[1518]: 21:25:56 [INFO] Notified systemd that service is ready
Mar 06 21:25:56 localhost systemd[1]: Started D-Bus System Message Bus.
[root@admin]# sheltie systemctl cat whippet.service
# /x86_64-bottlerocket-linux-gnu/sys-root/usr/lib/systemd/system/whippet.service
[Unit]
Description=D-Bus System Message Bus
DefaultDependencies=false
# Ensure the dbus user is created before starting dbus service
After=dbus.socket systemd-sysusers.service
Wants=dbus.socket systemd-sysusers.service
Before=basic.target shutdown.target
Requires=dbus.socket
Conflicts=shutdown.target

[Service]
User=dbus
Type=notify
Sockets=dbus.socket
OOMScoreAdjust=-900
LimitNOFILE=16384
ProtectSystem=full
# Disable private /tmp to avoid dependency on systemd-tmpfiles and consequently
# local-fs.target, allowing dbus to start earlier in the boot
PrivateTmp=no
PrivateDevices=true
ExecStart=/usr/bin/whippet
StandardError=journal+console

[Install]
Alias=dbus.service
WantedBy=preconfigured.target

# /x86_64-bottlerocket-linux-gnu/sys-root/usr/lib/systemd/system/service.d/00-aws-config.conf
[Service]
# Set the AWS_SDK_LOAD_CONFIG system-wide instead of at the individual service
# level, to make sure new system services that use the AWS SDK for Go read the
# shared AWS config
Environment=AWS_SDK_LOAD_CONFIG=true

Terms of contribution:

By submitting this pull request, I agree that this contribution is dual-licensed under the terms of both the Apache License, version 2.0, and the MIT license.

[bcressey]

What do the console logs show in the event of an error?

[arnaldo2792]

I'll be closing this, and provide the requested logs in a different PR.