From fd15ea68e6015aa3b003b00c49998064f2dd3e3e Mon Sep 17 00:00:00 2001 From: Alan Date: Fri, 7 Jun 2024 18:22:58 +0200 Subject: [PATCH] docs: add section on how to build images with trace logs Ticket: None Changelog: None Signed-off-by: Alan --- .../01.Yocto-project-build/docs.md | 30 +++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/301.Troubleshoot/01.Yocto-project-build/docs.md b/301.Troubleshoot/01.Yocto-project-build/docs.md index 2b547d23b..560828397 100644 --- a/301.Troubleshoot/01.Yocto-project-build/docs.md +++ b/301.Troubleshoot/01.Yocto-project-build/docs.md @@ -39,6 +39,36 @@ PREFERRED_VERSION_mender-client = "master" In Yocto branches higher than 3.1 (dunfell), Mender client 3.0.0 and later will be built by default. + +## How to build an image with Mender client and connect using trace logs + +This assumes you're in the build directory of your Yocto project and bitbake has been initialized. +The snippet will change the unit files for services to start them with trace level logging. + + +``` bash +bitbake-layers create-layer meta-mender-helpers +bitbake-layers add-layer meta-mender-helpers + +mkdir -p meta-mender-helpers/recipes-helpers/mender-connect +cat > meta-mender-helpers/recipes-helpers/mender-connect/mender-connect_%.bbappend << "EOF" +do_install:append() { + sed -i "s|ExecStart=.*|ExecStart=/usr/bin/mender-connect --trace daemon|" ${D}/${systemd_unitdir}/system/mender-connect.service +} +EOF + + +mkdir -p meta-mender-helpers/recipes-helpers/mender-client +cat > meta-mender-helpers/recipes-helpers/mender-client/mender_%.bbappend << "EOF" +do_install:append() { + sed -i "s|ExecStart=.*|ExecStart=/usr/bin/mender-auth --log-level trace daemon|" ${D}/${systemd_unitdir}/system/mender-authd.service + sed -i "s|ExecStart=.*|ExecStart=/usr/bin/mender-update --log-level trace daemon|" ${D}/${systemd_unitdir}/system/mender-updated.service +} +EOF +``` + + + ## Your project is using a fork of U-Boot which conflicts with the U-Boot Mender uses When [Building a Mender Yocto Project image](../../05.Operating-System-updates-Yocto-Project/03.Build-for-demo/docs.md) for your own project and device, you encounter a build error similar to the following: