Skip to content

Instantly share code, notes, and snippets.

@gabonator

gabonator/bmc_entity_manager.sh

Last active July 25, 2023 08:26
Show Gist options
  • Star 0 You must be signed in to star a gist
  • Fork 0 You must be signed in to fork a gist
  • Save gabonator/a805c77c1fcb464a767098aae9f0d8e0 to your computer and use it in GitHub Desktop.
Save gabonator/a805c77c1fcb464a767098aae9f0d8e0 to your computer and use it in GitHub Desktop.
Download ZIP
bmc entity manager setup script
Raw
bmc_entity_manager.sh
# Install BMC entity manager and activates some randomly chosen configuration
# Adds fake temperature sensor
# setup for Ubuntu 23 with GCC-13
#
set -e -x
sudo apt-get -y update
sudo apt-get -y upgrade
sudo apt-get install -y libpam0g-dev libsystemd-dev python3 python3-pip python3-inflection python3-mako python3-yaml g++-13 gcc-13 libi2c-dev libboost-all-dev libdbus-1-dev ninja-build cmake libssl-dev libtinyxml2-dev
sudo apt-get install -y libgtest-dev
sudo apt-get install -y pipx
pipx install meson
sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-13 50
sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-13 50
export CCACHE_DISABLE=1
# instal sdbusplus (required by entity manager)
git clone https://github.com/openbmc/sdbusplus.git
cd sdbusplus
pipx run meson build -Dprefix=/usr
cd build
ninja
ninja install
cd ../..
# object mapper (required by entity manager, shows "Error communicating to mapper." in journal)
git clone https://github.com/openbmc/phosphor-objmgr
cd phosphor-objmgr
pipx run meson build -Dprefix=/usr
cd build
ninja
ninja install
cd ../..
# dbus-sensors
git clone https://github.com/openbmc/dbus-sensors.git
cd dbus-sensors
cat > dbus-sensors-fakefs.patch <<- EOM
diff --git a/src/HwmonTempMain.cpp b/src/HwmonTempMain.cpp
index 9c3e473..2cd8c3f 100644
--- a/src/HwmonTempMain.cpp
+++ b/src/HwmonTempMain.cpp
@@ -354,6 +354,7 @@ void createSensors(
findFiles(root, R"(in_pressure\d*_(input|raw))", paths);
findFiles(root, R"(in_humidityrelative\d*_(input|raw))", paths);
findFiles(fs::path("/sys/class/hwmon"), R"(temp\d+_input)", paths);
+ findFiles(fs::path("/tmp/bmcfs/sys/bus/iio/devices"), R"(temp\d+_input)", paths);
// iterate through all found temp and pressure sensors,
// and try to match them with configuration
@@ -365,7 +366,7 @@ void createSensors(
fs::path device;
std::string deviceName;
- if (pathStr.starts_with("/sys/bus/iio/devices"))
+ if (pathStr.find("/sys/bus/iio/devices") != std::string::npos)
{
device = fs::canonical(directory);
deviceName = device.parent_path().stem();
@@ -495,7 +496,7 @@ void createSensors(
}
auto hwmonFile = getFullHwmonFilePath(directory.string(), "temp1",
permitSet);
- if (pathStr.starts_with("/sys/bus/iio/devices"))
+ if (pathStr.find("/sys/bus/iio/devices") != std::string::npos)
{
hwmonFile = pathStr;
}
@@ -534,7 +535,7 @@ void createSensors(
hwmonFile = getFullHwmonFilePath(directory.string(),
"temp" + std::to_string(i + 1),
permitSet);
- if (pathStr.starts_with("/sys/bus/iio/devices"))
+ if (pathStr.find("/sys/bus/iio/devices") != std::string::npos)
{
continue;
}
EOM
git apply dbus-sensors-fakefs.patch
pipx run meson build -Dprefix=/usr
cd build
ninja
ninja install
cd ../..
FAKEFS=/tmp/bmcfs
mkdir -p ${FAKEFS}/sys/bus/iio/devices
mkdir -p ${FAKEFS}/sys/devices/platform/i2c-0/10-40/iio\:device0
echo 45678 > ${FAKEFS}/sys/devices/platform/i2c-0/10-40/iio\:device0/temp1_input
ln -s ${FAKEFS}/\sys/devices/platform/i2c-0/10-40/iio\:device0 ${FAKEFS}/sys/bus/iio/devices/iio:device0
# install entity manager
git clone https://github.com/openbmc/entity-manager
cd entity-manager
pipx run meson build -Dprefix=/usr
cd build
ninja
ninja install
cd ../..
ldd `which entity-manager`
cat > xyz.openbmc_project.EntityManager.conf <<- EOM
<!DOCTYPE busconfig PUBLIC
"-//freedesktop//DTD D-BUS Bus Configuration 1.0//EN"
"http://www.freedesktop.org/standards/dbus/1.0/busconfig.dtd">
<busconfig>
<policy user="root">
<allow own="xyz.openbmc_project.EntityManager"/>
</policy>
</busconfig>
EOM
cat > org.openbmc.conf <<- EOM
<!DOCTYPE busconfig PUBLIC "-//freedesktop//DTD D-BUS Bus Configuration 1.0//EN"
"http://www.freedesktop.org/standards/dbus/1.0/busconfig.dtd">
<busconfig>
<policy context="default">
<allow own="*"/>
<allow send_destination="*"/>
</policy>
</busconfig>
EOM
sudo cp xyz.openbmc_project.EntityManager.conf /usr/share/dbus-1/system.d/xyz.openbmc_project.EntityManager.conf
sudo cp org.openbmc.conf /usr/share/dbus-1/system.d/org.openbmc.conf
# set probe to true to force entity manager to use this configuration
cat > bletchley_frontpanel.patch <<- EOM
diff --git a/bletchley_frontpanel.json b/bletchley_frontpanel1.json
index a6c7f34..df576ae 100644
--- a/bletchley_frontpanel.json
+++ b/bletchley_frontpanel1.json
@@ -88,11 +88,7 @@
}
],
"Name": "Bletchley Front Panel Board",
- "Probe": [
- "FOUND('Bletchley Baseboard')",
- "AND",
- "xyz.openbmc_project.Inventory.Decorator.Asset({'Model': 'Bletchley_FPB_SI7021'})"
- ],
+ "Probe": "TRUE",
"Type": "Board"
}
]
EOM
sudo patch /usr/share/entity-manager/configurations/bletchley_frontpanel.json bletchley_frontpanel.patch
# bmcweb
git clone https://github.com/openbmc/bmcweb
cd bmcweb
cat > bmcweb-service.patch <<- EOM
diff --git a/config/bmcweb.service.in b/config/bmcweb.service.in
index a0b6777c..0355edb9 100644
--- a/config/bmcweb.service.in
+++ b/config/bmcweb.service.in
@@ -8,7 +8,6 @@ After=network.target
ExecReload=kill -s HUP \$MAINPID
ExecStart=@MESON_INSTALL_PREFIX@/bin/bmcweb
Type=simple
-WorkingDirectory=/home/root
[Install]
WantedBy=network.target
EOM
git apply bmcweb-service.patch
pipx run meson build -Dprefix=/usr -Dinsecure-enable-redfish-query=enabled -Dinsecure-disable-auth=enabled
cd build
ninja
ninja install
cd ../..
# run services
sudo systemctl start xyz.openbmc_project.ObjectMapper
sudo systemctl start xyz.openbmc_project.EntityManager
sudo systemctl start xyz.openbmc_project.hwmontempsensor
sudo systemctl start bmcweb
echo waiting 10 seconds...
sleep 10
# show log
sudo journalctl --no-pager -xeu xyz.openbmc_project.EntityManager
sudo journalctl --no-pager -xeu xyz.openbmc_project.hwmontempsensor
sudo journalctl --no-pager -xeu bmcweb
busctl tree xyz.openbmc_project.EntityManager
# redfish test
curl -k https://localhost:18080/redfish/v1/Chassis/Bletchley_Front_Panel_Board/Thermal
echo 22000 > /tmp/bmcfs/sys/devices/platform/i2c-0/10-40/iio\:device0/temp1_input
sleep 2
curl -k https://localhost:18080/redfish/v1/Chassis/Bletchley_Front_Panel_Board/Thermal
exit 0
busctl tree xyz.openbmc_project.EntityManager
# Jul 14 08:16:02 xx-xxxxxxx-vm entity-manager[14842]: Inventory Added: Bletchley Front Panel Board
sudo journalctl --no-pager -xeu xyz.openbmc_project.EntityManager.service
# should show
# Jul 14 08:16:02 xx-xxxxxxx-vm entity-manager[14842]: Inventory Added: Bletchley Front Panel Board
busctl tree xyz.openbmc_project.EntityManager
# should show
# $ busctl tree xyz.openbmc_project.EntityManager
# └─/xyz
# └─/xyz/openbmc_project
# ├─/xyz/openbmc_project/EntityManager
# └─/xyz/openbmc_project/inventory
# └─/xyz/openbmc_project/inventory/system
# └─/xyz/openbmc_project/inventory/system/board
# └─/xyz/openbmc_project/inventory/system/board/Bletchley_Front_Panel_Board
# └─/xyz/openbmc_project/inventory/system/board/Bletchley_Front_Panel_Board/FRONT_PANEL_TEMP
#
busctl introspect xyz.openbmc_project.EntityManager /xyz/openbmc_project/inventory/system/board/Bletchley_Front_Panel_Board/FRONT_PANEL_TEMP
# should show
# $ busctl introspect xyz.openbmc_project.EntityManager /xyz/openbmc_project/inventory/system/board/Bletchley_Front_Panel_Board/FRONT_PANEL_TEMP
# NAME TYPE SIGNATURE RESULT/VALUE FLAGS
# org.freedesktop.DBus.Introspectable interface - - -
# .Introspect method - s -
# org.freedesktop.DBus.Peer interface - - -
# .GetMachineId method - s -
# .Ping method - - -
# org.freedesktop.DBus.Properties interface - - -
# .Get method ss v -
# .GetAll method s a{sv} -
# .Set method ssv - -
# .PropertiesChanged signal sa{sv}as - -
# xyz.openbmc_project.Configuration.SI7020 interface - - -
# .Address property t 64 emits-change
# .Bus property t 10 emits-change
# .Name property s "FRONT_PANEL_TEMP" emits-change
# .Name1 property s "FRONT_PANEL_HUMIDTY" emits-change
# .Type property s "SI7020" emits-change
# ...
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment