facebook · travisb-nexthop · Jan 15, 2026 · Jan 20, 2026 · Jan 28, 2026 · Jan 29, 2026
@@ -6,6 +6,10 @@ echo "--- Executing $0 ---"
 sed -i 's/^PRETTY_NAME=.*/PRETTY_NAME="FBOSS Distro Image"/' /usr/lib/os-release
 sed -i 's/^NAME=.*/NAME="FBOSS Distro Image"/' /usr/lib/os-release
 
+# All dnf invocations with an invalid RPM repo configured will fail. Create the
+# metadata for the local_rpm_repo now to prevent that.
+createrepo /usr/local/share/local_rpm_repo
+
 # 1. Install our custom kernel RPMs
 #
 # On purpose we don't install any kernel rpms as part of
@@ -53,13 +57,16 @@ env -i \
 
 # 5. Enable systemd services
 echo "Enabling FBOSS systemd services..."
+systemctl enable fboss_init.service
+systemctl enable local_rpm_repo.service
 systemctl enable platform_manager.service
 systemctl enable data_corral_service.service
 systemctl enable fan_service.service
 systemctl enable sensor_service.service
 systemctl enable fsdb.service
 systemctl enable qsfp_service.service
-systemctl enable wedge_agent.service
+systemctl enable fboss_sw_agent.service
+systemctl enable fboss_hw_agents.target
 
 # 6. Use system GRUB 2.06 from packages
 # The grub2-efi-x64 package already provides grubx64.efi with all necessary modules

@@ -115,6 +115,7 @@
         <package name="vim"/>
         <package name="vi"/>
         <package name="btrfs-progs"/>
+        <package name="createrepo"/>
         <package name="libnl3"/>
         <package name="python3.12"/>
         <package name="nvme-cli"/>

@@ -0,0 +1,6 @@
+[local_rpm_repo]
+name=Local Platform RPM repo
+baseurl=file:///usr/local/share/local_rpm_repo
+gpgcheck=0
+metadata_expire=6h
+enabled=1
@@ -0,0 +1,34 @@
+# /usr/lib/systemd/system/fboss_hw_agent@.service
+[Unit]
+Description=FBOSS HW Agent %i
+PartOf=fboss_hw_agents.target
+After=platform_manager.service
+After=qsfp_service.service
+After=rc-local.service
+Wants=fboss_init.service
+After=fboss_init.service
+
+[Service]
+Type=simple
+LimitNOFILE=10000000
+LimitCORE=32G
+MemoryMax=3.75G
+MemorySwapMax=0
+
+Environment="PATH=/opt/fboss/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin"
+Environment="LD_LIBRARY_PATH=/opt/fboss/lib"
+WorkingDirectory=/opt/fboss
+ExecStart=/bin/bash -c 'source /opt/fboss/bin/setup_fboss_env && exec /opt/fboss/bin/fboss_hw_agent-sai_impl --switchIndex %i'
+
+Restart=always
+RestartSec=30
+TimeoutStartSec=180s
+TimeoutStopSec=30s
+
+# Logging to journald
+StandardOutput=journal
+StandardError=journal
+SyslogIdentifier=fboss_hw_agent%i
+
+[Install]
+WantedBy=multi-user.target
@@ -0,0 +1,6 @@
+[Unit]
+Description=FBOSS HW Agents Target
+Wants=fboss_hw_agent@0.service fboss_hw_agent@1.service fboss_hw_agent@2.service fboss_hw_agent@3.service
+
+[Install]
+WantedBy=multi-user.target
@@ -0,0 +1,19 @@
+# /usr/lib/systemd/system/fboss_init.service
+[Unit]
+Description=FBOSS Initialization
+DefaultDependencies=no
+Before=platform_manager.service
+After=local-fs.target
+
+[Service]
+Type=oneshot
+RemainAfterExit=yes
+ExecStart=/usr/local/bin/fboss_init.sh
+
+# Logging to journald
+StandardOutput=journal
+StandardError=journal
+SyslogIdentifier=fboss_init
+
+[Install]
+WantedBy=multi-user.target
@@ -0,0 +1,33 @@
+# /usr/lib/systemd/system/fboss_sw_agent.service
+[Unit]
+Description=FBOSS SW Agent
+After=platform_manager.service
+After=qsfp_service.service
+After=rc-local.service
+StartLimitIntervalSec=600
+StartLimitBurst=5
+
+[Service]
+Type=notify
+LimitNOFILE=10000000
+LimitCORE=32G
+MemoryMax=3.75G
+MemorySwapMax=0
+
+Environment="PATH=/opt/fboss/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin"
+Environment="LD_LIBRARY_PATH=/opt/fboss/lib"
+WorkingDirectory=/opt/fboss
+ExecStart=/bin/bash -c 'source /opt/fboss/bin/setup_fboss_env && exec /opt/fboss/bin/fboss_sw_agent'
+
+Restart=always
+RestartSec=30
+TimeoutStartSec=180s
+TimeoutStopSec=30s
+
+# Logging to journald
+StandardOutput=journal
+StandardError=journal
+SyslogIdentifier=fboss_sw_agent
+
+[Install]
+WantedBy=multi-user.target
@@ -0,0 +1,10 @@
+[Unit]
+Description=Enable local_rpm_repo
+
+[Service]
+Type=oneshot
+ExecStart=/usr/bin/createrepo /usr/local/share/local_rpm_repo
+RemainAfterExit=yes
+
+[Install]
+WantedBy=multi-user.target
@@ -8,6 +8,10 @@ Before=led_service.service
 Before=qsfp_service.service
 Before=fruid.service
 After=rc-local.service
+After=fboss_init.service
+Wants=local_rpm_repo.service
+Wants=fboss_init.service
+
 StartLimitIntervalSec=600
 StartLimitBurst=5
 

@@ -0,0 +1,109 @@
+#!/bin/bash
+# Initialize FBOSS configuration based on platform detection
+
+set -e
+
+FBOSS_SHARE="/opt/fboss/share"
+COOP_DIR="/etc/coop"
+FRUID_FILE="/var/facebook/fboss/fruid.json"
+
+log() {
+  echo "[fboss_init] $1" >&2
+}
+
+error() {
+  echo "[fboss_init] ERROR: $1" >&2
+}
+
+get_platform_dir() {
+  local platform
+  # convert the platform name to lowercase and delete spaces
+  platform=$(dmidecode -s system-product-name 2>/dev/null | tr '[:upper:]' '[:lower:]' | tr -d '[:space:]-_')
+  if [[ -z $platform ]]; then
+    error "Failed to get system-product-name from dmidecode"
+    return 1
+  fi
+  log "Detected platform: $platform"
+
+  local platform_dir="${FBOSS_SHARE}/default_configs/${platform}"
+  if [[ ! -d $platform_dir ]]; then
+    error "Platform config directory not found: $platform_dir"
+    return 1
+  fi
+  log "Using platform config directory: $platform_dir"
+
+  echo "$platform_dir"
+}
+
+copy_config() {
+  local src="$1"
+  local dst="$2"
+  local name="$3"
+
+  if [[ -e $dst ]]; then
+    log "$name already exists at $dst (skipping)"
+    return
+  fi
+
+  if [[ -f $src ]]; then
+    cp "$src" "$dst"
+    log "Copied $name: $src -> $dst"
+  else
+    log "No $name found at $src (skipping)"
+  fi
+}
+
+generate_fruid() {
+  if [[ -e $FRUID_FILE ]]; then
+    log "fruid.json already exists at $FRUID_FILE (skipping)"
+    return
+  fi
+
+  mkdir -p "$(dirname "$FRUID_FILE")"
+
+  if /opt/fboss/bin/weutil --json >"$FRUID_FILE" 2>/dev/null; then
+    log "Generated fruid.json: $FRUID_FILE"
+  else
+    error "Failed to generate fruid.json"
+    rm -f "$FRUID_FILE"
+  fi
+}
+
+setup_coop_configs() {
+  local platform_dir="$1"
+  mkdir -p "$COOP_DIR"
+  copy_config "${platform_dir}/agent.conf" "${COOP_DIR}/agent.conf" "agent.conf"
+  copy_config "${platform_dir}/qsfp.conf" "${COOP_DIR}/qsfp.conf" "qsfp.conf"
+}
+
+enable_hw_agents() {
+  local platform_dir="$1"
+  local num_hw_agents
+  if [ ! -f "${platform_dir}/num_hw_agents" ]; then
+    num_hw_agents=1
+  else
+    num_hw_agents=$(cat "${platform_dir}/num_hw_agents")
+  fi
+  for i in $(seq ${num_hw_agents}); do
+    systemctl enable "fboss_hw_agent@$((i - 1)).service"
+    # Calling systemctl start inside a starting systemd service deadlocks
+    systemctl start "fboss_hw_agent@$((i - 1)).service" &
+  done
+}
+
+main() {
+  log "Starting FBOSS initialization"
+
+  local platform_dir
+  if ! platform_dir=$(get_platform_dir); then
+    exit 1
+  fi
+
+  setup_coop_configs "$platform_dir"
+  generate_fruid
+  enable_hw_agents "$platform_dir"
+
+  log "FBOSS initialization complete"
+}
+
+main "$@"
@@ -0,0 +1,3 @@
+This directory contains RPMs which need to be installed at run-time, mostly by
+platform_manager. Common contents include BSP kmods RPMs, SAI kmods RPMs, and
+dependencies of those types of RPMs.
@@ -39,6 +39,7 @@
     RUN_SCRIPTS_DIR / "setup.py": "bin/setup.py",
     RUN_SCRIPTS_DIR / "setup_fboss_env": "bin/setup_fboss_env",
     RUN_SCRIPTS_DIR / "topology.cdf": "bin/topology.cdf",
+    RUN_CONFIGS_DIR / "default_configs": "share/default_configs",
     RUN_CONFIGS_DIR / "j2cp": "share/j2cp",
     RUN_CONFIGS_DIR / "j3b": "share/j3b",
     RUN_CONFIGS_DIR / "janga800bic": "share/janga800bic",