Merge pull request #71 from strykeforce/shutdownd

Add docker-built shutdownd

Author: jhh

shutdownd/.gitignore

@@ -0,0 +1 @@
+shutdownd

shutdownd/Dockerfile

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+# syntax=docker/dockerfile:1
+
+FROM j3ff/deadeye-cpp-base:latest
+LABEL maintainer=“[email protected]”
+
+WORKDIR /build
+
+COPY ./src/ /src/
+
+RUN cmake \
+    -D CMAKE_BUILD_TYPE=Release \
+    /src \
+    && make -j$(nproc)

shutdownd/Makefile

@@ -0,0 +1,39 @@
+IMAGE   := deadeye-shutdownd
+NS      ?= j3ff
+VERSION ?= $(shell git rev-parse --short HEAD)
+SERVICE := deadeye-shutdown.service
+
+.PHONY: build
+build: .built
+
+.built: Dockerfile $(SRC)
+	docker build -t $(NS)/$(IMAGE):latest -t $(NS)/$(IMAGE):$(VERSION) -f Dockerfile .
+	docker cp $(NS)/$(IMAGE):latest:/build/shutdownd ./build/
+	docker inspect -f '{{.Id}}' $(NS)/$(IMAGE):latest > $@
+
+.PHONY: push
+push: build
+	docker push $(NS)/$(IMAGE):latest
+	docker push $(NS)/$(IMAGE):$(VERSION)
+
+.PHONY: copy
+copy:
+	export ID=$(shell docker create ${NS}/${IMAGE}:latest); \
+	docker cp $$ID:build/shutdownd ./; \
+	docker rm -v $$ID
+
+.PHONY: install
+install:
+ifneq ($(shell id -u), 0)
+	@echo "You must be root to perform this action."
+else
+	cp shutdownd /usr/local/sbin/
+	cp $(SERVICE) /etc/systemd/system/
+	systemctl daemon-reload
+	systemctl enable $(SERVICE)
+	systemctl start $(SERVICE)
+endif
+
+.PHONY: clean
+clean:
+	rm -rf .built* shutdownd

shutdownd/deadeye-shutdown.service

@@ -0,0 +1,9 @@
+[Unit]
+Description=Deadeye System Shutdown Daemon
+SuccessAction=poweroff-force
+
+[Service]
+ExecStart=/usr/local/sbin/shutdownd
+
+[Install]
+WantedBy=multi-user.target

shutdownd/src/CMakeLists.txt

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+cmake_minimum_required(VERSION 3.10)
+
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+set(CMAKE_CXX_EXTENSIONS OFF)
+set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
+
+if(CMAKE_SYSTEM_PROCESSOR STREQUAL "aarch64")
+
+    add_executable(Deadeye_shutdownd
+        main.cpp
+    )
+    add_executable(Deadeye::shutdownd ALIAS Deadeye_shutdownd)
+    set_target_properties(Deadeye_shutdownd PROPERTIES
+    OUTPUT_NAME shutdownd
+    EXPORT_NAME shutdownd
+    )
+
+    target_link_libraries(Deadeye_shutdownd
+    PRIVATE
+    libgpiodcxx.a
+    libgpiod.a
+    )
+
+    include(GNUInstallDirs)
+    install(TARGETS Deadeye_shutdownd DESTINATION ${CMAKE_INSTALL_BINDIR})
+
+endif(CMAKE_SYSTEM_PROCESSOR STREQUAL "aarch64")

shutdownd/src/main.cpp

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+#include <chrono>
+#include <gpiod.hpp>
+#include <thread>
+
+int main()
+{
+  using namespace std::chrono_literals;
+  using namespace gpiod;
+
+  // deadeye::log::Configure("shutdown");
+
+  chip c{"gpiochip0", chip::OPEN_BY_NAME};
+  auto line = c.get_line(216);
+  line_request lr{"shutdownd", line_request::DIRECTION_INPUT, 0};
+  line.request(lr, 0);
+
+  int count = 0;
+  while (true)
+  {
+    int input = line.get_value();
+    // spdlog::debug("input={}", input);
+    if (input)
+      count++;
+    else
+      count = 0;
+
+    if (count == 3)
+    {
+      // spdlog::warn("Shutdown button triggered shutdown");
+      return EXIT_SUCCESS;
+    }
+
+    std::this_thread::sleep_for(1s);
+  }
+
+  return EXIT_FAILURE;
+}