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# penguins.lan — build and OpenRC install.
#
# make build the binary into build/
# make install stage the deploy tree into /opt/penguins.lan
# make openrc install the service (init.d + conf.d + user), then:
# rc-update add penguins default && rc-service penguins start
#
# install/openrc need root. Override any var, e.g. `make install APPDIR=/srv/penguins`.
APP := penguins
BUILD_DIR := build
APPDIR ?= /opt/penguins.lan
INITDIR ?= /etc/init.d
CONFDIR ?= /etc/conf.d
SVC_USER ?= penguins
SVC_GROUP ?= penguins
DESTDIR ?=
GO ?= go
LDFLAGS ?= -s -w
# go-sqlite3 is a cgo package, so cgo must stay on.
CGO_ENABLED ?= 1
.PHONY: all build install openrc uninstall clean
all: build
build:
@mkdir -p $(BUILD_DIR)
CGO_ENABLED=$(CGO_ENABLED) $(GO) build -trimpath -ldflags '$(LDFLAGS)' -o $(BUILD_DIR)/$(APP) .
# Stage the binary and the assets it resolves relative to its working directory
# (templates/, static/, db/) into the service's deploy tree. Leaves any existing
# .env and db/ contents untouched.
install: build
install -d $(DESTDIR)$(APPDIR) $(DESTDIR)$(APPDIR)/db
install -m 0755 $(BUILD_DIR)/$(APP) $(DESTDIR)$(APPDIR)/$(APP)
rm -rf $(DESTDIR)$(APPDIR)/templates $(DESTDIR)$(APPDIR)/static
cp -r templates static $(DESTDIR)$(APPDIR)/
@echo "staged in $(DESTDIR)$(APPDIR) — run 'make openrc' to set up the service"
# Install the OpenRC service: create the system user/group, drop the init script
# and (if absent) the conf.d defaults, and hand the deploy tree to the service
# user. After this: rc-update add penguins default && rc-service penguins start.
openrc:
@getent group $(SVC_GROUP) >/dev/null 2>&1 || addgroup -S $(SVC_GROUP) 2>/dev/null || groupadd -r $(SVC_GROUP)
@getent passwd $(SVC_USER) >/dev/null 2>&1 || \
adduser -S -D -H -s /sbin/nologin -G $(SVC_GROUP) $(SVC_USER) 2>/dev/null || \
useradd -r -g $(SVC_GROUP) -d $(APPDIR) -s /sbin/nologin $(SVC_USER)
install -Dm 0755 init.d/penguins $(DESTDIR)$(INITDIR)/penguins
@if [ -f $(DESTDIR)$(CONFDIR)/penguins ]; then \
echo "keeping existing $(DESTDIR)$(CONFDIR)/penguins"; \
else \
install -Dm 0644 conf.d/penguins $(DESTDIR)$(CONFDIR)/penguins; \
fi
@chown -R $(SVC_USER):$(SVC_GROUP) $(DESTDIR)$(APPDIR) 2>/dev/null || true
@echo "service installed. enable it with:"
@echo " rc-update add penguins default && rc-service penguins start"
uninstall:
-rc-service penguins stop 2>/dev/null
-rc-update del penguins 2>/dev/null
rm -f $(DESTDIR)$(INITDIR)/penguins
@echo "removed the init script; left $(CONFDIR)/penguins and $(APPDIR) in place"
clean:
rm -rf $(BUILD_DIR)
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