Makefile

# Set dir of Makefile to a variable to use later
MAKEPATH := $(abspath $(lastword $(MAKEFILE_LIST)))
BASEDIR := $(notdir $(patsubst %/,%,$(dir $(MAKEPATH))))

DOCKER_COMPOSE_ENV_FILE := $(abspath .env)
COMPOSE_FILES := $(wildcard *.yml)
COMPOSE_FILE_ARGS := --env-file $(DOCKER_COMPOSE_ENV_FILE) $(foreach yml,$(COMPOSE_FILES),-f $(yml))

ATTACH_COMPOSE_FILE_ARGS := $(foreach yml,$(filter-out tango.yml,$(COMPOSE_FILES)),-f $(yml))

# The default Docker network mode is tangonet.  The "host" network
# mode will make the tangodb and archiverdb ports clash,
# But we allow to overwrite it.
NETWORK_MODE ?= tangonet

# Host name through which others can reach our control interfaces.
# Needs to be resolvable from the containers and clients.
ifneq (,$(wildcard /run/WSL))
    # Microsoft Windows Subsystem for Linux
    HOSTNAME ?= host.docker.internal
else
    HOSTNAME ?= $(shell hostname -f)
endif

# Host name to which to send our container logs. Needs to be resolvable from
# the host.
LOG_HOSTNAME ?= localhost

# If the first make argument is "start" or "stop"...
ifeq (start,$(firstword $(MAKECMDGOALS)))
    SERVICE_TARGET = true
else ifeq (stop,$(firstword $(MAKECMDGOALS)))
    SERVICE_TARGET = true
else ifeq (restart,$(firstword $(MAKECMDGOALS)))
    SERVICE_TARGET = true
else ifeq (build,$(firstword $(MAKECMDGOALS)))
    SERVICE_TARGET = true
else ifeq (build-nocache,$(firstword $(MAKECMDGOALS)))
    SERVICE_TARGET = true
else ifeq (attach,$(firstword $(MAKECMDGOALS)))
    SERVICE_TARGET = true
    ifndef NETWORK_MODE
        $(error NETWORK_MODE must specify the network to attach to, e.g., make NETWORK_MODE=tangonet-powersupply ...)
    endif

    ifndef TANGO_HOST
        $(error TANGO_HOST must specify the Tango database device, e.g., make TANGO_HOST=powersupply-databaseds:10000 ...)
    endif
endif

ifdef SERVICE_TARGET
    # .. then use the rest as arguments for the make target
    SERVICE := $(wordlist 2,$(words $(MAKECMDGOALS)),$(MAKECMDGOALS))
    # ...and turn them into do-nothing targets
    $(eval $(SERVICE):;@:)
endif

#
# Never use the network=host mode when running CI jobs, and add extra
# distinguishing identifiers to the network name and container names to
# prevent collisions with jobs from the same project running at the same
# time.
#
ifneq ($(CI_JOB_ID),)
    NETWORK_MODE := tangonet-$(CI_JOB_ID)
    CONTAINER_NAME_PREFIX := $(CI_JOB_ID)-
else
    CONTAINER_NAME_PREFIX :=
    $(info Network mode cannot be host for the archiver! It won't work unless you set the env var CI_JOB_ID=local)
endif