mirror of https://bitbucket.org/ausocean/av.git
Merged in add-makefile-etc (pull request #490)
cmd/vidforward: add Makefile and service setup script Resolves issue #387
This commit is contained in:
Saxon Milton
commit
2faec86eb8
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# NB: The default (soft) install does not override existing installation files.
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USER := $(shell whoami)
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PATH := /usr/local/go/bin:$(PATH)
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BIN_NAME := vidforward
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BIN_DIR := /src/bitbucket.org/ausocean/av/cmd/$(BIN_NAME)
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RUN_SCRIPT_DIR := $(BIN_DIR)
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.SILENT:soft_copy_files
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.SILENT:hard_copy_files
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.SILENT:clean
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rebuild:
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chmod +x run.sh
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cd ../cmd/$(BIN_NAME); go build
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install: as_root soft_copy_files rebuild
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@echo "Install complete"
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install_hard: as_root hard_copy_files set_mac rebuild
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@echo "Hard install complete"
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as_root:
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ifneq ($(USER),root)
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$(error Must run as superuser!)
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endif
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soft_copy_files:
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if [ -f /etc/systemd/system/$(BIN_NAME).service ] ; then \
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echo "/etc/systemd/system/$(BIN_NAME).service left unmodified" ; \
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else \
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bash create_service.sh $(RUN_SCRIPT_DIR) $(BIN_DIR); \
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fi
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systemctl enable $(BIN_NAME).service
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hard_copy_files:
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if [ -f /etc/systemd/system/$(BIN_NAME).service ] ; then \
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echo "/etc/systemd/system/$(BIN_NAME).service overwritten" ; \
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fi
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bash create_service.sh $(RUN_SCRIPT_DIR) $(BIN_DIR)
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systemctl enable $(BIN_NAME).service
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clean: as_root
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rm -rf /var/log/vidforward
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rm -rf /etc/systemd/system/$(BIN_NAME).service
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@echo "Clean complete"
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#!/bin/bash
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# This script is utilised by Makefile for creation of a systemd service. The
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# service lines are stored in a string allowing us to substitute the GOPATH into
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# the ExecStart path of the service file.
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if [ $# -ne 2 ]; then
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echo "incorrect number of arguments, expected run script and binary directories"
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exit 1
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fi
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# This corresponds to the path, relative to the GOPATH, of the run script that
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# will be used by the service e.g. "/src/bitbucket.org/ausocean/av/cmd/vidforward/run.sh"
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run_script_dir=$1
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# This corresponds to the binary dir. e.g. /src/bitbucket.org/ausocean/av/cmd/vidforward.
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bin_dir=$2
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# Get the bin name (assuming this is at the end of the bin_dir).
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bin_name=$(basename $bin_dir)
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# First find the user that corresponds to this path (which is assumed to be at the
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# base of the current working directory).
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in=$(pwd)
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arr_in=(${in//// })
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gopath_user=${arr_in[1]}
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# We can now form the gopath from the obtained user.
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gopath="/home/$gopath_user/go"
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# Here are the lines that will go into the rv.service file. We'll set the
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# ExecStart field as the GOPATH we've obtained + the passed run script dir.
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service="
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[Unit]
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Description=vidforward service for forwarding video to youtube
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[Service]
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Type=simple
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ExecStart=$gopath$run_script_dir $gopath_user $bin_dir
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WatchdogSec=30s
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Restart=on-failure
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[Install]
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WantedBy=multi-user.target
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"
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# The service name will just use the bin name.
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service_name="$bin_name.service"
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# Now overwrite the service if it exists, or create the service then write.
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service_dir=/etc/systemd/system/$service_name
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if [ -f $service_dir ]; then
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echo "$service" > $service_dir
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else
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touch $service_dir
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echo "$service" > $service_dir
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fi
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#!/bin/bash -e
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# This script launches vidforward. This is used by the service file.
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# Check that we have the correct number of arguments passed.
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if [ $# -ne 2 ]; then
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echo "incorrect number of arguments, expected gopath user and binary directory"
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exit 1
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fi
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# This is the user in the GOPATH e.g. for /home/foo/go the user is foo.
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gopath_user=$1
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# This is the dir of the binary from the GOPATH e.g. /src/bitbucket.org/ausocean/av/cmd/vidforward.
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bin_dir=$2
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# We'll get the bin name from the bin dir (assuming this is same as the bin dir name).
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bin_name=$(basename $bin_dir)
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# the following required directories _should_ already exist
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if [ ! -d /var/log/vidforward ]; then
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sudo mkdir /var/log/vidforward
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chmod guo+rwx /var/log/vidforward
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fi
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# show IP addresses
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echo Our IP addresses:
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sudo ip addr show | grep inet
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# capture stdout and stderr to a secondary log file (just in case)
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exec 2> /var/log/vidforward/stream.log
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exec 1>&2
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# Now set all required variables.
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HOME=/home/$gopath_user
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GOPATH=$HOME/go
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VIDFORWARD_PATH=$GOPATH$bin_dir
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PATH=$PATH:/usr/local/go/bin:$VIDFORWARD_PATH
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cd $VIDFORWARD_PATH
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sudo -u $gopath_user HOME=$HOME GOPATH=$GOPATH PATH=$PATH ./$bin_name
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if [ $? -eq 0 ]
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then
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echo "Successfully exited vidforward"
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exit 0
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else
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echo "vidforward exited with code: $?" >&2
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exit 1
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fi
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