SMP server linode StackScript (#147)

scripts/smp-server-linode.sh

@@ -0,0 +1,71 @@
+#!/bin/bash
+# <UDF name="enable_store_log" label="Store log - persists SMP queues to append only log and restores them upon server restart." default="on" oneof="on, off" />
+# <UDF name="api_token" label="Linode API token - enables StackScript to create tags containing SMP server domain/ip address, transport key hash and server version. Use "hostname#hash" as SMP server address in the client. Note: minimal permissions token should have are the following: Account - read/write, Linodes - read/write." default="" />
+# <UDF name="domain_address" label="If provided can be used instead of ip address." default="" />
+
+# log all stdout output to stackscript.log
+exec &> >(tee -i /var/log/stackscript.log)
+# enable debugging features
+set -xeo pipefail
+
+cd $HOME
+
+sudo apt-get update -y
+sudo apt-get install -y jq
+
+# retrieve latest release info and download smp-server executable
+curl -s https://api.github.com/repos/simplex-chat/simplexmq/releases/latest > release.json
+jq '.assets[].browser_download_url | select(test("smp-server-ubuntu-20_04-x86-64"))' release.json \
+| tr -d \" \
+| wget -qi -
+
+# move smp-server executable to /opt/simplex/bin
+mkdir -p /opt/simplex/bin
+mv smp-server-ubuntu-20_04-x86-64 /opt/simplex/bin/smp-server
+chmod +x /opt/simplex/bin/smp-server
+
+# add /opt/simplex/bin to $PATH
+cat <<EOT >> /etc/profile.d/simplex.sh
+#!/bin/bash
+
+export PATH="$PATH:/opt/simplex/bin"
+
+EOT
+source /etc/profile.d/simplex.sh
+
+# initialize SMP server
+mkdir -p /etc/opt/simplex
+mkdir -p /var/opt/simplex
+init_opts=()
+[[ $ENABLE_STORE_LOG == "on" ]] && init_opts+=(-l)
+smp-server init "${init_opts[@]}" > simplex.conf
+
+# prepare tags
+ip_address=$(curl ifconfig.me)
+address=$([[ -z "$DOMAIN_ADDRESS" ]] && echo $ip_address || echo $DOMAIN_ADDRESS)
+hash=$(cat simplex.conf | grep hash: | cut -f2 -d":" | xargs)
+release_version=$(jq '.tag_name' release.json | tr -d \")
+
+# update linode's tags
+curl -H "Content-Type: application/json" \
+     -H "Authorization: Bearer $API_TOKEN" \
+     -X PUT -d "{\"tags\":[\"$address\",\"#$hash\",\"$release_version\"]}" \
+     https://api.linode.com/v4/linode/instances/$LINODE_ID
+
+# create, enable and start SMP server systemd service
+cat <<EOT >> /etc/systemd/system/smp-server.service
+[Unit]
+Description=SMP server systemd service
+
+[Service]
+Type=simple
+ExecStart=/bin/sh -c "/opt/simplex/bin/smp-server start"
+
+[Install]
+WantedBy=multi-user.target
+
+EOT
+
+chmod 644 /etc/systemd/system/smp-server.service
+sudo systemctl enable smp-server
+sudo systemctl start smp-server