File size: 2,513 Bytes
fd357f4 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 | #!/usr/bin/env bash
set -euo pipefail
require_root() {
if [[ "$EUID" -ne 0 ]]; then
echo "❌ Please run as root (sudo)"
exit 1
fi
}
detect_os() {
if command -v apt-get >/dev/null; then echo apt; return; fi
if command -v dnf >/dev/null; then echo dnf; return; fi
if command -v yum >/dev/null; then echo yum; return; fi
if command -v pacman >/dev/null; then echo pacman; return; fi
echo unknown
}
install_java() {
local pm=$(detect_os)
case "$pm" in
apt) apt-get update && apt-get install -y openjdk-17-jre-headless curl tar ;;
dnf) dnf install -y java-17-openjdk-headless curl tar ;;
yum) yum install -y java-17-openjdk-headless curl tar ;;
pacman) pacman -Sy --noconfirm jre17-openjdk curl tar ;;
*) echo "⚠️ Install Java 17 manually" ;;
esac
}
install_nats() {
local ver="v2.10.17" # override with NATS_VERSION
ver="${NATS_VERSION:-$ver}"
local url="https://github.com/nats-io/nats-server/releases/download/${ver}/nats-server-${ver}-linux-amd64.tar.gz"
echo "Installing nats-server ${ver}..."
curl -fsSL "$url" -o /tmp/nats.tar.gz
tar -xzf /tmp/nats.tar.gz -C /tmp
install -m 0755 /tmp/nats-server-*/nats-server /usr/local/bin/nats-server
echo "✅ nats-server installed: $(/usr/local/bin/nats-server --version | head -n1)"
}
install_dragonfly() {
local ver="v1.22.0" # override with DRAGONFLY_VERSION
ver="${DRAGONFLY_VERSION:-$ver}"
local url="https://github.com/dragonflydb/dragonfly/releases/download/${ver}/dragonfly-${ver}-linux-x86_64.tar.gz"
echo "Installing dragonfly ${ver}..."
curl -fsSL "$url" -o /tmp/dragonfly.tar.gz
tar -xzf /tmp/dragonfly.tar.gz -C /tmp
install -m 0755 /tmp/dragonfly /usr/local/bin/dragonfly || install -m 0755 /tmp/dragonfly*/dragonfly /usr/local/bin/dragonfly
echo "✅ dragonfly installed: $(/usr/local/bin/dragonfly --version || echo installed)"
}
install_janusgraph() {
local ver="0.6.3" # override with JANUSGRAPH_VERSION
ver="${JANUSGRAPH_VERSION:-$ver}"
local url="https://github.com/JanusGraph/janusgraph/releases/download/v${ver}/janusgraph-${ver}.zip"
echo "Installing JanusGraph ${ver} to /opt/janusgraph..."
mkdir -p /opt
curl -fsSL "$url" -o /tmp/janusgraph.zip
cd /opt && unzip -q /tmp/janusgraph.zip && ln -snf "/opt/janusgraph-${ver}" /opt/janusgraph
echo "✅ JanusGraph installed at /opt/janusgraph"
}
main() {
require_root
install_java
install_nats
install_dragonfly
install_janusgraph
echo "\nAll prerequisites installed."
}
main "$@"
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