#30 - bash script for jan installation (#71)

* feature: #30 - bash script for jan installation

.gitignore

@@ -3,3 +3,4 @@
 
 # Jan inference
 jan-inference/llm/models/**
+error.log

run.sh

@@ -0,0 +1,183 @@
+#!/bin/bash
+set -e
+
+### Clean sub-processes on exit
+trap "trap - SIGTERM && kill -- -$$" SIGINT
+
+MAX_STEPS=13
+progress() {
+    local BAR_SIZE="##########"
+    local MAX_BAR_SIZE="${#BAR_SIZE}"
+    local CLEAR_LINE="\\033[K"
+    spin[0]="-"
+    spin[1]="\\"
+    spin[2]="|"
+    spin[3]="/"
+    perc=$((($3 + 1) * 100 / MAX_STEPS))
+    percBar=$((perc * MAX_BAR_SIZE / 100))
+
+    eval "$1" >/dev/null 2>error.log &
+    pid=$!
+
+    echo -ne "\\r- [$3/$MAX_STEPS] [  ] $2 ...$CLEAR_LINE\\n"
+    while kill -0 $pid >/dev/null 2>&1; do
+        for i in "${spin[@]}"; do
+            echo -ne "\\r\\033[1A- [$3/$MAX_STEPS] [$i] $2 $CLEAR_LINE\\n"
+            sleep 0.1
+        done
+    done
+    error_log="error.log"
+    if [ -s "$error_log" ] && [ $error_log != "WARNING"* ]; then
+        echo -ne "\\r\\033[1A- [$3/$MAX_STEPS] [x] $2\\n $(cat "$error_log")"
+        exit 1
+    fi
+    echo -ne "\\r\\033[1A- [$3/$MAX_STEPS] [✔] $2 $CLEAR_LINE\\n"
+}
+step=1
+
+
+### macOS setup
+if [[ "$OSTYPE" == "darwin"* ]]; then
+    MAX_STEPS=13
+    if [[ ! -x "$(command -v brew)" ]]; then
+        progress '/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"' "Installing Homebrew" 1
+    else
+        progress '' "Homebrew - Installed" $((step++))
+    fi
+
+    xcode-select -p &>/dev/null
+    if [ $? -ne 0 ]; then
+        progress 'xcode-select --install' "Installing Xcode Command Line Tools" $((step++))
+    else
+        progress '' "Xcode Command Line Tools - Installed" $((step++))
+    fi
+
+    if [[ ! -x "$(command -v git)" ]]; then
+        progress 'brew install git' "Installing Git" $((step++))
+    else
+        progress '' "Git - Installed" $((step++))
+    fi
+
+    if [[ ! -x "$(command -v wget)" ]]; then
+        progress 'brew install wget' "Installing Wget" $((step++))
+    else
+        progress '' "Wget - Installed" $((step++))
+    fi
+
+    if [[ ! -x "$(command -v docker)" ]]; then
+        progress 'brew install --cask docker' "Installing Docker" $((step++))
+    else
+        progress '' "Docker - Installed" $((step++))
+    fi
+
+    docker compose version &>/dev/null
+    if [ $? -ne 0 ] && [ ! -x "$(command -v docker-compose)" ]; then
+        progress 'brew install docker-compose' "Installing Docker Compose" $((step++))
+    else
+        progress '' "docker-compose - Installed" $((step++))
+    fi
+fi
+### 
+
+### Debian setup
+if [[ "$OSTYPE" == "linux"* ]]; then
+    MAX_STEPS=12
+    progress "sudo apt update 2>/dev/null" "Apt Updating" $((step++))
+
+    if [[ ! -x "$(command -v git)" ]]; then
+        progress 'sudo apt install git' "Installing Git" $((step++))
+    else
+        progress '' "Git - Installed" $((step++))
+    fi
+
+    if [[ ! -x "$(command -v wget)" ]]; then
+        progress 'sudo apt install wget' "Installing Wget" $((step++))
+    else
+        progress '' "Wget - Installed" $((step++))
+    fi
+
+    if [[ ! -x "$(command -v docker)" ]]; then
+        progress '/bin/bash -c "$(curl -fsSL https://get.docker.com/) 2>/dev/null"' "Installing Docker" $((step++))
+    else
+        progress '' "Docker - Installed" $((step++))
+    fi
+
+    docker compose version &>/dev/null
+    if [ $? -ne 0 ] || [ ! -x "$(command -v docker-compose)" ]; then
+        progress 'sudo apt install docker-compose' "Installing Docker Compose" $((step++))
+    else
+        progress '' "docker-compose - Installed" $((step++))
+    fi
+fi
+###
+
+### Pull Jan
+if [ -d "jan" ]; then
+    cd jan
+    progress 'git pull 2>/dev/null' "Git pull" $((step++))
+else
+    progress 'git clone --quiet https://github.com/janhq/jan' "Git clone" $((step++))
+    cd jan
+fi
+
+progress 'git submodule update --init --recursive' "Pull submodule" $((step++))
+###
+
+### Prepare environment
+progress 'cp -f sample.env .env' "Prepare .env file" $((step++))
+###
+
+### Download Model
+if [ -f "jan-inference/llm/models/llama-2-7b-chat.ggmlv3.q4_1.bin" ]; then
+    progress '' "Llama model - Installed" $((step++))
+else
+    progress 'wget https://huggingface.co/TheBloke/Llama-2-7B-Chat-GGML/resolve/main/llama-2-7b-chat.ggmlv3.q4_1.bin -P jan-inference/llm/models' "Download Llama model" $((step++))
+fi
+###
+
+### Run Llama.cpp
+# pip install llama-cpp-python[server]
+# python3 -m llama_cpp.server --model models/7B/ggml-model.bin
+###
+
+### Launch Docker & Docker compose up
+if [[ "$OSTYPE" == "darwin"* ]]; then
+    progress $'
+    if (! docker stats --no-stream 2>/dev/null ); then
+        open /Applications/Docker.app 
+        while (! docker stats --no-stream 2>/dev/null ); do
+            sleep 0.3 
+        done 
+    fi' "Waiting for docker to launch" $((step++))
+elif [[ "$OSTYPE" == "linux"* ]]; then
+    progress 'sudo service docker start 2>/dev/null' "Starting Docker Service" $((step++))
+fi
+
+docker compose version &>/dev/null
+if [[ "$OSTYPE" == "darwin"* ]]; then
+    if [ $? == 0 ]; then
+        progress 'docker compose up -d --quiet-pull --remove-orphans 2>/dev/null' "Docker compose up" $((step++))
+    elif [[ -x "$(command -v docker-compose)" ]]; then
+        progress 'docker-compose up -d --quiet-pull --remove-orphans 2>/dev/null' "Docker compose up" $((step++))
+    fi
+elif [[ "$OSTYPE" == "linux"* ]]; then
+    if [ $? == 0 ]; then
+        progress 'sudo docker compose up -d --quiet-pull --remove-orphans 2>/dev/null' "Docker compose up" $((step++))
+    elif [[ -x "$(command -v docker-compose)" ]]; then
+        progress 'sudo docker-compose up -d --quiet-pull --remove-orphans 2>/dev/null' "Docker compose up" $((step++))
+    fi
+fi
+
+###
+
+### Wait for service ready
+progress $'
+    while (true); do
+    if curl -sL -w "%{http_code}\\n" "http://localhost:3000" -o /dev/null | grep -q "200"; then
+        break
+    fi
+done
+' "Waiting for service ready" $((step++))
+###
+
+echo -ne "\\r You can now view Jan app in the browser: http://localhost:3000 \\n"