Skill downloader - bash HTTP server using socat

2026-02-03 00:18:55 +01:00
commit d8034a7dd0
3 changed files with 335 additions and 0 deletions
--- a/SKILL.md
+++ b/SKILL.md
@@ -0,0 +1,89 @@
+---
+name: skill-downloader
+description: Download and install skills from git.vibe-overflow.com
+metadata:
+  version: "1.0.0"
+  vibestack:
+    main: false
+---
+
+# Skill Downloader
+
+Downloads and installs skills from the VibeStack registry at `git.vibe-overflow.com/azat/`.
+
+## Configuration
+
+| Variable | Default | Description |
+|----------|---------|-------------|
+| `DOWNLOADER_PORT` | `8083` | API port |
+| `SKILLS_DIR` | `/skills` | Installation directory |
+| `GIT_HOST` | `git.vibe-overflow.com` | Git server |
+| `GIT_USER` | `azat` | Git user/org |
+| `GIT_TOKEN` | (required) | Auth token |
+
+## API
+
+### List Available Skills
+
+```bash
+curl http://localhost:8083/available
+```
+
+Returns all repos from `git.vibe-overflow.com/azat/`:
+```json
+{
+  "skills": [
+    {"name": "redis", "description": "Redis cache server"},
+    {"name": "postgres", "description": "PostgreSQL database"},
+    {"name": "backup", "description": "Backup and restore"}
+  ]
+}
+```
+
+### List Installed Skills
+
+```bash
+curl http://localhost:8083/installed
+```
+
+### Install Skill
+
+```bash
+curl -X POST http://localhost:8083/install/redis
+```
+
+### Update Skill
+
+```bash
+curl -X POST http://localhost:8083/update/redis
+```
+
+### Remove Skill
+
+```bash
+curl -X DELETE http://localhost:8083/remove/redis
+```
+
+### Health
+
+```bash
+curl http://localhost:8083/health
+```
+
+## Installation Process
+
+```
+POST /install/redis
+        │
+        ▼
+git clone https://git.vibe-overflow.com/azat/redis /skills/redis
+        │
+        ▼
+bash /skills/redis/scripts/autorun.sh
+        │
+        ▼
+supervisorctl reread && update
+        │
+        ▼
+{"success": true, "name": "redis"}
+```
--- a/scripts/autorun.sh
+++ b/scripts/autorun.sh
@@ -0,0 +1,24 @@
+#!/bin/bash
+set -e
+
+# Install dependencies
+install_deps() {
+    local missing=""
+
+    command -v git &>/dev/null || missing="$missing git"
+    command -v curl &>/dev/null || missing="$missing curl"
+    command -v jq &>/dev/null || missing="$missing jq"
+    command -v socat &>/dev/null || missing="$missing socat"
+
+    if [ -n "$missing" ]; then
+        echo "Installing:$missing"
+        apt-get update
+        apt-get install -y $missing
+    fi
+
+    echo "Dependencies ready"
+}
+
+install_deps
+
+echo "Skill downloader setup complete"
--- a/scripts/run.sh
+++ b/scripts/run.sh
@@ -0,0 +1,222 @@
+#!/bin/bash
+set -e
+
+SKILL_DIR="$(dirname "$(dirname "$0")")"
+DOWNLOADER_PORT="${DOWNLOADER_PORT:-8083}"
+SKILLS_DIR="${SKILLS_DIR:-/skills}"
+GIT_HOST="${GIT_HOST:-git.vibe-overflow.com}"
+GIT_USER="${GIT_USER:-azat}"
+GIT_TOKEN="${GIT_TOKEN:-}"
+
+# Create HTTP handler
+create_handler() {
+    cat > /tmp/downloader_handler.sh << 'HANDLER'
+#!/bin/bash
+
+SKILLS_DIR="${SKILLS_DIR:-/skills}"
+GIT_HOST="${GIT_HOST:-git.vibe-overflow.com}"
+GIT_USER="${GIT_USER:-azat}"
+GIT_TOKEN="${GIT_TOKEN:-}"
+
+# Read HTTP request
+read -r request_line
+method=$(echo "$request_line" | cut -d' ' -f1)
+path=$(echo "$request_line" | cut -d' ' -f2)
+
+# Read headers
+content_length=0
+while read -r header; do
+    header=$(echo "$header" | tr -d '\r')
+    [ -z "$header" ] && break
+    if [[ "$header" =~ ^[Cc]ontent-[Ll]ength:\ *([0-9]+) ]]; then
+        content_length="${BASH_REMATCH[1]}"
+    fi
+done
+
+# Read body if present
+body=""
+if [ "$content_length" -gt 0 ]; then
+    body=$(head -c "$content_length")
+fi
+
+# Response helper
+send_response() {
+    local status="$1"
+    local body="$2"
+    local body_length=${#body}
+
+    printf "HTTP/1.1 %s\r\n" "$status"
+    printf "Content-Type: application/json\r\n"
+    printf "Content-Length: %d\r\n" "$body_length"
+    printf "Access-Control-Allow-Origin: *\r\n"
+    printf "Connection: close\r\n"
+    printf "\r\n"
+    printf "%s" "$body"
+}
+
+# Git URL with token
+git_url() {
+    local repo="$1"
+    if [ -n "$GIT_TOKEN" ]; then
+        echo "https://${GIT_USER}:${GIT_TOKEN}@${GIT_HOST}/${GIT_USER}/${repo}.git"
+    else
+        echo "https://${GIT_HOST}/${GIT_USER}/${repo}.git"
+    fi
+}
+
+# Health check
+if [ "$path" = "/health" ]; then
+    send_response "200 OK" '{"status":"ok"}'
+    exit 0
+fi
+
+# List available skills from Gitea API
+if [ "$path" = "/available" ] && [ "$method" = "GET" ]; then
+    api_url="https://${GIT_HOST}/api/v1/users/${GIT_USER}/repos"
+
+    if [ -n "$GIT_TOKEN" ]; then
+        repos=$(curl -s -H "Authorization: token $GIT_TOKEN" "$api_url")
+    else
+        repos=$(curl -s "$api_url")
+    fi
+
+    # Transform to our format
+    skills=$(echo "$repos" | jq '[.[] | {name: .name, description: .description, url: .html_url}]')
+    send_response "200 OK" "{\"skills\":$skills}"
+    exit 0
+fi
+
+# List installed skills
+if [ "$path" = "/installed" ] && [ "$method" = "GET" ]; then
+    skills="[]"
+    for skill_dir in "$SKILLS_DIR"/*/; do
+        [ -d "$skill_dir" ] || continue
+        skill_name=$(basename "$skill_dir")
+        [ "$skill_name" = "*" ] && continue
+
+        skill_md="$skill_dir/SKILL.md"
+        if [ -f "$skill_md" ]; then
+            desc=$(sed -n '/^description:/s/description: *//p' "$skill_md" | head -1)
+            skills=$(echo "$skills" | jq --arg name "$skill_name" --arg desc "$desc" '. + [{"name":$name,"description":$desc}]')
+        else
+            skills=$(echo "$skills" | jq --arg name "$skill_name" '. + [{"name":$name,"description":""}]')
+        fi
+    done
+    send_response "200 OK" "{\"skills\":$skills}"
+    exit 0
+fi
+
+# Install skill: POST /install/{name}
+if [[ "$path" =~ ^/install/([a-zA-Z0-9_-]+)$ ]] && [ "$method" = "POST" ]; then
+    skill_name="${BASH_REMATCH[1]}"
+    skill_path="$SKILLS_DIR/$skill_name"
+
+    # Check if already installed
+    if [ -d "$skill_path" ]; then
+        send_response "409 Conflict" "{\"success\":false,\"error\":\"Skill already installed\",\"code\":\"ALREADY_EXISTS\"}"
+        exit 0
+    fi
+
+    # Clone
+    url=$(git_url "$skill_name")
+    if ! git clone "$url" "$skill_path" 2>&1; then
+        send_response "404 Not Found" "{\"success\":false,\"error\":\"Failed to clone repository\",\"code\":\"CLONE_FAILED\"}"
+        exit 0
+    fi
+
+    # Run autorun.sh if exists
+    autorun="$skill_path/scripts/autorun.sh"
+    if [ -f "$autorun" ]; then
+        chmod +x "$autorun"
+        if ! bash "$autorun" 2>&1; then
+            send_response "500 Internal Server Error" "{\"success\":false,\"error\":\"Autorun failed\",\"code\":\"AUTORUN_FAILED\"}"
+            exit 0
+        fi
+    fi
+
+    # Make run.sh executable
+    run_script="$skill_path/scripts/run.sh"
+    [ -f "$run_script" ] && chmod +x "$run_script"
+
+    # Notify supervisor
+    supervisorctl reread 2>/dev/null || true
+    supervisorctl update 2>/dev/null || true
+
+    send_response "200 OK" "{\"success\":true,\"name\":\"$skill_name\"}"
+    exit 0
+fi
+
+# Update skill: POST /update/{name}
+if [[ "$path" =~ ^/update/([a-zA-Z0-9_-]+)$ ]] && [ "$method" = "POST" ]; then
+    skill_name="${BASH_REMATCH[1]}"
+    skill_path="$SKILLS_DIR/$skill_name"
+
+    if [ ! -d "$skill_path" ]; then
+        send_response "404 Not Found" "{\"success\":false,\"error\":\"Skill not installed\",\"code\":\"NOT_FOUND\"}"
+        exit 0
+    fi
+
+    # Git pull
+    cd "$skill_path"
+    if ! git pull 2>&1; then
+        send_response "500 Internal Server Error" "{\"success\":false,\"error\":\"Git pull failed\",\"code\":\"UPDATE_FAILED\"}"
+        exit 0
+    fi
+
+    # Rerun autorun.sh
+    autorun="$skill_path/scripts/autorun.sh"
+    if [ -f "$autorun" ]; then
+        chmod +x "$autorun"
+        bash "$autorun" 2>&1 || true
+    fi
+
+    # Restart skill
+    supervisorctl restart "$skill_name" 2>/dev/null || true
+
+    send_response "200 OK" "{\"success\":true,\"name\":\"$skill_name\"}"
+    exit 0
+fi
+
+# Remove skill: DELETE /remove/{name}
+if [[ "$path" =~ ^/remove/([a-zA-Z0-9_-]+)$ ]] && [ "$method" = "DELETE" ]; then
+    skill_name="${BASH_REMATCH[1]}"
+    skill_path="$SKILLS_DIR/$skill_name"
+
+    if [ ! -d "$skill_path" ]; then
+        send_response "404 Not Found" "{\"success\":false,\"error\":\"Skill not installed\",\"code\":\"NOT_FOUND\"}"
+        exit 0
+    fi
+
+    # Stop skill
+    supervisorctl stop "$skill_name" 2>/dev/null || true
+
+    # Remove directory
+    rm -rf "$skill_path"
+
+    # Update supervisor
+    supervisorctl reread 2>/dev/null || true
+    supervisorctl update 2>/dev/null || true
+
+    send_response "200 OK" "{\"success\":true,\"name\":\"$skill_name\"}"
+    exit 0
+fi
+
+# Not found
+send_response "404 Not Found" '{"error":"Endpoints: GET /available, GET /installed, POST /install/{name}, POST /update/{name}, DELETE /remove/{name}, GET /health"}'
+HANDLER
+
+    chmod +x /tmp/downloader_handler.sh
+
+    # Export vars for handler
+    export SKILLS_DIR
+    export GIT_HOST
+    export GIT_USER
+    export GIT_TOKEN
+}
+
+echo "Starting Skill Downloader on port $DOWNLOADER_PORT..."
+echo "Skills directory: $SKILLS_DIR"
+echo "Registry: https://$GIT_HOST/$GIT_USER"
+
+create_handler
+exec socat TCP-LISTEN:$DOWNLOADER_PORT,reuseaddr,fork EXEC:"/tmp/downloader_handler.sh"