feat: add pi-agent tool type migration

- Adds pi-agent to tool_types table with terminal interface
- Includes Dockerfile template for pi.dev coding agent
- Idempotent: checks for existing entry before insert
This commit is contained in:
Alex Blank
2026-05-27 16:02:23 +02:00
parent 44dd80cb58
commit 28aa9ccf5a
@@ -0,0 +1,129 @@
import json
"""add pi agent tool type
Revision ID: 20260527_160017_add_pi_agent
Revises: f3d2dc90ba3a
Create Date: 2026-05-27T16:00:17
"""
from typing import Sequence, Union
from alembic import op
import sqlalchemy as sa
import uuid
# revision identifiers, used by Alembic.
revision: str = "20260527_160017_add_pi_agent"
down_revision: Union[str, None] = "2026_05_27_external_repos"
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None
PI_AGENT_ID = uuid.UUID("d07b8376-2151-4119-8c1d-27f792aae9a3")
def upgrade() -> None:
# Check if pi-agent already exists
conn = op.get_bind()
result = conn.execute(
sa.text("SELECT id FROM tool_types WHERE name = 'pi-agent'")
).fetchone()
if result is None:
conn.execute(
sa.text("""
INSERT INTO tool_types (
id, name, display_name, description, category,
interface_type, requires_port, default_port,
definition_type, compose_template, dockerfile_template, required_variables,
created_at, updated_at
) VALUES (
:id, :name, :display_name, :description, :category,
:interface_type, :requires_port, :default_port,
:definition_type, :compose_template, :dockerfile_template, :required_variables,
now(), now()
)
"""),
{
"id": PI_AGENT_ID,
"name": "pi-agent",
"display_name": "Pi Agent",
"description": "Pi coding agent terminal environment with nvim, ranger, and tmux",
"category": "development",
"interface_type": "terminal",
"requires_port": False,
"default_port": 0,
"definition_type": "dockerfile",
"compose_template": """services:
app:
build: .
stdin_open: true
tty: true
volumes:
- ${REPO_PATH}:/workspace
working_dir: /workspace
command: /bin/bash""",
"dockerfile_template": """# Pi Coding Agent - Terminal-based coding harness
FROM ubuntu:24.04
ENV DEBIAN_FRONTEND=noninteractive
# Install base dependencies
RUN apt-get update && apt-get install -y \\
curl \\
wget \\
git \\
neovim \\
ranger \\
tmux \\
htop \\
tree \\
jq \\
ca-certificates \\
python3 \\
python3-pip \\
build-essential \\
&& rm -rf /var/lib/apt/lists/*
# Install Node.js (required for Pi)
RUN curl -fsSL https://deb.nodesource.com/setup_20.x | bash - \\
&& apt-get install -y nodejs \\
&& rm -rf /var/lib/apt/lists/*
# Install Pi Coding Agent globally
RUN npm install -g --ignore-scripts @earendil-works/pi-coding-agent
# Create non-root user
RUN useradd -m -s /bin/bash user
WORKDIR /home/user
# Set up git
RUN git config --global init.defaultBranch main \\
&& git config --global user.email "dev@headquarter.local" \\
&& git config --global user.name "Developer"
# Create default tmux config
RUN echo 'set -g mouse on\\nset -g default-terminal "screen-256color"' > /home/user/.tmux.conf
# Create default ranger config
RUN mkdir -p /home/user/.config/ranger \\
&& echo 'set preview_files true\\nset use_preview_script true' > /home/user/.config/ranger/rc.conf
# Set up Pi config directory
RUN mkdir -p /home/user/.pi/agent
USER user
# Default to bash (Pi is invoked manually via `pi` command)
CMD ["/bin/bash"]""",
"required_variables": json.dumps(["REPO_PATH"]),
}
)
def downgrade() -> None:
conn = op.get_bind()
conn.execute(
sa.text("DELETE FROM tool_types WHERE name = 'pi-agent'")
)