meta: add database migrations; set up migration CLI

Signed-off-by: NotAShelf <raf@notashelf.dev>
Change-Id: I0cbc9798243134d36f788099ecc3ee5a6a6a6964

crates/common/migrations/001_initial_schema.sql

@@ -0,0 +1,151 @@
+-- Initial schema for FC
+-- Creates all core tables for the CI system
+
+-- Enable UUID extension for UUID generation
+CREATE EXTENSION IF NOT EXISTS "uuid-ossp";
+
+-- Projects: stores repository configurations
+CREATE TABLE projects (
+    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
+    name VARCHAR(255) NOT NULL UNIQUE,
+    description TEXT,
+    repository_url TEXT NOT NULL,
+    created_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW(),
+    updated_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW()
+);
+
+-- Jobsets: Contains build configurations for each project
+CREATE TABLE jobsets (
+    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
+    project_id UUID NOT NULL REFERENCES projects(id) ON DELETE CASCADE,
+    name VARCHAR(255) NOT NULL,
+    nix_expression TEXT NOT NULL,
+    enabled BOOLEAN NOT NULL DEFAULT true,
+    created_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW(),
+    updated_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW(),
+    UNIQUE(project_id, name)
+);
+
+-- Evaluations: Tracks Nix evaluation results for each jobset
+CREATE TABLE evaluations (
+    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
+    jobset_id UUID NOT NULL REFERENCES jobsets(id) ON DELETE CASCADE,
+    commit_hash VARCHAR(40) NOT NULL,
+    evaluation_time TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW(),
+    status TEXT NOT NULL CHECK (status IN ('pending', 'running', 'completed', 'failed')),
+    error_message TEXT,
+    UNIQUE(jobset_id, commit_hash)
+);
+
+-- Builds: Individual build jobs with their status
+CREATE TABLE builds (
+    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
+    evaluation_id UUID NOT NULL REFERENCES evaluations(id) ON DELETE CASCADE,
+    job_name VARCHAR(255) NOT NULL,
+    drv_path TEXT NOT NULL,
+    status TEXT NOT NULL CHECK (status IN ('pending', 'running', 'completed', 'failed', 'cancelled')),
+    started_at TIMESTAMP WITH TIME ZONE,
+    completed_at TIMESTAMP WITH TIME ZONE,
+    log_path TEXT,
+    build_output_path TEXT,
+    error_message TEXT,
+    created_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW(),
+    UNIQUE(evaluation_id, job_name)
+);
+
+-- Build products: Stores output artifacts and metadata
+CREATE TABLE build_products (
+    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
+    build_id UUID NOT NULL REFERENCES builds(id) ON DELETE CASCADE,
+    name VARCHAR(255) NOT NULL,
+    path TEXT NOT NULL,
+    sha256_hash VARCHAR(64),
+    file_size BIGINT,
+    content_type VARCHAR(100),
+    is_directory BOOLEAN NOT NULL DEFAULT false,
+    created_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW()
+);
+
+-- Build steps: Detailed build execution logs and timing
+CREATE TABLE build_steps (
+    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
+    build_id UUID NOT NULL REFERENCES builds(id) ON DELETE CASCADE,
+    step_number INTEGER NOT NULL,
+    command TEXT NOT NULL,
+    output TEXT,
+    error_output TEXT,
+    started_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW(),
+    completed_at TIMESTAMP WITH TIME ZONE,
+    exit_code INTEGER,
+    UNIQUE(build_id, step_number)
+);
+
+-- Projects indexes
+CREATE INDEX idx_projects_name ON projects(name);
+CREATE INDEX idx_projects_created_at ON projects(created_at);
+
+-- Jobsets indexes
+CREATE INDEX idx_jobsets_project_id ON jobsets(project_id);
+CREATE INDEX idx_jobsets_enabled ON jobsets(enabled);
+CREATE INDEX idx_jobsets_name ON jobsets(name);
+
+-- Evaluations indexes
+CREATE INDEX idx_evaluations_jobset_id ON evaluations(jobset_id);
+CREATE INDEX idx_evaluations_commit_hash ON evaluations(commit_hash);
+CREATE INDEX idx_evaluations_status ON evaluations(status);
+CREATE INDEX idx_evaluations_evaluation_time ON evaluations(evaluation_time);
+
+-- Builds indexes
+CREATE INDEX idx_builds_evaluation_id ON builds(evaluation_id);
+CREATE INDEX idx_builds_status ON builds(status);
+CREATE INDEX idx_builds_job_name ON builds(job_name);
+CREATE INDEX idx_builds_started_at ON builds(started_at);
+CREATE INDEX idx_builds_completed_at ON builds(completed_at);
+
+-- Build products indexes
+CREATE INDEX idx_build_products_build_id ON build_products(build_id);
+CREATE INDEX idx_build_products_name ON build_products(name);
+
+-- Build steps indexes
+CREATE INDEX idx_build_steps_build_id ON build_steps(build_id);
+CREATE INDEX idx_build_steps_started_at ON build_steps(started_at);
+
+-- Create trigger functions for updated_at timestamps
+CREATE OR REPLACE FUNCTION update_updated_at_column()
+RETURNS TRIGGER AS $$
+BEGIN
+    NEW.updated_at = NOW();
+    RETURN NEW;
+END;
+$$ language 'plpgsql';
+
+-- Create triggers for automatic updated_at updates
+CREATE TRIGGER update_projects_updated_at
+    BEFORE UPDATE ON projects
+    FOR EACH ROW EXECUTE FUNCTION update_updated_at_column();
+
+CREATE TRIGGER update_jobsets_updated_at
+    BEFORE UPDATE ON jobsets
+    FOR EACH ROW EXECUTE FUNCTION update_updated_at_column();
+
+-- Create view for active jobsets (jobsets that are enabled and belong to active projects)
+CREATE VIEW active_jobsets AS
+SELECT
+    j.*,
+    p.name as project_name,
+    p.repository_url
+FROM jobsets j
+JOIN projects p ON j.project_id = p.id
+WHERE j.enabled = true;
+
+-- Create view for build statistics
+CREATE VIEW build_stats AS
+SELECT
+    COUNT(*) as total_builds,
+    COUNT(CASE WHEN status = 'completed' THEN 1 END) as completed_builds,
+    COUNT(CASE WHEN status = 'failed' THEN 1 END) as failed_builds,
+    COUNT(CASE WHEN status = 'running' THEN 1 END) as running_builds,
+    COUNT(CASE WHEN status = 'pending' THEN 1 END) as pending_builds,
+    AVG(EXTRACT(EPOCH FROM (completed_at - started_at))) as avg_duration_seconds
+FROM builds
+WHERE started_at IS NOT NULL;