mirror of
https://github.com/Dvorinka/Containr.git
synced 2026-06-03 20:12:58 +00:00
Tomas Dvorak
261 lines
9.8 KiB
PL/PgSQL
261 lines
9.8 KiB
PL/PgSQL
-- Database Services Migration
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-- This migration creates tables for managed database services
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-- Database Services table
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CREATE TABLE IF NOT EXISTS database_services (
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id VARCHAR(255) PRIMARY KEY,
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user_id VARCHAR(255) NOT NULL,
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name VARCHAR(255) NOT NULL,
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type VARCHAR(50) NOT NULL CHECK (type IN ('postgresql', 'redis', 'mysql')),
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status VARCHAR(50) NOT NULL DEFAULT 'building' CHECK (status IN ('running', 'stopped', 'building', 'error')),
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version VARCHAR(50) NOT NULL,
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plan VARCHAR(50) NOT NULL CHECK (plan IN ('hobby', 'starter', 'standard', 'business')),
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region VARCHAR(50) NOT NULL,
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connection_url TEXT,
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created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
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updated_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
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CONSTRAINT fk_database_user FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE
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);
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-- Database Backups table
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CREATE TABLE IF NOT EXISTS database_backups (
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id VARCHAR(255) PRIMARY KEY,
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database_id VARCHAR(255) NOT NULL,
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size VARCHAR(50) NOT NULL,
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status VARCHAR(50) NOT NULL DEFAULT 'in_progress' CHECK (status IN ('completed', 'failed', 'in_progress')),
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backup_path TEXT,
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created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
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completed_at TIMESTAMP WITH TIME ZONE,
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CONSTRAINT fk_backup_database FOREIGN KEY (database_id) REFERENCES database_services(id) ON DELETE CASCADE
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);
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-- Database Settings table
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CREATE TABLE IF NOT EXISTS database_settings (
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database_id VARCHAR(255) PRIMARY KEY,
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max_connections INTEGER DEFAULT 100,
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timeout INTEGER DEFAULT 30,
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ssl_enabled BOOLEAN DEFAULT true,
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logging_enabled BOOLEAN DEFAULT true,
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retention_days INTEGER DEFAULT 30,
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backup_enabled BOOLEAN DEFAULT true,
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next_backup_time TIMESTAMP WITH TIME ZONE,
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last_backup_time TIMESTAMP WITH TIME ZONE,
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CONSTRAINT fk_settings_database FOREIGN KEY (database_id) REFERENCES database_services(id) ON DELETE CASCADE
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);
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-- Database Metrics table for storing historical metrics
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CREATE TABLE IF NOT EXISTS database_metrics (
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id SERIAL PRIMARY KEY,
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database_id VARCHAR(255) NOT NULL,
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cpu_usage DECIMAL(5,2),
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memory_usage DECIMAL(5,2),
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storage_usage DECIMAL(5,2),
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active_connections INTEGER,
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read_iops INTEGER,
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write_iops INTEGER,
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network_in_mbps DECIMAL(8,2),
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network_out_mbps DECIMAL(8,2),
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recorded_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
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CONSTRAINT fk_metrics_database FOREIGN KEY (database_id) REFERENCES database_services(id) ON DELETE CASCADE
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);
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-- Create indexes for better performance
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CREATE INDEX IF NOT EXISTS idx_database_services_user_id ON database_services(user_id);
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CREATE INDEX IF NOT EXISTS idx_database_services_type ON database_services(type);
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CREATE INDEX IF NOT EXISTS idx_database_services_status ON database_services(status);
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CREATE INDEX IF NOT EXISTS idx_database_services_created_at ON database_services(created_at);
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CREATE INDEX IF NOT EXISTS idx_database_backups_database_id ON database_backups(database_id);
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CREATE INDEX IF NOT EXISTS idx_database_backups_created_at ON database_backups(created_at);
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CREATE INDEX IF NOT EXISTS idx_database_backups_status ON database_backups(status);
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CREATE INDEX IF NOT EXISTS idx_database_metrics_database_id ON database_metrics(database_id);
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CREATE INDEX IF NOT EXISTS idx_database_metrics_recorded_at ON database_metrics(recorded_at);
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-- Create trigger to update updated_at timestamp
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CREATE OR REPLACE FUNCTION update_updated_at_column()
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RETURNS TRIGGER AS $$
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BEGIN
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NEW.updated_at = NOW();
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RETURN NEW;
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END;
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$$ language 'plpgsql';
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DO $$
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BEGIN
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IF NOT EXISTS (SELECT 1 FROM pg_trigger WHERE tgname = 'update_database_services_updated_at') THEN
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CREATE TRIGGER update_database_services_updated_at
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BEFORE UPDATE ON database_services
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FOR EACH ROW
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EXECUTE FUNCTION update_updated_at_column();
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END IF;
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END $$;
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-- Insert default settings for existing databases (if any)
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INSERT INTO database_settings (database_id)
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SELECT id FROM database_services
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WHERE id NOT IN (SELECT database_id FROM database_settings);
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-- Create view for database statistics
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CREATE OR REPLACE VIEW database_stats AS
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SELECT
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ds.id,
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ds.name,
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ds.type,
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ds.status,
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ds.plan,
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ds.region,
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ds.created_at,
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ds.updated_at,
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COUNT(db.id) as backup_count,
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MAX(db.created_at) as last_backup_time,
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dm.cpu_usage as latest_cpu,
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dm.memory_usage as latest_memory,
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dm.storage_usage as latest_storage,
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dm.active_connections as latest_connections,
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dm.recorded_at as metrics_updated_at
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FROM database_services ds
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LEFT JOIN database_backups db ON ds.id = db.database_id AND db.status = 'completed'
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LEFT JOIN database_metrics dm ON ds.id = dm.database_id
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LEFT JOIN LATERAL (
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SELECT cpu_usage, memory_usage, storage_usage, active_connections, recorded_at
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FROM database_metrics
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WHERE database_id = ds.id
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ORDER BY recorded_at DESC
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LIMIT 1
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) dm ON true
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GROUP BY ds.id, ds.name, ds.type, ds.status, ds.plan, ds.region, ds.created_at, ds.updated_at,
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dm.cpu_usage, dm.memory_usage, dm.storage_usage, dm.active_connections, dm.recorded_at;
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-- Add RLS (Row Level Security) policies
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ALTER TABLE database_services ENABLE ROW LEVEL SECURITY;
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ALTER TABLE database_backups ENABLE ROW LEVEL SECURITY;
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ALTER TABLE database_settings ENABLE ROW LEVEL SECURITY;
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ALTER TABLE database_metrics ENABLE ROW LEVEL SECURITY;
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-- Policy for database services - users can only see their own databases
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CREATE POLICY "Users can view their own database services" ON database_services
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FOR SELECT USING (user_id = current_setting('app.current_user_id', true)::VARCHAR);
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CREATE POLICY "Users can insert their own database services" ON database_services
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FOR INSERT WITH CHECK (user_id = current_setting('app.current_user_id', true)::VARCHAR);
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CREATE POLICY "Users can update their own database services" ON database_services
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FOR UPDATE USING (user_id = current_setting('app.current_user_id', true)::VARCHAR);
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CREATE POLICY "Users can delete their own database services" ON database_services
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FOR DELETE USING (user_id = current_setting('app.current_user_id', true)::VARCHAR);
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-- Policies for backups (inherited from database services)
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CREATE POLICY "Users can view backups of their own databases" ON database_backups
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FOR SELECT USING (
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database_id IN (
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SELECT id FROM database_services
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WHERE user_id = current_setting('app.current_user_id', true)::VARCHAR
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)
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);
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CREATE POLICY "Users can insert backups for their own databases" ON database_backups
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FOR INSERT WITH CHECK (
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database_id IN (
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SELECT id FROM database_services
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WHERE user_id = current_setting('app.current_user_id', true)::VARCHAR
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)
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);
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-- Policies for settings (inherited from database services)
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CREATE POLICY "Users can view settings of their own databases" ON database_settings
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FOR SELECT USING (
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database_id IN (
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SELECT id FROM database_services
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WHERE user_id = current_setting('app.current_user_id', true)::VARCHAR
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)
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);
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CREATE POLICY "Users can update settings of their own databases" ON database_settings
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FOR UPDATE USING (
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database_id IN (
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SELECT id FROM database_services
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WHERE user_id = current_setting('app.current_user_id', true)::VARCHAR
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)
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);
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-- Policies for metrics (inherited from database services)
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CREATE POLICY "Users can view metrics of their own databases" ON database_metrics
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FOR SELECT USING (
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database_id IN (
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SELECT id FROM database_services
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WHERE user_id = current_setting('app.current_user_id', true)::VARCHAR
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)
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);
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CREATE POLICY "Users can insert metrics for their own databases" ON database_metrics
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FOR INSERT WITH CHECK (
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database_id IN (
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SELECT id FROM database_services
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WHERE user_id = current_setting('app.current_user_id', true)::VARCHAR
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)
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);
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-- Grant permissions
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GRANT SELECT, INSERT, UPDATE, DELETE ON database_services TO authenticated_users;
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GRANT SELECT, INSERT, UPDATE ON database_backups TO authenticated_users;
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GRANT SELECT, UPDATE ON database_settings TO authenticated_users;
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GRANT SELECT, INSERT ON database_metrics TO authenticated_users;
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GRANT SELECT ON database_stats TO authenticated_users;
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-- Create function to clean up old metrics (older than 30 days)
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CREATE OR REPLACE FUNCTION cleanup_old_metrics()
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RETURNS void AS $$
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BEGIN
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DELETE FROM database_metrics
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WHERE recorded_at < NOW() - INTERVAL '30 days';
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END;
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$$ LANGUAGE plpgsql;
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-- Create function to schedule next backup
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CREATE OR REPLACE FUNCTION schedule_next_backup(database_id_param VARCHAR(255))
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RETURNS void AS $$
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BEGIN
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UPDATE database_settings
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SET next_backup_time = NOW() + INTERVAL '24 hours'
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WHERE database_id = database_id_param;
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END;
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$$ LANGUAGE plpgsql;
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-- Create function to update backup status and schedule next backup
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CREATE OR REPLACE FUNCTION complete_backup(backup_id_param VARCHAR(255, success_param BOOLEAN))
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RETURNS void AS $$
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DECLARE
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db_id VARCHAR(255);
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BEGIN
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-- Get database_id from backup
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SELECT database_id INTO db_id FROM database_backups WHERE id = backup_id_param;
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IF db_id IS NOT NULL THEN
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-- Update backup completion time if successful
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IF success_param THEN
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UPDATE database_backups
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SET status = 'completed', completed_at = NOW()
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WHERE id = backup_id_param;
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-- Update last_backup_time in settings
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UPDATE database_settings
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SET last_backup_time = NOW()
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WHERE database_id = db_id;
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-- Schedule next backup
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PERFORM schedule_next_backup(db_id);
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ELSE
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UPDATE database_backups
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SET status = 'failed'
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WHERE id = backup_id_param;
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END IF;
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END IF;
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END;
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$$ LANGUAGE plpgsql;
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