feat: add postgres-sqlx example

examples/postgres-sqlx/Cargo.toml

@@ -0,0 +1,10 @@
+[package]
+name = "postgres-sqlx"
+version = "0.1.0"
+edition = "2021"
+authors = ["Norberto Lopes <nlopesml@gmail.com>"]
+
+[dependencies]
+tokio = { version = "1", features = ["rt-multi-thread", "macros"], default-features = false }
+database-schema = { path = "../../", features = ["sqlx", "postgres", "runtime-async-std"] }
+

examples/postgres-sqlx/Dockerfile

@@ -0,0 +1,8 @@
+ARG VERSION
+FROM postgres:${VERSION}-alpine
+
+COPY ./certs /var/lib/postgresql/certs
+
+# Fix permissions so that server starts
+RUN chown 70:70 /var/lib/postgresql/certs/server-cert.pem /var/lib/postgresql/certs/server-key.pem
+RUN chmod 0600 /var/lib/postgresql/certs/server-cert.pem /var/lib/postgresql/certs/server-key.pem

examples/postgres-sqlx/README.md

@@ -0,0 +1,30 @@
+# postgres-sqlx
+
+This simple example will use `sqlx` to run the migrations found in
+[`./migrations`](./migrations) and then generate a [`./structure.sql`](./structure.sql)
+file with the database schema;
+
+# Running
+
+```shell
+# this is an example in my MacOS laptop, using postgres from homebrew, adjust as you see fit!
+$ docker compose up
+$ export PATH=/opt/homebrew/opt/postgres-client@8.0/bin:$PATH
+$ export RUSTFLAGS="-L/opt/homebrew/opt/postgres-client@8.0/lib"
+$ cargo run
+```
+
+## Dependencies
+
+- `TODO`
+- `pg_dump`
+- `docker compose` - if you want to run the example against a docker instance running
+  `postgres` server.
+
+If they are not in your default paths you will have to set them like so:
+
+```shell
+export PATH=/path/to/your/postgres-client/install-folder/bin:$PATH
+export RUSTFLAGS="-L/path/to/your/lib-postgres-folder/lib"
+```
+

examples/postgres-sqlx/certs/client-cert.pem

@@ -0,0 +1,19 @@
+-----BEGIN CERTIFICATE-----
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+W70jJgfB6jr9Xs4=
+-----END CERTIFICATE-----

examples/postgres-sqlx/certs/client-key.pem

@@ -0,0 +1,27 @@
+-----BEGIN RSA PRIVATE KEY-----
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+-----END RSA PRIVATE KEY-----

examples/postgres-sqlx/certs/client-req.pem

@@ -0,0 +1,16 @@
+-----BEGIN CERTIFICATE REQUEST-----
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+-----END CERTIFICATE REQUEST-----

examples/postgres-sqlx/certs/root-ca-key.pem

@@ -0,0 +1,27 @@
+-----BEGIN RSA PRIVATE KEY-----
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+-----END RSA PRIVATE KEY-----

examples/postgres-sqlx/certs/root-ca.pem

@@ -0,0 +1,19 @@
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----

examples/postgres-sqlx/certs/server-cert.pem

@@ -0,0 +1,19 @@
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----

examples/postgres-sqlx/certs/server-key.pem

@@ -0,0 +1,27 @@
+-----BEGIN RSA PRIVATE KEY-----
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+-----END RSA PRIVATE KEY-----

examples/postgres-sqlx/certs/server-req.pem

@@ -0,0 +1,16 @@
+-----BEGIN CERTIFICATE REQUEST-----
+MIICkjCCAXoCAQAwTTELMAkGA1UEBhMCR0IxDzANBgNVBAgMBkxvbmRvbjEPMA0G
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+rK2SyExZSl+LY+B4rMbeU08gR0jAUD8KCkbRle3YQDauXqSVUVLwOXoThL59SntM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+-----END CERTIFICATE REQUEST-----

examples/postgres-sqlx/docker-compose.yml

@@ -0,0 +1,12 @@
+services:
+  postgres-14:
+    build:
+      context: .
+      dockerfile: Dockerfile
+      args:
+        VERSION: 14
+    ports:
+      - "127.0.0.1:5432:5432"
+    environment:
+      - POSTGRES_HOST_AUTH_METHOD=trust
+    command: -c ssl=on -c ssl_cert_file=/var/lib/postgresql/certs/server-cert.pem -c ssl_key_file=/var/lib/postgresql/certs/server-key.pem -c  ssl_ca_file=/var/lib/postgresql/certs/root-ca.pem

examples/postgres-sqlx/migrations/20230828202611_add_users.sql

@@ -0,0 +1,5 @@
+CREATE TABLE users (
+  id VARCHAR(64) PRIMARY KEY NOT NULL,
+  email TEXT NOT NULL,
+  created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
+);

examples/postgres-sqlx/src/main.rs

@@ -0,0 +1,20 @@
+use database_schema::DatabaseSchemaBuilder;
+
+#[tokio::main]
+async fn main() -> Result<(), database_schema::Error> {
+    // ssl seems to not be working due to tls-native and tls-rustls shenanigans I haven't
+    // figured out yet.
+    //
+    // In principle, it should work without code changes - only upstream changes.
+    //
+    // See more at https://github.com/launchbadge/sqlx/issues/1162
+
+    DatabaseSchemaBuilder::new()
+        .connection_url("postgresql://postgres@127.0.0.1:5432/postgres")
+        //.connection_url("postgresql://postgres@127.0.0.1:5432/postgres?sslmode=verify-ca&sslcert=certs/client-cert.pem&sslkey=certs/client-key.pem&sslrootcert=certs/root-ca.pem")
+        .migrations_dir("./migrations")?
+        .destination_path("./structure.sql")
+        .build()
+        .dump()
+        .await
+}

examples/postgres-sqlx/structure.sql

@@ -0,0 +1,67 @@
+--
+-- PostgreSQL database dump
+--
+
+-- Dumped from database version 14.9
+-- Dumped by pg_dump version 14.9 (Homebrew)
+
+SET statement_timeout = 0;
+SET lock_timeout = 0;
+SET idle_in_transaction_session_timeout = 0;
+SET client_encoding = 'UTF8';
+SET standard_conforming_strings = on;
+SELECT pg_catalog.set_config('search_path', '', false);
+SET check_function_bodies = false;
+SET xmloption = content;
+SET client_min_messages = warning;
+SET row_security = off;
+
+SET default_tablespace = '';
+
+SET default_table_access_method = heap;
+
+--
+-- Name: _sqlx_migrations; Type: TABLE; Schema: public; Owner: -
+--
+
+CREATE TABLE public._sqlx_migrations (
+    version bigint NOT NULL,
+    description text NOT NULL,
+    installed_on timestamp with time zone DEFAULT now() NOT NULL,
+    success boolean NOT NULL,
+    checksum bytea NOT NULL,
+    execution_time bigint NOT NULL
+);
+
+
+--
+-- Name: users; Type: TABLE; Schema: public; Owner: -
+--
+
+CREATE TABLE public.users (
+    id character varying(64) NOT NULL,
+    email text NOT NULL,
+    created_at timestamp without time zone DEFAULT CURRENT_TIMESTAMP NOT NULL
+);
+
+
+--
+-- Name: _sqlx_migrations _sqlx_migrations_pkey; Type: CONSTRAINT; Schema: public; Owner: -
+--
+
+ALTER TABLE ONLY public._sqlx_migrations
+    ADD CONSTRAINT _sqlx_migrations_pkey PRIMARY KEY (version);
+
+
+--
+-- Name: users users_pkey; Type: CONSTRAINT; Schema: public; Owner: -
+--
+
+ALTER TABLE ONLY public.users
+    ADD CONSTRAINT users_pkey PRIMARY KEY (id);
+
+
+--
+-- PostgreSQL database dump complete
+--
+