stuff

README.md

@@ -0,0 +1,5 @@
+# terustform
+
+Terraform/OpenTofu Providers written in Rust!
+
+**This project is extremely experimental and does not work well.**

terraform-provider-corsschool/.gitignore

@@ -0,0 +1 @@
+/.env

terraform-provider-corsschool/Cargo.toml

@@ -5,7 +5,7 @@ edition = "2021"
 
 [dependencies]
 eyre = "0.6.12"
-reqwest = { version = "0.12.3", default-features = false, features = ["charset", "http2", "rustls-tls"]}
+reqwest = { version = "0.12.3", default-features = false, features = ["charset", "http2", "json", "rustls-tls"] }
 terustform = { path = "../terustform" }
 
 tokio = { version = "1.37.0", features = ["full"] }

terraform-provider-corsschool/src/client.rs

@@ -1,3 +1,51 @@
-pub struct _CorsClient {
-    client: reqwest::Client
+use eyre::{Context, OptionExt, Result};
+use reqwest::header::{HeaderMap, HeaderValue};
+
+#[derive(Clone)]
+pub struct CorsClient {
+    client: reqwest::Client,
+}
+
+const URL: &str = "https://api.cors-school.nilstrieb.dev/api";
+
+impl CorsClient {
+    pub async fn new(email: String, password: String) -> Result<Self> {
+        let client = reqwest::Client::new();
+        let login = dto::UserLogin { email, password };
+        let token = client
+            .post(format!("{URL}/login"))
+            .json(&login)
+            .send()
+            .await
+            .wrap_err("failed to send login request")?;
+        let token = token.error_for_status().wrap_err("failed to login")?;
+        let token = token
+            .headers()
+            .get("Token")
+            .ok_or_eyre("does not have Token header in login response")?
+            .to_str()
+            .wrap_err("Token is invalid utf8")?;
+
+        let mut headers = HeaderMap::new();
+        headers.insert(
+            "Authorization",
+            HeaderValue::from_str(&format!("Bearer {}", token,)).unwrap(),
+        );
+        let client = reqwest::Client::builder()
+            .default_headers(headers)
+            .build()
+            .unwrap();
+
+        Ok(Self { client })
+    }
+
+    pub async fn get_hugo(&self) -> Result<String> {
+        Ok(self
+            .client
+            .get(format!("{URL}/hugo"))
+            .send()
+            .await?
+            .text()
+            .await?)
+    }
 }

terraform-provider-corsschool/src/main.rs

@@ -1,11 +1,13 @@
 mod client;
+mod resources;
 
 use std::collections::HashMap;
 
+use eyre::Context;
 use terustform::{
-    datasource::{self, DataSource},
+    datasource::DataSource,
     provider::{MkDataSource, Provider},
-    AttrPath, DResult, StringValue, Value, ValueModel,
+    DResult, EyreExt, Schema, Value,
 };
 
 #[tokio::main]
@@ -16,90 +18,36 @@ async fn main() -> eyre::Result<()> {
 pub struct ExampleProvider {}
 
 impl Provider for ExampleProvider {
-    type Data = ();
+    type Data = client::CorsClient;
     fn name(&self) -> String {
         "corsschool".to_owned()
     }
 
-    fn schema(&self) -> datasource::Schema {
-        datasource::Schema {
+    fn schema(&self) -> Schema {
+        Schema {
             description: "uwu".to_owned(),
             attributes: HashMap::new(),
         }
     }
 
     async fn configure(&self, _config: Value) -> DResult<Self::Data> {
-        Ok(())
+        let username = std::env::var("CORSSCHOOL_USERNAME")
+            .wrap_err("CORSSCHOOL_USERNAME environment variable not set")
+            .eyre_to_tf()?;
+        let password = std::env::var("CORSSCHOOL_PASSWORD")
+            .wrap_err("CORSSCHOOL_PASSWORD environment variable not set")
+            .eyre_to_tf()?;
+        let client = client::CorsClient::new(username, password)
+            .await
+            .wrap_err("failed to create client")
+            .eyre_to_tf()?;
+        Ok(client)
     }
 
     fn data_sources(&self) -> Vec<MkDataSource<Self::Data>> {
-        vec![ExampleDataSource::erase()]
-    }
-}
-
-struct ExampleDataSource {}
-
-#[derive(terustform::Model)]
-struct ExampleDataSourceModel {
-    name: StringValue,
-    meow: StringValue,
-    id: StringValue,
-}
-
-#[terustform::async_trait]
-impl DataSource for ExampleDataSource {
-    type ProviderData = ();
-
-    fn name(provider_name: &str) -> String {
-        format!("{provider_name}_kitty")
-    }
-
-    fn schema() -> datasource::Schema {
-        datasource::Schema {
-            description: "an example".to_owned(),
-            attributes: HashMap::from([
-                (
-                    "name".to_owned(),
-                    datasource::Attribute::String {
-                        description: "a cool name".to_owned(),
-                        mode: datasource::Mode::Required,
-                        sensitive: false,
-                    },
-                ),
-                (
-                    "meow".to_owned(),
-                    datasource::Attribute::String {
-                        description: "the meow of the cat".to_owned(),
-                        mode: datasource::Mode::Computed,
-                        sensitive: false,
-                    },
-                ),
-                (
-                    "id".to_owned(),
-                    datasource::Attribute::String {
-                        description: "the ID of the meowy cat".to_owned(),
-                        mode: datasource::Mode::Computed,
-                        sensitive: false,
-                    },
-                ),
-            ]),
-        }
-    }
-
-    fn new(_data: Self::ProviderData) -> DResult<Self> {
-        Ok(ExampleDataSource {})
-    }
-
-    async fn read(&self, config: Value) -> DResult<Value> {
-        let mut model = ExampleDataSourceModel::from_value(config, &AttrPath::root())?;
-
-        let name_str = model.name.expect_known(AttrPath::attr("name"))?;
-
-        let meow = format!("mrrrrr i am {name_str}");
-
-        model.meow = StringValue::Known(meow);
-        model.id = StringValue::Known("0".to_owned());
-
-        Ok(model.to_value())
+        vec![
+            resources::kitty::ExampleDataSource::erase(),
+            resources::hugo::HugoDataSource::erase(),
+        ]
     }
 }

terraform-provider-corsschool/src/resources/hugo.rs

@@ -0,0 +1,68 @@
+use std::collections::HashMap;
+
+use eyre::Context;
+use terustform::{
+    datasource::DataSource, Attribute, DResult, EyreExt, Mode, Schema, StringValue, Value,
+    ValueModel,
+};
+
+use crate::client::CorsClient;
+
+pub struct HugoDataSource {
+    client: CorsClient,
+}
+
+#[derive(terustform::Model)]
+struct HugoDataSourceModel {
+    hugo: StringValue,
+}
+
+#[terustform::async_trait]
+impl DataSource for HugoDataSource {
+    type ProviderData = CorsClient;
+
+    async fn read(&self, _config: Value) -> DResult<Value> {
+        let hugo = self
+            .client
+            .get_hugo()
+            .await
+            .wrap_err("failed to get hugo")
+            .eyre_to_tf()?;
+
+        Ok(HugoDataSourceModel {
+            hugo: StringValue::Known(hugo),
+        }
+        .to_value())
+    }
+
+    fn name(provider_name: &str) -> String
+    where
+        Self: Sized,
+    {
+        format!("{provider_name}_hugo")
+    }
+
+    fn schema() -> Schema
+    where
+        Self: Sized,
+    {
+        Schema {
+            description: "Get Hugo Boss".to_owned(),
+            attributes: HashMap::from([(
+                "hugo".to_owned(),
+                Attribute::String {
+                    description: "Hugo Boss".to_owned(),
+                    mode: Mode::Computed,
+                    sensitive: false,
+                },
+            )]),
+        }
+    }
+
+    fn new(data: Self::ProviderData) -> DResult<Self>
+    where
+        Self: Sized,
+    {
+        Ok(Self { client: data })
+    }
+}

terraform-provider-corsschool/src/resources/kitty.rs

@@ -0,0 +1,75 @@
+use std::collections::HashMap;
+
+use terustform::{
+    datasource::DataSource, AttrPath, Attribute, DResult, Mode, Schema, StringValue, Value,
+    ValueModel,
+};
+
+use crate::client::CorsClient;
+
+pub struct ExampleDataSource {}
+
+#[derive(terustform::Model)]
+struct ExampleDataSourceModel {
+    name: StringValue,
+    meow: StringValue,
+    id: StringValue,
+}
+
+#[terustform::async_trait]
+impl DataSource for ExampleDataSource {
+    type ProviderData = CorsClient;
+
+    fn name(provider_name: &str) -> String {
+        format!("{provider_name}_kitty")
+    }
+
+    fn schema() -> Schema {
+        Schema {
+            description: "an example".to_owned(),
+            attributes: HashMap::from([
+                (
+                    "name".to_owned(),
+                    Attribute::String {
+                        description: "a cool name".to_owned(),
+                        mode: Mode::Required,
+                        sensitive: false,
+                    },
+                ),
+                (
+                    "meow".to_owned(),
+                    Attribute::String {
+                        description: "the meow of the cat".to_owned(),
+                        mode: Mode::Computed,
+                        sensitive: false,
+                    },
+                ),
+                (
+                    "id".to_owned(),
+                    Attribute::String {
+                        description: "the ID of the meowy cat".to_owned(),
+                        mode: Mode::Computed,
+                        sensitive: false,
+                    },
+                ),
+            ]),
+        }
+    }
+
+    fn new(_data: Self::ProviderData) -> DResult<Self> {
+        Ok(ExampleDataSource {})
+    }
+
+    async fn read(&self, config: Value) -> DResult<Value> {
+        let mut model = ExampleDataSourceModel::from_value(config, &AttrPath::root())?;
+
+        let name_str = model.name.expect_known(AttrPath::attr("name"))?;
+
+        let meow = format!("mrrrrr i am {name_str}");
+
+        model.meow = StringValue::Known(meow);
+        model.id = StringValue::Known("0".to_owned());
+
+        Ok(model.to_value())
+    }
+}

terraform-provider-corsschool/src/resources/mod.rs

@@ -0,0 +1,2 @@
+pub mod hugo;
+pub mod kitty;

terraform-provider-corsschool/test/main.tf

@@ -21,4 +21,9 @@ output "cat1" {
 }
 output "cat2" {
   value = data.corsschool_kitty.hellyes.meow
+}
+
+data "corsschool_hugo" "hugo" {}
+output "hugo" {
+  value = data.corsschool_hugo.hugo
 }

terustform/src/datasource.rs

@@ -1,8 +1,7 @@
-use std::collections::HashMap;
-
 use crate::{
     provider::{MkDataSource, ProviderData},
-    values::{Type, Value},
+    values::Value,
+    Schema,
 };
 
 use super::DResult;
@@ -31,67 +30,3 @@ pub trait DataSource: Send + Sync + 'static {
         MkDataSource::create::<Self>()
     }
 }
-
-#[derive(Clone)]
-pub struct Schema {
-    pub description: String,
-    pub attributes: HashMap<String, Attribute>,
-}
-
-#[derive(Clone)]
-pub enum Attribute {
-    String {
-        description: String,
-        mode: Mode,
-        sensitive: bool,
-    },
-    Int64 {
-        description: String,
-        mode: Mode,
-        sensitive: bool,
-    },
-}
-
-#[derive(Clone, Copy)]
-pub enum Mode {
-    Required,
-    Optional,
-    OptionalComputed,
-    Computed,
-}
-
-impl Mode {
-    pub fn required(&self) -> bool {
-        matches!(self, Self::Required)
-    }
-
-    pub fn optional(&self) -> bool {
-        matches!(self, Self::Optional | Self::OptionalComputed)
-    }
-
-    pub fn computed(&self) -> bool {
-        matches!(self, Self::OptionalComputed | Self::Computed)
-    }
-}
-
-impl Schema {
-    pub fn typ(&self) -> Type {
-        let attrs = self
-            .attributes
-            .iter()
-            .map(|(name, attr)| {
-                let attr_type = match attr {
-                    Attribute::Int64 { .. } => Type::Number,
-                    Attribute::String { .. } => Type::String,
-                };
-
-                (name.clone(), attr_type)
-            })
-            .collect();
-
-        Type::Object {
-            attrs,
-            optionals: vec![],
-        }
-    }
-}

terustform/src/diag.rs

@@ -60,6 +60,16 @@ impl AttrPath {
     }
 }
 
+pub trait EyreExt<T> {
+    fn eyre_to_tf(self) -> DResult<T>;
+}
+
+impl<T> EyreExt<T> for Result<T, eyre::Report> {
+    fn eyre_to_tf(self) -> DResult<T> {
+        self.map_err(|e| Diagnostic::error_string(format!("{:?}", e)).into())
+    }
+}
+
 impl<E: std::error::Error + std::fmt::Debug> From<E> for Diagnostic {
     fn from(value: E) -> Self {
         Self::error_string(format!("{:?}", value))

terustform/src/lib.rs

@@ -1,11 +1,18 @@
-mod diag;
+// Internal modules
 mod server;
+
+// Modules re-exported in the root
+mod diag;
+mod schema;
 mod values;
 
+// Public modules
 pub mod datasource;
 pub mod provider;
 
+// Re-exports
 pub use diag::*;
+pub use schema::*;
 pub use values::*;
 
 pub use terustform_macros::Model;
@@ -13,6 +20,9 @@ pub use terustform_macros::Model;
 pub use async_trait::async_trait;
 pub use eyre;
 
+// --------
+// Rest of the file.
+
 use provider::Provider;
 use tracing::Level;
 

terustform/src/provider.rs

@@ -1,22 +1,19 @@
 use std::{future::Future, sync::Arc};
 
-use crate::{
-    datasource::{self, DataSource, Schema},
-    DResult, Value,
-};
+use crate::{datasource::DataSource, DResult, Schema, Value};
 
 pub trait ProviderData: Clone + Send + Sync + 'static {}
 impl<D: Clone + Send + Sync + 'static> ProviderData for D {}
 
 pub struct MkDataSource<D: ProviderData> {
     pub(crate) name: fn(&str) -> String,
-    pub(crate) schema: datasource::Schema,
+    pub(crate) schema: Schema,
     pub(crate) mk: fn(D) -> DResult<StoredDataSource<D>>,
 }
 
 pub(crate) struct StoredDataSource<D: ProviderData> {
     pub(crate) ds: Arc<dyn DataSource<ProviderData = D>>,
-    pub(crate) schema: datasource::Schema,
+    pub(crate) schema: Schema,
 }
 
 impl<D: ProviderData> Clone for StoredDataSource<D> {

terustform/src/schema.rs

@@ -0,0 +1,68 @@
+use std::collections::HashMap;
+
+use crate::Type;
+
+
+#[derive(Clone)]
+pub struct Schema {
+    pub description: String,
+    pub attributes: HashMap<String, Attribute>,
+}
+
+#[derive(Clone)]
+pub enum Attribute {
+    String {
+        description: String,
+        mode: Mode,
+        sensitive: bool,
+    },
+    Int64 {
+        description: String,
+        mode: Mode,
+        sensitive: bool,
+    },
+}
+
+#[derive(Clone, Copy)]
+pub enum Mode {
+    Required,
+    Optional,
+    OptionalComputed,
+    Computed,
+}
+
+impl Mode {
+    pub fn required(&self) -> bool {
+        matches!(self, Self::Required)
+    }
+
+    pub fn optional(&self) -> bool {
+        matches!(self, Self::Optional | Self::OptionalComputed)
+    }
+
+    pub fn computed(&self) -> bool {
+        matches!(self, Self::OptionalComputed | Self::Computed)
+    }
+}
+
+impl Schema {
+    pub fn typ(&self) -> Type {
+        let attrs = self
+            .attributes
+            .iter()
+            .map(|(name, attr)| {
+                let attr_type = match attr {
+                    Attribute::Int64 { .. } => Type::Number,
+                    Attribute::String { .. } => Type::String,
+                };
+
+                (name.clone(), attr_type)
+            })
+            .collect();
+
+        Type::Object {
+            attrs,
+            optionals: vec![],
+        }
+    }
+}

terustform/src/server/convert.rs

@@ -1,12 +1,8 @@
-use crate::{
-    datasource::{self, Mode},
-    values::Type,
-    AttrPathSegment, Diagnostics,
-};
+use crate::{values::Type, AttrPathSegment, Attribute, Diagnostics, Mode, Schema};
 
 use super::grpc::tfplugin6;
 
-impl datasource::Schema {
+impl Schema {
     pub(crate) fn to_tfplugin(self) -> tfplugin6::Schema {
         tfplugin6::Schema {
             version: 1,
@@ -26,7 +22,7 @@ impl datasource::Schema {
     }
 }
 
-impl datasource::Attribute {
+impl Attribute {
     pub(crate) fn to_tfplugin(self, name: String) -> tfplugin6::schema::Attribute {
         let mut attr = tfplugin6::schema::Attribute {
             name,
@@ -48,7 +44,7 @@ impl datasource::Attribute {
         };
 
         match self {
-            datasource::Attribute::String {
+            Attribute::String {
                 description,
                 mode,
                 sensitive,
@@ -58,7 +54,7 @@ impl datasource::Attribute {
                 set_modes(&mut attr, mode);
                 attr.sensitive = sensitive;
             }
-            datasource::Attribute::Int64 {
+            Attribute::Int64 {
                 description,
                 mode,
                 sensitive,