87 lines
3.0 KiB
Rust
87 lines
3.0 KiB
Rust
use anyhow::Context;
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use object_store::{ObjectStore, aws::AmazonS3Builder, local::LocalFileSystem};
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use std::sync::Arc;
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pub struct StorageConfig(Arc<dyn ObjectStore>);
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impl StorageConfig {
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pub fn from_env() -> anyhow::Result<Self> {
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let backend = std::env::var("POSTER_STORAGE_BACKEND")
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.context("POSTER_STORAGE_BACKEND required (valid values: s3, local)")?;
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let store: Arc<dyn ObjectStore> = match backend.as_str() {
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"s3" => build_s3_store(
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&std::env::var("MINIO_ENDPOINT").context("MINIO_ENDPOINT required")?,
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&std::env::var("MINIO_ACCESS_KEY_ID").context("MINIO_ACCESS_KEY_ID required")?,
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&std::env::var("MINIO_SECRET_ACCESS_KEY")
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.context("MINIO_SECRET_ACCESS_KEY required")?,
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&std::env::var("MINIO_BUCKET").context("MINIO_BUCKET required")?,
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&std::env::var("MINIO_REGION").unwrap_or_else(|_| "minio".to_string()),
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)?,
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"local" => build_local_store(
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&std::env::var("POSTER_STORAGE_PATH")
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.context("POSTER_STORAGE_PATH required when POSTER_STORAGE_BACKEND=local")?,
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)?,
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other => anyhow::bail!(
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"Unknown POSTER_STORAGE_BACKEND: {other:?}. Valid values: s3, local"
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),
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};
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Ok(Self(store))
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}
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pub fn build_store(self) -> Arc<dyn ObjectStore> {
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self.0
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}
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}
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fn build_s3_store(
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endpoint: &str,
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access_key_id: &str,
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secret_access_key: &str,
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bucket: &str,
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region: &str,
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) -> anyhow::Result<Arc<dyn ObjectStore>> {
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let store = AmazonS3Builder::new()
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.with_endpoint(endpoint)
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.with_access_key_id(access_key_id)
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.with_secret_access_key(secret_access_key)
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.with_bucket_name(bucket)
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.with_region(region)
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.with_allow_http(true)
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.build()
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.context("Failed to build S3/Minio store")?;
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Ok(Arc::new(store))
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}
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fn build_local_store(path: &str) -> anyhow::Result<Arc<dyn ObjectStore>> {
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std::fs::create_dir_all(path)
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.context("Failed to create poster storage directory")?;
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let store = LocalFileSystem::new_with_prefix(path)
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.context("Failed to initialise local file system store")?;
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Ok(Arc::new(store))
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn local_store_creates_dir_and_succeeds() {
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let dir = std::env::temp_dir()
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.join(format!("poster_test_{}", uuid::Uuid::new_v4()));
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let result = build_local_store(dir.to_str().unwrap());
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assert!(result.is_ok(), "expected Ok, got: {:?}", result.err());
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assert!(dir.exists(), "directory should have been created");
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}
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#[test]
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fn local_store_succeeds_if_dir_already_exists() {
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let dir = std::env::temp_dir()
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.join(format!("poster_test_{}", uuid::Uuid::new_v4()));
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std::fs::create_dir_all(&dir).unwrap();
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let result = build_local_store(dir.to_str().unwrap());
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assert!(result.is_ok());
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}
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}
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