Juergen Kunz
66aa43494e
- Parity generation auto-triggers after every N packs during ingest - ParityConfig stored in repository config.json - Nonce stored in global index entries, eliminating IDX re-reads during encrypted restore (fast path) with IDX cache fallback - Repair now attempts parity-based pack reconstruction before reindexing
113 lines
2.8 KiB
Rust
113 lines
2.8 KiB
Rust
use serde::{Deserialize, Serialize};
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#[derive(Debug, Clone, Serialize, Deserialize)]
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#[serde(rename_all = "camelCase")]
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pub struct RepositoryConfig {
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pub version: u32,
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pub id: String,
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pub created_at: String,
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pub chunking: ChunkingConfig,
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pub compression: String,
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#[serde(skip_serializing_if = "Option::is_none")]
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pub encryption: Option<EncryptionConfig>,
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pub pack_target_size: u64,
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#[serde(default)]
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pub parity: Option<ParityConfigSpec>,
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}
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#[derive(Debug, Clone, Serialize, Deserialize)]
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#[serde(rename_all = "camelCase")]
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pub struct ParityConfigSpec {
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pub algorithm: String,
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pub data_count: usize,
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pub parity_count: usize,
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}
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#[derive(Debug, Clone, Serialize, Deserialize)]
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#[serde(rename_all = "camelCase")]
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pub struct ChunkingConfig {
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pub algorithm: String,
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pub min_size: u32,
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pub avg_size: u32,
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pub max_size: u32,
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}
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#[derive(Debug, Clone, Serialize, Deserialize)]
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#[serde(rename_all = "camelCase")]
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pub struct EncryptionConfig {
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pub algorithm: String,
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pub kdf: String,
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pub kdf_params: KdfParams,
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}
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#[derive(Debug, Clone, Serialize, Deserialize)]
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#[serde(rename_all = "camelCase")]
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pub struct KdfParams {
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pub memory: u32,
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pub iterations: u32,
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pub parallelism: u32,
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}
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#[derive(Debug, Clone, Serialize, Deserialize)]
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#[serde(rename_all = "camelCase")]
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pub struct KeyFile {
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pub id: String,
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pub created_at: String,
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pub kdf: String,
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pub kdf_salt: String,
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pub kdf_params: KdfParams,
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pub encrypted_key: String,
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pub nonce: String,
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pub auth_tag: String,
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}
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impl Default for ChunkingConfig {
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fn default() -> Self {
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Self {
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algorithm: "fastcdc".to_string(),
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min_size: 65536, // 64 KB
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avg_size: 262144, // 256 KB
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max_size: 1048576, // 1 MB
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}
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}
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}
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impl Default for KdfParams {
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fn default() -> Self {
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Self {
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memory: 262144, // 256 MB
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iterations: 3,
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parallelism: 4,
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}
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}
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}
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impl Default for EncryptionConfig {
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fn default() -> Self {
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Self {
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algorithm: "aes-256-gcm".to_string(),
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kdf: "argon2id".to_string(),
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kdf_params: KdfParams::default(),
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}
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}
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}
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impl RepositoryConfig {
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pub fn new(encryption: Option<EncryptionConfig>) -> Self {
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Self {
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version: 1,
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id: format!("repo-{}", uuid::Uuid::new_v4()),
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created_at: chrono::Utc::now().to_rfc3339(),
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chunking: ChunkingConfig::default(),
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compression: "gzip".to_string(),
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encryption,
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pack_target_size: 8 * 1024 * 1024, // 8 MB
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parity: Some(ParityConfigSpec {
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algorithm: "reed-solomon".to_string(),
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data_count: 20,
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parity_count: 1,
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}),
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}
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}
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}
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