feat(client-cli): implement unpack of Cardano node distribution

Author: dlachaume

Cargo.lock

@@ -31,6 +31,7 @@ chrono = { workspace = true }
 clap = { workspace = true }
 cli-table = "0.5.0"
 config = { workspace = true }
+flate2 = "1.1.1"
 fs2 = "0.4.3"
 futures = "0.3.31"
 human_bytes = { version = "0.4.3", features = ["fast"] }
@@ -54,8 +55,10 @@ slog = { workspace = true, features = [
 slog-async = { workspace = true }
 slog-bunyan = { workspace = true }
 slog-term = { workspace = true }
+tar = "0.4.44"
 thiserror = { workspace = true }
 tokio = { workspace = true, features = ["macros", "rt-multi-thread"] }
+zip = "4.0.0"
 
 [dev-dependencies]
 mithril-common = { path = "../mithril-common", features = ["test_tools"] }

mithril-client-cli/Cargo.toml

@@ -10,7 +10,8 @@ use clap::{Parser, ValueEnum};
 use mithril_client::MithrilResult;
 
 use crate::utils::{
-    GitHubReleaseRetriever, HttpDownloader, ReqwestGitHubApiClient, ReqwestHttpDownloader,
+    ArchiveUnpacker, GitHubReleaseRetriever, HttpDownloader, ReqwestGitHubApiClient,
+    ReqwestHttpDownloader,
 };
 
 const GITHUB_ORGANIZATION: &str = "IntersectMBO";
@@ -78,6 +79,14 @@ impl SnapshotConverterCommand {
             "Failed to download 'snapshot-converter' binary from Cardano node distribution"
         })?;
 
+        Self::unpack_cardano_node_distribution(&archive_path, &distribution_temp_dir)
+            .with_context(|| {
+                format!(
+                    "Failed to unpack 'snapshot-converter' binary to directory: {}",
+                    distribution_temp_dir.display()
+                )
+            })?;
+
         Ok(())
     }
 
@@ -118,6 +127,19 @@ impl SnapshotConverterCommand {
 
         Ok(archive_path)
     }
+
+    fn unpack_cardano_node_distribution(
+        archive_path: &Path,
+        target_dir: &Path,
+    ) -> MithrilResult<()> {
+        ArchiveUnpacker::default()
+            .unpack(archive_path, target_dir)
+            .with_context(|| {
+                format!("Failed to unpack distribution: {}", archive_path.display())
+            })?;
+
+        Ok(())
+    }
 }
 
 #[cfg(test)]

mithril-client-cli/src/commands/tools/snapshot_converter.rs

@@ -0,0 +1,15 @@
+mod tar_gz_unpacker;
+mod unpacker;
+mod zip_unpacker;
+
+pub use unpacker::*;
+
+use mithril_client::MithrilResult;
+use std::path::Path;
+
+#[cfg_attr(test, mockall::automock)]
+pub trait ArchiveFormat {
+    fn supports(&self, archive_path: &Path) -> bool;
+
+    fn unpack(&self, archive_path: &Path, unpack_dir: &Path) -> MithrilResult<()>;
+}