3f466e2612
- ✅ Comprehensive Testing Infrastructure: Unit, integration, and performance tests - ✅ CI/CD Pipeline: Multi-platform automated testing with GitHub Actions - ✅ Error Handling & Recovery: Automatic recovery, circuit breakers, rollback mechanisms - ✅ Performance Optimization: Benchmarking framework with Criterion.rs - ✅ Documentation: Complete user, admin, and developer guides - ✅ Security & Reliability: Input validation, sandboxing, vulnerability scanning APT-OSTree is now production-ready and enterprise-grade!
652 lines
No EOL
24 KiB
Rust
652 lines
No EOL
24 KiB
Rust
//! Critical APT-OSTree Integration Nuances
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//!
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//! This module implements the key differences between traditional APT and APT-OSTree:
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//! 1. Package Database Location: Use /usr/share/apt instead of /var/lib/apt
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//! 2. "From Scratch" Philosophy: Regenerate filesystem for every change
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//! 3. Package Caching Strategy: Convert DEB packages to OSTree commits
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//! 4. Script Execution Environment: Run DEB scripts in controlled sandboxed environment
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//! 5. Filesystem Assembly Process: Proper layering and hardlink optimization
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//! 6. Repository Integration: Customize APT behavior for OSTree compatibility
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use std::collections::HashMap;
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use std::path::{Path, PathBuf};
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use std::process::Command;
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use std::fs;
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use std::os::unix::fs::PermissionsExt;
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use tracing::info;
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use serde::{Serialize, Deserialize};
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use crate::error::{AptOstreeError, AptOstreeResult};
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use crate::apt_compat::AptManager;
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use crate::ostree::OstreeManager;
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/// OSTree-specific APT configuration
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#[derive(Debug, Clone, Serialize, Deserialize)]
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pub struct OstreeAptConfig {
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/// APT database location (read-only in OSTree deployments)
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pub apt_db_path: PathBuf,
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/// Package cache location (OSTree repository)
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pub package_cache_path: PathBuf,
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/// Script execution environment
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pub script_env_path: PathBuf,
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/// Temporary working directory for package operations
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pub temp_work_path: PathBuf,
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/// OSTree repository path
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pub ostree_repo_path: PathBuf,
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/// Current deployment path
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pub deployment_path: PathBuf,
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}
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impl Default for OstreeAptConfig {
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fn default() -> Self {
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Self {
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apt_db_path: PathBuf::from("/usr/share/apt"),
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package_cache_path: PathBuf::from("/var/lib/apt-ostree/cache"),
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script_env_path: PathBuf::from("/var/lib/apt-ostree/scripts"),
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temp_work_path: PathBuf::from("/var/lib/apt-ostree/temp"),
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ostree_repo_path: PathBuf::from("/var/lib/apt-ostree/repo"),
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deployment_path: PathBuf::from("/var/lib/apt-ostree/deployments"),
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}
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}
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}
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/// Package to OSTree conversion manager
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pub struct PackageOstreeConverter {
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config: OstreeAptConfig,
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}
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impl PackageOstreeConverter {
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/// Create a new package to OSTree converter
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pub fn new(config: OstreeAptConfig) -> Self {
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Self { config }
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}
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/// Convert a DEB package to an OSTree commit
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pub async fn deb_to_ostree_commit(&self, deb_path: &Path, ostree_manager: &OstreeManager) -> AptOstreeResult<String> {
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info!("Converting DEB package to OSTree commit: {}", deb_path.display());
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// Extract package metadata
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let metadata = self.extract_deb_metadata(deb_path).await?;
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// Create temporary extraction directory
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let temp_dir = self.config.temp_work_path.join(&metadata.name);
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if temp_dir.exists() {
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fs::remove_dir_all(&temp_dir)?;
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}
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fs::create_dir_all(&temp_dir)?;
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// Extract DEB package contents
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self.extract_deb_contents(deb_path, &temp_dir).await?;
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// Create OSTree commit from extracted contents
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let commit_id = self.create_ostree_commit_from_files(&metadata, &temp_dir, ostree_manager).await?;
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// Clean up temporary directory
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fs::remove_dir_all(&temp_dir)?;
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info!("Successfully converted DEB to OSTree commit: {}", commit_id);
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Ok(commit_id)
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}
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/// Extract metadata from DEB package
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pub async fn extract_deb_metadata(&self, deb_path: &Path) -> AptOstreeResult<DebPackageMetadata> {
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info!("Extracting metadata from: {:?}", deb_path);
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// Use dpkg-deb to extract control information
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let output = tokio::process::Command::new("dpkg-deb")
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.arg("-I")
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.arg(deb_path)
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.arg("control")
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.output()
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.await
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.map_err(|e| AptOstreeError::DebParsing(format!("Failed to run dpkg-deb: {}", e)))?;
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if !output.status.success() {
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let stderr = String::from_utf8_lossy(&output.stderr);
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return Err(AptOstreeError::DebParsing(format!("dpkg-deb failed: {}", stderr)));
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}
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let control_content = String::from_utf8(output.stdout)
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.map_err(|e| AptOstreeError::Utf8(e))?;
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info!("Extracted control file for package");
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self.parse_control_file(&control_content)
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}
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fn parse_control_file(&self, control_content: &str) -> AptOstreeResult<DebPackageMetadata> {
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let mut metadata = DebPackageMetadata {
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name: String::new(),
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version: String::new(),
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architecture: String::new(),
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description: String::new(),
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depends: vec![],
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conflicts: vec![],
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provides: vec![],
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scripts: HashMap::new(),
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};
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// Parse control file line by line
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let mut current_field = String::new();
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let mut current_value = String::new();
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for line in control_content.lines() {
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if line.is_empty() {
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// End of current field
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if !current_field.is_empty() {
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self.set_metadata_field(&mut metadata, ¤t_field, ¤t_value);
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current_field.clear();
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current_value.clear();
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}
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} else if line.starts_with(' ') || line.starts_with('\t') {
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// Continuation line
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current_value.push_str(line.trim_start());
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} else if line.contains(':') {
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// New field
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if !current_field.is_empty() {
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self.set_metadata_field(&mut metadata, ¤t_field, ¤t_value);
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}
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let parts: Vec<&str> = line.splitn(2, ':').collect();
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if parts.len() == 2 {
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current_field = parts[0].trim().to_lowercase();
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current_value = parts[1].trim().to_string();
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}
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}
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}
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// Handle the last field
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if !current_field.is_empty() {
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self.set_metadata_field(&mut metadata, ¤t_field, ¤t_value);
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}
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// Validate required fields
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if metadata.name.is_empty() {
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return Err(AptOstreeError::DebParsing("Package name is required".to_string()));
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}
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if metadata.version.is_empty() {
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return Err(AptOstreeError::DebParsing("Package version is required".to_string()));
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}
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info!("Parsed metadata for package: {} {}", metadata.name, metadata.version);
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Ok(metadata)
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}
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fn set_metadata_field(&self, metadata: &mut DebPackageMetadata, field: &str, value: &str) {
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match field {
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"package" => metadata.name = value.to_string(),
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"version" => metadata.version = value.to_string(),
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"architecture" => metadata.architecture = value.to_string(),
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"description" => metadata.description = value.to_string(),
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"depends" => metadata.depends = self.parse_dependency_list(value),
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"conflicts" => metadata.conflicts = self.parse_dependency_list(value),
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"provides" => metadata.provides = self.parse_dependency_list(value),
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_ => {
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// Handle script fields
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if field.starts_with("preinst") || field.starts_with("postinst") ||
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field.starts_with("prerm") || field.starts_with("postrm") {
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metadata.scripts.insert(field.to_string(), value.to_string());
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}
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}
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}
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}
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fn parse_dependency_list(&self, deps_str: &str) -> Vec<String> {
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deps_str.split(',')
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.map(|s| s.trim())
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.filter(|s| !s.is_empty())
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.map(|s| {
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// Handle version constraints (e.g., "package (>= 1.0)")
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if let Some(pkg) = s.split_whitespace().next() {
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pkg.to_string()
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} else {
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s.to_string()
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}
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})
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.collect()
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}
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/// Extract DEB package contents
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async fn extract_deb_contents(&self, deb_path: &Path, extract_dir: &Path) -> AptOstreeResult<()> {
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info!("Extracting DEB contents from {:?} to {:?}", deb_path, extract_dir);
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// Create extraction directory
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tokio::fs::create_dir_all(extract_dir)
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.await
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.map_err(|e| AptOstreeError::Io(e))?;
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// Use dpkg-deb to extract data.tar.gz
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let output = tokio::process::Command::new("dpkg-deb")
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.arg("-R") // Raw extraction
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.arg(deb_path)
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.arg(extract_dir)
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.output()
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.await
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.map_err(|e| AptOstreeError::DebParsing(format!("Failed to extract DEB: {}", e)))?;
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if !output.status.success() {
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let stderr = String::from_utf8_lossy(&output.stderr);
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return Err(AptOstreeError::DebParsing(format!("dpkg-deb extraction failed: {}", stderr)));
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}
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info!("Successfully extracted DEB contents to {:?}", extract_dir);
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Ok(())
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}
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async fn extract_deb_scripts(&self, deb_path: &Path, extract_dir: &Path) -> AptOstreeResult<()> {
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info!("Extracting DEB scripts from {:?} to {:?}", deb_path, extract_dir);
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// Create scripts directory
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let scripts_dir = extract_dir.join("DEBIAN");
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tokio::fs::create_dir_all(&scripts_dir)
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.await
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.map_err(|e| AptOstreeError::Io(e))?;
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// Extract control.tar.gz to get scripts
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let output = tokio::process::Command::new("dpkg-deb")
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.arg("-e") // Extract control
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.arg(deb_path)
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.arg(&scripts_dir)
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.output()
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.await
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.map_err(|e| AptOstreeError::DebParsing(format!("Failed to extract scripts: {}", e)))?;
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if !output.status.success() {
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let stderr = String::from_utf8_lossy(&output.stderr);
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return Err(AptOstreeError::DebParsing(format!("dpkg-deb script extraction failed: {}", stderr)));
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}
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info!("Successfully extracted DEB scripts to {:?}", scripts_dir);
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Ok(())
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}
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/// Create OSTree commit from extracted files
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async fn create_ostree_commit_from_files(
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&self,
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package_metadata: &DebPackageMetadata,
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files_dir: &Path,
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ostree_manager: &OstreeManager,
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) -> AptOstreeResult<String> {
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info!("Creating OSTree commit for package: {}", package_metadata.name);
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// Create a temporary staging directory for OSTree commit
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let staging_dir = tempfile::tempdir()
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.map_err(|e| AptOstreeError::Io(std::io::Error::new(std::io::ErrorKind::Other, e)))?;
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let staging_path = staging_dir.path();
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// Create the atomic filesystem layout in staging
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self.create_atomic_filesystem_layout(staging_path).await?;
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// Copy package files to appropriate locations
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self.copy_package_files_to_layout(files_dir, staging_path).await?;
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// Create package metadata for OSTree
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let commit_metadata = serde_json::json!({
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"package": {
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"name": package_metadata.name,
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"version": package_metadata.version,
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"architecture": package_metadata.architecture,
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"description": package_metadata.description,
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"depends": package_metadata.depends,
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"conflicts": package_metadata.conflicts,
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"provides": package_metadata.provides,
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"scripts": package_metadata.scripts,
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"installed_at": chrono::Utc::now().to_rfc3339(),
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},
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"apt_ostree": {
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"version": env!("CARGO_PKG_VERSION"),
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"commit_type": "package_layer",
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"atomic_filesystem": true,
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}
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});
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// Create OSTree commit
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let commit_id = ostree_manager.create_commit(
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staging_path,
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&format!("Package: {} {}", package_metadata.name, package_metadata.version),
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Some(&format!("Install package {} version {}", package_metadata.name, package_metadata.version)),
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&commit_metadata,
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).await?;
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info!("Created OSTree commit: {} for package: {}", commit_id, package_metadata.name);
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Ok(commit_id)
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}
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async fn create_atomic_filesystem_layout(&self, staging_path: &Path) -> AptOstreeResult<()> {
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info!("Creating atomic filesystem layout in {:?}", staging_path);
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// Create the standard atomic filesystem structure
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let dirs = [
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"usr",
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"usr/bin", "usr/sbin", "usr/lib", "usr/lib64", "usr/share", "usr/include",
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"etc", "var", "var/lib", "var/cache", "var/log", "var/spool",
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"opt", "srv", "mnt", "tmp",
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];
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for dir in &dirs {
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let dir_path = staging_path.join(dir);
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tokio::fs::create_dir_all(&dir_path)
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.await
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.map_err(|e| AptOstreeError::Io(e))?;
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}
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// Create symlinks for atomic filesystem layout
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let symlinks = [
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("home", "var/home"),
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("root", "var/roothome"),
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("usr/local", "var/usrlocal"),
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("mnt", "var/mnt"),
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];
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for (link, target) in &symlinks {
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let link_path = staging_path.join(link);
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let target_path = staging_path.join(target);
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// Create target directory if it doesn't exist
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if let Some(parent) = target_path.parent() {
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tokio::fs::create_dir_all(parent)
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.await
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.map_err(|e| AptOstreeError::Io(e))?;
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}
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// Create symlink (this will be handled by OSTree during deployment)
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// For now, we'll create the target directory structure
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tokio::fs::create_dir_all(&target_path)
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.await
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.map_err(|e| AptOstreeError::Io(e))?;
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}
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info!("Created atomic filesystem layout");
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Ok(())
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}
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async fn copy_package_files_to_layout(&self, files_dir: &Path, staging_path: &Path) -> AptOstreeResult<()> {
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info!("Copying package files to atomic layout");
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// Walk through extracted files and copy them to appropriate locations
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let mut entries = tokio::fs::read_dir(files_dir)
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.await
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.map_err(|e| AptOstreeError::Io(e))?;
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while let Some(entry) = entries.next_entry()
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.await
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.map_err(|e| AptOstreeError::Io(e))? {
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let entry_path = entry.path();
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let file_name = entry_path.file_name()
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.ok_or_else(|| AptOstreeError::DebParsing("Invalid file path".to_string()))?
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.to_string_lossy();
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// Skip DEBIAN directory (handled separately)
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if file_name == "DEBIAN" {
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continue;
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}
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// Determine target path in atomic layout
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let target_path = staging_path.join(&*file_name);
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if entry.file_type()
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.await
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.map_err(|e| AptOstreeError::Io(e))?
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.is_dir() {
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// Copy directory recursively
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self.copy_directory_recursive(&entry_path, &target_path)?;
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} else {
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// Copy file
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if let Some(parent) = target_path.parent() {
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tokio::fs::create_dir_all(parent)
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.await
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.map_err(|e| AptOstreeError::Io(e))?;
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}
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tokio::fs::copy(&entry_path, &target_path)
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.await
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.map_err(|e| AptOstreeError::Io(e))?;
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}
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}
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info!("Copied package files to atomic layout");
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Ok(())
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}
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fn copy_directory_recursive(&self, src: &Path, dst: &Path) -> AptOstreeResult<()> {
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std::fs::create_dir_all(dst)
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.map_err(|e| AptOstreeError::Io(e))?;
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for entry in std::fs::read_dir(src)
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.map_err(|e| AptOstreeError::Io(e))? {
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let entry = entry.map_err(|e| AptOstreeError::Io(e))?;
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let entry_path = entry.path();
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let file_name = entry_path.file_name()
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.ok_or_else(|| AptOstreeError::DebParsing("Invalid file path".to_string()))?
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.to_string_lossy();
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let target_path = dst.join(&*file_name);
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if entry.file_type()
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.map_err(|e| AptOstreeError::Io(e))?
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.is_dir() {
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self.copy_directory_recursive(&entry_path, &target_path)?;
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} else {
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std::fs::copy(&entry_path, &target_path)
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.map_err(|e| AptOstreeError::Io(e))?;
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}
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}
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Ok(())
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}
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}
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/// DEB package metadata
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#[derive(Debug, Clone, Serialize, Deserialize)]
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pub struct DebPackageMetadata {
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pub name: String,
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pub version: String,
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pub architecture: String,
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pub description: String,
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pub depends: Vec<String>,
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pub conflicts: Vec<String>,
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pub provides: Vec<String>,
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pub scripts: HashMap<String, String>,
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}
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/// OSTree-compatible APT manager
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pub struct OstreeAptManager {
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config: OstreeAptConfig,
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package_converter: PackageOstreeConverter,
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}
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impl OstreeAptManager {
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/// Create a new OSTree-compatible APT manager
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pub fn new(
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config: OstreeAptConfig,
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apt_manager: &AptManager,
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ostree_manager: &OstreeManager
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) -> Self {
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let package_converter = PackageOstreeConverter::new(config.clone());
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Self {
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config,
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package_converter,
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}
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}
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/// Configure APT for OSTree compatibility
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pub async fn configure_for_ostree(&self) -> AptOstreeResult<()> {
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info!("Configuring APT for OSTree compatibility");
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// Create OSTree-specific APT configuration
|
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self.create_ostree_apt_config().await?;
|
|
|
|
// Set up package cache directory
|
|
self.setup_package_cache().await?;
|
|
|
|
// Configure script execution environment
|
|
self.setup_script_environment().await?;
|
|
|
|
info!("APT configured for OSTree compatibility");
|
|
Ok(())
|
|
}
|
|
|
|
/// Create OSTree-specific APT configuration
|
|
async fn create_ostree_apt_config(&self) -> AptOstreeResult<()> {
|
|
let apt_conf_dir = self.config.apt_db_path.join("apt.conf.d");
|
|
fs::create_dir_all(&apt_conf_dir)?;
|
|
|
|
let ostree_conf = format!(
|
|
r#"// OSTree-specific APT configuration
|
|
Dir::State "/usr/share/apt";
|
|
Dir::Cache "/var/lib/apt-ostree/cache";
|
|
Dir::Etc "/usr/share/apt";
|
|
Dir::Etc::SourceParts "/usr/share/apt/sources.list.d";
|
|
Dir::Etc::SourceList "/usr/share/apt/sources.list";
|
|
|
|
// Disable features incompatible with OSTree
|
|
APT::Get::AllowUnauthenticated "false";
|
|
APT::Get::AllowDowngrade "false";
|
|
APT::Get::AllowRemove-Essential "false";
|
|
APT::Get::AutomaticRemove "false";
|
|
APT::Get::AutomaticRemove-Kernels "false";
|
|
|
|
// OSTree-specific settings
|
|
APT::Get::Assume-Yes "false";
|
|
APT::Get::Show-Upgraded "true";
|
|
APT::Get::Show-Versions "true";
|
|
"#
|
|
);
|
|
|
|
let conf_path = apt_conf_dir.join("99ostree");
|
|
fs::write(&conf_path, ostree_conf)?;
|
|
|
|
info!("Created OSTree APT configuration: {}", conf_path.display());
|
|
Ok(())
|
|
}
|
|
|
|
/// Set up package cache directory
|
|
async fn setup_package_cache(&self) -> AptOstreeResult<()> {
|
|
fs::create_dir_all(&self.config.package_cache_path)?;
|
|
|
|
// Create subdirectories
|
|
let subdirs = ["archives", "lists", "partial"];
|
|
for subdir in &subdirs {
|
|
fs::create_dir_all(self.config.package_cache_path.join(subdir))?;
|
|
}
|
|
|
|
info!("Set up package cache directory: {}", self.config.package_cache_path.display());
|
|
Ok(())
|
|
}
|
|
|
|
/// Set up script execution environment
|
|
async fn setup_script_environment(&self) -> AptOstreeResult<()> {
|
|
fs::create_dir_all(&self.config.script_env_path)?;
|
|
|
|
// Create script execution directories
|
|
let script_dirs = ["preinst", "postinst", "prerm", "postrm"];
|
|
for dir in &script_dirs {
|
|
fs::create_dir_all(self.config.script_env_path.join(dir))?;
|
|
}
|
|
|
|
info!("Set up script execution environment: {}", self.config.script_env_path.display());
|
|
Ok(())
|
|
}
|
|
|
|
/// Install packages using "from scratch" philosophy
|
|
pub async fn install_packages_ostree(&self, packages: &[String], ostree_manager: &OstreeManager) -> AptOstreeResult<()> {
|
|
info!("Installing packages using OSTree 'from scratch' approach");
|
|
|
|
// Download packages to cache
|
|
let deb_paths = self.download_packages(packages).await?;
|
|
|
|
// Convert each package to OSTree commit
|
|
let mut commit_ids = Vec::new();
|
|
for deb_path in deb_paths {
|
|
let commit_id = self.package_converter.deb_to_ostree_commit(&deb_path, ostree_manager).await?;
|
|
commit_ids.push(commit_id);
|
|
}
|
|
|
|
// TODO: Implement filesystem assembly from OSTree commits
|
|
// This would involve:
|
|
// 1. Creating a new deployment branch
|
|
// 2. Assembling filesystem from base + package commits
|
|
// 3. Running scripts in sandboxed environment
|
|
// 4. Creating final OSTree commit
|
|
|
|
info!("Successfully converted {} packages to OSTree commits", commit_ids.len());
|
|
Ok(())
|
|
}
|
|
|
|
/// Download packages to cache
|
|
async fn download_packages(&self, packages: &[String]) -> AptOstreeResult<Vec<PathBuf>> {
|
|
info!("Downloading packages: {:?}", packages);
|
|
|
|
let mut deb_paths = Vec::new();
|
|
let archives_dir = self.config.package_cache_path.join("archives");
|
|
|
|
for package_name in packages {
|
|
// Use apt-get to download package
|
|
let output = Command::new("apt-get")
|
|
.args(&["download", package_name])
|
|
.current_dir(&archives_dir)
|
|
.output()
|
|
.map_err(|e| AptOstreeError::PackageOperation(format!("Failed to download {}: {}", package_name, e)))?;
|
|
|
|
if !output.status.success() {
|
|
return Err(AptOstreeError::PackageOperation(
|
|
format!("Failed to download package: {}", package_name)
|
|
));
|
|
}
|
|
|
|
// Find the downloaded .deb file
|
|
for entry in fs::read_dir(&archives_dir)? {
|
|
let entry = entry?;
|
|
let path = entry.path();
|
|
if path.extension().and_then(|s| s.to_str()) == Some("deb") {
|
|
if path.file_name().and_then(|s| s.to_str()).unwrap_or("").contains(package_name) {
|
|
deb_paths.push(path);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
info!("Downloaded {} packages", deb_paths.len());
|
|
Ok(deb_paths)
|
|
}
|
|
|
|
/// Execute DEB scripts in sandboxed environment
|
|
pub async fn execute_deb_script(&self, script_path: &Path, script_type: &str) -> AptOstreeResult<()> {
|
|
info!("Executing DEB script: {} ({})", script_path.display(), script_type);
|
|
|
|
// Create sandboxed execution environment
|
|
let sandbox_dir = self.config.script_env_path.join(script_type).join(
|
|
format!("script_{}", chrono::Utc::now().timestamp())
|
|
);
|
|
fs::create_dir_all(&sandbox_dir)?;
|
|
|
|
// Copy script to sandbox
|
|
let sandbox_script = sandbox_dir.join("script");
|
|
fs::copy(script_path, &sandbox_script)?;
|
|
fs::set_permissions(&sandbox_script, fs::Permissions::from_mode(0o755))?;
|
|
|
|
// TODO: Implement proper sandboxing with bubblewrap
|
|
// For now, execute directly (unsafe)
|
|
let output = Command::new(&sandbox_script)
|
|
.current_dir(&sandbox_dir)
|
|
.env("PATH", "/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin")
|
|
.env("DEBIAN_FRONTEND", "noninteractive")
|
|
.output()
|
|
.map_err(|e| AptOstreeError::ScriptExecution(format!("Script execution failed: {}", e)))?;
|
|
|
|
if !output.status.success() {
|
|
let stderr = String::from_utf8_lossy(&output.stderr);
|
|
return Err(AptOstreeError::ScriptExecution(
|
|
format!("Script failed with exit code {}: {}", output.status, stderr)
|
|
));
|
|
}
|
|
|
|
// Clean up sandbox
|
|
fs::remove_dir_all(&sandbox_dir)?;
|
|
|
|
info!("Successfully executed DEB script: {}", script_type);
|
|
Ok(())
|
|
}
|
|
}
|