forked from brl/citadel-tools
installer refactored to support RealmFS
This commit is contained in:
parent
a0d39431e8
commit
e5d0b7f6f2
@ -43,9 +43,7 @@ pub fn run_cli_install_with<P: AsRef<Path>>(target: P) -> Result<bool> {
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}
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fn run_install(disk: Disk, passphrase: String) -> Result<()> {
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let mut install = Installer::new();
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install.set_target(disk.path().to_str().unwrap());
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install.set_passphrase(&passphrase);
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let mut install = Installer::new(disk.path(), &passphrase);
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install.set_install_syslinux(true);
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install.verify()?;
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install.run()
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@ -6,6 +6,9 @@ use std::path::{Path, PathBuf};
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use std::process::Command;
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use std::time::Instant;
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use libcitadel::util::{mount,exec_cmdline_with_output};
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use libcitadel::RealmFS;
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use super::util;
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use super::Result;
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@ -24,6 +27,7 @@ const BTRFS: &str = "/bin/btrfs";
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const MOUNT: &str = "/bin/mount";
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const UMOUNT: &str = "/bin/umount";
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const CHOWN: &str = "/bin/chown";
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const CP: &str = "/bin/cp";
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const TAR: &str = "/bin/tar";
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const XZ: &str = "/bin/xz";
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const DD: &str = "/bin/dd";
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@ -40,31 +44,72 @@ const DEFAULT_ARTIFACT_DIRECTORY: &str = "/run/images";
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const KERNEL_CMDLINE: &str = "add_efi_memmap intel_iommu=off cryptomgr.notests rcupdate.rcu_expedited=1 rcu_nocbs=0-64 tsc=reliable no_timer_check noreplace-smp i915.fastboot=1 quiet splash";
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const MAIN_REALM_CONFIG: &str =
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r###"\
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realmfs = "main"
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realmfs-write = true
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"###;
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const LIVE_REALM_CONFIG: &str =
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r###"\
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realmfs = "base"
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realmfs-write = false
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"###;
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#[derive(PartialEq)]
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enum InstallType {
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LiveSetup,
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Install,
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}
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pub struct Installer {
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_type: InstallType,
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install_syslinux: bool,
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target_device: String,
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passphrase: String,
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storage_base: PathBuf,
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target_device: Option<PathBuf>,
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passphrase: Option<String>,
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artifact_directory: String,
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logfile: Option<RefCell<File>>,
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}
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impl Installer {
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pub fn new() -> Installer {
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pub fn new<P: AsRef<Path>>(target_device: P, passphrase: &str) -> Installer {
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let target_device = Some(target_device.as_ref().to_owned());
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let passphrase = Some(passphrase.to_owned());
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Installer {
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_type: InstallType::Install,
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install_syslinux: true,
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target_device: String::new(),
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passphrase: String::new(),
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storage_base: PathBuf::from(INSTALL_MOUNT),
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target_device,
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passphrase,
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artifact_directory: DEFAULT_ARTIFACT_DIRECTORY.to_string(),
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logfile: None,
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}
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}
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pub fn set_target(&mut self, target: &str) {
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self.target_device = target.to_owned()
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pub fn new_livesetup() -> Installer {
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Installer {
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_type: InstallType::LiveSetup,
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install_syslinux: false,
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storage_base: PathBuf::from("/sysroot/storage"),
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target_device: None,
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passphrase: None,
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artifact_directory: DEFAULT_ARTIFACT_DIRECTORY.to_string(),
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logfile: None,
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}
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}
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pub fn set_passphrase(&mut self, passphrase: &str) {
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self.passphrase = passphrase.to_owned()
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fn target(&self) -> &Path {
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self.target_device.as_ref().expect("No target device")
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}
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fn passphrase(&self) -> &str {
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self.passphrase.as_ref().expect("No passphrase")
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}
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fn storage(&self) -> &Path {
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&self.storage_base
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}
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pub fn set_install_syslinux(&mut self, val: bool) {
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@ -83,14 +128,8 @@ impl Installer {
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kernel_img.as_str(), EXTRA_IMAGE_NAME,
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];
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if self.target_device.is_empty() {
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bail!("No target device set in install configuration");
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}
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if self.passphrase.is_empty() {
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bail!("No passphrase set in install configuration");
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}
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if !Path::new(&self.target_device).exists() {
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bail!("Target device {} does not exist", self.target_device);
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if !self.target().exists() {
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bail!("Target device {} does not exist", self.target().display());
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}
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for tool in tools {
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@ -105,65 +144,85 @@ impl Installer {
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}
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}
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if !self.artifact_path("appimg-rootfs.tar").exists() && !self.artifact_path("appimg-rootfs.tar.xz").exists() {
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bail!("Required component appimg-rootfs.tar(.xz) does not exist in {}",self.artifact_directory);
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}
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Ok(())
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}
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pub fn run(&self) -> Result<()> {
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match self._type {
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InstallType::Install => self.run_install(),
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InstallType::LiveSetup => self.run_live_setup(),
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}
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}
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pub fn run_install(&self) -> Result<()> {
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let start = Instant::now();
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fs::create_dir_all(INSTALL_MOUNT)?;
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self.partition_disk()?;
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self.setup_luks()?;
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self.setup_lvm()?;
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self.setup_boot()?;
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self.create_storage()?;
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self.output("\n")?;
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self.header("Installing rootfs partitions\n")?;
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let rootfs = self.artifact_path("citadel-rootfs.img");
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self.cmd(CITADEL_IMAGE, format!("install-rootfs --skip-sha {}", rootfs.display()))?;
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self.cmd(CITADEL_IMAGE, format!("install-rootfs --skip-sha --no-prefer {}", rootfs.display()))?;
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self.cmd(LSBLK, format!("-o NAME,SIZE,TYPE,FSTYPE {}", &self.target_device))?;
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self.cmd(VGCHANGE, "-an citadel")?;
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self.cmd(CRYPTSETUP, "luksClose luks-install")?;
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self.install_rootfs_partitions()?;
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self.finish_install()?;
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self.header(format!("Install completed successfully in {} seconds", start.elapsed().as_secs()))?;
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Ok(())
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}
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pub fn live_setup(&self) -> Result<()> {
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pub fn run_live_setup(&self) -> Result<()> {
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self.cmd(MOUNT, "-t tmpfs var-tmpfs /sysroot/var")?;
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self.cmd(MOUNT, "-t tmpfs home-tmpfs /sysroot/home")?;
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let _ = fs::read("/sys/class/zram-control/hot_add")?;
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// Create an 8gb zram disk to use as /storage partition
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fs::write("/sys/block/zram1/comp_algorithm", "lz4")?;
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fs::write("/sys/block/zram1/disksize", "8G")?;
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self.cmd(MKFS_BTRFS, "/dev/zram1")?;
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self.cmd(MOUNT, "/dev/zram1 /sysroot/storage")?;
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self.cmd(MOUNT, "-t tmpfs storage-tmpfs /sysroot/storage")?;
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fs::create_dir_all("/sysroot/storage/realms")?;
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self.cmd(MOUNT, "--bind /sysroot/storage/realms /sysroot/realms")?;
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let cmdline = fs::read_to_string("/proc/cmdline")?;
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if cmdline.contains("citadel.live") {
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self.setup_storage(Path::new("/sysroot/storage"), false)?;
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self.setup_live_realm()?;
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}
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Ok(())
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}
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fn setup_live_realm(&self) -> Result<()> {
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self.cmd(CITADEL_IMAGE, format!("decompress /run/images/base-realmfs.img"))?;
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let realmfs_dir = self.storage().join("realms/realmfs-images");
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let base_realmfs = realmfs_dir.join("base-realmfs.img");
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self.info(format!("creating directory {}", realmfs_dir.display()))?;
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fs::create_dir_all(&realmfs_dir)?;
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self.info(format!("creating symlink {} -> {}", base_realmfs.display(), "/run/images/base-realmfs.img"))?;
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unixfs::symlink("/run/images/base-realmfs.img", &base_realmfs)?;
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self.mount_realmfs()?;
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self.setup_storage()?;
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/*
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self.setup_main_realm()?;
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fs::write(self.storage().join("realms/realm-main/config"), "realmfs = \"base\"")?;
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let rootfs = self.storage().join("realms/realm-main/rootfs");
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fs::remove_file(&rootfs)?;
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unixfs::symlink("/run/images/base-realmfs.mountpoint", &rootfs)?;
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self.info("Creating /Shared realms directory")?;
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fs::create_dir_all(self.storage().join("realms/Shared"))?;
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self.cmd(CHOWN, format!("1000:1000 {}/realms/Shared", self.storage().display()))?;
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*/
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Ok(())
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}
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pub fn mount_realmfs(&self) -> Result<()> {
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self.info("Creating loop device for /run/images/base-realmfs.img")?;
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let args = format!("--offset 4096 -f --show /run/images/base-realmfs.img");
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let loopdev = exec_cmdline_with_output("/sbin/losetup", args)?;
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self.info("Mounting image at /run/images/base-realmfs.mountpoint")?;
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fs::create_dir_all("/run/images/base-realmfs.mountpoint")?;
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mount(&loopdev, "/run/images/base-realmfs.mountpoint", Some("-oro"))?;
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Ok(())
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}
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fn partition_disk(&self) -> Result<()> {
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self.header("Partitioning target disk")?;
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self.cmd(BLKDEACTIVATE, &self.target_device)?;
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self.cmd(BLKDEACTIVATE, self.target().display().to_string())?;
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self.parted("mklabel gpt")?;
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self.parted("mkpart boot fat32 1MiB 513MiB")?;
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self.parted("set 1 boot on")?;
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@ -173,13 +232,14 @@ impl Installer {
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}
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fn parted(&self, cmdline: &str) -> Result<()> {
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let args = format!("-s {} {}", self.target_device, cmdline);
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let args = format!("-s {} {}", self.target().display(), cmdline);
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self.cmd(PARTED, args)
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}
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fn setup_luks(&self) -> Result<()> {
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self.header("Setting up LUKS disk encryption")?;
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fs::write(LUKS_PASSPHRASE_FILE, self.passphrase.as_bytes())?;
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fs::create_dir_all(INSTALL_MOUNT)?;
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fs::write(LUKS_PASSPHRASE_FILE, self.passphrase().as_bytes())?;
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let luks_partition = self.target_partition(2);
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let args = format!(
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@ -278,7 +338,7 @@ impl Installer {
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if !mbrbin.exists() {
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bail!("Could not find MBR image: {}", mbrbin.display());
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}
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let args = format!("bs=440 count=1 conv=notrunc if={} of={}", mbrbin.display(), self.target_device);
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let args = format!("bs=440 count=1 conv=notrunc if={} of={}", mbrbin.display(), self.target().display());
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self.cmd(DD, args)?;
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self.parted("set 1 legacy_boot on")?;
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Ok(())
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@ -304,79 +364,122 @@ impl Installer {
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self.header("Setting up /storage partition")?;
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self.cmd(MKFS_BTRFS, "/dev/mapper/citadel-storage")?;
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self.cmd(MOUNT, format!("/dev/mapper/citadel-storage {}", INSTALL_MOUNT))?;
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self.setup_storage(Path::new(INSTALL_MOUNT), true)?;
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self.setup_storage()?;
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self.cmd(UMOUNT, INSTALL_MOUNT)?;
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Ok(())
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}
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fn setup_storage(&self, base: &Path, copy_resources: bool) -> Result<()> {
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if copy_resources {
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self.setup_storage_resources(base)?;
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fn setup_storage(&self) -> Result<()> {
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if self._type == InstallType::Install {
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self.setup_storage_resources()?;
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self.setup_base_realmfs()?;
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}
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self.setup_base_appimg(base)?;
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self.setup_main_realm(base)?;
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self.setup_main_realm()?;
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self.info("Creating /Shared realms directory")?;
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fs::create_dir_all(base.join("realms/Shared"))?;
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self.cmd(CHOWN, format!("1000:1000 {}/realms/Shared", base.display()))?;
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fs::create_dir_all(self.storage().join("realms/Shared"))?;
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self.cmd(CHOWN, format!("1000:1000 {}/realms/Shared", self.storage().display()))?;
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Ok(())
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}
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fn setup_base_appimg(&self, base: &Path) -> Result<()> {
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self.header("Unpacking appimg rootfs")?;
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let appimg_dir = base.join("appimg");
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fs::create_dir_all(&appimg_dir)?;
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self.cmd(BTRFS, format!("subvolume create {}/base.appimg", appimg_dir.display()))?;
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let xz_rootfs = self.artifact_path("appimg-rootfs.tar.xz");
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if xz_rootfs.exists() {
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self.cmd(XZ, format!("-d {}", xz_rootfs.display()))?;
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}
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let rootfs_bundle = self.artifact_path("appimg-rootfs.tar");
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self.cmd(TAR, format!("-C {}/base.appimg -xf {}", appimg_dir.display(), rootfs_bundle.display()))?;
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fn setup_base_realmfs(&self) -> Result<()> {
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let realmfs_dir = self.storage().join("realms/realmfs-images");
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fs::create_dir_all(&realmfs_dir)?;
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self.sparse_copy_artifact("base-realmfs.img", &realmfs_dir)?;
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self.cmd(CITADEL_IMAGE, format!("decompress {}/base-realmfs.img", realmfs_dir.display()))?;
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self.info("Creating main-realmfs as fork of base-realmfs")?;
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let base_path = realmfs_dir.join("base-realmfs.img");
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let base_image = RealmFS::load_from_path(base_path, "base")?;
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base_image.fork("main")?;
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fs::write(self.storage().join("realms/config"), "realmfs=\"main\"\n")?;
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Ok(())
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}
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fn setup_main_realm(&self, base: &Path) -> Result<()> {
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fn setup_main_realm(&self) -> Result<()> {
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self.header("Creating main realm")?;
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let realm = base.join("realms/realm-main");
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let home = realm.join("home");
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let realm = self.storage().join("realms/realm-main");
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self.info("Creating home directory /realms/realm-main/home")?;
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let home = realm.join("home");
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fs::create_dir_all(&home)?;
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self.cmd(BTRFS, format!("subvolume snapshot {}/appimg/base.appimg {}/rootfs",
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base.display(), realm.display()))?;
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self.info("Copying .bashrc and .profile into home diectory")?;
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fs::copy(realm.join("rootfs/home/user/.bashrc"), home.join(".bashrc"))?;
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fs::copy(realm.join("rootfs/home/user/.profile"), home.join(".profile"))?;
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fs::copy(self.skel().join("bashrc"), home.join(".bashrc"))?;
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fs::copy(self.skel().join("profile"), home.join(".profile"))?;
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self.cmd(CHOWN, format!("-R 1000:1000 {}", home.display()))?;
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self.info("Creating main realm config file")?;
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fs::write(realm.join("config"), self.main_realm_config())?;
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/*
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self.info("Creating rootfs symlink")?;
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unixfs::symlink(
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format!("/run/images/{}-realmfs.mountpoint", self.main_realmfs()),
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format!("{}/rootfs", realm.display()))?;
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*/
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self.info("Creating default.realm symlink")?;
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unixfs::symlink("realm-main", base.join("realms/default.realm"))?;
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unixfs::symlink("realm-main", self.storage().join("realms/default.realm"))?;
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Ok(())
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}
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fn setup_storage_resources(&self, base: &Path) -> Result<()> {
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fn setup_storage_resources(&self) -> Result<()> {
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let channel = util::rootfs_channel();
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let resources = base.join("resources").join(channel);
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let resources = self.storage().join("resources").join(channel);
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fs::create_dir_all(&resources)?;
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self.copy_artifact(EXTRA_IMAGE_NAME, &resources)?;
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self.sparse_copy_artifact(EXTRA_IMAGE_NAME, &resources)?;
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let kernel_img = self.kernel_imagename();
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self.copy_artifact(&kernel_img, &resources)?;
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self.sparse_copy_artifact(&kernel_img, &resources)?;
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Ok(())
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}
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fn install_rootfs_partitions(&self) -> Result<()> {
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self.header("Installing rootfs partitions")?;
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let rootfs = self.artifact_path("citadel-rootfs.img");
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self.cmd(CITADEL_IMAGE, format!("install-rootfs --skip-sha {}", rootfs.display()))?;
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self.cmd(CITADEL_IMAGE, format!("install-rootfs --skip-sha --no-prefer {}", rootfs.display()))?;
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Ok(())
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}
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fn finish_install(&self) -> Result<()> {
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self.cmd(LSBLK, format!("-o NAME,SIZE,TYPE,FSTYPE {}", self.target().display()))?;
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self.cmd(VGCHANGE, "-an citadel")?;
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self.cmd(CRYPTSETUP, "luksClose luks-install")?;
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Ok(())
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}
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fn main_realm_config(&self) -> &str {
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match self._type {
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InstallType::Install => MAIN_REALM_CONFIG,
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InstallType::LiveSetup => LIVE_REALM_CONFIG,
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}
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}
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/*
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fn main_realmfs(&self) -> &str {
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match self._type {
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InstallType::Install => "main",
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InstallType::LiveSetup => "base",
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||||
}
|
||||
}
|
||||
*/
|
||||
|
||||
fn skel(&self) -> &Path{
|
||||
match self._type {
|
||||
InstallType::Install => Path::new("/etc/skel"),
|
||||
InstallType::LiveSetup => Path::new("/sysroot/etc/skel"),
|
||||
}
|
||||
}
|
||||
|
||||
fn kernel_imagename(&self) -> String {
|
||||
let utsname = util::uname();
|
||||
let v = utsname.release().split("-").collect::<Vec<_>>();
|
||||
@ -384,7 +487,7 @@ impl Installer {
|
||||
}
|
||||
|
||||
fn target_partition(&self, num: usize) -> String {
|
||||
format!("{}{}", self.target_device, num)
|
||||
format!("{}{}", self.target().display(), num)
|
||||
}
|
||||
|
||||
fn artifact_path(&self, filename: &str) -> PathBuf {
|
||||
@ -392,6 +495,14 @@ impl Installer {
|
||||
}
|
||||
|
||||
fn copy_artifact<P: AsRef<Path>>(&self, filename: &str, target: P) -> Result<()> {
|
||||
self._copy_artifact(filename, target, false)
|
||||
}
|
||||
|
||||
fn sparse_copy_artifact<P: AsRef<Path>>(&self, filename: &str, target: P) -> Result<()> {
|
||||
self._copy_artifact(filename, target, true)
|
||||
}
|
||||
|
||||
fn _copy_artifact<P: AsRef<Path>>(&self, filename: &str, target: P, sparse: bool) -> Result<()> {
|
||||
self.info(format!("Copying {} to {}", filename, target.as_ref().display()))?;
|
||||
let src = self.artifact_path(filename);
|
||||
let target = target.as_ref();
|
||||
@ -399,10 +510,15 @@ impl Installer {
|
||||
fs::create_dir_all(target)?;
|
||||
}
|
||||
let dst = target.join(filename);
|
||||
if sparse {
|
||||
self.cmd(CP, format!("--sparse=always {} {}", src.display(), dst.display()))?;
|
||||
} else {
|
||||
fs::copy(src, dst)?;
|
||||
}
|
||||
Ok(())
|
||||
}
|
||||
|
||||
|
||||
fn header<S: AsRef<str>>(&self, s: S) -> Result<()> {
|
||||
self.output(format!("\n[+] {}\n", s.as_ref()))
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user