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3 Commits
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7a4e11e124
Author | SHA1 | Date | |
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7a4e11e124 | |||
b3f56cea81 | |||
9bd702d60f |
@ -122,19 +122,22 @@ pub const API_TOKEN_DESCRIPTION_MAX_LENGTH: usize = 30;
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pub const API_TOKEN_RIGHT_PATH_MAX_LENGTH: usize = 255;
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/// Qemu image program path
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pub const QEMU_IMAGE_PROGRAM: &str = "/usr/bin/qemu-img";
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pub const PROGRAM_QEMU_IMAGE: &str = "/usr/bin/qemu-img";
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/// IP program path
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pub const IP_PROGRAM: &str = "/usr/sbin/ip";
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pub const PROGRAM_IP: &str = "/usr/sbin/ip";
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/// Copy program path
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pub const COPY_PROGRAM: &str = "/bin/cp";
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pub const PROGRAM_COPY: &str = "/bin/cp";
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/// Gzip program path
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pub const GZIP_PROGRAM: &str = "/usr/bin/gzip";
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pub const PROGRAM_GZIP: &str = "/usr/bin/gzip";
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/// Bash program
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pub const BASH_PROGRAM: &str = "/usr/bin/bash";
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pub const PROGRAM_BASH: &str = "/usr/bin/bash";
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/// DD program
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pub const DD_PROGRAM: &str = "/usr/bin/dd";
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pub const PROGRAM_DD: &str = "/usr/bin/dd";
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/// cloud-localds program
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pub const PROGRAM_CLOUD_LOCALDS: &str = "/usr/bin/cloud-localds";
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@ -1,4 +1,5 @@
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use crate::libvirt_lib_structures::XMLUuid;
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use crate::utils::cloud_init_utils::CloudInitConfig;
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/// VirtWeb specific metadata
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#[derive(serde::Serialize, serde::Deserialize, Default, Debug, Clone)]
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@ -8,6 +9,8 @@ pub struct DomainMetadataVirtWebXML {
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pub ns: String,
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#[serde(skip_serializing_if = "Option::is_none")]
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pub group: Option<String>,
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#[serde(skip_serializing_if = "Option::is_none")]
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pub cloud_init: Option<CloudInitConfig>,
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}
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/// Domain metadata
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@ -4,6 +4,7 @@ use crate::libvirt_lib_structures::XMLUuid;
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use crate::libvirt_lib_structures::domain::*;
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use crate::libvirt_rest_structures::LibVirtStructError;
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use crate::libvirt_rest_structures::LibVirtStructError::StructureExtraction;
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use crate::utils::cloud_init_utils::CloudInitConfig;
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use crate::utils::file_size_utils::FileSize;
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use crate::utils::files_utils;
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use crate::utils::vm_file_disks_utils::{VMDiskBus, VMDiskFormat, VMFileDisk};
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@ -94,6 +95,9 @@ pub struct VMInfo {
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pub tpm_module: bool,
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/// Strings injected as OEM Strings in SMBios configuration
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pub oem_strings: Vec<String>,
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/// Cloud init configuration
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#[serde(default)]
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pub cloud_init: CloudInitConfig,
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}
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impl VMInfo {
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@ -340,6 +344,7 @@ impl VMInfo {
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virtweb: DomainMetadataVirtWebXML {
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ns: "https://virtweb.communiquons.org".to_string(),
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group: self.group.clone().map(|g| g.0),
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cloud_init: Some(self.cloud_init.clone()),
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},
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}),
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os: OSXML {
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@ -582,6 +587,13 @@ impl VMInfo {
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.and_then(|s| s.oem_strings)
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.map(|s| s.entries.iter().map(|o| o.content.to_string()).collect())
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.unwrap_or_default(),
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cloud_init: domain
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.metadata
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.clone()
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.unwrap_or_default()
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.virtweb
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.cloud_init
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.unwrap_or_default(),
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})
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}
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}
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@ -47,13 +47,17 @@ async fn main() -> std::io::Result<()> {
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log::debug!("Checking for required programs");
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exec_utils::check_program(
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constants::QEMU_IMAGE_PROGRAM,
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constants::PROGRAM_QEMU_IMAGE,
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"QEMU disk image utility is required to manipulate QCow2 files!",
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);
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exec_utils::check_program(
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constants::IP_PROGRAM,
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constants::PROGRAM_IP,
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"ip is required to access bridges information!",
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);
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exec_utils::check_program(
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constants::PROGRAM_CLOUD_LOCALDS,
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"cloud-localds from package cloud-image-utils is required to build cloud-init images!",
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);
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log::debug!("Create required directory, if missing");
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files_utils::create_directory_if_missing(AppConfig::get().iso_storage_path()).unwrap();
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19
virtweb_backend/src/utils/cloud_init_utils.rs
Normal file
19
virtweb_backend/src/utils/cloud_init_utils.rs
Normal file
@ -0,0 +1,19 @@
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/// VM Cloud Init configuration
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///
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/// RedHat documentation: https://docs.redhat.com/fr/documentation/red_hat_enterprise_linux/9/html/configuring_and_managing_cloud-init_for_rhel_9/configuring-cloud-init_cloud-content
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/// cloud-localds source code: https://github.com/canonical/cloud-utils/blob/main/bin/cloud-localds
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#[derive(Clone, Debug, serde::Serialize, serde::Deserialize, Default)]
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pub struct CloudInitConfig {
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attach_config: bool,
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/// Main user data
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user_data: String,
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/// Instance ID, set in metadata file
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#[serde(skip_serializing_if = "Option::is_none")]
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instance_id: Option<String>,
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/// Local hostname, set in metadata file
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#[serde(skip_serializing_if = "Option::is_none")]
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local_hostname: Option<String>,
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/// Network configuration
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#[serde(skip_serializing_if = "Option::is_none")]
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network_configuration: Option<String>,
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}
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@ -124,7 +124,7 @@ impl DiskFileInfo {
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}
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DiskFileFormat::QCow2 { virtual_size } => {
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let mut cmd = Command::new(constants::QEMU_IMAGE_PROGRAM);
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let mut cmd = Command::new(constants::PROGRAM_QEMU_IMAGE);
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cmd.arg("create")
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.arg("-f")
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.arg("qcow2")
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@ -161,7 +161,7 @@ impl DiskFileInfo {
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let mut cmd = match (self.format, dest_format) {
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// Decompress QCow2
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(DiskFileFormat::CompressedQCow2, DiskFileFormat::QCow2 { .. }) => {
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let mut cmd = Command::new(constants::GZIP_PROGRAM);
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let mut cmd = Command::new(constants::PROGRAM_GZIP);
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cmd.arg("--keep")
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.arg("--decompress")
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.arg("--to-stdout")
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@ -172,7 +172,7 @@ impl DiskFileInfo {
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// Compress QCow2
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(DiskFileFormat::QCow2 { .. }, DiskFileFormat::CompressedQCow2) => {
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let mut cmd = Command::new(constants::GZIP_PROGRAM);
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let mut cmd = Command::new(constants::PROGRAM_GZIP);
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cmd.arg("--keep")
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.arg("--to-stdout")
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.arg(&self.file_path)
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@ -182,7 +182,7 @@ impl DiskFileInfo {
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// Convert QCow2 to Raw file
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(DiskFileFormat::QCow2 { .. }, DiskFileFormat::Raw { is_sparse }) => {
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let mut cmd = Command::new(constants::QEMU_IMAGE_PROGRAM);
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let mut cmd = Command::new(constants::PROGRAM_QEMU_IMAGE);
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cmd.arg("convert")
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.arg("-f")
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.arg("qcow2")
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@ -201,7 +201,7 @@ impl DiskFileInfo {
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// Clone a QCow file, using qemu-image instead of cp might improve "sparsification" of
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// file
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(DiskFileFormat::QCow2 { .. }, DiskFileFormat::QCow2 { .. }) => {
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let mut cmd = Command::new(constants::QEMU_IMAGE_PROGRAM);
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let mut cmd = Command::new(constants::PROGRAM_QEMU_IMAGE);
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cmd.arg("convert")
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.arg("-f")
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.arg("qcow2")
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@ -214,7 +214,7 @@ impl DiskFileInfo {
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// Convert Raw to QCow2 file
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(DiskFileFormat::Raw { .. }, DiskFileFormat::QCow2 { .. }) => {
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let mut cmd = Command::new(constants::QEMU_IMAGE_PROGRAM);
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let mut cmd = Command::new(constants::PROGRAM_QEMU_IMAGE);
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cmd.arg("convert")
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.arg("-f")
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.arg("raw")
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@ -228,7 +228,7 @@ impl DiskFileInfo {
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// Render raw file non sparse
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(DiskFileFormat::Raw { is_sparse: true }, DiskFileFormat::Raw { is_sparse: false }) => {
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let mut cmd = Command::new(constants::COPY_PROGRAM);
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let mut cmd = Command::new(constants::PROGRAM_COPY);
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cmd.arg("--sparse=never")
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.arg(&self.file_path)
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.arg(&temp_file);
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@ -237,7 +237,7 @@ impl DiskFileInfo {
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// Render raw file sparse
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(DiskFileFormat::Raw { is_sparse: false }, DiskFileFormat::Raw { is_sparse: true }) => {
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let mut cmd = Command::new(constants::DD_PROGRAM);
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let mut cmd = Command::new(constants::PROGRAM_DD);
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cmd.arg("conv=sparse")
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.arg(format!("if={}", self.file_path.display()))
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.arg(format!("of={}", temp_file.display()));
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@ -246,7 +246,7 @@ impl DiskFileInfo {
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// Compress Raw
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(DiskFileFormat::Raw { .. }, DiskFileFormat::CompressedRaw) => {
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let mut cmd = Command::new(constants::GZIP_PROGRAM);
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let mut cmd = Command::new(constants::PROGRAM_GZIP);
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cmd.arg("--keep")
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.arg("--to-stdout")
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.arg(&self.file_path)
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@ -256,7 +256,7 @@ impl DiskFileInfo {
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// Decompress Raw to not sparse file
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(DiskFileFormat::CompressedRaw, DiskFileFormat::Raw { is_sparse: false }) => {
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let mut cmd = Command::new(constants::GZIP_PROGRAM);
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let mut cmd = Command::new(constants::PROGRAM_GZIP);
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cmd.arg("--keep")
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.arg("--decompress")
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.arg("--to-stdout")
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@ -268,12 +268,12 @@ impl DiskFileInfo {
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// Decompress Raw to sparse file
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// https://benou.fr/www/ben/decompressing-sparse-files.html
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(DiskFileFormat::CompressedRaw, DiskFileFormat::Raw { is_sparse: true }) => {
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let mut cmd = Command::new(constants::BASH_PROGRAM);
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let mut cmd = Command::new(constants::PROGRAM_BASH);
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cmd.arg("-c").arg(format!(
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"{} -d -c {} | {} conv=sparse of={}",
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constants::GZIP_PROGRAM,
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constants::PROGRAM_GZIP,
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self.file_path.display(),
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constants::DD_PROGRAM,
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constants::PROGRAM_DD,
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temp_file.display()
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));
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cmd
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@ -281,7 +281,7 @@ impl DiskFileInfo {
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// Dumb copy of file
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(a, b) if a == b => {
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let mut cmd = Command::new(constants::COPY_PROGRAM);
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let mut cmd = Command::new(constants::PROGRAM_COPY);
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cmd.arg("--sparse=auto")
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.arg(&self.file_path)
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.arg(&temp_file);
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@ -341,7 +341,7 @@ struct QCowInfoOutput {
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/// Get QCow2 virtual size
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fn qcow_virt_size(path: &Path) -> anyhow::Result<FileSize> {
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// Run qemu-img
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let mut cmd = Command::new(constants::QEMU_IMAGE_PROGRAM);
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let mut cmd = Command::new(constants::PROGRAM_QEMU_IMAGE);
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cmd.args([
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"info",
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path.to_str().unwrap_or(""),
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@ -353,7 +353,7 @@ fn qcow_virt_size(path: &Path) -> anyhow::Result<FileSize> {
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if !output.status.success() {
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anyhow::bail!(
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"{} info failed, status: {}, stderr: {}",
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constants::QEMU_IMAGE_PROGRAM,
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constants::PROGRAM_QEMU_IMAGE,
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output.status,
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String::from_utf8_lossy(&output.stderr)
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);
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@ -1,3 +1,4 @@
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pub mod cloud_init_utils;
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pub mod exec_utils;
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pub mod file_disks_utils;
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pub mod file_size_utils;
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@ -145,13 +145,13 @@ struct IPBridgeInfo {
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/// Get the list of bridge interfaces
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pub fn bridges_list() -> anyhow::Result<Vec<String>> {
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let mut cmd = Command::new(constants::IP_PROGRAM);
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let mut cmd = Command::new(constants::PROGRAM_IP);
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cmd.args(["-json", "link", "show", "type", "bridge"]);
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let output = cmd.output()?;
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if !output.status.success() {
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anyhow::bail!(
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"{} failed, status: {}, stderr: {}",
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constants::IP_PROGRAM,
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constants::PROGRAM_IP,
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output.status,
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String::from_utf8_lossy(&output.stderr)
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);
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@ -5,9 +5,9 @@
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sudo apt install libvirt-dev
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```
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2. Libvirt must also be installed:
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2. Libvirt and cloud image utilities must also be installed:
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```bash
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sudo apt install qemu-kvm libvirt-daemon-system
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sudo apt install qemu-kvm libvirt-daemon-system cloud-image-utils
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```
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3. Allow the current user to manage VMs:
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@ -12,10 +12,10 @@ The release file will be available in `virtweb_backend/target/release/virtweb_ba
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This is the only artifact that must be copied to the server. It is recommended to copy it to the `/usr/local/bin` directory.
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## Install requirements
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In order to work properly, VirtWeb relies on `libvirt`, `qemu` and `kvm`:
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In order to work properly, VirtWeb relies on `libvirt`, `qemu`, `kvm` and `cloud-localds`:
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```bash
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sudo apt install qemu-kvm libvirt-daemon-system libvirt0 libvirt-clients libvirt-daemon bridge-utils
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sudo apt install qemu-kvm libvirt-daemon-system libvirt0 libvirt-clients libvirt-daemon bridge-utils cloud-image-utils
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```
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## Dedicated user
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Reference in New Issue
Block a user