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flowey_hvlite/pipelines/
build_igvm.rs

1// Copyright (c) Microsoft Corporation.
2// Licensed under the MIT License.
3
4//! See [`BuildIgvmCli`]
5
6use crate::pipelines_shared::cfg_common_params::CommonArchCli;
7use flowey::node::prelude::ReadVar;
8use flowey::pipeline::prelude::*;
9use flowey_lib_hvlite::build_openhcl_igvm_from_recipe::OpenhclIgvmRecipe;
10use flowey_lib_hvlite::build_openhcl_igvm_from_recipe::OpenhclKernelPackage;
11use flowey_lib_hvlite::build_openvmm_hcl::MaxTraceLevel;
12use flowey_lib_hvlite::common::CommonArch;
13use std::path::PathBuf;
14
15#[derive(clap::ValueEnum, Copy, Clone)]
16pub enum OpenhclRecipeCli {
17    /// Aarch64 OpenHCL
18    Aarch64,
19    /// Aarch64 OpenHCL, using the dev kernel in VTL2
20    Aarch64Devkern,
21    /// X64 OpenHCL, with CVM support.
22    X64Cvm,
23    /// X64 OpenHCL, with CVM support using the dev kernel in VTL2
24    X64CvmDevkern,
25    /// X64 OpenHCL booting VTL0 using a test linux-direct kernel + initrd (no
26    /// UEFI).
27    X64TestLinuxDirect,
28    /// X64 OpenHCL booting VTL0 using a test linux-direct kernel + initrd (no
29    /// UEFI), using the dev kernel in VTL2.
30    X64TestLinuxDirectDevkern,
31    /// X64 OpenHCL
32    X64,
33    /// X64 OpenHCL, using the dev kernel in VTL2
34    X64Devkern,
35}
36
37/// Build OpenHCL IGVM files for local development. DO NOT USE IN CI.
38#[derive(clap::Args)]
39pub struct BuildIgvmCli<Recipe = OpenhclRecipeCli>
40where
41    // Make the recipe generic so that out-of-tree flowey implementations can
42    // slot in a custom set of recipes to build with.
43    Recipe: clap::ValueEnum + Clone + Send + Sync + 'static,
44{
45    /// Specify which OpenHCL recipe to build / customize off-of.
46    ///
47    /// A "recipe" corresponds to the various standard IGVM SKUs that are
48    /// actively supported and tested in our build infrastructure.
49    ///
50    /// It encodes all the details of what goes into an individual IGVM file,
51    /// such as what build flags `openvmm_hcl` should be built with, what goes
52    /// into a VTL2 initrd, what `igvmfilegen` manifest is being used, etc...
53    pub recipe: Recipe,
54
55    /// Build using release variants of all constituent binary components.
56    ///
57    /// Uses --profile=boot-release for openhcl_boot, --profile=openhcl-ship
58    /// when building openvmm_hcl, etc...
59    #[clap(long)]
60    pub release: bool,
61
62    /// Configure the IGVM file with the appropriate `-release.json`
63    /// manifest variant, and disable debug-only features.
64    #[clap(long)]
65    pub release_cfg: bool,
66
67    /// pass `--verbose` to cargo
68    #[clap(long)]
69    pub verbose: bool,
70
71    /// pass `--locked` to cargo
72    #[clap(long)]
73    pub locked: bool,
74
75    /// Automatically install any missing required dependencies.
76    #[clap(long)]
77    pub install_missing_deps: bool,
78
79    #[clap(flatten)]
80    pub customizations: BuildIgvmCliCustomizations,
81}
82
83#[derive(clap::Args)]
84#[clap(next_help_heading = "Customizations")]
85pub struct BuildIgvmCliCustomizations {
86    /// Set a custom label for this `build-igvm` invocation. If no label is
87    /// provided, customized IGVM files will be output with the label
88    /// `{base_recipe_name}-custom`
89    #[clap(long, short = 'o')]
90    pub build_label: Option<String>,
91
92    /// Override which kernel package to use.
93    #[clap(long)]
94    pub override_kernel_pkg: Option<KernelPackageKindCli>,
95
96    /// Pass additional features when building openmm_hcl
97    #[clap(long)]
98    pub override_openvmm_hcl_feature: Vec<String>,
99
100    /// Override architecture used when building. You probably don't want this -
101    /// prefer changing the base recipe to something more appropriate.
102    #[clap(long)]
103    pub override_arch: Option<CommonArchCli>,
104
105    /// Override the json manifest passed to igvmfilegen, none means the
106    /// debug/release manifest from the base recipe will be used.
107    #[clap(long)]
108    pub override_manifest: Option<PathBuf>,
109
110    /// Ensure perf tools are included in the release initrd.
111    ///
112    /// Ensures that openvmm_hcl is not stripped, so that perf tools work
113    /// correctly, and requires that the file be built in `--release` mode, so
114    /// that perf numbers are more representative of production binaries.
115    #[clap(long, requires = "release")]
116    pub with_perf_tools: bool,
117
118    /// Preserve debuginfo in the openvmm_hcl binary in the IGVM file.
119    ///
120    /// This increases the VTL2 memory requirements significantly, and will
121    /// likely require passing a `--override-manifest` to compensate.
122    #[clap(long)]
123    pub with_debuginfo: bool,
124
125    /// Build mimalloc with secure mode enabled. This adds extra security
126    /// hardening (guard pages, randomized allocation, encrypted free lists)
127    /// at a small performance cost.
128    #[clap(long)]
129    pub with_mi_secure: bool,
130
131    /// Disable secure AVIC support for SNP. This adds the
132    /// `disable_secure_avic` cargo feature and sets `secure_avic` to
133    /// `disabled` in the IGVM manifest.
134    #[clap(long)]
135    pub disable_secure_avic: bool,
136
137    /// Path to custom openvmm_hcl binary, none means openhcl will be built.
138    #[clap(long)]
139    pub custom_openvmm_hcl: Option<PathBuf>,
140
141    /// Path to custom openhcl_boot, none means the boot loader will be built.
142    #[clap(long)]
143    pub custom_openhcl_boot: Option<PathBuf>,
144
145    /// Path to custom uefi MSVM.fd, none means the packaged uefi will be used.
146    #[clap(long)]
147    pub custom_uefi: Option<PathBuf>,
148
149    /// Path to custom kernel vmlinux / Image, none means the packaged kernel
150    /// will be used.
151    #[clap(long)]
152    pub custom_kernel: Option<PathBuf>,
153
154    /// Path to kernel modules, none means the packaged kernel modules will be
155    /// used.
156    #[clap(long, requires = "custom_kernel")]
157    pub custom_kernel_modules: Option<PathBuf>,
158
159    /// Path to custom vtl0 linux kernel to use if the manifest includes a
160    /// direct-boot linux VM.
161    ///
162    /// If not specified, the packaged openvmm test linux direct kernel is used.
163    #[clap(long)]
164    pub custom_vtl0_kernel: Option<PathBuf>,
165
166    /// Additional layers to be included in the initrd
167    #[clap(long)]
168    pub custom_layer: Vec<PathBuf>,
169
170    /// Additional directories to be included in the initrd
171    #[clap(long)]
172    pub custom_directory: Vec<PathBuf>,
173
174    /// Additional rootfs.config files to use to generate the initrd
175    #[clap(long)]
176    pub custom_extra_rootfs: Vec<PathBuf>,
177
178    /// (experimental) Include the AP kernel in the IGVM file
179    #[clap(long)]
180    pub with_sidecar: bool,
181
182    /// (experimental) Path to custom sidecar kernel binary, none means sidecar
183    /// will be built.
184    #[clap(long, requires = "with_sidecar")]
185    pub custom_sidecar: Option<PathBuf>,
186
187    /// The maximum trace level to set for the openvmm_hcl build. Defaults
188    /// to `trace` for debug builds and `debug` for release builds.
189    #[clap(long)]
190    pub max_trace_level: Option<MaxTraceLevelCli>,
191
192    /// (experimental) Only use local dependencies to build. Keeps flowey from
193    /// downloading any dependencies from the internet.
194    #[clap(long, requires_all = ["custom_openvmm_deps", "custom_protoc", "custom_kernel", "custom_kernel_modules", "custom_uefi"])]
195    pub use_local_deps: bool,
196
197    /// Use a custom openvmm_deps directory.
198    #[clap(long)]
199    pub custom_openvmm_deps: Option<PathBuf>,
200
201    /// Use a custom protoc directory.
202    #[clap(long)]
203    pub custom_protoc: Option<PathBuf>,
204}
205
206#[derive(clap::ValueEnum, Copy, Clone, PartialEq, Eq, Debug)]
207pub enum KernelPackageKindCli {
208    /// Kernel from the hcl-main branch
209    Main,
210    /// CVM kernel from the hcl-main branch
211    Cvm,
212    /// Kernel from the hcl-dev branch
213    Dev,
214    /// CVM kernel from the hcl-dev brnach
215    CvmDev,
216}
217
218#[derive(clap::ValueEnum, Copy, Clone, PartialEq, Eq, Debug)]
219pub enum MaxTraceLevelCli {
220    /// All trace events.
221    Trace,
222    /// Debug and higher.
223    Debug,
224    /// Info and higher.
225    Info,
226    /// Warn and higher.
227    Warn,
228    /// Error events only.
229    Error,
230    /// No tracing.
231    Off,
232}
233
234impl From<MaxTraceLevelCli> for MaxTraceLevel {
235    fn from(cli: MaxTraceLevelCli) -> Self {
236        match cli {
237            MaxTraceLevelCli::Trace => MaxTraceLevel::Trace,
238            MaxTraceLevelCli::Debug => MaxTraceLevel::Debug,
239            MaxTraceLevelCli::Info => MaxTraceLevel::Info,
240            MaxTraceLevelCli::Warn => MaxTraceLevel::Warn,
241            MaxTraceLevelCli::Error => MaxTraceLevel::Error,
242            MaxTraceLevelCli::Off => MaxTraceLevel::Off,
243        }
244    }
245}
246
247pub fn bail_if_running_in_ci() -> anyhow::Result<()> {
248    const OVERRIDE_ENV: &str = "I_HAVE_A_GOOD_REASON_TO_RUN_BUILD_IGVM_IN_CI";
249
250    if std::env::var(OVERRIDE_ENV).is_ok() {
251        return Ok(());
252    }
253
254    for ci_env in ["TF_BUILD", "GITHUB_ACTIONS"] {
255        if std::env::var(ci_env).is_ok() {
256            log::warn!("Detected that {ci_env} is set");
257            log::warn!("");
258            log::warn!("Do not use `build-igvm` in CI scripts!");
259            log::warn!(
260                "This is a local-only, inner-dev-loop tool to build IGVM files, with an UNSTABLE CLI."
261            );
262            log::warn!("");
263            log::warn!(
264                "Automated pipelines should use the underlying `flowey` nodes that power build-igvm directly, _without_ relying on its CLI!"
265            );
266            log::warn!("");
267            log::warn!(
268                "If you _really_ know what you're doing, you can set {OVERRIDE_ENV} to disable this error."
269            );
270            anyhow::bail!("attempted to run `build-igvm` in CI")
271        }
272    }
273
274    Ok(())
275}
276
277impl IntoPipeline for BuildIgvmCli {
278    fn into_pipeline(self, backend_hint: PipelineBackendHint) -> anyhow::Result<Pipeline> {
279        if !matches!(backend_hint, PipelineBackendHint::Local) {
280            anyhow::bail!("build-igvm is for local use only")
281        }
282
283        bail_if_running_in_ci()?;
284
285        let openvmm_repo = flowey_lib_common::git_checkout::RepoSource::ExistingClone(
286            ReadVar::from_static(crate::repo_root()),
287        );
288
289        let Self {
290            recipe,
291            release,
292            release_cfg,
293            verbose,
294            locked,
295            install_missing_deps,
296            customizations:
297                BuildIgvmCliCustomizations {
298                    build_label,
299                    override_kernel_pkg,
300                    override_openvmm_hcl_feature,
301                    override_arch,
302                    override_manifest,
303                    with_perf_tools,
304                    with_debuginfo,
305                    with_mi_secure,
306                    disable_secure_avic,
307                    custom_openvmm_hcl,
308                    custom_openhcl_boot,
309                    custom_uefi,
310                    custom_kernel,
311                    custom_kernel_modules,
312                    custom_vtl0_kernel,
313                    custom_layer,
314                    custom_directory,
315                    with_sidecar,
316                    custom_sidecar,
317                    mut custom_extra_rootfs,
318                    max_trace_level,
319                    custom_openvmm_deps,
320                    custom_protoc,
321                    use_local_deps: _, // Clap already validated that all required fields are present
322                },
323        } = self;
324
325        if with_perf_tools {
326            custom_extra_rootfs.push(crate::repo_root().join("openhcl/perftoolsfs.config"));
327        }
328
329        let mut pipeline = Pipeline::new();
330
331        let (pub_out_dir, _) = pipeline.new_artifact("build-igvm");
332
333        // Determine the architecture from the recipe
334        let recipe_arch = match recipe {
335            OpenhclRecipeCli::X64
336            | OpenhclRecipeCli::X64Devkern
337            | OpenhclRecipeCli::X64Cvm
338            | OpenhclRecipeCli::X64CvmDevkern
339            | OpenhclRecipeCli::X64TestLinuxDirect
340            | OpenhclRecipeCli::X64TestLinuxDirectDevkern => CommonArch::X86_64,
341            OpenhclRecipeCli::Aarch64 | OpenhclRecipeCli::Aarch64Devkern => CommonArch::Aarch64,
342        };
343
344        // Use the effective arch, accounting for any --override-arch
345        let effective_arch = override_arch.map(CommonArch::from).unwrap_or(recipe_arch);
346
347        let mut job = pipeline.new_job(
348            FlowPlatform::host(backend_hint),
349            FlowArch::host(backend_hint),
350            "build-igvm",
351        );
352
353        // Initialize cfg_versions job, this makes sure everything will be downloaded
354        // and versions are set up correctly unless overriden by other parameters.
355        job = job.dep_on(|_| flowey_lib_hvlite::_jobs::cfg_versions::Request::Init);
356
357        // Override openvmm_deps with a local path if specified
358        if let Some(openvmm_deps_path) = custom_openvmm_deps {
359            job = job.dep_on(move |_| {
360                flowey_lib_hvlite::_jobs::cfg_versions::Request::LocalOpenvmmDeps(
361                    effective_arch,
362                    ReadVar::from_static(openvmm_deps_path),
363                )
364            });
365        }
366
367        // Override protoc with a local path if specified
368        if let Some(protoc_path) = custom_protoc {
369            job = job.dep_on(move |_| {
370                flowey_lib_hvlite::_jobs::cfg_versions::Request::LocalProtoc(ReadVar::from_static(
371                    protoc_path,
372                ))
373            });
374        }
375
376        // Override kernel with local paths if both kernel and modules are specified
377        if let (Some(kernel_path), Some(modules_path)) =
378            (custom_kernel.clone(), custom_kernel_modules.clone())
379        {
380            job =
381                job.dep_on(
382                    move |_| flowey_lib_hvlite::_jobs::cfg_versions::Request::LocalKernel {
383                        arch: effective_arch,
384                        kernel: ReadVar::from_static(kernel_path),
385                        modules: ReadVar::from_static(modules_path),
386                    },
387                );
388        }
389
390        // Override UEFI with a local path if specified
391        if let Some(uefi_path) = custom_uefi {
392            job = job.dep_on(move |_| {
393                flowey_lib_hvlite::_jobs::cfg_versions::Request::LocalUefi(
394                    effective_arch,
395                    ReadVar::from_static(uefi_path),
396                )
397            });
398        }
399
400        job.dep_on(
401            |_| flowey_lib_hvlite::_jobs::cfg_hvlite_reposource::Params {
402                hvlite_repo_source: openvmm_repo,
403            },
404        )
405        .dep_on(|_| flowey_lib_hvlite::_jobs::cfg_common::Params {
406            local_only: Some(flowey_lib_hvlite::_jobs::cfg_common::LocalOnlyParams {
407                interactive: true,
408                auto_install: install_missing_deps,
409                ignore_rust_version: true,
410            }),
411            verbose: ReadVar::from_static(verbose),
412            locked,
413            deny_warnings: false,
414            no_incremental: false,
415        })
416        .dep_on(|ctx| flowey_lib_hvlite::_jobs::local_build_igvm::Params {
417            artifact_dir: ctx.publish_artifact(pub_out_dir),
418            done: ctx.new_done_handle(),
419
420            base_recipe: match recipe {
421                OpenhclRecipeCli::X64 => OpenhclIgvmRecipe::X64,
422                OpenhclRecipeCli::X64Devkern => OpenhclIgvmRecipe::X64Devkern,
423                OpenhclRecipeCli::X64TestLinuxDirect => OpenhclIgvmRecipe::X64TestLinuxDirect,
424                OpenhclRecipeCli::X64TestLinuxDirectDevkern => {
425                    OpenhclIgvmRecipe::X64TestLinuxDirectDevkern
426                }
427                OpenhclRecipeCli::X64Cvm => OpenhclIgvmRecipe::X64Cvm,
428                OpenhclRecipeCli::X64CvmDevkern => OpenhclIgvmRecipe::X64CvmDevkern,
429                OpenhclRecipeCli::Aarch64 => OpenhclIgvmRecipe::Aarch64,
430                OpenhclRecipeCli::Aarch64Devkern => OpenhclIgvmRecipe::Aarch64Devkern,
431            },
432            release,
433            release_cfg,
434
435            customizations: flowey_lib_hvlite::_jobs::local_build_igvm::Customizations {
436                build_label,
437                override_arch: override_arch.map(CommonArch::from),
438                with_perf_tools,
439                with_debuginfo,
440                with_mi_secure,
441                disable_secure_avic,
442                override_kernel_pkg: override_kernel_pkg.map(|p| match p {
443                    KernelPackageKindCli::Main => OpenhclKernelPackage::Main,
444                    KernelPackageKindCli::Cvm => OpenhclKernelPackage::Cvm,
445                    KernelPackageKindCli::Dev => OpenhclKernelPackage::Dev,
446                    KernelPackageKindCli::CvmDev => OpenhclKernelPackage::CvmDev,
447                }),
448                with_sidecar,
449                custom_extra_rootfs,
450                override_openvmm_hcl_feature,
451                custom_sidecar,
452                override_manifest,
453                override_max_trace_level: max_trace_level.map(Into::into),
454                custom_openvmm_hcl,
455                custom_openhcl_boot,
456                custom_kernel,
457                custom_vtl0_kernel,
458                custom_layer,
459                custom_directory,
460            },
461        })
462        .finish();
463
464        Ok(pipeline)
465    }
466}