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As a first time user of cloud-hypervisor and Rust environment you get build errors with out this. Signed-off-by: Ravi kumar Veeramally <ravikumar.veeramally@intel.com>
87 lines
3.0 KiB
Markdown
87 lines
3.0 KiB
Markdown
- [Building Cloud Hypervisor](#building-cloud-hypervisor)
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- [Preparation](#preparation)
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- [Install prerequisites](#install-prerequisites)
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- [Clone and build](#clone-and-build)
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- [Containerized builds and tests](#containerized-builds-and-tests)
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# Building Cloud Hypervisor
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We recommend users use the pre-built binaries that are mentioned in the README.md file in the root of the repository. Building from source is only necessary if you wish to make modifications.
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## Preparation
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We create a folder to build and run `cloud-hypervisor` at `$HOME/cloud-hypervisor`
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```shell
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$ export CLOUDH=$HOME/cloud-hypervisor
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$ mkdir $CLOUDH
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```
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## Install prerequisites
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You need to install some prerequisite packages in order to build and test Cloud
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Hypervisor. Here, all the steps are based on Ubuntu, for other Linux
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distributions please replace the package manager and package name.
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```shell
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# Install basic packages needed. For a package list targeting for more
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# functionalities for example the test, please see resources/Dockerfile.
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$ sudo apt-get update
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$ sudo apt install git build-essential m4 bison flex uuid-dev qemu-utils musl-tools
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# Install rust tool chain
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$ curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh
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# If you want to build statically linked binary please add musl target
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$ rustup target add x86_64-unknown-linux-musl # x86-64
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$ rustup target add aarch64-unknown-linux-musl # AArch64
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```
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## Clone and build
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First you need to clone and build the Cloud Hypervisor repository:
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```shell
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$ pushd $CLOUDH
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$ git clone https://github.com/cloud-hypervisor/cloud-hypervisor.git
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$ cd cloud-hypervisor
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$ cargo build --release
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# We need to give the cloud-hypervisor binary the NET_ADMIN capabilities for it to set TAP interfaces up on the host.
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$ sudo setcap cap_net_admin+ep ./target/release/cloud-hypervisor
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# If you want to build statically linked binary
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$ cargo build --release --target=x86_64-unknown-linux-musl --all # x86-64
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$ cargo build --release --target=aarch64-unknown-linux-musl --all # AArch64
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$ popd
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```
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This will build a `cloud-hypervisor` binary under
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`$CLOUDH/cloud-hypervisor/target/release/cloud-hypervisor`.
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### Containerized builds and tests
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If you want to build and test Cloud Hypervisor without having to install all the
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required dependencies (The rust toolchain, cargo tools, etc), you can also use
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Cloud Hypervisor's development script: `dev_cli.sh`. Please note that upon its
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first invocation, this script will pull a fairly large container image.
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For example, to build the Cloud Hypervisor release binary:
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```shell
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$ pushd $CLOUDH
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$ cd cloud-hypervisor
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$ ./scripts/dev_cli.sh build --release
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```
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With `dev_cli.sh`, one can also run the Cloud Hypervisor CI locally. This can be
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very convenient for debugging CI errors without having to fully rely on the
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Cloud Hypervisor CI infrastructure.
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For example, to run the Cloud Hypervisor unit tests:
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```shell
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$ ./scripts/dev_cli.sh tests --unit
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```
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Run the `./scripts/dev_cli.sh --help` command to view all the supported
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development script commands and their related options.
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