diff --git a/gitian-building.md b/gitian-building.md index f09ebd6..84a3a16 100644 --- a/gitian-building.md +++ b/gitian-building.md @@ -44,10 +44,10 @@ Any kind of virtualization can be used, for example: Please refer to the following documents to set up the operating systems and Gitian. -| | Debian | Fedora | -|-----------------------------------|------------------------------------------------------------------------------------|------------------------------------------------------------------------------------| -| Setup virtual machine (optional) | [Create Debian VirtualBox](./gitian-building/gitian-building-create-vm-debian.md) | [Create Fedora VirtualBox](./gitian-building/gitian-building-create-vm-fedora.md) | -| Setup Gitian | [Setup Gitian on Debian](./gitian-building/gitian-building-setup-gitian-debian.md) | [Setup Gitian on Fedora](./gitian-building/gitian-building-setup-gitian-fedora.md) | +| | Ubuntu | Debian | Fedora | +|---------------------|------------------------------------------------------------------------------------|------------------------------------------------------------------------------------|------------------------------------------------------------------------------------| +| Setup VM (optional) | [Create Ubuntu VirtualBox](./gitian-building/gitian-building-create-vm-ubuntu.md) | [Create Debian VirtualBox](./gitian-building/gitian-building-create-vm-debian.md) | [Create Fedora VirtualBox](./gitian-building/gitian-building-create-vm-fedora.md) | +| Setup Gitian | [Setup Gitian on Ubuntu](./gitian-building/gitian-building-setup-gitian-ubuntu.md) | [Setup Gitian on Debian](./gitian-building/gitian-building-setup-gitian-debian.md) | [Setup Gitian on Fedora](./gitian-building/gitian-building-setup-gitian-fedora.md) | Note that a version of `lxc-execute` higher or equal to 2.1.1 is required. You can check the version with `lxc-execute --version`. @@ -96,13 +96,22 @@ To speed up the build, use `-j 5 -m 5000` as the first arguments, where `5` is t If all went well, this produces a number of (uncommited) `.assert` files in the gitian.sigs repository. -You need to copy these uncommited changes to your host machine, where you can sign them: +You need to copy these uncommited changes to your host machine: ``` export NAME=satoshi -gpg --output $VERSION-linux/$NAME/bitcoin-linux-0.16-build.assert.sig --detach-sign 0.16.0rc1-linux/$NAME/bitcoin-linux-0.16-build.assert -gpg --output $VERSION-osx-unsigned/$NAME/bitcoin-osx-0.16-build.assert.sig --detach-sign 0.16.0rc1-osx-unsigned/$NAME/bitcoin-osx-0.16-build.assert -gpg --output $VERSION-win-unsigned/$NAME/bitcoin-win-0.16-build.assert.sig --detach-sign 0.16.0rc1-win-unsigned/$NAME/bitcoin-win-0.16-build.assert +cd gitian.sigs +scp -r gitian:gitian.sigs/0.16.0rc1-linux/$NAME/ 0.16.0rc1-linux/ +scp -r gitian:gitian.sigs/0.16.0rc1-osx-unsigned/$NAME/ 0.16.0rc1-osx-unsigned/ +scp -r gitian:gitian.sigs/0.16.0rc1-win-unsigned/$NAME/ 0.16.0rc1-win-unsigned/ +``` + +Then you can sign them: + +``` +gpg --output 0.16.0rc1-linux/$NAME/bitcoin-linux-0.16-build.assert.sig --detach-sign 0.16.0rc1-linux/$NAME/bitcoin-linux-0.16-build.assert +gpg --output 0.16.0rc1-osx-unsigned/$NAME/bitcoin-osx-0.16-build.assert.sig --detach-sign 0.16.0rc1-osx-unsigned/$NAME/bitcoin-osx-0.16-build.assert +gpg --output 0.16.0rc1-win-unsigned/$NAME/bitcoin-win-0.16-build.assert.sig --detach-sign 0.16.0rc1-win-unsigned/$NAME/bitcoin-win-0.16-build.assert ``` Make a PR (both the `.assert` and `.assert.sig` files) to the @@ -128,6 +137,6 @@ This will create the `.sig` files that can be committed together with the `.asse Gitian build. - `./gitian-build.py --detach-sign -s satoshi 0.16.0rc1 --nocommit` + `./gitian-build.py --detach-sign -s satoshi 0.16.0rc1 --no-commit` Make another pull request for these. diff --git 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VM +--------------------------- +In the VirtualBox GUI click "New" and choose the following parameters in the wizard: + +![](figs/create_new_vm_ubuntu.png) + +- Type: Linux, Ubuntu (64-bit) + +![](figs/create_vm_memsize.png) + +- Memory Size: at least 3000MB, anything less and the build might not complete. + +![](figs/create_vm_hard_disk.png) + +- Hard Disk: Create a virtual hard disk now + +![](figs/create_vm_hard_disk_file_type.png) + +- Hard Disk file type: Use the default, VDI (VirtualBox Disk Image) + +![](figs/create_vm_storage_physical_hard_disk.png) + +- Storage on physical hard disk: Dynamically Allocated + +![](figs/create_vm_file_location_size.png) + +- File location and size: at least 40GB +- Click `Create` + +After creating the VM, we need to configure it. + +- Click the `Settings` button, then go to `System` tab and `Processor` sub-tab. Increase the number of processors to the number of cores on your machine if you want builds to be faster. + +![](figs/system_settings.png) + +- Go to the `Network` tab. Adapter 1 should be attached to `NAT`. + +![](figs/network_settings.png) + +- Click `Advanced`, then `Port Forwarding`. We want to set up a port through which we can reach the VM to get files in and out. +- Create a new rule by clicking the plus icon. + +![](figs/port_forwarding_rules.png) + +- Set up the new rule the following way: + - Name: `SSH` + - Protocol: `TCP` + - Leave Host IP empty + - Host Port: `22222` + - Leave Guest IP empty + - Guest Port: `22` + +- Click `Ok` twice to save. + +Get the [Ubuntu 18.04.x minimal iso image](http://archive.ubuntu.com/ubuntu/dists/bionic/main/installer-amd64/current/images/netboot/mini.iso) (a more recent minor version should also work, see also [Installation/MinimalCD](https://help.ubuntu.com/community/Installation/MinimalCD)). +This DVD image can be [validated](https://help.ubuntu.com/community/Installation/MinimalCD) using a SHA1 hashing tool, for example on +Unixy OSes by entering the following in a terminal: + + echo "cce936c1f9d1448c7d8f74b76b66f42eb4f93d4a mini.iso" | sha1sum -c + # (must return OK) + +Replace `sha1sum` with `shasum` on OSX. + +Then start the VM. On the first launch you will be asked for a CD or DVD image. Choose the downloaded ISO. + +![](figs/select_startup_disk_ubuntu.png) + +Installing Ubuntu +------------------ + +This section will explain how to install Ubuntu on the newly created VM. + +- Choose the non-graphical installer (only if you will use the standard iso image instead of the suggested mini.iso, you will see the graphical installer choice). We do not need the graphical environment; it will only increase installation time and disk usage. + +![](figs/ubuntu_install_1_boot_menu.png) + +**Note**: Navigating in the Ubuntu installer: +To keep a setting at the default and proceed, just press `Enter`. +To select a different button, press `Tab`. + +- Choose locale and keyboard settings (doesn't matter, you can just go with the defaults or select your own information) + +![](figs/ubuntu_install_2_select_a_language.png) +![](figs/ubuntu_install_3_select_location.png) +![](figs/ubuntu_install_4_configure_keyboard1.png) +![](figs/ubuntu_install_4_configure_keyboard2.png) + +- The VM will detect network settings using DHCP, this should all proceed automatically +- Set the hostname `ubuntu`. + +![](figs/ubuntu_install_5_network1_hostname.png) + + - Choose a mirror (any will do) + +![](figs/ubuntu_install_5_network2_mirror_country.png) +![](figs/ubuntu_install_5_network3_mirror.png) + + - Enter proxy information (unless you are on an intranet, leave this empty) + +![](figs/ubuntu_install_5_network4_proxy.png) + + +- Wait a bit while 'Loading additional components' runs +- Name the new user `gitianuser` (the full name doesn't matter, you can leave it empty) +- Set the account username as `gitianuser` + +![](figs/ubuntu_install_7_set_up_user_fullname.png) +![](figs/ubuntu_install_8_set_up_username.png) + +- Choose a user password and enter it twice (remember it for later) + +![](figs/ubuntu_install_9_user_password.png) + +- The installer will set up the clock using a time server; this process should be automatic +- Set up the clock: choose a time zone (depends on the locale settings that you picked earlier; specifics don't matter) + +![](figs/ubuntu_install_10_configure_clock.png) + +- Disk setup + - Partitioning method: Guided - Use the entire disk + +![](figs/ubuntu_install_11_partition_disks.png) + + - Select disk to partition: SCSI1 (0,0,0) + +![](figs/ubuntu_install_12_choose_disk.png) + + - Finish partitioning and write changes to disk -> *Yes* (`Tab`, `Enter` to select the `Yes` button) + +![](figs/ubuntu_install_15_write_changes.png) + +- The base system will be installed, this will take some minutes +- Select how to manage system upgrades -> *No automatic updates* + +![](figs/ubuntu_install_17_software_updates.png) + +- Wait a bit while 'Select and install software' runs +- Choose software to install. We need just the base system. +- Make sure only 'OpenSSH server' and 'Basic Ubuntu Server' are checked + +![](figs/ubuntu_install_19_software_selection.png) + +- Install the GRUB boot loader to the master boot record? -> Yes + +![](figs/ubuntu_install_20_install_grub.png) + +- Is the system clock set to UTC? -> *Yes* + +![](figs/ubuntu_install_21_configure_clock.png) + +- Installation Complete -> *Continue* +- After installation, the VM will reboot and you will have a working Ubuntu VM. Congratulations! + +![](figs/ubuntu_install_22_finish_installation.png) + +Connecting to the VM +---------------------- + +After the VM has booted you can connect to it using SSH, and files can be copied from and to the VM using a SFTP utility. +Connect to `localhost`, port `22222` (or the port configured when installing the VM). +On Windows you can use [putty](http://www.chiark.greenend.org.uk/~sgtatham/putty/download.html) and [WinSCP](http://winscp.net/eng/index.php). + +For example, to connect as `gitianuser` from a Linux command prompt use + + $ ssh gitianuser@localhost -p 22222 + The authenticity of host '[localhost]:22222 ([127.0.0.1]:22222)' can't be established. + RSA key fingerprint is ae:f5:c8:9f:17:c6:c7:1b:c2:1b:12:31:1d:bb:d0:c7. + Are you sure you want to continue connecting (yes/no)? yes + Warning: Permanently added '[localhost]:22222' (RSA) to the list of known hosts. + gitianuser@localhost's password: (enter gitianuser password configured during install) + + System information as of Sat Sep 22 19:33:49 EDT 2018 + + System load: 0.0 Processes: 97 + Usage of /: 8.8% of 39.12GB Users logged in: 0 + Memory usage: 4% IP address for enp0s3: 10.0.2.15 + Swap usage: 0% + + 0 packages can be updated. + 0 updates are security updates. + + + + The programs included with the Ubuntu system are free software; + the exact distribution terms for each program are described in the + individual files in /usr/share/doc/*/copyright. + + Ubuntu comes with ABSOLUTELY NO WARRANTY, to the extent permitted by + applicable law. + + To run a command as administrator (user "root"), use "sudo ". + See "man sudo_root" for details. + + gitianuser@ubuntu:~$ + +Optional - Easier login to the VM +--------------------------------- + +You'll need to generate an SSH key, e.g. by following the instructions under "Generating a new SSH key" [here](https://help.github.com/articles/generating-a-new-ssh-key-and-adding-it-to-the-ssh-agent). + +After that, login to the VM and enter: + +```bash +mkdir .ssh +``` + +On your machine edit or create `~/.ssh/config` and add: + +```bash +Host gitian + HostName localhost + Port 22222 + User gitianuser +``` + +Open a new terminal tab and enter: + +```bash +scp ~/.ssh/id_rsa.pub gitian:.ssh/authorized_keys +``` + +Next time you need to login to the VM, just use: `ssh gitian` diff --git a/gitian-building/gitian-building-setup-gitian-debian.md b/gitian-building/gitian-building-setup-gitian-debian.md index 4764ca7..954f89d 100644 --- a/gitian-building/gitian-building-setup-gitian-debian.md +++ b/gitian-building/gitian-building-setup-gitian-debian.md @@ -39,6 +39,7 @@ chmod +x /etc/rc.local echo 'export USE_LXC=1' >> /home/gitianuser/.profile echo 'export GITIAN_HOST_IP=10.0.3.1' >> /home/gitianuser/.profile echo 'export LXC_GUEST_IP=10.0.3.5' >> /home/gitianuser/.profile +[ -f /etc/default/lxc-net ] && sed -i 's/USE_LXC_BRIDGE="true"/USE_LXC_BRIDGE="false"/' /etc/default/lxc-net reboot ``` diff --git a/gitian-building/gitian-building-setup-gitian-ubuntu.md b/gitian-building/gitian-building-setup-gitian-ubuntu.md new file mode 100644 index 0000000..b2b3194 --- /dev/null +++ b/gitian-building/gitian-building-setup-gitian-ubuntu.md @@ -0,0 +1,99 @@ +Table of Contents +------------------ + +- [Setting up Ubuntu for Gitian building](#setting-up-ubuntu-for-gitian-building) +- [Installing Gitian](#installing-gitian) +- [Setting up the Gitian image](#setting-up-the-gitian-image) + + +Setting up Ubuntu for Gitian building +-------------------------------------- + +In this section we will be setting up the Ubuntu installation for Gitian building. +We assume that a user `gitianuser` was previously added. + +First we need to set up dependencies. Type/paste the following in the terminal: + +```bash +sudo apt-get install git ruby apt-cacher-ng qemu-utils debootstrap lxc python-cheetah parted kpartx bridge-utils make curl firewalld +``` + +Then set up LXC and the rest with the following, which is a complex jumble of settings and workarounds: + +```bash +sudo -s +# the version of lxc-start in Ubuntu needs to run as root, so make sure +# that the build script can execute it without providing a password +echo "%sudo ALL=NOPASSWD: /usr/bin/lxc-start" > /etc/sudoers.d/gitian-lxc +echo "%sudo ALL=NOPASSWD: /usr/bin/lxc-execute" >> /etc/sudoers.d/gitian-lxc +# make /etc/rc.local script that sets up bridge between guest and host +echo '#!/bin/sh -e' > /etc/rc.local +echo 'brctl addbr br0' >> /etc/rc.local +echo 'ip addr add 10.0.3.2/24 broadcast 10.0.3.255 dev br0' >> /etc/rc.local +echo 'ip link set br0 up' >> /etc/rc.local +echo 'firewall-cmd --zone=trusted --add-interface=br0' >> /etc/rc.local +echo 'exit 0' >> /etc/rc.local +chmod +x /etc/rc.local +# make sure that USE_LXC is always set when logging in as gitianuser, +# and configure LXC IP addresses +echo 'export USE_LXC=1' >> /home/gitianuser/.profile +echo 'export GITIAN_HOST_IP=10.0.3.2' >> /home/gitianuser/.profile +echo 'export LXC_GUEST_IP=10.0.3.5' >> /home/gitianuser/.profile +[ -f /etc/default/lxc-net ] && sed -i 's/USE_LXC_BRIDGE="true"/USE_LXC_BRIDGE="false"/' /etc/default/lxc-net +reboot +``` + +At the end Ubuntu is rebooted to make sure that the changes take effect. The steps in this +section only need to be performed once. + +**Note**: When sudo asks for a password, enter the password for the user `gitianuser`. + +Installing Gitian +------------------ + +Re-login as the user `gitianuser` that was created during installation. +The rest of the steps in this guide will be performed as that user. + +There is no `python-vm-builder` package in Ubuntu, so we need to install it from source ourselves, + +```bash +wget http://archive.ubuntu.com/ubuntu/pool/universe/v/vm-builder/vm-builder_0.12.4+bzr494.orig.tar.gz +echo "76cbf8c52c391160b2641e7120dbade5afded713afaa6032f733a261f13e6a8e vm-builder_0.12.4+bzr494.orig.tar.gz" | sha256sum -c +# (verification -- must return OK) +tar -zxvf vm-builder_0.12.4+bzr494.orig.tar.gz +cd vm-builder-0.12.4+bzr494 +sudo python setup.py install +cd .. +``` + +**Note**: When sudo asks for a password, enter the password for the user `gitianuser`. + +Clone the git repositories for bitcoin and Gitian. + +```bash +git clone https://github.com/devrandom/gitian-builder.git +git clone https://github.com/bitcoin/bitcoin +git clone https://github.com/bitcoin-core/gitian.sigs.git +git clone https://github.com/bitcoin-core/bitcoin-detached-sigs.git +``` + +Setting up the Gitian image +------------------------- + +Gitian needs a virtual image of the operating system to build in. +Currently this is Ubuntu Bionic x86_64 and the script gitian-build.py setup it for you. +For previous releases of bitcoin the image was Trusty x86_64, so if you want to build bitcoin 0.16.x or earlier you have to create it now manually. +This image will be copied and used every time that a build is started to +make sure that the build is deterministic. +Creating the image will take a while, but only has to be done once. + +Execute the following as user `gitianuser`: + +```bash +cd gitian-builder +bin/make-base-vm --lxc --arch amd64 --suite trusty +``` + +There will be a lot of warnings printed during the build of the image. These can be ignored. + +**Note**: When sudo asks for a password, enter the password for the user `gitianuser` not for `root`.