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authorBoris Kolpackov <boris@codesynthesis.com>2020-09-10 15:27:39 +0200
committerBoris Kolpackov <boris@codesynthesis.com>2020-09-10 15:27:39 +0200
commit80cd58103ee39ea6456d0132f9cd5c366efa4c63 (patch)
treeb5d047657c3ee20b139d3226a2cc162095ae2167 /etc
parent70de46d74d35efd80263b7844a1bf33b2c84ea01 (diff)
Add etc/private/install/README
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+This directory contains scripts, configuration files, etc., that are used to
+prepare the virtual machine (VM) with a build2 repository web interface (brep)
+described in ../README. This document provides terse notes on how this VM is
+prepared.
+
+The VM is prepared and tested using user brep:
+
+# groupadd --gid 63700 brep
+# useradd --uid 63700 --gid 63700 --create-home brep
+# usermod --lock brep
+# usermod -G kvm brep
+
+Note: different UID/GID can be used by passing the --brep-user option to the
+brep-install script.
+
+# sudo su - brep
+$ mkdir -p bin vm state/bpkg
+
+Next copy the prepared VM image:
+
+$ cp .../linux_debian_10.img vm/brep.img
+
+The brep-install script assumes a Debian-based VM distribution. Other
+distributions can probably be made to work but will require changes to
+brep-install. The VM normally already has the following changes applied:
+
+ # apt-get install acpid # For QEMU system_powerdown to work.
+ # systemctl enable acpid
+
+ # systemctl enable serial-getty@ttyS0.service
+ # systemctl start serial-getty@ttyS0.service
+
+ # nano /etc/default/grub
+ # # GRUB_CMDLINE_LINUX_DEFAULT="console=ttyS0"
+ # # GRUB_TERMINAL="serial console"
+ # update-grub
+
+ # echo localhost >/etc/hostname
+ # nano /etc/dhcp/dhclient.conf
+ # # Comment out `send host-name ...`.
+ # # Add `send dhcp-client-identifier = hardware;`
+
+Clone or copy the brep repository and create the directory structure:
+
+$ cp -r ../brep ./
+$ cp brep/etc/private/vm-* bin/
+$ cp -r brep/etc/private ./etc
+
+Download the build2 toolchain installation script:
+
+$ curl -sSfO https://download.build2.org/X.Y.Z/build2-install-X.Y.Z.sh
+$ # Verify the checksum.
+$ mv build2-install-*.sh etc/install/
+
+Start the VM (give as much CPU/RAM as available to speed up compilation):
+
+$ ~/bin/vm-start --install etc/install/ --cpu 8 --ram 8G \
+ --tap tap0 --mac de:ad:be:ef:de:ad vm/brep.img
+
+Login into the VM as root, then perform the following steps:
+
+ # mount -t 9p -o trans=virtio,version=9p2000.L install /mnt
+ # /mnt/brep-install --mount
+
+After the installation is complete, test the result as described in ../README.
+
+Note: to create a "clean" VM for distribution, pass the --clean option to
+brep-install, shut the VM down immediately after installation, save the clean
+VM image, then boot a copy for testing.
+
+Generate the systemd service template file:
+
+~/etc/install/vm-gen-service --bin bin --etc vm --var vm --run .
+
+Test starting the VM as a systemd service as described in ../README.