Browse Source

Deprecate Berth project

This deprecates the Berth project, as it is no longer
actively developed, and is not used.  Alternative and more mature
projects are now available to fulfill the same need at this time.

Change-Id: I0f94ecac61250065442399dacf8981ef16c2f94b
changes/24/670924/1
Matt McEuen 2 years ago
parent
commit
08252d3065
33 changed files with 8 additions and 1623 deletions
  1. +0
    -107
      .gitignore
  2. +0
    -18
      .zuul.yaml
  3. +0
    -18
      Dockerfile
  4. +0
    -201
      LICENSE
  5. +0
    -47
      Makefile
  6. +8
    -105
      README.md
  7. +0
    -105
      README.rst
  8. +0
    -5
      berth/Chart.yaml
  9. +0
    -1
      berth/requirements.yaml
  10. +0
    -290
      berth/templates/bin/_startvm.sh.tpl
  11. +0
    -33
      berth/templates/iter-configmap.yaml
  12. +0
    -98
      berth/templates/iter-deployment.yaml
  13. +0
    -23
      berth/templates/iter-pvc.yaml
  14. +0
    -12
      berth/values.yaml
  15. +0
    -7
      doc/requirements.txt
  16. +0
    -0
      doc/source/_static/.placeholder
  17. +0
    -155
      doc/source/conf.py
  18. +0
    -26
      doc/source/index.rst
  19. +0
    -1
      doc/source/readme.rst
  20. +0
    -22
      examples/cirros-test.yaml
  21. +0
    -33
      examples/demo-ub14-apache.yaml
  22. +0
    -36
      examples/ub16-smp-test.yaml
  23. +0
    -14
      examples/zz-fail-bogus.yaml
  24. +0
    -1
      examples/zz-fail-nothing.yaml
  25. +0
    -3
      examples/zz-fail-parse.yaml
  26. +0
    -3
      requirements.txt
  27. +0
    -31
      setup.cfg
  28. +0
    -27
      setup.py
  29. +0
    -6
      test-requirements.txt
  30. +0
    -13
      tools/gate/setup.sh
  31. +0
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      tools/gate/test.sh
  32. +0
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      tox.ini
  33. +0
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      validate.py

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.gitignore View File

@ -1,107 +0,0 @@
# Misc
helm.log
berth-0.1.0.tgz
# Byte-compiled / optimized / DLL files
__pycache__/
*.py[cod]
*$py.class
# C extensions
*.so
# Distribution / packaging
.Python
env/
build/
develop-eggs/
dist/
downloads/
eggs/
.eggs/
lib/
lib64/
parts/
sdist/
var/
wheels/
*.egg-info/
.installed.cfg
*.egg
# PyInstaller
# Usually these files are written by a python script from a template
# before PyInstaller builds the exe, so as to inject date/other infos into it.
*.manifest
*.spec
# Installer logs
pip-log.txt
pip-delete-this-directory.txt
# Unit test / coverage reports
htmlcov/
.tox/
.coverage
.coverage.*
.cache
nosetests.xml
coverage.xml
*.cover
.hypothesis/
.testrepository/*
cover/*
# Translations
*.mo
*.pot
# Django stuff:
*.log
local_settings.py
# Flask stuff:
instance/
.webassets-cache
# Scrapy stuff:
.scrapy
# Sphinx documentation
doc/_build/
# PyBuilder
target/
# Jupyter Notebook
.ipynb_checkpoints
# pyenv
.python-version
# celery beat schedule file
celerybeat-schedule
# SageMath parsed files
*.sage.py
# dotenv
.env
# virtualenv
.venv
venv/
ENV/
# Spyder project settings
.spyderproject
.spyproject
# Rope project settings
.ropeproject
# mkdocs documentation
/site
# mypy
.mypy_cache/

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.zuul.yaml View File

@ -1,18 +0,0 @@
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
- project:
templates:
- docs-on-readthedocs
vars:
rtd_webhook_id: '47941'
rtd_project_name: 'airship-berth'

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- 18
Dockerfile View File

@ -1,18 +0,0 @@
FROM ubuntu:16.04
LABEL org.opencontainers.image.authors='airship-discuss@lists.airshipit.org, irc://#airshipit@freenode'
LABEL org.opencontainers.image.url='https://airshipit.org'
LABEL org.opencontainers.image.documentation='https://airship-berth.readthedocs.org'
LABEL org.opencontainers.image.source='https://git.openstack.org/openstack/airship-berth'
LABEL org.opencontainers.image.vendor='The Airship Authors'
LABEL org.opencontainers.image.licenses='Apache-2.0'
RUN apt-get update && apt-get install -y qemu-kvm dnsmasq bridge-utils mkisofs curl jq wget iptables
RUN apt-get clean
RUN rm -f /var/lib/apt/lists/* || true
ENTRYPOINT ["/bin/sleep", "infinity"]
VOLUME "/image"
EXPOSE 22
CMD []

+ 0
- 201
LICENSE View File

@ -1,201 +0,0 @@
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+ 0
- 47
Makefile View File

@ -1,47 +0,0 @@
# This Makefile is used during development and can usually be ignored
# by most people.
default:
@echo Useful valid targets are test-validate, test-install, test-uninstall
all: test-validate test-install test-uninstall
test-validate:
@echo ===========================================================================
python validate.py examples/*
@echo ===========================================================================
test-install: build
@echo
-helm delete --purge berth
@echo
helm install --name=berth --debug ./berth
helm upgrade --debug berth ./berth \
--values examples/cirros-test.yaml \
--values examples/demo-ub14-apache.yaml \
--values examples/ub16-smp-test.yaml
@sleep 5 # give k8s a chance to see the IP
@echo
kubectl get pods -o wide
test-uninstall:
helm delete --purge berth
build:
@echo
helm lint berth
clean:
rm -f *~ */*~ */*/*~ berth-0.1.0.tgz
rm -rf doc/build
.PHONY: docs
docs: clean build_docs
.PHONY: build_docs
build_docs:
tox -e docs
.PHONY:
all default build clean test-validate test-install test-uninstall

+ 8
- 105
README.md View File

@ -1,108 +1,11 @@
Berth is a deliberately minimalist VM runner for Kubernetes.
This project is no longer maintained.
Find more documentation for Berth on
`Read the Docs <https://airship-berth.readthedocs.io/>`_.
The contents of this repository are still available in the Git
source code management system. To see the contents of this
repository before it reached its end of life, please check out the
previous commit with "git checkout HEAD^1".
## TL;DR Installation Guide
For any further questions, please email
airship-discuss@lists.openstack.org or join #airshipit on
Freenode.
Install the bare Berth chart:
```
# Have (recent) Helm and Kubernetes (2.5.x and 1.6.x or later)
#
helm install --name=berth ./berth
kubectl get pods -o wide
```
This should happen error free and be fairly quick. At this stage
install one of the examples:
```
# helm upgrade berth ./berth --values=examples/cirros-test.yaml
```
You should be able to SSH to your VM at the Kubernetes IP for the
container which you can retrieve with `kubectl get all -o wide`. VNC
access is available on port 5900.
Additional examples may be added with additional `--values` arguments.
For example:
```
# helm upgrade berth ./berth --values=examples/cirros-test.yaml --values=examples/demo-ub14-apache.yaml
```
You can use a similar method to purge all VMs:
```
# helm upgrade berth ./berth --set 'vmlist={}'
```
<!-- https://mostsecure.pw/ -->
### Example
[Quick installation / sample](https://asciinema.org/a/4VazbwsokL3zpnGPf27eyFIfe)
### Why this?
The requirements are very narrow right now and the existing
alternatives don't align well at present. This will likely change in
time at which point we can realign the internal implementation.
#### Minimalist requirements
* Run VMs from inside of Kubernetes
* Work with Calico
* Have VM life-cycle match that of pods
* Have VMs benefit from Kubernetes resiliency
* Allow for persistent storage
* Allow for state injection/access from a ConfigMaps
## Requirements:
* Helm 2.5.x
* Kubernetes 1.6.x
This does not need to be installed as part of the OpenStack chart
collection.
## How it works:
At a high level, it works like this:
* Create a SNAT/DNAT enabled linux bridge.
* Assign the bridge a private IP address from a small /30 subnet
(controlled with `VM_IP` and `VM_GW`)
* Plug the VM network interface into the bridge.
* Run a dnsmasq process to allocate the VM the right name-servers, and
DNS search strings extracted from the parent container. Assign the
private IP address to the VM and have it use the bridge's IP as its
default gateway.
* Setup SNAT/DNAT on the parent container to do 1:1 mapping of all
ports, all protocols to the VM, except for TCP:5900 to allow for VNC
access (can be controlled with NO_VNC environment variable).
* At this point, VM essentially assumes Pod Assigned IP.
* Feed any meta-data or user-data down into the VM by leveraging these
ConfigMap mounts with the same name and turning them into an ISO
presented to the guest.
The startvm.sh entry-point supports several environment variables:
* `IMG_SOURCE` which is an http or https URL that contains a qcow2
image. It can also be a full path to a local file baked into the
container image, e.g. "/image.qcow"
* `IMG_TARGET` the name to save the image above as in the shared
volume.
It also supports two files, which should be mounted as ConfigMaps if
using Kubernetes at `/userdata` and `/metadata` as YAML files
containing, obviously meta-data and user-data as YAML that will be fed
to the VM as a config-drive iso.
The "pet" version of the image, which is created using qemu-img -b to
base it on the source, is stored in a separate volume dedicated to the
VM itself, and named after the container hostname.
There are a few other parameters you can control as an operator:
* `VM_IP` is the IP address the VM should be allocated by DHCP. The
container will 1:1 NAT except for port 5900 for VNC access (defaults
to 192.168.254.2)
* `VM_GW` is the gateway IP address the VM should use for its default
route (defaults to 192.168.254.1)

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- 105
README.rst View File

@ -1,105 +0,0 @@
=====
Berth
=====
Berth is a deliberately minimalist VM runner for Kubernetes.
I'm not 100% sold on the name; before merging we could change it...
TL;DR Installation Guide
========================
.. code-block:: bash
# Make sure you have Helm 2.5.x and Kubernetes 1.6.x
#
# edit values.yaml; set class_name and ssh key
#
helm package berth
helm install --name=berth ./berth-0.1.0.tgz # ...
kubectl get pods -o wide
You should be able to SSH to your VM at the Kubernetes IP for the
container which you can retrieve with `kubectl get all -o wide`. VNC
access is available on port 5900.
.. code-block:: bash
ssh -i ./you-ssh-private-key root@ip.of.vm.pod
Example
-------
`Quick installation / sample <https://asciinema.org/a/4VazbwsokL3zpnGPf27eyFIfe>`_
Why this?
---------
The requirements are very narrow right now and the existing
alternatives don't align well at present. This will likely change in
time at which point we can realign the internal implementation.
Minimalist requirements
-----------------------
* Run VMs from inside of Kubernetes
* Work with Calico
* Have VM life-cycle match that of pods
* Have VMs benefit from Kubernetes resiliency
* Allow for persistent storage
* Allow for state injection/access from a ConfigMaps
Requirements
============
* Helm 2.5.x
* Kubernetes 1.6.x
This does not need to be installed as part of the OpenStack chart
collection.
How it works
============
At a high level, it works like this:
* Create a SNAT/DNAT enabled linux bridge.
* Assign the bridge a private IP address from a small /30 subnet
(controlled with `VM_IP` and `VM_GW`)
* Plug the VM network interface into the bridge.
* Run a dnsmasq process to allocate the VM the right name-servers, and
DNS search strings extracted from the parent container. Assign the
private IP address to the VM and have it use the bridges IP as its
default gateway.
* Setup SNAT/DNAT on the parent container to do 1:1 mapping of all
ports, all protocols to the VM, except for TCP:5900 to allow for VNC
access (can be controlled with NO_VNC environment variable).
* At this point, VM essentially assumes Pod Assigned IP.
* Feed any meta-data or user-data down into the VM by leveraging these
ConfigMap mounts with the same name and turning them into an ISO
presented to the guest.
The startvm.sh entry-point supports several environment variables:
* `IMG_SOURCE` which is an http or https URL that contains a qcow2
image. It can also be a full path to a local file baked into the
container image, e.g. "/image.qcow"
* `IMG_TARGET` the name to save the image above as in the shared
volume.
It also supports two files, which should be mounted as ConfigMaps if
using Kubernetes at `/userdata` and `/metadata` as YAML files
containing, obviously meta-data and user-data as YAML that will be fed
to the VM as a config-drive iso.
The "pet" version of the image, which is created using qemu-img -b to
base it on the source, is stored in a separate volume dedicated to the
VM itself, and named after the container hostname.
There are a few other parameters you can control as an operator:
* `VM_IP` is the IP address the VM should be allocated by DHCP. The
container will 1:1 NAT except for port 5900 for VNC access (defaults
to 192.168.254.2)
* `VM_GW` is the gateway IP address the VM should use for its default
route (defaults to 192.168.254.1)

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- 5
berth/Chart.yaml View File

@ -1,5 +0,0 @@
apiVersion: v1
description: Minimalist VMs on Kubernetes
name: berth
version: 0.1.0
icon: https://upload.wikimedia.org/wikipedia/commons/6/62/Anchor_pictogram.svg

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- 1
berth/requirements.yaml View File

@ -1 +0,0 @@
dependencies: []

+ 0
- 290
berth/templates/bin/_startvm.sh.tpl View File

@ -1,290 +0,0 @@
#!/bin/bash
set -ex
# FIXME; right now this doens't work, need to work out why
#set -o pipefail
# Returns the integer representation of an IP arg, passed in ascii
# dotted-decimal notation (x.x.x.x)
atoi() {
IP=$1; IPNUM=0
for (( i=0 ; i<4 ; ++i )); do
((IPNUM+=${IP%%.*}*$((256**$((3-${i}))))))
IP=${IP#*.}
done
echo $IPNUM
}
# Returns the dotted-decimal ascii form of an IP arg passed in integer
# format
itoa() {
echo -n $(($(($(($((${1}/256))/256))/256))%256)).
echo -n $(($(($((${1}/256))/256))%256)).
echo -n $(($((${1}/256))%256)).
echo $((${1}%256))
}
generate_cloud_drive() {
metadata=/metadata
if [ ! -f $metadata ]; then
metadata=""
fi
userdata=/userdata
if [ ! -f $userdata ]; then
userdata=""
fi
if [ "$metadata" == "" -a "$userdata" == "" ]; then
return
fi
TMPDIR=`mktemp -d -t aicvm.XXXXXX`
if [ $? -ne 0 ]; then
echo "Fail to create temporaily directory"
exit 1
fi
# create form of config drive
mkdir -p ${TMPDIR}/openstack/2012-08-10
OLD_PWD=$PWD
cd ${TMPDIR}/openstack
ln -s 2012-08-10 latest
cd $OLD_PWD
if [ -f $metadata ]; then
cp $metadata ${TMPDIR}/openstack/2012-08-10/meta_data.json
fi
if [ -f $userdata ]; then
cp $userdata ${TMPDIR}/openstack/2012-08-10/user_data
fi
iso="cloud-drive.iso"
mkisofs -R -V config-2 -o $iso ${TMPDIR}
if [ $? -ne 0 ]; then
echo Fail to create cloud-drive ISO image for cloud-init
exit 1
fi
echo $iso
}
# Generate random new MAC address
hexchars="0123456789ABCDEF"
end=$( for i in {1..8} ; do echo -n ${hexchars:$(( $RANDOM % 16 )):1} ; done | sed -e 's/\(..\)/:\1/g' )
NEWMAC=`echo 06:FE$end`
# These two variables can be overwritten
: ${KVM_BLK_OPTS:="-drive file=\$KVM_IMAGE,if=none,id=drive-disk0,format=qcow2 \
-device virtio-blk-pci,scsi=off,drive=drive-disk0,id=virtio-disk0,bootindex=1"}
: ${KVM_RAW_BLK_OPTS:="-drive file=\$KVM_IMAGE,if=none,id=drive-disk0,format=raw \
-device virtio-blk-pci,scsi=off,drive=drive-disk0,id=virtio-disk0,bootindex=1"}
: ${KVM_NET_OPTS:="-netdev bridge,br=\$BRIDGE_IFACE,id=net0 \
-device virtio-net-pci,netdev=net0,mac=\$NEWMAC"}
# define some valeus for the VM side of the networking but
# allow them to be overridden by the operator
: ${VM_IP:="192.168.254.2"}
: ${VM_GW:="192.168.254.1"}
# the netmask is not definable, as we leverage
# /30 elsewhere
VM_NETMASK="255.255.255.252"
# For debugging
if [ "$1" = "bash" ]; then
exec bash
fi
# Pass Docker command args to kvm
KVM_ARGS=$@
# Create the qcow disk image on the Docker volume named /image, using
# the compressed qcow image that came with Docker image as the base.
# Docker volumes typically perform better than the file system for
# Docker images (no need for overlay fs etc.)
if [ -e /dev/vm/root ]; then
KVM_BLK_OPTS="$KVM_RAW_BLK_OPTS"
KVM_IMAGE=/dev/vm/root
else
if [ -e "${IMG_TARGET}" ]; then
BASE=${IMG_TARGET}
else
if [ ! -d "/image" ]; then
echo "/image directory does not exist, failed to mount volume?"
exit 2
fi
if [ ! -e "/image/${IMG_TARGET}" ]; then
echo "Fetching missing image target"
curl ${IMG_SOURCE} > /image/${IMG_TARGET}
fi
BASE=/image/${IMG_TARGET}
fi
if [ ! -d "/image" ]; then
echo "/image directory does not exist, failed to mount volume /image?"
exit 2
fi
if [ -z "${HOSTNAME}" ]; then
echo "Could not find HOSTNAME var. Did you specify a HOSTNAME environment variable?"
fi
KVM_IMAGE=/image/${HOSTNAME}.qcow2
if [ -e "${KVM_IMAGE}" ]; then
echo "Image ${KVM_IMAGE} already exists. Not recreating"
else
qemu-img create -f qcow2 -b ${BASE} \
$KVM_IMAGE > /dev/null
if [[ $? -ne 0 ]]; then
echo "Failed to create qcow2 image"
exit 3
fi
fi
fi
VOLUMES_DIR="/volumes/"
VOLUMES_LIST=`find $VOLUMES_DIR -name "*.img" | sort -d`
extra_kvm_blk_opts=""
for volume in $VOLUMES_LIST /dev/vm/disk* ; do
if [ -e $volume ]; then
extra_kvm_blk_opts=$extra_kvm_blk_opts" -drive file=$volume,if=virtio,format=raw"
fi
done
KVM_BLK_OPTS=$KVM_BLK_OPTS$extra_kvm_blk_opts
# Network setup:
#
# 1. Create a bridge named br0
# 2. Remove IP from eth0, save eth0 MAC, give eth0 a random MAC
IFACE=eth0
BRIDGE_IFACE=br0
cidr2mask() {
local i mask=""
local full_octets=$(($1/8))
local partial_octet=$(($1%8))
for ((i=0;i<4;i+=1)); do
if [ $i -lt $full_octets ]; then
mask+=255
elif [ $i -eq $full_octets ]; then
mask+=$((256 - 2**(8-$partial_octet)))
else
mask+=0
fi
test $i -lt 3 && mask+=.
done
echo $mask
}
setup_bridge_networking() {
MAC=`ip addr show $IFACE | grep ether | sed -e 's/^[[:space:]]*//g' -e 's/[[:space:]]*\$//g' | cut -f2 -d ' '`
HOST_IP=`ip addr show dev $IFACE | grep "inet $IP" | awk '{print $2}' | cut -f1 -d/`
HOST_CIDR=`ip addr show dev $IFACE | grep "inet $IP" | awk '{print $2}' | cut -f2 -d/`
HOST_NETMASK=`cidr2mask $HOST_CIDR`
HOST_GATEWAY=`ip route get 8.8.8.8 | grep via | cut -f3 -d ' '`
NAMESERVER=( `grep nameserver /etc/resolv.conf | grep -v "#" | cut -f2 -d ' '` )
NAMESERVERS=`echo ${NAMESERVER[*]} | sed "s/ /,/"`
SEARCH=( `grep -E ^search /etc/resolv.conf | grep -v "#" | cut -f2- -d ' ' | tr ' ' ','` )
# MAC=$(ip addr show $IFACE | grep ether | sed -e 's/^[[:space:]]*//g' -e 's/[[:space:]]*\$//g' | cut -f2 -d ' ')
# HOST_IP=$(ip addr show dev $IFACE | grep "inet $IP" | awk '{print $2}' | cut -f1 -d/)
# HOST_CIDR=$(ip addr show dev $IFACE | grep "inet $IP" | awk '{print $2}' | cut -f2 -d/)
# HOST_NETMASK=$(cidr2mask $HOST_CIDR)
# HOST_GATEWAY=$(ip route get 8.8.8.8 | grep via | cut -f3 -d ' ')
# NAMESERVER=$(grep nameserver /etc/resolv.conf | grep -v "#" | cut -f2 -d ' ') )
# NAMESERVERS=$(echo ${NAMESERVER[*]} | sed "s/ /,/")
# SEARCH=$(grep -E ^search /etc/resolv.conf | grep -v "#" | cut -f2- -d ' ' | tr ' ' ',')
# fail if any of the above aren't suitable # here
[ -n "$MAC" ]
[ -n "$HOST_IP" ]
[ -n "$HOST_CIDR" ]
[ -n "$HOST_NETMASK" ]
[ -n "$HOST_GATEWAY" ]
[ -n "$NAMESERVER" ]
[ -n "$NAMESERVERS" ]
[ -n "$SEARCH" ]
# we must enable forwarding inside the container
echo 1 > /proc/sys/net/ipv4/ip_forward
# we support exposing port 5900 on the container but leave
# it up to the operator on whether to expose this - they can
# specify NO_VNC as an environment variable to disable this
# functionality
if [ -z $NO_VNC ]; then
iptables -t nat -A PREROUTING -p tcp \! --dport 5900 -d $HOST_IP -j DNAT --to-destination $VM_IP
iptables -t nat -A POSTROUTING -s $VM_IP -j SNAT --to-source $HOST_IP
else
iptables -t nat -A PREROUTING -d $HOST_IP -j DNAT --to-destination $VM_IP
iptables -t nat -A POSTROUTING -s $VM_IP -j SNAT --to-source $HOST_IP
fi
# generate VM specifics
cat > /etc/dnsmasq.conf << EOF
user=root
dhcp-range=$VM_IP,$VM_IP
dhcp-host=$NEWMAC,$HOSTNAME,$VM_IP,infinite
dhcp-option=option:router,$VM_GW
dhcp-option=option:netmask,$VM_NETMASK
dhcp-option=option:dns-server,$NAMESERVERS
dhcp-option=119,$SEARCH
EOF
if [ -z $NO_DHCP ]; then
dnsmasq
fi
brctl addbr $BRIDGE_IFACE
ip link set dev $BRIDGE_IFACE up
ip addr add $VM_GW/30 dev $BRIDGE_IFACE
# alanmeadows(NOTE) in many implementations with out of
# subnet gateways the dhcp approach does not work
# if [ -z $NO_DHCP ]; then
# ip addr add $NEWIP/$NEWCIDR dev $BRIDGE_IFACE
# fi
if [[ $? -ne 0 ]]; then
echo "Failed to bring up network bridge"
exit 4
fi
# Exec kvm as PID 1
mkdir -p /etc/qemu
echo allow $BRIDGE_IFACE > /etc/qemu/bridge.conf
}
# need to wait until network is ready
ISO=`generate_cloud_drive`
if [[ $ISO ]]; then
KVM_BLK_OPTS=$KVM_BLK_OPTS" -cdrom $ISO"
fi
setup_bridge_networking
HOST_IP=`ip addr show dev $IFACE | grep "inet $IP" | awk '{print $2}' | cut -f1 -d/`
VNC="-vnc $HOST_IP:0"
exec $LAUNCHER qemu-system-x86_64 \
-smp "$IMG_VCPU" \
-m "$IMG_RAM_MB" \
-machine q35 \
-cpu host,+x2apic \
-vga vmware \
-enable-kvm \
$VNC \
`eval echo $KVM_BLK_OPTS` \
`eval echo $KVM_NET_OPTS` \
-usbdevice tablet -nographic $KVM_ARGS

+ 0
- 33
berth/templates/iter-configmap.yaml View File

@ -1,33 +0,0 @@
{{- define "template" -}}
{{- $name := index . 0 -}}
{{- $context := index . 1 -}}
{{- $last := base $context.Template.Name }}
{{- $wtf := $context.Template.Name | replace $last $name -}}
{{ include $wtf $context }}
{{- end -}}
---
apiVersion: v1
kind: ConfigMap
metadata:
name: configmap-generic-startvm
data:
startvm.sh: |
{{ tuple "bin/_startvm.sh.tpl" . | include "template" | indent 4 }}
---
{{- range $name, $vm := .Values.vmlist }}
{{- if $vm.enabled }}
apiVersion: v1
kind: ConfigMap
metadata:
name: configmap-cloudconfig-{{ $name }}
data:
metadata: {{ toYaml $vm.cloudconfig.metadata | indent 4 }}
userdata: {{ toYaml $vm.cloudconfig.userdata | indent 4 }}
---
{{- end }}
{{- end }}

+ 0
- 98
berth/templates/iter-deployment.yaml View File

@ -1,98 +0,0 @@
{{- $envAll := . }}
{{ range $name, $vm := .Values.vmlist }}
# id: {{- $name }}
{{- if $vm.enabled }}
# vm enabled
apiVersion: extensions/v1beta1
kind: Deployment
metadata:
name: berth-{{ $name }}
spec:
replicas: 1
template:
metadata:
labels:
app: berth
annotations:
pod.beta.kubernetes.io/hostname: {{ $name }}
spec:
nodeSelector:
{{ $envAll.Values.labels.node_selector_key }}: {{ $envAll.Values.labels.node_selector_value }}
hostNetwork: false
hostPID: false
securityContext:
runAsUser: 0
containers:
- name: {{ $name }}
imagePullPolicy: IfNotPresent
image: {{ $envAll.Values.images.vmrunner }}
env:
- name: IMG_SOURCE
value: {{ $vm.vmconfig.rootfs.sourceurl }}
- name: IMG_TARGET
value: {{ $vm.vmconfig.rootfs.localtarget }}
- name: IMG_VCPU
value: "{{ $vm.vmconfig.cpu.vcpu }}"
- name: IMG_RAM_MB
value: "{{ $vm.vmconfig.cpu.ram_mb }}"
securityContext:
privileged: true
command:
- /startvm.sh
{{- if $vm.netconfig.ports }}
ports:
{{- range $for, $port := $vm.netconfig.ports }}
- containerPort: {{ $port }}
{{- end }}
{{- end }}
{{- if $vm.netconfig.readinessTcpProbe }}
readinessProbe:
tcpSocket:
port: {{ $vm.netconfig.readinessTcpProbe }}
{{- end }}
volumeMounts:
- name: volume-startvm
mountPath: /startvm.sh
subPath: startvm.sh
- name: image
mountPath: /image
- name: dev
mountPath: /dev
- name: sys
mountPath: /sys
- name: volume-cloudinit
mountPath: /userdata
subPath: userdata
- name: volume-cloudinit
mountPath: /metadata
subPath: metadata
volumes:
- name: volume-startvm
configMap:
name: configmap-generic-startvm
defaultMode: 0555
- name: image
persistentVolumeClaim:
claimName: {{ $name }}
- name: dev
hostPath:
path: /dev
- name: sys
hostPath:
path: /sys
- name: volume-cloudinit
configMap:
name: configmap-cloudconfig-{{ $name }}
items:
- key: userdata
path: userdata
- key: metadata
path: metadata
{{- else }}
# {{ $name }} not enabled!
{{- end }}
---
{{- end }}

+ 0
- 23
berth/templates/iter-pvc.yaml View File

@ -1,23 +0,0 @@
{{- range $name, $vm := .Values.vmlist }}
# id: {{- $name }}
{{- if $vm.enabled }}
# vm enabled
# {{ $vm.vmconfig.rootfs.pvc_size }} {{ $vm.vmconfig.rootfs.pvc_class }}
kind: PersistentVolumeClaim
apiVersion: v1
metadata:
name: {{ $name }}
spec:
accessModes: [ "ReadWriteOnce" ]
resources:
requests:
storage: {{ $vm.vmconfig.rootfs.pvc_size }}
{{- if $vm.vmconfig.rootfs.pvc_class }}
storageClassName: {{ $vm.vmconfig.rootfs.pvc_class}}
{{- end }}
{{- else }}
# vm disabled - skipping
{{- end }}
---
{{- end }}

+ 0
- 12
berth/values.yaml View File

@ -1,12 +0,0 @@
images:
vmrunner: quay.io/attcomdev/berth:latest
labels:
node_selector_key: openstack-control-plane
node_selector_value: enabled
# by default in the chart's values.yaml this is empty; use and
# override file and helm --values=... for your specific values
vmlist: { }

+ 0
- 7
doc/requirements.txt View File

@ -1,7 +0,0 @@
# The order of packages is significant, because pip processes them in the order
# of appearance. Changing the order has an impact on the overall integration
# process, which may cause wedges in the gate later.
sphinx!=1.6.6,!=1.6.7,>=1.6.2 # BSD
sphinxcontrib-apidoc>=0.2.0 # BSD
sphinx_rtd_theme>=0.2.4
reno>=2.5.0 # Apache-2.0

+ 0
- 0
doc/source/_static/.placeholder View File


+ 0
- 155
doc/source/conf.py View File

@ -1,155 +0,0 @@
# -*- coding: utf-8 -*-
#
# berth documentation build configuration file, created by
# sphinx-quickstart on Sat Sep 16 03:40:50 2017.
#
# This file is execfile()d with the current directory set to its
# containing dir.
#
# Note that not all possible configuration values are present in this
# autogenerated file.
#
# All configuration values have a default; values that are commented out
# serve to show the default.
# If extensions (or modules to document with autodoc) are in another directory,
# add these directories to sys.path here. If the directory is relative to the
# documentation root, use os.path.abspath to make it absolute, like shown here.
#
# import os
# import sys
# sys.path.insert(0, os.path.abspath('.'))
# -- General configuration ------------------------------------------------
# If your documentation needs a minimal Sphinx version, state it here.
#
# needs_sphinx = '1.0'
# Add any Sphinx extension module names here, as strings. They can be
# extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
# ones.
extensions = ['sphinx.ext.autodoc']
# Add any paths that contain templates here, relative to this directory.
# templates_path = []
# The suffix(es) of source filenames.
# You can specify multiple suffix as a list of string:
#
# source_suffix = ['.rst', '.md']
source_suffix = '.rst'
# The master toctree document.
master_doc = 'index'
# General information about the project.
project = u'Berth'
copyright = u'2017, Berth Authors'
author = u'Berth Authors'
# The version info for the project you're documenting, acts as replacement for
# |version| and |release|, also used in various other places throughout the
# built documents.
#
# The short X.Y version.
version = u'0.1.0'
# The full version, including alpha/beta/rc tags.
release = u'0.1.0'
# The language for content autogenerated by Sphinx. Refer to documentation
# for a list of supported languages.
#
# This is also used if you do content translation via gettext catalogs.
# Usually you set "language" from the command line for these cases.
language = None
# List of patterns, relative to source directory, that match files and
# directories to ignore when looking for source files.
# This patterns also effect to html_static_path and html_extra_path
exclude_patterns = []
# The name of the Pygments (syntax highlighting) style to use.
pygments_style = 'sphinx'
# If true, `todo` and `todoList` produce output, else they produce nothing.
todo_include_todos = False
# -- Options for HTML output ----------------------------------------------
# The theme to use for HTML and HTML Help pages. See the documentation for
# a list of builtin themes.
#
import sphinx_rtd_theme
html_theme = "sphinx_rtd_theme"
html_theme_path = [sphinx_rtd_theme.get_html_theme_path()]
# Theme options are theme-specific and customize the look and feel of a theme
# further. For a list of options available for each theme, see the
# documentation.
#
# html_theme_options = {}
# Add any paths that contain custom static files (such as style sheets) here,
# relative to this directory. They are copied after the builtin static files,
# so a file named "default.css" will overwrite the builtin "default.css".
html_static_path = ['_static']
# -- Options for HTMLHelp output ------------------------------------------
# Output file base name for HTML help builder.
htmlhelp_basename = 'berthdoc'
# -- Options for LaTeX output ---------------------------------------------
latex_elements = {
# The paper size ('letterpaper' or 'a4paper').
#
# 'papersize': 'letterpaper',
# The font size ('10pt', '11pt' or '12pt').
#
# 'pointsize': '10pt',
# Additional stuff for the LaTeX preamble.
#
# 'preamble': '',
# Latex figure (float) alignment
#
# 'figure_align': 'htbp',
}
# Grouping the document tree into LaTeX files. List of tuples
# (source start file, target name, title,
# author, documentclass [howto, manual, or own class]).
latex_documents = [
(master_doc, 'berth.tex', u'Berth Documentation',
u'Berth Authors', 'manual'),
]
# -- Options for manual page output ---------------------------------------
# One entry per manual page. List of tuples
# (source start file, name, description, authors, manual section).
man_pages = [
(master_doc, 'Berth', u'Berth Documentation',
[author], 1)
]
# -- Options for Texinfo output -------------------------------------------
# Grouping the document tree into Texinfo files. List of tuples
# (source start file, target name, title, author,
# dir menu entry, description, category)
texinfo_documents = [
(master_doc, 'Berth', u'Berth Documentation',
author, 'Berth', 'A deliberately minimalist VM runner for Kubernetes.',
'Miscellaneous'),
]

+ 0
- 26
doc/source/index.rst View File

@ -1,26 +0,0 @@
..
Copyright 2017 AT&T Intellectual Property.
All Rights Reserved.
Licensed under the Apache License, Version 2.0 (the "License"); you may
not use this file except in compliance with the License. You may obtain
a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
License for the specific language governing permissions and limitations
under the License.
=================================
Welcome to Berth's documentation!
=================================
Berth is a deliberately minimalist VM runner for Kubernetes.
.. toctree::
:maxdepth: 2
readme

+ 0
- 1
doc/source/readme.rst View File

@ -1 +0,0 @@
.. include:: ../../README.rst

+ 0
- 22
examples/cirros-test.yaml View File

@ -1,22 +0,0 @@
vmlist:
cirros-test:
enabled: true
vmconfig:
cpu:
vcpu: 1
ram_mb: 256
rootfs:
sourceurl: http://stupidest.org/vm/cirros-0.3.5-x86_64-disk.img
localtarget: cirros-vm.qcow2
pvc_size: 128Mi
netconfig:
ports:
ssh: 22
vnc: 5900
cloudconfig:
metadata: |
{ "uuid": "093772fe-d6a3-4eea-84bc-5966661a0c3e" }
userdata: |
#cloud-config
fqdn: cirros.example.com
bogus_not_used: "this won't hurt anthing but shouldn't be here"

+ 0
- 33
examples/demo-ub14-apache.yaml View File

@ -1,33 +0,0 @@
vmlist:
demo-ub14-apache:
enabled: true
vmconfig:
cpu:
vcpu: 1
ram_mb: 1024
rootfs:
sourceurl: http://stupidest.org/vm/ubuntu-14.04-amd64.img
localtarget: ubuntu-14.04-amd64.qcow2
pvc_size: 5Gi
pvc_class: managed
netconfig:
ports:
ssh: 22
vnc: 5900
readinessTcpProbe: 22
cloudconfig:
metadata: |
{ "uuid": "apache-demo.example.com" }
userdata: |
#cloud-config
fqdn: apache-demo.example.com
users:
- name: root
ssh-authorized-keys:
- "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAII+k1AYpUX7Y6+pVzkw3JPbRPNpoh7m1rZBP4Qa37Wz2 user@host"
- "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIPE/zGmNx3W52ztb/2vvTcgUN7RGbq172QXGcXKAagU1 user@host"
- "ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBKVeMUpC6Ba0UwyLeCCWexr/sc4kYwKW6mTSTpcQHDm+F5UqoW3pnbGPn3WSJB2AbCMP9oG0qQrLP2zHmE7fyog= otheruser@otherhost"
ssh_pwauth: True
runcmd:
- [ apt-get, update ]
- [ apt-get, install, -y, --force-yes, apache2 ]

+ 0
- 36
examples/ub16-smp-test.yaml View File

@ -1,36 +0,0 @@
vmlist:
ub16-smp-test:
enabled: true
vmconfig:
cpu:
vcpu: 2
ram_mb: 2048
rootfs:
sourceurl: http://stupidest.org/vm/cw-ub16-test-3a.qcow2
localtarget: cw-ub16-test.qcow2
pvc_size: 7Gi
netconfig:
ports:
ssh: 22
vnc: 5900
cloudconfig:
metadata: |
{
"uuid": "093772fe-d6a3-4eea-84bc-5966661a0c3e",
"name": "my-name",
"instance-id": "my-instance-id",
"availability-zone": "my-az",
"hostname": "my-hostname",
"local-hostname": "my-local-hostname",
"launch-index": "123"
}
userdata: |
#cloud-config
fqdn: ub16-smp-test.example.com
users:
- name: root
ssh-authorized-keys:
- "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAII+k1AYpUX7Y6+pVzkw3JPbRPNpoh7m1rZBP4Qa37Wz2 user@host"
- "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIPE/zGmNx3W52ztb/2vvTcgUN7RGbq172QXGcXKAagU1 user@host"
- "ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBKVeMUpC6Ba0UwyLeCCWexr/sc4kYwKW6mTSTpcQHDm+F5UqoW3pnbGPn3WSJB2AbCMP9oG0qQrLP2zHmE7fyog= otheruser@otherhost"
ssh_pwauth: True

+ 0
- 14
examples/zz-fail-bogus.yaml View File

@ -1,14 +0,0 @@
# this vm isn't fully defined, not enabling it is enough to have the
# templates skip over the details and not barf
vmlist:
- bogus-vm:
enabled: false
extra: "thang"
vmconfig: "this is wrong"
cloudconfig:
metadata: "{ "
userdata: false
# bogus mess
somevm:
enabled: "can't be bothered"
extra: "peanuts"

+ 0
- 1
examples/zz-fail-nothing.yaml View File

@ -1 +0,0 @@
# nada

+ 0
- 3
examples/zz-fail-parse.yaml View File

@ -1,3 +0,0 @@
vmlist:
- wrong

+ 0
- 3
requirements.txt View File

@ -1,3 +0,0 @@
# The order of packages is significant, because pip processes them in the order
# of appearance. Changing the order has an impact on the overall integration
# process, which may cause wedges in the gate later.

+ 0
- 31
setup.cfg View File

@ -1,31 +0,0 @@
[metadata]
name = Berth
summary = A deliberately minimalist VM runner for Kubernetes.
description-file = README.rst
author = The Airship Authors
author-email = airship-discuss@lists.airshipit.org
home-page = https://airship-berth.readthedocs.io/
classifier =
Intended Audience :: Information Technology
Intended Audience :: System Administrators
License :: OSI Approved :: Apache Software License
Operating System :: POSIX :: Linux
Programming Language :: Python
Programming Language :: Python :: 2
Programming Language :: Python :: 2.7
Programming Language :: Python :: 3
Programming Language :: Python :: 3.5
[files]
packages =
berth
[build_sphinx]
source-dir = doc/source
build-dir = doc/build
all_files = 1
warning-is-error = 1
[upload_sphinx]
upload-dir = doc/build/html

+ 0
- 27
setup.py View File

@ -1,27 +0,0 @@
# Copyright 2017 AT&T Intellectual Property. All other rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import setuptools
# In python < 2.7.4, a lazy loading of package `pbr` will break
# setuptools if some other modules registered functions in `atexit`.
# solution from: http://bugs.python.org/issue15881#msg170215
try:
import multiprocessing # noqa
except ImportError:
pass
setuptools.setup(
setup_requires=['pbr>=2.0.0'],
pbr=True)

+ 0
- 6
test-requirements.txt View File

@ -1,6 +0,0 @@
# The order of packages is significant, because pip processes them in the order
# of appearance. Changing the order has an impact on the overall integration
# process, which may cause wedges in the gate later.
sphinx>=1.6.2
sphinx_rtd_theme==0.2.4

+ 0
- 13
tools/gate/setup.sh View File

@ -1,13 +0,0 @@
#!/bin/sh
set -ex
. /etc/os-release
type=${ID_LIKE:=ID}
if [ "$type" == "debian" ] ; then
apt-get update
apt-get install netcat-openbsd jq
else
yum install netcat jq
fi

+ 0
- 41
tools/gate/test.sh View File

@ -1,41 +0,0 @@
#!/bin/bash
set -ex
NS=berth
helm install --name=berth --debug ./berth --values=examples/cirros-test.yaml --namespace="${NS}"
# wait until we get a PODIP
while : ; do
PODIP=$(kubectl -n "${NS}" get pods -o wide -o json | jq -r '.items[].status.podIP')
if [ -n "$PODIP" -a "null" != "$PODIP" ] ; then
break
fi
echo "waiting for PODIP"
# XXX
kubectl get pods --all-namespaces
sleep 2
done
kubectl -n "${NS}" get pods
# wait for pod to come up say something on ssh
timeout=60
t=0
while : ; do
if echo "bye" | nc "${PODIP}" 22 | grep --quiet ^SSH ; then
echo "VM up"
break
fi
if [ $t -gt $timeout ] ; then
exit 2
fi
t=$(($t + 5))
sleep 2
done
# verify we can cleanup
helm upgrade berth ./berth --values=berth/values.yaml
helm delete --purge berth

+ 0
- 25
tox.ini View File

@ -1,25 +0,0 @@
[tox]
envlist = py35
[testenv]
usedevelop = True
whitelist_externals = rm
setenv = VIRTUAL_ENV={envdir}
LANGUAGE=en_US
LC_ALL=en_US.utf-8
passenv=HTTP_PROXY HTTPS_PROXY http_proxy https_proxy NO_PROXY no_proxy
deps = -r{toxinidir}/requirements.txt
-r{toxinidir}/test-requirements.txt
commands =
find . -type f -name "*.pyc" -delete
rm -Rf .testrepository/times.dbm
[testenv:venv]
commands = {posargs}
[testenv:docs]
basepython = python3
deps = -r{toxinidir}/doc/requirements.txt
commands =
rm -rf doc/build
sphinx-build -W -b html doc/source doc/build/html

+ 0
- 116
validate.py View File

@ -1,116 +0,0 @@
#!/usr/bin/python
#
# Ideally we would use jsonschema.validate but getting useful error
# output has been challenging. This can be revisited as needed.
import yaml
import sys
def validate_leaves(prefix, vm, l):
valid_leaves = [ ]
# first check to make sure we have what we think we should
for nd in l:
n = nd[0]
t = nd[1]
o = False
if len(nd)>2:
o = nd[2]
try:
if n not in vm.keys():
if o:
print "[W] Missing leaf:", prefix+n
else:
print "[E] Missing leaf:", prefix+n
continue
if type(vm[n]) != type(t):
print "[E] Wrong type for %s (got '%s' expected '%s')" % (prefix+n, type(vm[n]).__name__, type(t).__name__)
continue
except:
print "[W] Unable to validate leaf:", prefix+n
continue
valid_leaves.append(n)
if type(vm) == type(dict()):
# now look for things we don't know how to deal with
for n in vm.keys():
if n not in [ x[0] for x in l]:
print "[W] Unexpected leaf:", prefix+n
return valid_leaves
def validate_file(filename):
try:
yamlgen = list(yaml.safe_load_all(open(filename)))
except yaml.parser.ParserError:
print "[E] Invalid yaml"
return
if not yamlgen or not yamlgen[0]:
print "[E] File contains no valid yaml"
return
top = list(yamlgen)[0]
vmlist = top["vmlist"]
if not vmlist or not isinstance(vmlist, dict):
print "[E] No vmlist dict declared"
return
for name in vmlist:
vm = vmlist[name]
print "VM:", name
vl = validate_leaves("", vm, [ ("enabled",bool()), ("vmconfig",dict()), ("netconfig",dict()), ("cloudconfig",dict()) ] )
if "vmconfig" in vl:
# validate vmconfig
vmconfig = vm["vmconfig"]
vl2 = validate_leaves("vmconfig.", vmconfig, [ ("cpu",dict()), ("rootfs",dict()) ])
if "cpu" in vl2:
# validate vmconfig.cpu
cpu = vmconfig["cpu"]
vl3 = validate_leaves("vmconfig.cpu.", cpu, [ ("vcpu",int()), ("ram_mb",int()) ])
if "vcpus" in vl3:
vcpu = int(cpu["vcpus"])
if vcpu < 1 or vcpu > 8:
print "[W] vmconfig.cpu.vcpu has odd looking value:", vcpu
if "ram_mb" in vl3:
ram_mb = int(cpu["ram_mb"])
if ram_mb < 512 or ram_mb > 32768:
print "[W] vmconfig.cpu.ram_mb has odd looking value:", ram_mb
if "rootfs" in vl2:
# validate vmconfig.rootfs
rootfs = vmconfig["rootfs"]
vl3 = validate_leaves("vmconfig.rootfs.", rootfs, [ ("sourceurl",str()), ("localtarget",str()), ("pvc_size",str()), ("pvc_class",str(), True) ])
if "sourceurl" in vl3:
if not rootfs["sourceurl"].startswith("http"):
print "[W] vmconfig.rootfs.sourceurl has odd looking value:", rootfs["sourceurl"]
if "netconfig" in vl:
# validate netconfig
netconfig = vm["netconfig"]
vm2 = validate_leaves("netconfig.", netconfig, [ ("ports",dict()), ("readinessTcpProbe",int(), True) ])
# do more?
if "cloudconfig" in vl:
# validate cloudconfig
cloudconfig = vm["cloudconfig"]
vl2 = validate_leaves("cloudconfig.", cloudconfig, [ ("metadata",str()), ("userdata",str()) ])
# check things look sane
for yamlobj in [ "metadata", "userdata" ]:
if yamlobj in vl2:
try:
yaml.load(cloudconfig[yamlobj])
except:
print "[E] Bad yaml for vmconfig.cloudconfig.%s" % yamlobj
if __name__ == "__main__":
for fn in sys.argv[1:]:
print "Filename:", fn
validate_file(fn)
print

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