From 4f300ca63268f73a63e01f5528ecdc5e6f46d67e Mon Sep 17 00:00:00 2001
From: Leif Johansson <leifj@sunet.se>
Date: Wed, 22 Oct 2014 14:28:05 +0200
Subject: simple kvm builder using cloud images
---
global/overlay/etc/cosmos/apt/bootstrap-cosmos.sh | 42 +++++++
global/overlay/etc/cosmos/apt/cosmos_1.2-2_all.deb | Bin 0 -> 11724 bytes
global/overlay/usr/local/sbin/cosmos_vm | 124 +++++++++++++++++++++
3 files changed, 166 insertions(+)
create mode 100755 global/overlay/etc/cosmos/apt/bootstrap-cosmos.sh
create mode 100644 global/overlay/etc/cosmos/apt/cosmos_1.2-2_all.deb
create mode 100755 global/overlay/usr/local/sbin/cosmos_vm
(limited to 'global/overlay')
diff --git a/global/overlay/etc/cosmos/apt/bootstrap-cosmos.sh b/global/overlay/etc/cosmos/apt/bootstrap-cosmos.sh
new file mode 100755
index 0000000..28cbde0
--- /dev/null
+++ b/global/overlay/etc/cosmos/apt/bootstrap-cosmos.sh
@@ -0,0 +1,42 @@
+#!/bin/sh
+
+set -e
+
+cmd_hostname="$1"
+if test -z "$cmd_hostname"; then
+ echo "Usage: $0 HOSTNAME REPO TAGPATTERN"
+ exit 1
+fi
+
+cmd_repo="$2"
+if test -z "$cmd_repo"; then
+ echo "Usage $0 HOSTNAME REPO TAGPATTERN"
+ exit 2
+fi
+
+cmd_tags="$3"
+if test -z "$cmd_tags"; then
+ echo "Usage $0 HOSTNAME REPO TAGPATTERN"
+ exit 3
+fi
+
+set -x
+
+apt-get -y install rsync git-core wget
+dpkg -i cosmos_1.2-2_all.deb
+
+if ! test -d /var/cache/cosmos/repo; then
+ cosmos clone "$cmd_repo"
+fi
+
+hostname $cmd_hostname
+
+perl -pi -e "s,#COSMOS_REPO_MODELS=.*,COSMOS_REPO_MODELS=\"\\\$COSMOS_REPO/global/:\\\$COSMOS_REPO/$cmd_hostname/\"," /etc/cosmos/cosmos.conf
+perl -pi -e "s,#COSMOS_UPDATE_VERIFY_GIT_TAG_PATTERN=.*,COSMOS_UPDATE_VERIFY_GIT_TAG_PATTERN=\"${cmd_tags}*\"," /etc/cosmos/cosmos.conf
+
+env COSMOS_BASE=/var/cache/cosmos COSMOS_KEYS=/var/cache/cosmos/repo/global/overlay/etc/cosmos/keys /var/cache/cosmos/repo/global/post-tasks.d/015cosmos-trust
+
+(date; nohup cosmos -v update && nohup cosmos -v apply; date) 2>&1 | tee /var/log/cosmos.log
+
+
+exit 0
diff --git a/global/overlay/etc/cosmos/apt/cosmos_1.2-2_all.deb b/global/overlay/etc/cosmos/apt/cosmos_1.2-2_all.deb
new file mode 100644
index 0000000..9fe4434
Binary files /dev/null and b/global/overlay/etc/cosmos/apt/cosmos_1.2-2_all.deb differ
diff --git a/global/overlay/usr/local/sbin/cosmos_vm b/global/overlay/usr/local/sbin/cosmos_vm
new file mode 100755
index 0000000..bf27576
--- /dev/null
+++ b/global/overlay/usr/local/sbin/cosmos_vm
@@ -0,0 +1,124 @@
+#!/bin/bash
+
+set -- $(getopt h?H:D?s:B:M:C:R:i:g:n:I:G:N: "$@")
+
+src_image=""
+size="1G"
+dhcp="no"
+hostname="default"
+bridge="br0"
+cpus="1"
+mem="1024"
+repo="git://code.mnt.se/mnt-cosmos.git"
+tag="eduid-cosmos"
+ip=""
+gateway=""
+netmask=""
+resolver=""
+ip6=""
+gateway6=""
+netmask6="64"
+
+while [ $# -gt 0 ]; do
+ case "$1" in
+ (-h) echo "Usage: $0 [-h] [-H hostname] [-M <memory>] [-C <#cpus>] [-B <bridge>] [-D (dhcp)] [-i/-I <ip4/6>] [-n/-N <mask4/6>] [-g/-G <gw4/6>] [-R <resolver(s)>] [-s <src image>]"; exit 0;;
+ (-H) hostname="$2"; shift;;
+ (-s) src_image="$2"; shift;;
+ (-D) dhcp="yes" ;;
+ (-S) size="$2"; shift;;
+ (-B) bridge="$2"; shift;;
+ (-M) mem="$2"; shift;;
+ (-C) cpus="$2"; shift;;
+ (-R) resolver="$2"; shift;;
+ (-i) ip="$2"; shift;;
+ (-g) gateway="$2"; shift;;
+ (-n) netmask="$2"; shift;;
+ (-I) ip6="$2"; shift;;
+ (-G) gateway6="$2"; shift;;
+ (-N) netmask6="$2"; shift;;
+ (--) shift; break;;
+ (-*) echo "Unknown option $1\nUsage: $0 [-h] [-H hostname] [-M <memory>] [-C <#cpus>] [-B <bridge>] [-D (dhcp)] [-i/-I <ip4/6>] [-n/-N <mask4/6>] [-g/-G <gw4/6>] [-R <resolver(s)>] [-s <src image>]"; exit 1;;
+ (*) break;;
+ esac
+ shift
+done
+
+id=$(uuidgen)
+
+seed=${id}_seed.img
+disk=${id}.img
+
+rm -f ${seed}
+truncate --size 2M ${seed}
+mkfs.vfat -n cidata ${seed} 2>/dev/null
+
+user_data=$(mktemp)
+cat > ${user_data} <<EOF
+#cloud-config
+password: ubuntu
+chpasswd: { expire: False }
+ssh_pwauth: True
+ssh_authorized_keys:
+ - ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDVvB4gdJ6EWRmx8xUSxrhoUNnWxEf8ZwAqhzC1+7XBY/hSd/cbEotLB9gxgqt0CLW56VU4FPLTw8snD8tgsyZN6KH1Da7UXno8oMk8tJdwLQM0Ggx3aWuztItkDfBc3Lfvq5T07YfphqJO7rcSGbS4QQdflXuOM9JLi6NStVao0ia4aE6Tj68pVVb3++XYvqvbU6NtEICvkTxEY93YpnRSfeAi64hsbaqSTN4kpeltzoSD1Rikz2aQFtFXE03ZC48HtGGhdMFA/Ade6KWBDaXxHGARVQ9/UccfhaR2XSjVxSZ8FBNOzNsH4k9cQIb2ndkEOXZXnjF5ZjdI4ZU0F+t7 leifj+00060AD478D6@sunet.se
+runcmd:
+ - ["mkdir","/tmp/seed"]
+ - ["mount","/dev/vdb","/tmp/seed"]
+ - ["cp","/tmp/seed/bootstrap-cosmos.sh","/tmp/seed/cosmos_1.2-2_all.deb","/root"]
+ - ["cd","/root"]
+ - "cd /root && /root/bootstrap-cosmos.sh ${hostname} ${repo} ${tag}"
+
+EOF
+
+meta_data=$(mktemp)
+cat > ${meta_data} <<EOF
+#cloud-config
+instance-id: iid-${id}
+local-hostname: ${hostname}
+EOF
+
+if [ "x${dhcp}" = "xyes" ]; then
+cat >> ${meta_data} <<EOF
+network-interfaces: |
+ auto eth0
+ iface eth0 inet dhcp
+EOF
+else
+ if [ "x${ip}" != "x" ]; then
+ cat >> ${meta_data} <<EOF
+network-interfaces: |
+ auto eth0
+ iface eth0 inet static
+ address ${ip}
+ netmask ${netmask}
+ gateway ${gateway}
+ dns-nameservers ${resolver}
+
+EOF
+ fi
+
+ if [ "x${ip6}" != "x" ]; then
+ cat >> ${meta_data} <<EOF
+network-interfaces: |
+ auto eth0
+ iface eth0 inet6 static
+ address ${ip6}
+ netmask ${netmask6}
+ gateway ${gateway6}
+ dns-nameservers ${resolver}
+
+EOF
+ fi
+fi
+
+mcopy -i ${seed} ${user_data} ::user-data 2>/dev/null
+mcopy -i ${seed} ${meta_data} ::meta-data 2>/dev/null
+mcopy -i ${seed} /etc/cosmos/apt/bootstrap-cosmos.sh /etc/cosmos/apt/cosmos_1.2-2_all.deb ::
+mv ${seed} /var/lib/libvirt/images/
+virsh pool-refresh default
+
+virsh vol-clone --pool default ${src_image} ${disk}
+
+virt-install -r ${mem} -n ${hostname} --vcpus=${cpus} --autostart --memballoon virtio --network bridge=${bridge} --boot hd --disk vol=default/${disk},format=qcow2,bus=virtio --disk vol=default/${seed},bus=virtio
+
+rm -f ${user_data}
+rm -f ${meta_data}
--
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