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Merge pull request #437 from runhyve/cloud-init-override-hostname

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Allow override hostname with cloud-init configuration
This commit is contained in:
Matt Churchyard
2022-02-17 08:59:38 +00:00
committed by GitHub
parent b6e73e3a31 31bcb7aeef
commit 361856d23d
1 changed files with 29 additions and 18 deletions
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47
lib/vm-core
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@@ -254,30 +254,22 @@ core::create(){
core::create_cloud_init(){
# create disk with metadata for cloud-init
_cloud_init_dir="${VM_DS_PATH}/${_name}/.cloud-init"
# Use VM's name as a hostname by default
_hostname="${_name}"
mkdir -p "${_cloud_init_dir}"
cat << EOF > "${_cloud_init_dir}/meta-data"
instance-id: ${_uuid}
local-hostname: ${_name}
EOF
cat << EOF > "${_cloud_init_dir}/user-data"
#cloud-config
resize_rootfs: True
manage_etc_hosts: localhost
EOF
if [ -n "${_ssh_public_key}" ]; then
cat << EOF >> "${_cloud_init_dir}/user-data"
ssh_authorized_keys:
- ${_ssh_public_key}
EOF
fi
if [ -n "${_network_config}" ]; then
# Example netconfig param: "ip=10.0.0.2/24;gateway=10.0.0.1;nameservers=1.1.1.1,8.8.8.8"
_network_config_ipaddress="$(echo "${_network_config}" | pcregrep -o "ip=\K[^;]*")"
_network_config_gateway="$(echo "${_network_config}" | pcregrep -o "gateway=\K[^;]*")"
_network_config_nameservers="$(echo "${_network_config}" | pcregrep -o "nameservers=\K[^;]*")"
_network_config_hostname="$(echo "${_network_config}" | pcregrep -o "hostname=\K[^;]*")"
# Override default hostname when network config is passed to cloud-init
if [ ! -z "${_network_config_hostname}" ]; then
_hostname="${_network_config_hostname}"
fi
cat << EOF > "${_cloud_init_dir}/network-config"
version: 2
@@ -287,13 +279,32 @@ ethernets:
match:
macaddress: "${_mac}"
addresses:
- ${_network_config_ipaddress}
- ${_network_config_ipaddress}
gateway4: ${_network_config_gateway}
nameservers:
search: []
addresses: [${_network_config_nameservers}]
EOF
fi
cat << EOF > "${_cloud_init_dir}/meta-data"
instance-id: ${_uuid}
local-hostname: ${_hostname}
EOF
cat << EOF > "${_cloud_init_dir}/user-data"
#cloud-config
resize_rootfs: True
manage_etc_hosts: localhost
EOF
if [ -n "${_ssh_public_key}" ]; then
cat << EOF >> "${_cloud_init_dir}/user-data"
ssh_authorized_keys:
- ${_ssh_public_key}
EOF
fi
genisoimage -output "${VM_DS_PATH}/${_name}/seed.iso" -volid cidata -joliet -rock ${_cloud_init_dir}/* > /dev/null 2>&1 || util::err "Can't write seed.iso for cloud-init"
config::set "${_name}" "disk${_num}_type" "ahci-cd"
config::set "${_name}" "disk${_num}_name" "seed.iso"