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README.md

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Metadata Server

This metadata server emulates the OpenStack Nova metadata API for being used outside a normal OpenStack environment. As example this can be used if running OpenStack Ironic as a standalone service.

This metadata server can handle cloud-init and Cloudbase-Init at the moment.

Add new sources

Please feel free to add your own API services as datasource. Just raise a pull request and implement the interface.

package sources

type Source interface {
	Type() string
	Initialize(cfg SourceConfig) error
	GetMetadata(ip net.IP) (*Metadata, error)
	ReportLog(log ReportMessage) error
}

Run the metadata server

To run the metadata server use Docker or build the binary and run it on your infrastructure.

Docker Image

Our pre-build image is published automatically on Docker Hub. It is using Alpine Linux as base image and is also compatible to run on OpenShift or Kubernetes.

Currently, we do not provide a helm chart for this image but might be coming.

docker run --rm \
    --pull always \
    --platform linux/amd64 \
    --name metadata-server \
    --publish 0.0.0.0:80:8080 \
    --volume `pwd`/default.config.yaml:/data/config.yaml \
    gportal/metadata-server:latest

Provisioning

cloud-init

For getting the metadata server to work with Cloud-Init on bare metal you need at least version 23.1.1 of cloud-init installed on the machine.

Example /etc/cloud.cfg.d/01-metadata.cfg configuration to use the metadata server with cloud-init. It is important that only OpenStack is configured as datasource to bypass the platform checks of Cloud-Init.

datasource_list: [ OpenStack ]

reporting:
  metadata:
    type: webhook
    endpoint: http://169.254.169.254/reporting/cloud-init
    timeout: 10
    retries: 1

Cloudbase-Init

Example C:\ProgramData\Cloudbase Solutions\Cloudbase-Init\conf\cloudbase-init.conf configuration to use the metadata server with Cloudbase-Init.

[DEFAULT]
username=Administrator
groups=Administrators

first_logon_behaviour=no
inject_user_password=true

mtu_use_dhcp_config=true
ntp_use_dhcp_config=true

metadata_services=cloudbaseinit.metadata.services.httpservice.HttpService

bsdtar_path=C:\Program Files\Cloudbase Solutions\Cloudbase-Init\bin\bsdtar.exe
mtools_path=C:\Program Files\Cloudbase Solutions\Cloudbase-Init\bin\

log-dir=C:\Program Files\Cloudbase Solutions\Cloudbase-Init\log\
log-file=cloudbase-init.log

local_scripts_path=C:\Program Files\Cloudbase Solutions\Cloudbase-Init\LocalScripts\

default_log_levels=comtypes=INFO,suds=INFO,iso8601=WARN,requests=INFO
verbose=true
debug=true