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magnum/contrib/drivers/dcos_centos_v1/image/README.md

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============= centos-dcos

This directory contains [diskimage-builder](https://github.com/openstack/diskimage-builder) elements to build an centos image which contains dcos.

Pre-requisites to run diskimage-builder

For diskimage-builder to work, following packages need to be present:

  • kpartx
  • qemu-utils
  • curl
  • xfsprogs
  • yum
  • yum-utils
  • git

For Debian/Ubuntu systems, use::

apt-get install kpartx qemu-utils curl xfsprogs yum yum-utils git

For CentOS and Fedora < 22, use::

yum install kpartx qemu-utils curl xfsprogs yum yum-utils git

For Fedora >= 22, use::

dnf install kpartx @virtualization curl xfsprogs yum yum-utils git

How to generate Centos image with DC/OS 1.8.x

  1. Download and export element path

    git clone https://git.openstack.org/openstack/magnum git clone https://git.openstack.org/openstack/diskimage-builder.git git clone https://git.openstack.org/openstack/dib-utils.git git clone https://git.openstack.org/openstack/tripleo-image-elements.git git clone https://git.openstack.org/openstack/heat-templates.git

    export PATH="${PWD}/diskimage-builder/bin:$PATH" export PATH="${PWD}/dib-utils/bin:$PATH" export ELEMENTS_PATH=magnum/contrib/drivers/dcos_centos_v1/image export ELEMENTS_PATH=${ELEMENTS_PATH}:diskimage-builder/elements export ELEMENTS_PATH=${ELEMENTS_PATH}:tripleo-image-elements/elements:heat-templates/hot/software-config/elements

  2. Export environment path of the url to download dcos_generate_config.sh This default download url is for DC/OS 1.8.4

    export DCOS_GENERATE_CONFIG_SRC=e64024af95/dcos_generate_config.sh

    Or specify local file path

    export DCOS_GENERATE_CONFIG_SRC=pwd/dcos_generate_config.sh

  3. Set file system type to xfs Only XFS is currently supported for overlay. See https://dcos.io/docs/1.8/administration/installing/custom/system-requirements/install-docker-centos/#recommendations

    export FS_TYPE=xfs

  4. Create image

    disk-image-create
    centos7 vm docker dcos selinux-permissive
    os-collect-config os-refresh-config os-apply-config
    heat-config heat-config-script
    -o centos-7-dcos.qcow2

  5. (Optional) Create user image for bare metal node Create with elements dhcp-all-interfaces and devuser

    export DIB_DEV_USER_USERNAME=centos export DIB_DEV_USER_PWDLESS_SUDO=YES

    disk-image-create
    centos7 vm docker dcos selinux-permissive dhcp-all-interfaces devuser
    os-collect-config os-refresh-config os-apply-config
    heat-config heat-config-script
    -o centos-7-dcos-bm.qcow2