Blank Image build-20260401-033026

HotStack Blank image built by GitHub Actions.

Image Details

• Format: qcow2
• Size: 1MB
• Build type: Scheduled (quarterly)
• Purpose: Minimal blank disk image for virtual baremetal nodes with Redfish virtual BMC

Usage

# Download the image
curl -L -O https://github.com/openstack-k8s-operators/hotstack/releases/download/build-20260401-033026/blank-image-build-20260401-033026.qcow2

# Upload to OpenStack Glance (qcow2 works for most deployments)
openstack image create sushy-tools-blank-image \
  --disk-format qcow2 \
  --container-format bare \
  --property hw_firmware_type=uefi \
  --property hw_machine_type=q35 \
  --property os_shutdown_timeout=5 \
  --file blank-image-build-20260401-033026.qcow2

# If you need raw format (required for some Ceph RBD backends):
qemu-img convert -f qcow2 -O raw \
  blank-image-build-20260401-033026.qcow2 blank-image.raw
openstack image create sushy-tools-blank-image \
  --disk-format raw \
  --container-format bare \
  --property hw_firmware_type=uefi \
  --property hw_machine_type=q35 \
  --property os_shutdown_timeout=5 \
  --file blank-image.raw

iPXE Images build-20260401-012658

iPXE boot images built by GitHub Actions.

Images Included

• ipxe-efi-build-20260401-012658.img - UEFI boot image
• ipxe-bios-build-20260401-012658.img - BIOS boot image (USB)
• Build type: Scheduled (quarterly)

Usage

These images are used for network booting OpenShift nodes in HotStack scenarios.

Download

# Download UEFI boot image
curl -L -O https://github.com/openstack-k8s-operators/hotstack/releases/download/build-20260401-012658/ipxe-efi-build-20260401-012658.img

# Download BIOS boot image
curl -L -O https://github.com/openstack-k8s-operators/hotstack/releases/download/build-20260401-012658/ipxe-bios-build-20260401-012658.img

Upload to Glance

See iPXE README for detailed upload instructions.

Controller Image build-20260330-013008

HotStack Controller image built by GitHub Actions.

Image Details

• Base: CentOS Stream 9
• Build Tool: diskimage-builder (DIB)
• Format: qcow2
• Build type: Scheduled (weekly)
• Packages: bash-completion, bind-utils, butane, dnsmasq, git,
  haproxy, httpd, httpd-tools, make, nfs-utils, nmstate, podman,
  tcpdump, tmux, vim-enhanced
• Timezone: UTC
• Partitioning: EFI boot support with GPT

Usage

# Download the image
curl -L -O https://github.com/openstack-k8s-operators/hotstack/releases/download/build-20260330-013008/controller-build-20260330-013008.qcow2

# Upload to OpenStack Glance (qcow2 works for most deployments)
openstack image create hotstack-controller \
  --disk-format qcow2 \
  --container-format bare \
  --file controller-build-20260330-013008.qcow2

# If you need raw format (required for some Ceph RBD backends):
qemu-img convert -f qcow2 -O raw \
  controller-build-20260330-013008.qcow2 controller.raw
openstack image create hotstack-controller \
  --disk-format raw \
  --container-format bare \
  --file controller.raw

Controller Image build-20260323-012214

HotStack Controller image built by GitHub Actions.

Image Details

• Base: CentOS Stream 9
• Build Tool: diskimage-builder (DIB)
• Format: qcow2
• Build type: Scheduled (weekly)
• Packages: bash-completion, bind-utils, butane, dnsmasq, git,
  haproxy, httpd, httpd-tools, make, nfs-utils, nmstate, podman,
  tcpdump, tmux, vim-enhanced
• Timezone: UTC
• Partitioning: EFI boot support with GPT

Usage

# Download the image
curl -L -O https://github.com/openstack-k8s-operators/hotstack/releases/download/build-20260323-012214/controller-build-20260323-012214.qcow2

# Upload to OpenStack Glance (qcow2 works for most deployments)
openstack image create hotstack-controller \
  --disk-format qcow2 \
  --container-format bare \
  --file controller-build-20260323-012214.qcow2

# If you need raw format (required for some Ceph RBD backends):
qemu-img convert -f qcow2 -O raw \
  controller-build-20260323-012214.qcow2 controller.raw
openstack image create hotstack-controller \
  --disk-format raw \
  --container-format bare \
  --file controller.raw

iPXE Images (Latest)

This is the latest iPXE images build. This release is automatically updated.

Latest Build: build-20260401-012658

Download

Use the static URLs for the latest build:

# Download UEFI boot image
curl -L -O https://github.com/openstack-k8s-operators/hotstack/releases/download/latest-ipxe/ipxe-efi-latest.img

# Download BIOS boot image
curl -L -O https://github.com/openstack-k8s-operators/hotstack/releases/download/latest-ipxe/ipxe-bios-latest.img

Upload to Glance

Upload the BIOS boot image for OCP nodes:

openstack image create --disk-format=raw --file ipxe-bios-latest.img ipxe-boot-usb \
  --property os_shutdown_timeout=5 \
  --public

Upload the UEFI rescue image:

openstack image create --disk-format=raw --file ipxe-efi-latest.img ipxe-rescue-uefi \
  --property os_shutdown_timeout=5 \
  --property hw_firmware_type=uefi \
  --property hw_machine_type=q35 \
  --public

Upload the BIOS rescue image:

openstack image create --disk-format=raw --file ipxe-bios-latest.img ipxe-rescue-bios \
  --property os_shutdown_timeout=5 \
  --public

For detailed documentation, see the iPXE README.

Controller Image (Latest)

This is the latest Controller image build. This release is automatically updated.

Latest Build: build-20260330-013008

Download

Use the static URL for the latest build:

curl -L -O https://github.com/openstack-k8s-operators/hotstack/releases/download/latest-controller/controller-latest.qcow2

Or download a specific version from the releases page
to pin your setup to a known-good build.

Usage

# Upload to OpenStack Glance (qcow2 works for most deployments)
openstack image create hotstack-controller \
  --disk-format qcow2 \
  --container-format bare \
  --file controller-latest.qcow2

# If you need raw format (required for some Ceph RBD backends):
qemu-img convert -f qcow2 -O raw controller-latest.qcow2 controller.raw
openstack image create hotstack-controller \
  --disk-format raw \
  --container-format bare \
  --file controller.raw

Blank Image (Latest)

This is the latest Blank image build. This release is automatically updated.

Latest Build: build-20260401-033026

Download

Use the static URL for the latest build:

curl -L -O https://github.com/openstack-k8s-operators/hotstack/releases/download/latest-blank/blank-image-latest.qcow2

Or download a specific version from the releases page
to pin your setup to a known-good build.

Usage

# Upload to OpenStack Glance (qcow2 works for most deployments)
openstack image create sushy-tools-blank-image \
  --disk-format qcow2 \
  --container-format bare \
  --property hw_firmware_type=uefi \
  --property hw_machine_type=q35 \
  --property os_shutdown_timeout=5 \
  --file blank-image-latest.qcow2

# If you need raw format (required for some Ceph RBD backends):
qemu-img convert -f qcow2 -O raw blank-image-latest.qcow2 blank-image.raw
openstack image create sushy-tools-blank-image \
  --disk-format raw \
  --container-format bare \
  --property hw_firmware_type=uefi \
  --property hw_machine_type=q35 \
  --property os_shutdown_timeout=5 \
  --file blank-image.raw