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forklift-controller

Konveyor Forklift controller.


Build

For the build, the forklift uses Bazel.

Install the following system components:

  • bazel >= 5
  • gcc
  • glibc-static
  • podman (or docker)

Configuration

The environment which you can set across all projects.

Name Default value Description
REGISTRY_TAG devel The tag with which the image will be built and pushed to the registry.
REGISTRY_ORG kubev2v The registry organization to which the built image should be pushed.
REGISTRY quay.io The registry address to which the images should be pushed.

Operator

Variables

The environment variables that you can set in .bazelrc, these variables are used during Bazel build process and used inside the bazel sandbox. Another option to override the default values can use --action_env as in the example.

Name Default value Description
CONTAINER_CMD autodetected The container runtime command (e.g.: /usr/bin/podman)
VERSION 2.6.0 The version with which the forklift should be built.
NAMESPACE konveyor-forklift The namespace in which the operator should be installed.
CHANNELS development The olm channels.
DEFAULT_CHANNEL development The default olm channel.
OPERATOR_IMAGE quay.io/kubev2v/forklift-operator:latest The forklift operator image with the ansible-operator role.
CONTROLLER_IMAGE quay.io/kubev2v/forklift-controller:latest The forklift controller image.
MUST_GATHER_IMAGE quay.io/kubev2v/forklift-must-gather:latest The forklift must gather an image.
MUST_GATHER_API_IMAGE quay.io/kubev2v/forklift-must-gather-api:latest The forklift must gather image api.
UI_IMAGE quay.io/kubev2v/forklift-ui:latest The forklift UI image.
UI_PLUGIN_IMAGE quay.io/kubev2v/forklift-console-plugin:latest The forklift OKD/OpenShift UI plugin image.
VALIDATION_IMAGE quay.io/kubev2v/forklift-validation:latest The forklift validation image.
VIRT_V2V_IMAGE quay.io/kubev2v/forklift-virt-v2v:latest The forklift virt v2v image for cold migration.
VIRT_V2V_WARM_IMAGE quay.io/kubev2v/forklift-virt-v2v-warm:latest The forklift virt v2v image for warm migration.
POPULATOR_CONTROLLER_IMAGE quay.io/kubev2v/populator-controller:latest The forklift volume-populator controller image.
OVIRT_POPULATOR_IMAGE quay.io/kubev2v/ovirt-populator:latest The oVirt populator image.

Runing operator build

export REGISTRY_ORG=organization
export REGISTRY=quay.io
export REGISTRY_TAG=latest

CONTROLLER_IMAGE=${REGISTRY}/${REGISTRY_ORG}/forklift-controller:${REGISTRY_TAG}
OPERATOR_IMAGE=${REGISTRY}/${REGISTRY_ORG}/forklift-operator:${REGISTRY_TAG}
# If YAML files are added/modified `bazel clean` needs to be performed before building the image for the change to take effect
bazel run push-forklift-operator
bazel run push-forklift-operator-bundle --action_env OPERATOR_IMAGE=${OPERATOR_IMAGE} --action_env CONTROLLER_IMAGE=${CONTROLLER_IMAGE}
# The build of the catalog requires already pushed bundle
# For http registry add --action_env OPM_OPTS="--use-http"
bazel run push-forklift-operator-index --action_env REGISTRY=${REGISTRY} --action_env REGISTRY_ORG=${REGISTRY_ORG} --action_env REGISTRY_TAG=${REGISTRY_TAG}

Installing custom operator

  1. Modify the image value under operator/forklift-operator-catalog.yaml to point to the desired forklift-operator-index image.
  2. Run oc create -f operator/forklift-operator-catalog.yaml
  3. A new Forklift operator should be available now in the OperatorHub (without community tag).

Logging

Logging can be configured using environment variables:

  • LOG_DEVELOPMENT: Development mode with human readable logs and (default) verbosity=4.
  • LOG_LEVEL: Set the verbosity.

Verbosity:

  • Info(0) used for Info logging.
    • Reconcile begin, end, error.
    • Condition added, update, deleted.
    • Plan postponed.
    • Migration (k8s) resources created, deleted.
    • Migration started, stopped, run (with phase), canceled, succeeded, failed.
    • Snapshot created , updated, deleted, changed.
    • Inventory watch ensured.
    • Policy agent disabled.
  • Info(1) used for Info+ logging.
    • Connection testing.
    • Plan postpone details.
    • Pending migration details.
    • Migration (k8s) resources found, updated.
    • Scheduler details.
  • Info(2) used for Info++ logging.
    • Full conditions list.
    • Migrating VM status (full definition).
    • Provider inventory data reconciler started, stopped.
  • Info(3) used for Info+++ logging.
    • Inventory watch: resources changed; queued reconcile events.
    • Data reconciler: models created, updated, deleted.
    • VM validation succeeded.
  • Info(4) used for Debug logging.
    • Policy agent HTTP request.

Profiler

The profiler can be enabled using the following environment variables:

  • PROFILE_KIND: Kind of profile (memory|cpu|mutex).
  • PROFILE_PATH: Profiler output directory.
  • PROFILE_DURATION: The duration (minutes) the profiler will collect data. (0=indefinately)

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