seldonio / ansible-k8s-collection

Collection of Ansible roles and playbooks crafted for Seldon ecosystem

⏳ ansible-tools

Collection of Ansible roles and playbooks crafted for Seldon ecosystem

⚠️ NOTE: This is work in progress

⚠️ To configure ecosystem for Seldon Core follow instructions for Core v1 or Core v2 directly.

Requirements

To install Ansible and its requirements:

pip install ansible openshift docker passlib
ansible-galaxy collection install git+https://github.com/SeldonIO/ansible-k8s-collection.git

Playbooks

/playbooks/kind.yaml

Creates Kind cluster and sets up MetalLB

Components:

• Create a kind cluster
• Install metallb

ansible-playbook playbooks/kind.yaml

/playbooks/seldon_core.yaml

Installs Istio, MinIO and Seldon Core

Components:

• Install Istio
• Install Minio
• Install Seldon Core

ansible-playbook playbooks/seldon_core.yaml

ansible-k8s-collection's Issues

argocd: add credentials for private gitea repo

implement proper wait for statefulsets once known how

https://stackoverflow.com/questions/67991082/how-to-wait-for-statefulset-using-ansibles-community-kubernetes-k8s-info-module

make seldon-core-analytics role be able to use local helm charts

This should be done in similar fashion as it is done for seldon-core role for parity.
This will be useful to use the role for seldon-core dev setups.

Add role for Jaeger

Provide https configuration options for Istio

Right now we only configure http gateway. We should also include option to configure https gateway.

Templating fails for ansible

with

ansible==4.2.0
ansible-core==2.11.2

Running the kind playbook fails with:

TASK [metallb : Create MetalLB Config] ***************************************************************************
fatal: [localhost]: FAILED! => {"changed": false, "error": "", "msg": "Failed to retrieve requested object: You must provide a body when calling methods on a ResourceList", "reason": "", "status": ""}

kind playbook broken with community.kubernetes 2.0.0

Error:

TASK [metallb : Create MetalLB Config] ******************************************************************************************************
fatal: [localhost]: FAILED! => {"changed": false, "msg": "'template' is only supported parameter for 'k8s' module."}

Temporary fix:

ansible-galaxy collection install git+https://github.com/ansible-collections/community.kubernetes,1.2.1

provide default versions for all applications

Some roles, Argo Workflows and ArgoCD for example if I remember right, by default install latest helm charts.
For reproducibility we should explore providing default versions and keep bumping them up on every release.

Keeping a list of tested versions may be useful as well in case that installation procedure of an application will change.

Add role for KEDA

Use global cache location

We should use ~/.cache/seldon/ directory for cached resources.
This is to:

• possibility to execute playbook without the need to be in directory with inventry.ini file
• reuse resources from different "working" directories - for example playbooks in core and tempo could reuse same cache

use argo-workflows chart instead of just argo

https://github.com/argoproj/argo-helm/tree/master/charts/argo-workflows

seldon_core: make installation from git / local helm charts more explicit

Add another variable to switch between installation from git or local helm charts as desired.
Installation from git should still be possible if seldon_core_source_dir is defined.

Adjust to change: community.kubernetes -> kubernetes.core

As per note on https://github.com/ansible-collections/community.kubernetes

IMPORTANT The community.kubernetes collection is being renamed to kubernetes.core. As of version 2.0.0, the collection has been replaced by deprecated redirects for all content to kubernetes.core. If you are using FQCNs starting with community.kubernetes, please update them to kubernetes.core.