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Add support for generating Helm charts when creating a deployment (#974)

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Part of https://plan.wireit.in/deepstack/browse/VUL-265/

- Added a flag `--helm-chart` to `deploy create` command
- Uses Kompose CLI wrapper to generate a helm chart from compose files in a stack
- To be handled in a follow on PR(s):
  - Templatize generated charts and generate a `values.yml` file with defaults

Reviewed-on: cerc-io/stack-orchestrator#974
Co-authored-by: Prathamesh Musale <prathamesh.musale0@gmail.com>
Co-committed-by: Prathamesh Musale <prathamesh.musale0@gmail.com>
This commit is contained in:
prathamesh
2025-11-27 06:43:07 +00:00
committed by ashwin
parent 34f3b719e4
commit 7acabb0743
6 changed files with 515 additions and 3 deletions
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stack_orchestrator/deploy/deployment_create.py
+12 -3
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@@ -443,22 +443,31 @@ def _check_volume_definitions(spec):
@click.command()
@click.option("--spec-file", required=True, help="Spec file to use to create this deployment")
@click.option("--deployment-dir", help="Create deployment files in this directory")
@click.option("--helm-chart", is_flag=True, default=False, help="Generate Helm chart instead of deploying (k8s only)")
# TODO: Hack
@click.option("--network-dir", help="Network configuration supplied in this directory")
@click.option("--initial-peers", help="Initial set of persistent peers")
@click.pass_context
def create(ctx, spec_file, deployment_dir, network_dir, initial_peers):
def create(ctx, spec_file, deployment_dir, helm_chart, network_dir, initial_peers):
deployment_command_context = ctx.obj
return create_operation(deployment_command_context, spec_file, deployment_dir, network_dir, initial_peers)
return create_operation(deployment_command_context, spec_file, deployment_dir, helm_chart, network_dir, initial_peers)
# The init command's implementation is in a separate function so that we can
# call it from other commands, bypassing the click decoration stuff
def create_operation(deployment_command_context, spec_file, deployment_dir, network_dir, initial_peers):
def create_operation(deployment_command_context, spec_file, deployment_dir, helm_chart, network_dir, initial_peers):
parsed_spec = Spec(os.path.abspath(spec_file), get_parsed_deployment_spec(spec_file))
_check_volume_definitions(parsed_spec)
stack_name = parsed_spec["stack"]
deployment_type = parsed_spec[constants.deploy_to_key]
# Branch to Helm chart generation flow early if --helm-chart flag is set
if deployment_type == "k8s" and helm_chart:
from stack_orchestrator.deploy.k8s.helm.chart_generator import generate_helm_chart
generate_helm_chart(stack_name, spec_file, deployment_dir)
return # Exit early, completely separate from existing k8s deployment flow
# Existing deployment flow continues unchanged
stack_file = get_stack_path(stack_name).joinpath(constants.stack_file_name)
parsed_stack = get_parsed_stack_config(stack_name)
if opts.o.debug: