openserverless/openwhisk_standalone.py

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import openserverless.kustomize as kus
import openserverless.kube as kube
import openserverless.config as cfg
import openserverless.util as util
import os, os.path
import logging
import kopf

CONTROLLER_SPEC = "state.controller.spec"

def create(owner=None):
    logging.info("*** setup openwhisk in standalone mode activated")
    data = util.get_standalone_config_data()

    whisk_image = data["controller_image"]
    whisk_tag = data["controller_tag"]

    logging.info(f"using controller image {whisk_image}:{whisk_tag}")

    tplp = ["standalone-sts.yaml"]
    if(data['affinity'] or data['tolerations']):
       tplp.append("affinity-tolerance-sts-core-attach.yaml")

    config = kus.patchTemplates("openwhisk-standalone", tplp, data)
    spec = kus.kustom_list("openwhisk-standalone", config, templates=[], data=data)

    if owner:
        kopf.append_owner_reference(spec['items'], owner)
    else:
        cfg.put(CONTROLLER_SPEC, spec)

    res = kube.apply(spec)

    # dynamically detect controller pod and wait for readiness
    util.wait_for_pod_ready("{.items[?(@.metadata.labels.app == 'controller')].metadata.name}")

    logging.info("*** setup openwhisk in standalone mode completed")
    return res

def delete():
    res = ""
    if cfg.exists(CONTROLLER_SPEC):
        res = kube.delete(cfg.get(CONTROLLER_SPEC))
        cfg.delete(CONTROLLER_SPEC)
    res += kube.kubectl("delete", "pod", "-l", "user-action-pod=true")