openserverless/invoker.py

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

def create(owner=None):
    logging.info(f"*** configuring openwhisk invoker")
    data = cfg_util.getEnterpriseInvokerConfigData()
    data["zookeeper_srv"]= cfg_util.extract_host(data["zookeeper_url"])

    whisk_image = data["invoker_image"]
    whisk_tag = data["invoker_tag"]

    logging.info(f"*** configuring whisk invoker {whisk_image}:{whisk_tag}")

    tplp = ["invoker-svc.yaml","invoker-sts.yaml"]
    if(data['affinity'] or data['tolerations']):
       tplp.append("affinity-tolerance-sts-invoker-attach.yaml")
    
    logging.info(f"using invoker image {whisk_image}:{whisk_tag}")
    config = kus.patchTemplates("openwhisk-invoker", tplp, data)
    spec = kus.kustom_list("openwhisk-invoker", config, templates=[], data=data)

    if owner:
        kopf.append_owner_reference(spec['items'], owner)
    else:
        cfg.put("state.invoker.spec", spec)
    
    res = kube.apply(spec)

    # dynamically detect invoker pod and wait for readiness
    util.wait_for_pod_ready("{.items[?(@.metadata.labels.app == 'invoker')].metadata.name}")
    logging.info(f"*** configured openwhisk invoker")
    return res

def delete():
    res = ""
    if cfg.exists("state.invoker.spec"):
        res = kube.delete(cfg.get("state.invoker.spec"))
        cfg.delete("state.invoker.spec")
        return res