nuvolaris/route_data.py

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# to you under the Apache License, Version 2.0 (the
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#
#   http://www.apache.org/licenses/LICENSE-2.0
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import json
import logging
import os
import nuvolaris.config as cfg
import nuvolaris.util as util
import nuvolaris.kustomize as kus
import nuvolaris.time_util as tutil
import nuvolaris.template as ntp
import urllib.parse

class RouteData:
    _data = {}

    def __init__(self, apihost):
        runtime = cfg.get('nuvolaris.kube')
        tls = cfg.get('components.tls') and not runtime=='kind'

        url = urllib.parse.urlparse(apihost)
        hostname = url.hostname
        
        self._data = {
            "hostname":hostname,
            "tls":tls,
            "route_timeout_seconds":tutil.duration_in_second(util.get_controller_http_timeout()),
            'namespace':'nuvolaris'
        }

    def dump(self):
        logging.debug(json.dumps(self._data))

    def with_service_name(self,value: str):
        self._data['service_name']=value

    def with_route_name(self,value: str):
        self._data['route_name']=value

    def with_service_kind(self,value: str):
        self._data['service_kind']=value

    def with_service_port(self,value: str):
        self._data['service_port']=value 
    
    def with_context_path(self,value: str):
        self._data['context_path']=value 

    def with_path_type(self,value: str):
        self._data['path_type']=value

    def with_namespace(self,value: str):
        self._data['namespace']=value         

    def with_rewrite_target(self,value: str):
        self._data['rewrite_target']=value
        self._data['needs_rewrite']=True 

    def with_needs_rewrite(self,value: bool):
        self._data['needs_rewrite']=value                                                      

    def build_route_spec(self, where: str, out_template : str, tpl = "generic-openshift-route-tpl.yaml"):        
        logging.info(f"*** Building route template using host {self._data['hostname']} endpoint for {self._data['route_name']} via template {tpl}")
        return kus.processTemplate(where, tpl, self._data, out_template)

    def render_template(self,namespace,tpl= "generic-openshift-route-tpl.yaml"):
        logging.info(f"*** Rendering route template using host {self._data['hostname']} endpoint for {self._data['route_name']} via template {tpl}")
        """
        uses the given template to render a final route template and returns the path to the template
        """  
        out = f"/tmp/__{namespace}_{tpl}"
        file = ntp.spool_template(tpl, out, self._data)
        return os.path.abspath(file)