From d2d52f7193f400dfcf22d1d90ecb82f7921ff871 Mon Sep 17 00:00:00 2001
From: David Garcia <david.garcia@canonical.com>
Date: Sat, 28 Nov 2020 14:38:35 +0100
Subject: [PATCH] Revert "change charm installation for the New generation RO"

This reverts commit a578d7154146a7b80c4e07fc9c07d107c89cbadb.

Change-Id: I84e3765b8b05942a8aec6f3b752555a61ee73e77
Signed-off-by: David Garcia <david.garcia@canonical.com>
---
 installers/charm/ro-k8s/reactive/ro.py        | 80 ++++++++-----------
 .../charm/ro-k8s/reactive/spec_template.yaml  | 22 ++---
 2 files changed, 47 insertions(+), 55 deletions(-)

diff --git a/installers/charm/ro-k8s/reactive/ro.py b/installers/charm/ro-k8s/reactive/ro.py
index 8ea80705..8f91b4bd 100644
--- a/installers/charm/ro-k8s/reactive/ro.py
+++ b/installers/charm/ro-k8s/reactive/ro.py
@@ -31,58 +31,40 @@ def upgrade():
 def restart():
     clear_flag("ro-k8s.configured")
 
-@when_not("kafka.ready")
-@when_not("ro-k8s.configured")
-@when("leadership.is_leader")
-def waiting_for_kafka():
-    layer.status.waiting("Waiting for kafka to be ready")
 
-
-@when_not("mongo.ready")
+@when_not("mysql.available")
 @when_not("ro-k8s.configured")
 @when("leadership.is_leader")
-def waiting_for_mongo():
-    layer.status.waiting("Waiting for mongo to be ready")
+def waiting_for_mysql():
+    layer.status.waiting("Waiting for mysql to be ready")
 
 
-@when("kafka.ready", "mongo.ready")
+@when("mysql.available")
 @when_not("ro-k8s.configured")
 @when("leadership.is_leader")
 def configure():
     layer.status.maintenance("Configuring ro container")
     try:
-        kafka = endpoint_from_flag("kafka.ready")
-        mongo = endpoint_from_flag("mongo.ready")
-
-        if kafka and mongo:
-            kafka_units = kafka.kafkas()
-            kafka_unit = kafka_units[0]
-
-            mongo_uri = mongo.connection_string()
-            log("Mongo URI: {}".format(mongo_uri))
-
-            if (
-                mongo_uri
-                and kafka_unit["host"]
-                and kafka_unit["port"]
-                and ro_unit["host"]
-                and ro_unit["port"]
-            ):
-                spec = make_pod_spec(
-                    kafka_unit["host"],
-                    kafka_unit["port"],
-                    mongo_uri,
-                )
-
-                log("set pod spec:\n{}".format(spec))
-                pod_spec_set(spec)
-                layer.status.active("creating container")
-                set_flag("ro-k8s.configured")
+        mysql = endpoint_from_flag("mysql.available")
+
+        if mysql.host() is not None:
+            spec = make_pod_spec(
+                mysql.host(),
+                mysql.port(),
+                mysql.user(),
+                mysql.password(),
+                mysql.root_password(),
+            )
+
+            log("set pod spec:\n{}".format(spec))
+            pod_spec_set(spec)
+            layer.status.active("creating container")
+            set_flag("ro-k8s.configured")
     except Exception as e:
         layer.status.blocked("k8s spec failed to deploy: {}".format(e))
 
 
-@when("kafka.ready", "mongo.ready")
+@when("mysql.available")
 @when_not("leadership.is_leader")
 def non_leaders_active():
     layer.status.active("ready")
@@ -109,13 +91,17 @@ def send_config():
         log("Fail sending RO configuration: {}".format(e))
 
 
-def make_pod_spec(kafka_host, kafka_port, mongo_uri):
+def make_pod_spec(
+    mysql_host, mysql_port, mysql_user, mysql_password, mysql_root_password
+):
     """Make pod specification for Kubernetes
 
     Args:
-        kafka_host (str): Kafka hostname or IP
-        kafka_port (int): Kafka port
-        mongo_uri (str): Mongo URI
+        mysql_name (str): RO DB name
+        mysql_host (str): RO DB host
+        mysql_port (int): RO DB port
+        mysql_user (str): RO DB user
+        mysql_password (str): RO DB password
     Returns:
         pod_spec: Pod specification for Kubernetes
     """
@@ -123,14 +109,16 @@ def make_pod_spec(kafka_host, kafka_port, mongo_uri):
     with open("reactive/spec_template.yaml") as spec_file:
         pod_spec_template = spec_file.read()
 
-    cfg = config()
     md = metadata()
+    cfg = config()
 
     data = {
         "name": md.get("name"),
-        "kafka_host": kafka_host,
-        "kafka_port": kafka_port,
-        "mongo_uri": mongo_uri,
+        "mysql_host": mysql_host,
+        "mysql_port": mysql_port,
+        "mysql_user": mysql_user,
+        "mysql_password": mysql_password,
+        "mysql_root_password": mysql_root_password,
     }
     data.update(cfg)
 
diff --git a/installers/charm/ro-k8s/reactive/spec_template.yaml b/installers/charm/ro-k8s/reactive/spec_template.yaml
index 3663a725..f2b35350 100644
--- a/installers/charm/ro-k8s/reactive/spec_template.yaml
+++ b/installers/charm/ro-k8s/reactive/spec_template.yaml
@@ -42,13 +42,17 @@ containers:
       protocol: TCP
     config:
         ALLOW_ANONYMOUS_LOGIN: 'yes'
-        
-        OSMRO_MESSAGE_DRIVER: kafka
-        OSMRO_MESSAGE_HOST: %(kafka_host)s
-        OSMRO_MESSAGE_PORT: %(kafka_port)s
-
-        OSMRO_DATABASE_DRIVER: mongo
-        OSMRO_DATABASE_URI: %(mongo_uri)s
-        OSMRO_DATABASE_COMMONKEY: %(DATABASE_COMMONKEY)s
-
+        RO_DB_HOST: %(mysql_host)s
+        RO_DB_PORT: %(mysql_port)s
+        RO_DB_NAME: %(ro_database)s
+        RO_DB_USER: %(mysql_user)s
+        RO_DB_ROOT_PASSWORD: %(mysql_root_password)s
+        RO_DB_PASSWORD: %(mysql_password)s
 
+        RO_DB_OVIM_PASSWORD: %(mysql_password)s
+        RO_DB_OVIM_HOST: %(mysql_host)s
+        RO_DB_OVIM_PORT: %(mysql_port)s
+        RO_DB_OVIM_USER: %(mysql_user)s
+        RO_DB_OVIM_ROOT_PASSWORD: %(mysql_root_password)s
+        RO_DB_OVIM_NAME: %(vim_database)s
+        OPENMANO_TENANT: %(OPENMANO_TENANT)s
-- 
2.25.1