OWLS-76347 New sample scripts to manage DB service and RCU Schema

kubernetes/samples/scripts/create-rcu-schema/README.md

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+# Creating Oracle DB service and RCU Schema for a Fusion Middleware domain
+
+This sample demonstrates how to create an Oracle DB service on Kubernetes cluster and create RCU schema on the Oracle DB being used by a Fusion Middleware domain.  
+
+The directory contains the following sample scripts to start an Oracle DB service in default namespace, stop the Oracle DB service, create an RCU schema and drop the RCU schema
+
+```
+$ ./start-db-service.sh   
+Trying to pull repository container-registry.oracle.com/database/enterprise ... 
+12.2.0.1-slim: Pulling from container-registry.oracle.com/database/enterprise
+Digest: sha256:25b0ec7cc3987f86b1e754fc214e7f06761c57bc11910d4be87b0d42ee12d254
+Status: Image is up to date for container-registry.oracle.com/database/enterprise:12.2.0.1-slim
+deployment.extensions/oracle-db created
+service/oracle-db created
+[oracle-db-756f9b99fd-r6ghb] already initialized .. 
+Checking Pod READY column for State [1/1]
+NAME                         READY   STATUS    RESTARTS   AGE
+oracle-db-756f9b99fd-r6ghb   1/1     Running   0          3s
+NAME                         READY   STATUS    RESTARTS   AGE
+oracle-db-756f9b99fd-r6ghb   1/1     Running   0          4s
+NAME         TYPE        CLUSTER-IP      EXTERNAL-IP   PORT(S)          AGE
+kubernetes   ClusterIP   10.96.0.1       <none>        443/TCP          16d
+oracle-db    NodePort    10.100.148.17   <none>        1521:30011/TCP   3s
+Oracle DB service is RUNNING with external NodePort [30011]
+
+```
+The parameters are as follows:
+
+```  
+  -p external NodePort for the Service (default is 30011) 
+```
+```
+The script create a Oracle DB Service in default Namesapce with default Credential that comes with the Oracle Database Slim image.
+$ kubectl get po
+NAME                         READY   STATUS    RESTARTS   AGE
+oracle-db-756f9b99fd-ch7xt   1/1     Running   0          33m
+$ kubectl get svc
+NAME         TYPE        CLUSTER-IP     EXTERNAL-IP   PORT(S)          AGE
+oracle-db    NodePort    10.99.94.157   <none>        1521:30011/TCP   32m
+
+The DB Connection String is oracle-db.default.svc.cluster.local:1521/devpdb.k8s which can be used as  rcuDatabaseURL parameter to domain.input.yaml file while creating a Fusion Middleware domain in Operator Environment 
+
+The Database can be accessed thru external NodePort outside of Kubernates cluster using the URL String <hostmachine>:30011/devpdb.k8s
+
+Note : Domain-in-Image model need public DB url as rcuDatabaseURL parameter to configure Fusion Middleware domain in Operator Environment
+
+```
+
+```
+$ ./create-rcu-schema.sh -s <schemaPrefix> -d <dburl> 
+
+
+```
+The parameters are as follows:
+
+```  
+  -s  RCU Schema Prefix, Must be specified
+  -d  RCU Oracle Database URL (default oracle-db.default.svc.cluster.local:1521/devpdb.k8s) 
+```
+```
+The script Generates the RCU schema based Schema Prefix and RCU DB URL
+$ ./create-rcu-schema.sh -s domain1
+[oracle-db-756f9b99fd-r6ghb] already initialized .. 
+Checking Pod READY column for State [1/1]
+NAME                         READY   STATUS    RESTARTS   AGE
+oracle-db-756f9b99fd-r6ghb   1/1     Running   0          109s
+Trying to pull repository container-registry.oracle.com/middleware/fmw-infrastructure ... 
+12.2.1.3: Pulling from container-registry.oracle.com/middleware/fmw-infrastructure
+Digest: sha256:215d05d7543cc5d500eb213fa661753ae420d53e704baabeab89600827a61131
+Status: Image is up to date for container-registry.oracle.com/middleware/fmw-infrastructure:12.2.1.3
+pod/rcu created
+[rcu] already initialized .. 
+Checking Pod READY column for State [1/1]
+Pod [rcu] Status is Ready Iter [1/60]
+NAME   READY   STATUS    RESTARTS   AGE
+rcu    1/1     Running   0          7s
+NAME                         READY   STATUS    RESTARTS   AGE
+oracle-db-756f9b99fd-r6ghb   1/1     Running   0          2m2s
+rcu                          1/1     Running   0          12s
+CLASSPATH=/usr/java/jdk1.8.0_211/lib/tools.jar:/u01/oracle/wlserver/modules/features/wlst.wls.classpath.jar:
+
+PATH=/u01/oracle/wlserver/server/bin:/u01/oracle/wlserver/../oracle_common/modules/thirdparty/org.apache.ant/1.9.8.0.0/apache-ant-1.9.8/bin:/usr/java/jdk1.8.0_211/jre/bin:/usr/java/jdk1.8.0_211/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/java/default/bin:/u01/oracle/oracle_common/common/bin:/u01/oracle/wlserver/common/bin:/u01/oracle/container-scripts:/u01/oracle/wlserver/../oracle_common/modules/org.apache.maven_3.2.5/bin
+
+Your environment has been set.
+Check if the DB Service is Ready to accept Connection ?
+DB Connection URL [oracle-db.default.svc.cluster.local:1521/devpdb.k8s] and schemaPrefix is [domain1]
+[1/20] Retrying the DB Connection ...
+[2/20] Retrying the DB Connection ...
+[3/20] Retrying the DB Connection ...
+
+**** Success!!! ****
+
+You can connect to the database in your app using:
+
+  java.util.Properties props = new java.util.Properties();
+  props.put("user", "scott");
+  props.put("password", "tiger");
+  java.sql.Driver d =
+    Class.forName("oracle.jdbc.OracleDriver").newInstance();
+  java.sql.Connection conn =
+    Driver.connect("scott", props);
+
+	RCU Logfile: /tmp/RCU2019-08-23_21-13_1202784079/logs/rcu.log
+
+Enter the database password(User:sys):
+
+
+Processing command line ....
+Repository Creation Utility - Checking Prerequisites
+Checking Global Prerequisites
+The selected Oracle database is not configured to use the AL32UTF8 character set. Oracle strongly recommends using the AL32UTF8 character set for databases that support Oracle Fusion Middleware.
+Enter the schema password. This password will be used for all schema users of following components:MDS,IAU,IAU_APPEND,IAU_VIEWER,OPSS,WLS,STB.
+
+
+Repository Creation Utility - Checking Prerequisites
+Checking Component Prerequisites
+Repository Creation Utility - Creating Tablespaces
+Validating and Creating Tablespaces
+Repository Creation Utility - Create
+Repository Create in progress.
+Percent Complete: 12
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+Percent Complete: 100
+
+Repository Creation Utility: Create - Completion Summary
+
+Database details:
+-----------------------------
+Host Name                                    : oracle-db.default.svc.cluster.local
+Port                                         : 1521
+Service Name                                 : DEVPDB.K8S
+Connected As                                 : sys
+Prefix for (prefixable) Schema Owners        : DOMAIN1
+RCU Logfile                                  : /tmp/RCU2019-08-23_21-13_1202784079/logs/rcu.log
+
+Component schemas created:
+-----------------------------
+Component                                    Status         Logfile		
+
+Common Infrastructure Services               Success        /tmp/RCU2019-08-23_21-13_1202784079/logs/stb.log 
+Oracle Platform Security Services            Success        /tmp/RCU2019-08-23_21-13_1202784079/logs/opss.log 
+Audit Services                               Success        /tmp/RCU2019-08-23_21-13_1202784079/logs/iau.log 
+Audit Services Append                        Success        /tmp/RCU2019-08-23_21-13_1202784079/logs/iau_append.log 
+Audit Services Viewer                        Success        /tmp/RCU2019-08-23_21-13_1202784079/logs/iau_viewer.log 
+Metadata Services                            Success        /tmp/RCU2019-08-23_21-13_1202784079/logs/mds.log 
+WebLogic Services                            Success        /tmp/RCU2019-08-23_21-13_1202784079/logs/wls.log 
+
+Repository Creation Utility - Create : Operation Completed
+[INFO] Modify the domain.input.yaml to use [oracle-db.default.svc.cluster.local:1521/devpdb.k8s] as rcuDatabaseURL and [domain1] as rcuSchemaPrefix
+
+```
+
+```
+$ ./drop-rcu-schema.sh -s <schemaPrefix> -d <dburl> 
+```
+The parameters are as follows:
+
+```  
+  -s  RCU Schema Prefix, Must be specified
+  -d  RCU Oracle Database URL (default oracle-db.default.svc.cluster.local:1521/devpdb.k8s) 
+```
+```
+The script drop RCU schema based Schema Prefix and RCU DB URL
+```
+
+```
+$ ./stop-db-service.sh  
+```
+```
+The script stop the DB service created thru start-db-service.sh
+```

kubernetes/samples/scripts/create-rcu-schema/common/checkPodDelete.sh

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+# Copyright 2018, 2019, Oracle Corporation and/or its affiliates. All rights reserved.
+# Licensed under the Universal Permissive License v 1.0 as shown at
+# http://oss.oracle.com/licenses/upl.
+#
+# Description
+# This sample script check if a given pod in a namespace is deleted 
+
+#!/bin/bash
+
+function checkPodDelete(){
+
+pod=$1
+ns=$2
+
+status="Terminating"
+
+if [ -z ${1} ]; then 
+ echo "Either No Pod Name is provided or Pod has been Terminated ..."
+ exit -1 
+fi
+
+echo "Checking Status for Pod [$pod] in namesapce [${ns}]"
+
+max=10
+count=1
+while [ $count -le $max ] ; do
+  sleep 5 
+  pod=`kubectl get po/$1 -n ${ns} | grep -v NAME | awk '{print $1}'`
+  if [ -z ${pod} ]; then 
+    status="Terminated"
+    echo "Pod [$1] removed from nameSpace [${ns}]"
+    break;
+  fi
+  count=`expr $count + 1`
+  echo "Pod [$pod] Status [${status}]"
+done
+
+if [ $count -gt $max ] ; then
+   echo "[ERROR] The Pod[$1] in namespace [$ns] could not be deleted in 50s"; 
+   exit 1
+ fi 
+}
+
+pod=${1:-rcu}
+ns=${2:-default}
+
+checkPodDelete ${pod} ${ns}

kubernetes/samples/scripts/create-rcu-schema/common/checkPodReady.sh

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+# Copyright 2018, 2019, Oracle Corporation and/or its affiliates. All rights reserved.
+# Licensed under the Universal Permissive License v 1.0 as shown at
+# http://oss.oracle.com/licenses/upl.
+#
+# Description
+# This sample script check the state of a given pod in a namespace 
+# based on READY column String
+#NAME                READY     STATUS    RESTARTS   AGE
+#domain1-adminserver 1/1       Running   0          4m
+
+function checkPodState(){
+
+status="NotReady"
+max=60
+count=1
+
+pod=$1
+ns=$2
+state=${3:-1/1}
+
+echo "Checking Pod READY column for State [$state]"
+
+pname=`kubectl get po -n ${ns} | grep -w ${pod} | awk '{print $1}'`
+if [ -z ${pname} ]; then 
+ echo "No such pod [$pod] exists in NameSpace [$ns] "
+ exit -1
+fi 
+
+rcode=`kubectl get po ${pname} -n ${ns} | grep -w ${pod} | awk '{print $2}'`
+[[ ${rcode} -eq "${state}"  ]] && status="Ready"
+
+while [ ${status} != "Ready" -a $count -le $max ] ; do
+  sleep 5 
+  rcode=`kubectl get po/$pod -n ${ns} | grep -v NAME | awk '{print $2}'`
+  [[ ${rcode} -eq "1/1"  ]] && status="Ready"
+  echo "Pod [$1] Status is ${status} Iter [$count/$max]"
+  count=`expr $count + 1`
+done
+if [ $count -gt $max ] ; then
+   echo "[ERROR] Unable to start the Pod [$pod] after 300s "; 
+   exit 1
+ fi 
+
+pname=`kubectl get po -n ${ns} | grep -w ${pod} | awk '{print $1}'`
+kubectl -n ${ns} get po ${pname}
+}
+
+function checkPod(){
+
+max=20
+count=1
+
+pod=$1
+ns=$2
+
+pname=`kubectl get po -n ${ns} | grep -w ${pod} | awk '{print $1}'`
+if [ -z ${pname} ]; then 
+ echo "No such pod [$pod] exists in NameSpace [$ns]"
+ sleep 10
+ #exit -1
+fi 
+
+rcode=`kubectl get po -n ${ns} | grep -w ${pod} | awk '{print $1}'`
+if [ ! -z ${rcode} ]; then 
+  echo "[$pod] already initialized .. "
+  return 0
+fi
+
+echo "The POD [${pod}] has not been initialized ..."
+while [ -z ${rcode} ]; do
+ [[ $count -gt $max ]] && break
+ echo "Pod[$pod] is being initialized ..."
+ sleep 5
+ rcode=`kubectl get po -n ${ns} | grep $pod | awk '{print $1}'`
+ count=`expr $count + 1`
+done
+
+if [ $count -gt $max ] ; then
+ echo "[ERROR] Could not find Pod [$pod] after 120s";
+ exit 1
+fi
+}
+
+pod=${1:-domain1-adminserver}
+ns=${2:-weblogic-domain}
+state=${3:-1/1}
+
+checkPod ${pod} ${ns}
+checkPodState ${pod} ${ns} ${state}

kubernetes/samples/scripts/create-rcu-schema/common/createRepository.sh

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+# Copyright 2018, 2019, Oracle Corporation and/or its affiliates. All rights reserved.
+# Licensed under the Universal Permissive License v 1.0 as shown at
+# http://oss.oracle.com/licenses/upl.
+#
+
+. /u01/oracle/wlserver/server/bin/setWLSEnv.sh
+
+echo "Check if the DB Service is Ready to accept Connection ?"
+connectString=${1:-oracle-db.default.svc.cluster.local:1521/devpdb.k8s}
+schemaPrefix=${2:-domain1}
+echo "DB Connection URL [$connectString] and schemaPrefix is [${schemaPrefix}]"
+
+max=20
+counter=0
+while [ $counter -le ${max} ]
+do
+ #java utils.dbping ORACLE_THIN "sys as sysdba" Oradoc_db1 ${connectString}
+ java utils.dbping ORACLE_THIN scott tiger ${connectString} > dbping.err 2>&1
+ [[ $? == 0 ]] && break;
+ ((counter++))
+ echo "[$counter/${max}] Retrying the DB Connection ..."
+ sleep 10
+done
+
+if [ $counter -gt ${max} ]; then
+ echo "[ERRORR] Oracle DB Service is not ready after [${max}] iterations ..."
+ exit -1
+else
+ java utils.dbping ORACLE_THIN scott tiger ${connectString}
+fi
+
+/u01/oracle/oracle_common/bin/rcu -silent -createRepository \
+ -databaseType ORACLE -connectString ${connectString} \
+ -dbUser sys  -dbRole sysdba -useSamePasswordForAllSchemaUsers true \
+ -selectDependentsForComponents true \
+ -schemaPrefix ${schemaPrefix} \
+ -component MDS -component IAU -component IAU_APPEND -component IAU_VIEWER \
+ -component OPSS  -component WLS -component STB < /u01/oracle/pwd.txt