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simon-meng-cnrjeberhard
simon-meng-cn
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rjeberhard
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simplify operator script maintenance
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10 files changed

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-356
lines changed

10 files changed

+365
-356
lines changed

‎operator/src/main/java/oracle/kubernetes/operator/helpers/ConfigMapHelper.java

Lines changed: 51 additions & 356 deletions
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‎operator/src/main/java/oracle/kubernetes/operator/logging/MessageKeys.java

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@@ -141,4 +141,5 @@ private MessageKeys() {}
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public static final String WLS_UPDATE_CLUSTER_SIZE_INVALID_CLUSTER = "WLSKO-0131";
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public static final String WLS_CLUSTER_SIZE_UPDATED = "WLSKO-0132";
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public static final String WLS_SERVER_TEMPLATE_NOT_FOUND = "WLSKO-0133";
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public static final String SCRIPT_LOADED = "WLSKO-0134";
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}

‎operator/src/main/resources/Operator.properties

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@@ -132,3 +132,4 @@ WLSKO-0130=Failed to update WebLogic dynamic cluster size for cluster {0} within
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WLSKO-0131=Failed to update WebLogic dynamic cluster size for cluster {0}. Cluster is not a dynamic cluster
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WLSKO-0132=Updated cluster size for WebLogic dynamic cluster {0} to {1}. Time taken {2} ms
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WLSKO-0133=Cannot find WebLogic server template with name {0} which is referenced by WebLogic cluster {1}
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WLSKO-0134=Loading scripts into domain control config map for namespace: {0}

‎operator/src/main/resources/scripts/livenessProbe.sh

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#!/bin/bash
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# Kubernetes periodically calls this liveness probe script to determine whether
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# the pod should be restarted. The script checks a WebLogic Server state file which
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# is updated by the node manager.
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DN=${DOMAIN_NAME:-$1}
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SN=${SERVER_NAME:-$2}
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STATEFILE=/shared/domain/${DN}/servers/${SN}/data/nodemanager/${SN}.state
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if [ `jps -l | grep -c " weblogic.NodeManager"` -eq 0 ]; then
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echo "Error: WebLogic NodeManager process not found."
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exit 1
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fi
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if [ -f ${STATEFILE} ] && [ `grep -c "FAILED_NOT_RESTARTABLE" ${STATEFILE}` -eq 1 ]; then
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echo "Error: WebLogic Server state is FAILED_NOT_RESTARTABLE."
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exit 1
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fi
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exit 0

‎operator/src/main/resources/scripts/readState.sh

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#!/bin/bash
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# Reads the current state of a server. The script checks a WebLogic Server state
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# file which is updated by the node manager.
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DN=${DOMAIN_NAME:-$1}
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SN=${SERVER_NAME:-$2}
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STATEFILE=/shared/domain/${DN}/servers/${SN}/data/nodemanager/${SN}.state
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if [ `jps -l | grep -c " weblogic.NodeManager"` -eq 0 ]; then
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echo "Error: WebLogic NodeManager process not found."
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exit 1
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fi
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if [ ! -f ${STATEFILE} ]; then
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echo "Error: WebLogic Server state file not found."
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exit 2
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fi
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cat ${STATEFILE} | cut -f 1 -d ':'
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exit 0

‎operator/src/main/resources/scripts/readinessProbe.sh

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#!/bin/bash
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# Kubernetes periodically calls this readiness probe script to determine whether
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# the pod should be included in load balancing. The script checks a WebLogic Server state
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# file which is updated by the node manager.
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DN=${DOMAIN_NAME:-$1}
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SN=${SERVER_NAME:-$2}
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STATEFILE=/shared/domain/${DN}/servers/${SN}/data/nodemanager/${SN}.state
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if [ `jps -l | grep -c " weblogic.NodeManager"` -eq 0 ]; then
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echo "Error: WebLogic NodeManager process not found."
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exit 1
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fi
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if [ ! -f ${STATEFILE} ]; then
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echo "Error: WebLogic Server state file not found."
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exit 2
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fi
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state=$(cat ${STATEFILE} | cut -f 1 -d ':')
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if [ "$state" != "RUNNING" ]; then
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echo "Not ready: WebLogic Server state: ${state}"
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exit 3
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fi
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exit 0

‎operator/src/main/resources/scripts/start-server.py

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import sys;
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#
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# +++ Start of common code for reading domain secrets
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# Read username secret
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file = open('/weblogic-operator/secrets/username', 'r')
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admin_username = file.read()
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file.close()
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# Read password secret
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file = open('/weblogic-operator/secrets/password', 'r')
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admin_password = file.read()
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file.close()
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# +++ End of common code for reading domain secrets
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#
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domain_uid = sys.argv[1]
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server_name = sys.argv[2]
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domain_name = sys.argv[3]
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if (len(sys.argv) == 5):
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admin_server_url = sys.argv[4]
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else:
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admin_server_url = None
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domain_path='/shared/domain/%s' % domain_name
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print 'admin username is %s' % admin_username
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print 'domain path is %s' % domain_path
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print 'server name is %s' % server_name
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print 'admin server url is %s' % admin_server_url
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# Encrypt the admin username and password
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adminUsernameEncrypted=encrypt(admin_username, domain_path)
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adminPasswordEncrypted=encrypt(admin_password, domain_path)
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print 'Create boot.properties files for this server'
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# Define the folder path
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secdir='%s/servers/%s/security' % (domain_path, server_name)
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# Create the security folder (if it does not already exist)
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try:
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os.makedirs(secdir)
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except OSError:
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if not os.path.isdir(secdir):
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raise
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print 'writing boot.properties to %s/servers/%s/security/boot.properties' % (domain_path, server_name)
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bpFile=open('%s/servers/%s/security/boot.properties' % (domain_path, server_name), 'w+')
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bpFile.write("username=%s\n" % adminUsernameEncrypted)
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bpFile.write("password=%s\n" % adminPasswordEncrypted)
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bpFile.close()
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service_name = domain_uid + "-" + server_name
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# Connect to nodemanager and start server
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try:
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nmConnect(admin_username, admin_password, service_name, '5556', domain_name, domain_path, 'plain')
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nmStart(server_name)
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nmDisconnect()
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except WLSTException, e:
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nmDisconnect()
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print e
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# Exit WLST
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exit()
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‎operator/src/main/resources/scripts/startServer.sh

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#!/bin/bash
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domain_uid=$1
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server_name=$2
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domain_name=$3
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as_name=$4
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as_port=$5
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as_hostname=$1-$4
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echo "debug arguments are $1 $2 $3 $4 $5"
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nmProp="/u01/nodemanager/nodemanager.properties"
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# TODO: parameterize shared home and domain name
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export DOMAIN_HOME=/shared/domain/$domain_name
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#
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# Create a folder
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# $1 - path of folder to create
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function createFolder {
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mkdir -m 777 -p $1
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if [ ! -d $1 ]; then
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fail "Unable to create folder $1"
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fi
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}
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# Function to create server specific scripts and properties (e.g startup.properties, etc)
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# $1 - Domain UID
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# $2 - Server Name
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# $3 - Domain Name
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# $4 - Admin Server Hostname (only passed for managed servers)
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# $5 - Admin Server port (only passed for managed servers)
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function createServerScriptsProperties() {
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# Create nodemanager home for the server
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srvr_nmdir=/u01/nodemanager
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createFolder ${srvr_nmdir}
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cp /shared/domain/$3/nodemanager/nodemanager.domains ${srvr_nmdir}
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cp /shared/domain/$3/bin/startNodeManager.sh ${srvr_nmdir}
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# Edit the start nodemanager script to use the home for the server
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sed -i -e "s:/shared/domain/$3/nodemanager:/u01/nodemanager:g" ${srvr_nmdir}/startNodeManager.sh
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# Create startup.properties file
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datadir=${DOMAIN_HOME}/servers/$2/data/nodemanager
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nmdir=${DOMAIN_HOME}/nodemgr_home
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stateFile=${datadir}/$2.state
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startProp=${datadir}/startup.properties
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if [ -f "$startProp" ]; then
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echo "startup.properties already exists"
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return 0
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fi
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createFolder ${datadir}
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echo "# Server startup properties" > ${startProp}
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echo "AutoRestart=true" >> ${startProp}
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if [ -n "$4" ]; then
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echo "AdminURL=http\://$4\:$5" >> ${startProp}
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fi
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echo "RestartMax=2" >> ${startProp}
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echo "RotateLogOnStartup=false" >> ${startProp}
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echo "RotationType=bySize" >> ${startProp}
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echo "RotationTimeStart=00\:00" >> ${startProp}
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echo "RotatedFileCount=100" >> ${startProp}
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echo "RestartDelaySeconds=0" >> ${startProp}
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echo "FileSizeKB=5000" >> ${startProp}
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echo "FileTimeSpanFactor=3600000" >> ${startProp}
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echo "RestartInterval=3600" >> ${startProp}
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echo "NumberOfFilesLimited=true" >> ${startProp}
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echo "FileTimeSpan=24" >> ${startProp}
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echo "NMHostName=$1-$2" >> ${startProp}
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}
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# Check for stale state file and remove if found"
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if [ -f "$stateFile" ]; then
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echo "Removing stale file $stateFile"
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rm ${stateFile}
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fi
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# Create nodemanager home directory that is local to the k8s node
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mkdir -p /u01/nodemanager
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cp ${DOMAIN_HOME}/nodemanager/* /u01/nodemanager/
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# Edit the nodemanager properties file to use the home for the server
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sed -i -e "s:DomainsFile=.*:DomainsFile=/u01/nodemanager/nodemanager.domains:g" /u01/nodemanager/nodemanager.properties
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sed -i -e "s:NodeManagerHome=.*:NodeManagerHome=/u01/nodemanager:g" /u01/nodemanager/nodemanager.properties
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sed -i -e "s:ListenAddress=.*:ListenAddress=$1-$2:g" /u01/nodemanager/nodemanager.properties
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sed -i -e "s:LogFile=.*:LogFile=/shared/logs/nodemanager-$2.log:g" /u01/nodemanager/nodemanager.properties
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export JAVA_PROPERTIES="-DLogFile=/shared/logs/nodemanager-$server_name.log -DNodeManagerHome=/u01/nodemanager"
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export NODEMGR_HOME="/u01/nodemanager"
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# Create startup.properties
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echo "Create startup.properties"
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if [ -n "$4" ]; then
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echo "this is managed server"
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createServerScriptsProperties $domain_uid $server_name $domain_name $as_hostname $as_port
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else
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echo "this is admin server"
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createServerScriptsProperties $domain_uid $server_name $domain_name
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fi
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echo "Start the nodemanager"
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. ${NODEMGR_HOME}/startNodeManager.sh &
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echo "Allow the nodemanager some time to start before attempting to connect"
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sleep 15
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echo "Finished waiting for the nodemanager to start"
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echo "Update JVM arguments"
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echo "Arguments=${USER_MEM_ARGS} -XX\:+UnlockExperimentalVMOptions -XX\:+UseCGroupMemoryLimitForHeap ${JAVA_OPTIONS}" >> ${startProp}
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admin_server_t3_url=
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if [ -n "$4" ]; then
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admin_server_t3_url=t3://$domain_uid-$as_name:$as_port
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fi
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echo "Start the server"
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wlst.sh -skipWLSModuleScanning /weblogic-operator/scripts/start-server.py $domain_uid $server_name $domain_name $admin_server_t3_url
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echo "Wait indefinitely so that the Kubernetes pod does not exit and try to restart"
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while true; do sleep 60; done
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‎operator/src/main/resources/scripts/stop-server.py

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#
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# +++ Start of common code for reading domain secrets
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# Read username secret
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file = open('/weblogic-operator/secrets/username', 'r')
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admin_username = file.read()
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file.close()
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# Read password secret
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file = open('/weblogic-operator/secrets/password', 'r')
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admin_password = file.read()
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file.close()
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# +++ End of common code for reading domain secrets
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#
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domain_uid = sys.argv[1]
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server_name = sys.argv[2]
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domain_name = sys.argv[3]
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service_name = domain_uid + "-" + server_name
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domain_path='/shared/domain/%s' % domain_name
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# Connect to nodemanager and stop server
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try:
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nmConnect(admin_username, admin_password, service_name, '5556', domain_name, domain_path, 'plain')
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except:
27+
print('Failed to connect to the NodeManager')
28+
exit(exitcode=2)
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# Kill the server
31+
try:
32+
nmKill(server_name)
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except:
34+
print('Connected to the NodeManager, but failed to stop the server')
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exit(exitcode=2)
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# Exit WLST
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nmDisconnect()
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exit()
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‎operator/src/main/resources/scripts/stopServer.sh

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#!/bin/bash
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echo "Stop the server"
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wlst.sh -skipWLSModuleScanning /weblogic-operator/scripts/stop-server.py $1 $2 $3
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# Return status of 2 means failed to stop a server through the NodeManager.
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# Look to see if there is a server process that can be killed.
9+
if [ $? -eq 2 ]; then
10+
pid=$(jps -v | grep '[D]weblogic.Name=$2' | awk '{print $1}')
11+
if [ ! -z $pid ]; then
12+
echo "Killing the server process $pid"
13+
kill -15 $pid
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fi
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fi
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