OpenLiberty sample github
https://github.com/OpenLiberty/guide-kubernetes-intro
OpenLiberty tutorial
https://openliberty.io/guides/kubernetes-intro.html#what-youll-learn
MiniKubernetes installation guide
https://github.com/kubernetes/minikube#installation
Minikube Linux install
https://minikube.sigs.k8s.io/docs/start/linux/
Fedora Getting started with virtualization
https://docs.fedoraproject.org/en-US/quick-docs/getting-started-with-virtualization/
Dependencies resolved.
==================================================================================================================================================
Package Architecture Version Repository Size
==================================================================================================================================================
Installing group/module packages:
virt-install noarch 2.2.1-2.fc31 fedora 64 k
virt-manager noarch 2.2.1-2.fc31 fedora 543 k
virt-viewer x86_64 8.0-3.fc31 fedora 404 k
Installing dependencies:
autogen-libopts x86_64 5.18.16-3.fc31 fedora 75 k
gnutls-dane x86_64 3.6.10-1.fc31 fedora 27 k
gnutls-utils x86_64 3.6.10-1.fc31 fedora 341 k
libgovirt x86_64 0.3.4-9.fc30 fedora 71 k
libvirt-bash-completion x86_64 5.6.0-4.fc31 fedora 12 k
libvirt-client x86_64 5.6.0-4.fc31 fedora 343 k
python3-libvirt x86_64 5.6.0-1.fc31 fedora 294 k
virt-manager-common noarch 2.2.1-2.fc31 fedora 1.0 M
Installing Groups:
Virtualization dave@localhost finish]$ sudo systemctl start libvirtd
[dave@localhost finish]$ sudo systemctl enable libvirtd
Created symlink /etc/systemd/system/sockets.target.wants/libvirtd.socket → /usr/lib/systemd/system/libvirtd.socket.
Created symlink /etc/systemd/system/sockets.target.wants/libvirtd-ro.socket → /usr/lib/systemd/system/libvirtd-ro.socket.
[dave@localhost finish]$ lsmod | grep kvm
kvm_intel 299008 0
kvm 770048 1 kvm_intel
irqbypass 16384 1 kvm
Some errors appear in virt validation
[dave@localhost finish]$ virt-host-validate
QEMU: Checking for hardware virtualization : PASS
QEMU: Checking if device /dev/kvm exists : PASS
QEMU: Checking if device /dev/kvm is accessible : PASS
QEMU: Checking if device /dev/vhost-net exists : PASS
QEMU: Checking if device /dev/net/tun exists : PASS
QEMU: Checking for cgroup 'cpu' controller support : WARN (Enable 'cpu' in kernel Kconfig file or mount/enable cgroup controller in your system)
QEMU: Checking for cgroup 'cpuacct' controller support : PASS
QEMU: Checking for cgroup 'cpuset' controller support : WARN (Enable 'cpuset' in kernel Kconfig file or mount/enable cgroup controller in your system)
QEMU: Checking for cgroup 'memory' controller support : PASS
QEMU: Checking for cgroup 'devices' controller support : WARN (Enable 'devices' in kernel Kconfig file or mount/enable cgroup controller in your system)
QEMU: Checking for cgroup 'blkio' controller support : WARN (Enable 'blkio' in kernel Kconfig file or mount/enable cgroup controller in your system)
QEMU: Checking for device assignment IOMMU support : PASS
QEMU: Checking if IOMMU is enabled by kernel : WARN (IOMMU appears to be disabled in kernel. Add intel_iommu=on to kernel cmdline arguments)
LXC: Checking for Linux >= 2.6.26 : PASS
LXC: Checking for namespace ipc : PASS
LXC: Checking for namespace mnt : PASS
LXC: Checking for namespace pid : PASS
LXC: Checking for namespace uts : PASS
LXC: Checking for namespace net : PASS
LXC: Checking for namespace user : PASS
LXC: Checking for cgroup 'cpu' controller support : FAIL (Enable 'cpu' in kernel Kconfig file or mount/enable cgroup controller in your system)
LXC: Checking for cgroup 'cpuacct' controller support : PASS
LXC: Checking for cgroup 'cpuset' controller support : FAIL (Enable 'cpuset' in kernel Kconfig file or mount/enable cgroup controller in your system)
LXC: Checking for cgroup 'memory' controller support : PASS
LXC: Checking for cgroup 'devices' controller support : FAIL (Enable 'devices' in kernel Kconfig file or mount/enable cgroup controller in your system)
LXC: Checking for cgroup 'freezer' controller support : FAIL (Enable 'freezer' in kernel Kconfig file or mount/enable cgroup controller in your system)
LXC: Checking for cgroup 'blkio' controller support : FAIL (Enable 'blkio' in kernel Kconfig file or mount/enable cgroup controller in your system)
LXC: Checking if device /sys/fs/fuse/connections exists : PASS
[root@localhost ~]# sudo dnf config-manager --add-repo=https://download.docker.com/linux/fedora/docker-ce.repo
Adding repo from: https://download.docker.com/linux/fedora/docker-ce.repo
After Docker installtion all tests pass
[root@localhost ~]# virt-host-validate
QEMU: Checking for hardware virtualization : PASS
QEMU: Checking if device /dev/kvm exists : PASS
QEMU: Checking if device /dev/kvm is accessible : PASS
QEMU: Checking if device /dev/vhost-net exists : PASS
QEMU: Checking if device /dev/net/tun exists : PASS
QEMU: Checking for cgroup 'cpu' controller support : PASS
QEMU: Checking for cgroup 'cpuacct' controller support : PASS
QEMU: Checking for cgroup 'cpuset' controller support : PASS
QEMU: Checking for cgroup 'memory' controller support : PASS
QEMU: Checking for cgroup 'devices' controller support : PASS
QEMU: Checking for cgroup 'blkio' controller support : PASS
QEMU: Checking for device assignment IOMMU support : PASS
QEMU: Checking if IOMMU is enabled by kernel : WARN (IOMMU appears to be disabled in kernel. Add intel_iommu=on to kernel cmdline arguments)
LXC: Checking for Linux >= 2.6.26 : PASS
LXC: Checking for namespace ipc : PASS
LXC: Checking for namespace mnt : PASS
LXC: Checking for namespace pid : PASS
LXC: Checking for namespace uts : PASS
LXC: Checking for namespace net : PASS
LXC: Checking for namespace user : PASS
LXC: Checking for cgroup 'cpu' controller support : PASS
LXC: Checking for cgroup 'cpuacct' controller support : PASS
LXC: Checking for cgroup 'cpuset' controller support : PASS
LXC: Checking for cgroup 'memory' controller support : PASS
LXC: Checking for cgroup 'devices' controller support : PASS
LXC: Checking for cgroup 'freezer' controller support : PASS
LXC: Checking for cgroup 'blkio' controller support : PASS
LXC: Checking if device /sys/fs/fuse/connections exists : PASS
Install minikube
https://minikube.sigs.k8s.io/docs/start/linux/
Download and install minikube to /usr/local/bin:
curl -LO https://storage.googleapis.com/minikube/releases/latest/minikube-linux-amd64 \
&& sudo install minikube-linux-amd64 /usr/local/bin/minikube
Start minukube
[dave@localhost ~]$ minikube start --vm-driver=kvm2
😄 minikube v1.5.2 on Fedora 31
✨ Automatically selected the 'kvm2' driver (alternates: [none])
💾 Downloading driver docker-machine-driver-kvm2:
> docker-machine-driver-kvm2.sha256: 65 B / 65 B [-------] 100.00% ? p/s 0s
> docker-machine-driver-kvm2: 13.87 MiB / 13.87 MiB 100.00% 8.94 MiB p/s 2
💿 Downloading VM boot image ...
> minikube-v1.5.1.iso.sha256: 65 B / 65 B [--------------] 100.00% ? p/s 0s
> minikube-v1.5.1.iso: 143.76 MiB / 143.76 MiB [-] 100.00% 17.68 MiB p/s 9s
🔥 Creating kvm2 VM (CPUs=2, Memory=2000MB, Disk=20000MB) ...
dave@localhost ~]$ minikube start
😄 minikube v1.5.2 on Fedora 31
💡 Tip: Use 'minikube start -p <name>' to create a new cluster, or 'minikube delete' to delete this one.
🏃 Using the running kvm2 "minikube" VM ...
⌛ Waiting for the host to be provisioned ...
🐳 Preparing Kubernetes v1.16.2 on Docker '18.09.9' ...
💾 Downloading kubeadm v1.16.2
💾 Downloading kubelet v1.16.2
🔄 Relaunching Kubernetes using kubeadm ...
Need to work on virtual host configuration
🔄 Relaunching Kubernetes using kubeadm ...
💣 Error restarting cluster: waiting for apiserver: apiserver process never appeared
Need to download and install Fedora 31 image
Create storage
dd if=/dev/zero of=/var/lib/libvirt/images/guest.img bs=1M count=20480
Download ISO image at https://getfedora.org/en/workstation/download/
root@localhost ~]# cp /home/dave/Downloads/Fedora-Workstation-Live-x86_64-31-1.9.iso /var/lib/libvirt/images/Fedora-Workstation-31/ root@localhost ~]# virt-install --name Fedora31 --description 'Fedora 31 Workstation' --ram 4096 --vcpus 2 --disk path=/var/lib/libvirt/images/Fedora-Workstation-31/Fedora-Workstation-31-20180518.0.x86_64.qcow2,size=20 --os-type linux --os-variant fedora31 --network bridge=virbr0 --graphics vnc,listen=127.0.0.1,port=5901 --cdrom /var/lib/libvirt/images/Fedora-Workstation-31/Fedora-Workstation-Live-x86_64-31-1.9.iso --noautoconsoleInstall Kubernetes client
[root@localhost ~]# dnf install kubernetes-client
dave@localhost ~]$ kubectl get po -A
NAMESPACE NAME READY STATUS RESTARTS AGE
kube-system coredns-5644d7b6d9-hgfrq 1/1 Running 0 3m27s
kube-system coredns-5644d7b6d9-rh2wp 1/1 Running 0 3m27s
kube-system etcd-minikube 1/1 Running 0 2m24s
kube-system kube-addon-manager-minikube 1/1 Running 0 3m37s
kube-system kube-apiserver-minikube 1/1 Running 0 2m16s
kube-system kube-controller-manager-minikube 1/1 Running 0 2m24s
kube-system kube-proxy-brljs 1/1 Running 0 3m26s
kube-system kube-scheduler-minikube 1/1 Running 0 2m18s
kube-system storage-provisioner 1/1 Running 0 3m25s
[dave@localhost guide-kubernetes-intro]$ ls
finish LICENSE README.adoc scripts start
[dave@localhost guide-kubernetes-intro]$ cd finish/
[dave@localhost finish]$ kubectl get nodes
NAME STATUS ROLES AGE VERSION
minikube Ready master 5m24s v1.16.2
Follow the OpenLiberty guide
https://openliberty.io/guides/kubernetes-intro.html#building-and-containerizing-the-microservices
https://openliberty.io/guides/kubernetes-intro.html#building-and-containerizing-the-microservices
[INFO] Reactor Summary for guide-kubernetes-intro 1.0-SNAPSHOT:
[INFO]
[INFO] guide-kubernetes-intro ............................. SUCCESS [ 0.114 s]
[INFO] system ............................................. SUCCESS [ 56.164 s]
[INFO] inventory .......................................... SUCCESS [ 3.497 s]
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 01:01 min
[INFO] Finished at: 2019-11-23T14:51:32+01:00
[INFO] ------------------------------------------------------------------------
Build Docker images
[dave@localhost finish]$ docker build -t system:1.0-SNAPSHOT system/.
Sending build context to Docker daemon 173.1MB
Step 1/2 : FROM open-liberty
latest: Pulling from library/open-liberty
7ddbc47eeb70: Pull complete
c1bbdc448b72: Pull complete
8c3b70e39044: Pull complete
45d437916d57: Pull complete
da4c04c54fa4: Pull complete
8f6c6858a836: Pull complete
5d00a703c295: Pull complete
cb8753aefdab: Pull complete
973c4edce328: Pull complete
768f5576235d: Pull complete
03125c94a5ec: Pull complete
Digest: sha256:c23b036bed7bd0dec141db5bbde186fb617fd67f4d2db4c1a7793eb483354fc9
Status: Downloaded newer image for open-liberty:latest
---> 33db8778e38a
Step 2/2 : ADD --chown=1001:0 target/system.tar.gz /opt/ol
---> 63fb2879e723
Successfully built 63fb2879e723
Successfully tagged system:1.0-SNAPSHOT
Build inventory image
[dave@localhost finish]$ docker build -t inventory:1.0-SNAPSHOT inventory/.
Sending build context to Docker daemon 174MB
Step 1/2 : FROM open-liberty
---> 33db8778e38a
Step 2/2 : ADD --chown=1001:0 target/inventory.tar.gz /opt/ol
---> c2f7faff812d
Successfully built c2f7faff812d
Successfully tagged inventory:1.0-SNAPSHOT
List of Docker images
[dave@localhost finish]$ docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
inventory 1.0-SNAPSHOT c2f7faff812d 44 seconds ago 393MB
system 1.0-SNAPSHOT 63fb2879e723 About a minute ago 393MB
open-liberty latest 33db8778e38a 2 weeks ago 392MB
k8s.gcr.io/kube-proxy v1.16.2 8454cbe08dc9 5 weeks ago 86.1MB
k8s.gcr.io/kube-controller-manager v1.16.2 6e4bffa46d70 5 weeks ago 163MB
k8s.gcr.io/kube-apiserver v1.16.2 c2c9a0406787 5 weeks ago 217MB
k8s.gcr.io/kube-scheduler v1.16.2 ebac1ae204a2 5 weeks ago 87.3MB
k8s.gcr.io/etcd 3.3.15-0 b2756210eeab 2 months ago 247MB
k8s.gcr.io/coredns 1.6.2 bf261d157914 3 months ago 44.1MB
k8s.gcr.io/kube-addon-manager v9.0.2 bd12a212f9dc 4 months ago 83.1MB
k8s.gcr.io/kube-addon-manager v9.0 119701e77cbc 10 months ago 83.1MB
k8s.gcr.io/kubernetes-dashboard-amd64 v1.10.1 f9aed6605b81 11 months ago 122MB
k8s.gcr.io/k8s-dns-sidecar-amd64 1.14.13 4b2e93f0133d 14 months ago 42.9MB
k8s.gcr.io/k8s-dns-kube-dns-amd64 1.14.13 55a3c5209c5e 14 months ago 51.2MB
k8s.gcr.io/k8s-dns-dnsmasq-nanny-amd64 1.14.13 6dc8ef8287d3 14 months ago 41.4MB
k8s.gcr.io/pause 3.1 da86e6ba6ca1 23 months ago 742kB
gcr.io/k8s-minikube/storage-provisioner v1.8.1 4689081edb10 2 years ago 80.8MB
kubernetes.yaml
apiVersion: apps/v1
kind: Deployment
metadata:
name: system-deployment
labels:
app: system
spec:
selector:
matchLabels:
app: system
template:
metadata:
labels:
app: system
spec:
containers:
- name: system-container
image: system:1.0-SNAPSHOT
ports:
- containerPort: 9080
---
apiVersion: apps/v1
kind: Deployment
metadata:
name: inventory-deployment
labels:
app: inventory
spec:
selector:
matchLabels:
app: inventory
template:
metadata:
labels:
app: inventory
spec:
containers:
- name: inventory-container
image: inventory:1.0-SNAPSHOT
ports:
- containerPort: 9080
---
apiVersion: v1
kind: Service
metadata:
name: system-service
spec:
type: NodePort
selector:
app: system
ports:
- protocol: TCP
port: 9080
targetPort: 9080
nodePort: 31000
---
apiVersion: v1
kind: Service
metadata:
name: inventory-service
spec:
type: NodePort
selector:
app: inventory
ports:
- protocol: TCP
port: 9080
targetPort: 9080
nodePort: 32000
[dave@localhost finish]$ kubectl apply -f kubernetes.yaml
deployment.apps/system-deployment created
deployment.apps/inventory-deployment created
service/system-service created
service/inventory-service created
get pods
[dave@localhost finish]$ kubectl get pods
NAME READY STATUS RESTARTS AGE
inventory-deployment-759769c979-tzq9b 1/1 Running 0 24s
system-deployment-94895d89d-6dpp6 1/1 Running 0 24s
[dave@localhost finish]$
Describe pods
[dave@localhost finish]$ kubectl describe pods
Name: inventory-deployment-759769c979-tzq9b
Namespace: default
Priority: 0
Node: minikube/192.168.39.189
Start Time: Sat, 23 Nov 2019 14:55:44 +0100
Labels: app=inventory
pod-template-hash=759769c979
Annotations: <none>
Status: Running
IP: 172.17.0.5
Controlled By: ReplicaSet/inventory-deployment-759769c979
Containers:
inventory-container:
Container ID: docker://255c6a483511976cc861a644e3c83049411c9dfb9deb39694ed2f456f821a0bf
Image: inventory:1.0-SNAPSHOT
Image ID: docker://sha256:c2f7faff812d29712919e170acb72ce64192ba9fee543ce1b56a3f3271c59ae1
Port: 9080/TCP
Host Port: 0/TCP
State: Running
Started: Sat, 23 Nov 2019 14:55:45 +0100
Ready: True
Restart Count: 0
Environment: <none>
Mounts:
/var/run/secrets/kubernetes.io/serviceaccount from default-token-z9cp2 (ro)
Conditions:
Type Status
Initialized True
Ready True
ContainersReady True
PodScheduled True
Volumes:
default-token-z9cp2:
Type: Secret (a volume populated by a Secret)
SecretName: default-token-z9cp2
Optional: false
QoS Class: BestEffort
Node-Selectors: <none>
Tolerations: node.kubernetes.io/not-ready:NoExecute for 300s
node.kubernetes.io/unreachable:NoExecute for 300s
Events:
Type Reason Age From Message
---- ------ ---- ---- -------
Normal Scheduled <unknown> default-scheduler Successfully assigned default/inventory-deployment-759769c979-tzq9b to minikube
Normal Pulled 49s kubelet, minikube Container image "inventory:1.0-SNAPSHOT" already present on machine
Normal Created 49s kubelet, minikube Created container inventory-container
Normal Started 48s kubelet, minikube Started container inventory-container
Name: system-deployment-94895d89d-6dpp6
Namespace: default
Priority: 0
Node: minikube/192.168.39.189
Start Time: Sat, 23 Nov 2019 14:55:44 +0100
Labels: app=system
pod-template-hash=94895d89d
Annotations: <none>
Status: Running
IP: 172.17.0.4
Controlled By: ReplicaSet/system-deployment-94895d89d
Containers:
system-container:
Container ID: docker://eaaaa4976cd8ec0218872276faacf9bd52dcfac125ab2a1ce372ab692d88b859
Image: system:1.0-SNAPSHOT
Image ID: docker://sha256:63fb2879e723f56f74af3ec4ad6f4672ba3dbe8db3b162a5cb80b7496703f1c2
Port: 9080/TCP
Host Port: 0/TCP
State: Running
Started: Sat, 23 Nov 2019 14:55:45 +0100
Ready: True
Restart Count: 0
Environment: <none>
Mounts:
/var/run/secrets/kubernetes.io/serviceaccount from default-token-z9cp2 (ro)
Conditions:
Type Status
Initialized True
Ready True
ContainersReady True
PodScheduled True
Volumes:
default-token-z9cp2:
Type: Secret (a volume populated by a Secret)
SecretName: default-token-z9cp2
Optional: false
QoS Class: BestEffort
Node-Selectors: <none>
Tolerations: node.kubernetes.io/not-ready:NoExecute for 300s
node.kubernetes.io/unreachable:NoExecute for 300s
Events:
Type Reason Age From Message
---- ------ ---- ---- -------
Normal Scheduled <unknown> default-scheduler Successfully assigned default/system-deployment-94895d89d-6dpp6 to minikube
Normal Pulled 49s kubelet, minikube Container image "system:1.0-SNAPSHOT" already present on machine
Normal Created 49s kubelet, minikube Created container system-container
Normal Started 48s kubelet, minikube Started container system-container
Get ip
[dave@localhost finish]$ minikube ip
192.168.39.189
Test endpoint
[dave@localhost finish]$ curl http://192.168.39.189:31000/system/properties
{"java.vendor":"Eclipse OpenJ9","default.https.port":"9443","sun.java.launcher":"SUN_STANDARD","shared.resource.dir":"/opt/ol/wlp/usr/shared/resources/","os.name":"Linux","kernel.launch.time":"809693252842","sun.boot.class.path":"/opt/java/openjdk/lib/amd64/compressedrefs/jclSC180/vm.jar:/opt/java/openjdk/lib/se-service.jar:/opt/java/openjdk/lib/rt.jar:/opt/java/openjdk/lib/resources.jar:/opt/java/openjdk/lib/jsse.jar:/opt/java/openjdk/lib/charsets.jar:/opt/java/openjdk/lib/jce.jar","default.http.port":"9080","java.vm.specification.vendor":"Oracle Corporation","shared.app.dir":"/opt/ol/wlp/usr/shared/apps/","java.runtime.version":"1.8.0_232-b09","wlp.lib.dir":"/opt/ol/wlp/lib/","wlp.workarea.dir":"workarea/","user.name":"default","java.compiler":"j9jit29","os.encoding":"UTF-8","com.ibm.util.extralibs.properties":"","com.ibm.jcl.checkClassPath":"","server.tmp.dir":"/opt/ol/wlp/output/defaultServer/workarea/tmp/","user.language":"en","jdk.attach.allowAttachSelf":"true","com.ibm.oti.vm.bootstrap.library.path":"/opt/java/openjdk/lib/amd64/compressedrefs:/opt/java/openjdk/lib/amd64","sun.boot.library.path":"/opt/java/openjdk/lib/amd64/compressedrefs:/opt/java/openjdk/lib/amd64","wlp.install.dir":"/opt/ol/wlp/","server.output.dir":"/opt/ol/wlp/output/defaultServer/","jdk.extensions.version":"8.0.232.0","java.util.logging.manager":"com.ibm.ws.kernel.boot.logging.WsLogManager","java.version":"1.8.0_232","user.timezone":"GMT","com.ibm.system.agent.path":"/opt/java/openjdk/lib/amd64","sun.arch.data.model":"64","com.ibm.zero.version":"2","java.endorsed.dirs":"/opt/java/openjdk/lib/endorsed","com.ibm.oti.vm.library.version":"29","sun.jnu.encoding":"UTF-8","file.encoding.pkg":"sun.io","file.separator":"/","java.specification.name":"Java Platform API Specification","java.class.version":"52.0","user.country":"US","java.home":"/opt/java/openjdk","java.vm.info":"JRE 1.8.0 Linux amd64-64-Bit Compressed References 20191017_442 (JIT enabled, AOT enabled)\nOpenJ9 - 77c1cf708\nOMR - 20db4fbc\nJCL - 97b5ec8f383 based on jdk8u232-b09","os.version":"4.19.76","java.awt.fonts":"","path.separator":":","org.apache.aries.blueprint.preemptiveShutdown":"false","java.vm.version":"openj9-0.17.0","user.variant":"","wlp.user.dir.isDefault":"true","ibm.cds.suppresserrors":"true","java.awt.printerjob":"sun.print.PSPrinterJob","jdk.extensions.name":"Extensions for OpenJDK for Eclipse OpenJ9","sun.io.unicode.encoding":"UnicodeLittle","awt.toolkit":"sun.awt.X11.XToolkit","ibm.signalhandling.sigint":"true","org.apache.cxf.stax.allowInsecureParser":"1","user.home":"/home/default","com.ibm.cpu.endian":"little","java.specification.vendor":"Oracle Corporation","ibm.signalhandling.sigchain":"true","org.jboss.weld.xml.disableValidating":"true","java.library.path":"/opt/java/openjdk/lib/amd64/compressedrefs:/opt/java/openjdk/lib/amd64:/usr/lib64:/usr/lib","java.vendor.url":"http://www.eclipse.org/openj9","java.vm.vendor":"Eclipse OpenJ9","java.fullversion":"1.8.0_232-b09\nJRE 1.8.0 Linux amd64-64-Bit Compressed References 20191017_442 (JIT enabled, AOT enabled)\nOpenJ9 - 77c1cf708\nOMR - 20db4fbc\nJCL - 97b5ec8f383 based on jdk8u232-b09","java.runtime.name":"OpenJDK Runtime Environment","sun.net.http.retryPost":"false","sun.java.command":"/opt/ol/wlp/bin/tools/ws-server.jar defaultServer","java.class.path":"/opt/ol/wlp/bin/tools/ws-server.jar:/opt/ol/wlp/bin/tools/ws-javaagent.jar:/opt/ol/wlp/bin/tools/ws-javaagent.jar","server.config.dir":"/opt/ol/wlp/usr/servers/defaultServer/","wlp.user.dir":"/opt/ol/wlp/usr/","java.vm.specification.name":"Java Virtual Machine Specification","sun.java.launcher.pid":"1","java.vm.specification.version":"1.8","sun.cpu.endian":"little","java.awt.headless":"true","java.io.tmpdir":"/tmp","ibm.system.encoding":"UTF-8","shared.config.dir":"/opt/ol/wlp/usr/shared/config/","os.arch":"amd64","java.awt.graphicsenv":"sun.awt.X11GraphicsEnvironment","ibm.signalhandling.rs":"false","java.ext.dirs":"/opt/java/openjdk/lib/ext","user.dir":"/opt/ol/wlp/output/defaultServer","line.separator":"\n","java.vm.name":"Eclipse OpenJ9 VM","com.ibm.oti.shared.enabled":"true","com.ibm.vm.bitmode":"64","wlp.process.type":"server","javax.management.builder.initial":"com.ibm.ws.kernel.boot.jmx.internal.PlatformMBeanServerBuilder","file.encoding":"UTF-8","java.specification.version":"1.8","com.ibm.oti.configuration":"scar","wlp.server.name":"defaultServer"}
Scale deployment
[dave@localhost finish]$ kubectl scale deployment/system-deployment --replicas=3
deployment.apps/system-deployment scaled
[dave@localhost finish]$ kubectl get pods
NAME READY STATUS RESTARTS AGE
inventory-deployment-759769c979-tzq9b 1/1 Running 0 11m
system-deployment-94895d89d-58mlq 1/1 Running 0 5s
system-deployment-94895d89d-6dpp6 1/1 Running 0 11m
system-deployment-94895d89d-9q9xz 1/1 Running 0 5s
Run tests
[INFO] -------------------------------------------------------
[INFO] T E S T S
[INFO] -------------------------------------------------------
[INFO] Running it.io.openliberty.guides.inventory.InventoryEndpointTest
[INFO] Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 2.188 s - in it.io.openliberty.guides.inventory.InventoryEndpointTest
[INFO]
[INFO] Results:
[INFO]
[INFO] Tests run: 1, Failures: 0, Errors: 0, Skipped: 0
[INFO]
[INFO]
[INFO] --- liberty-maven-plugin:3.0.M1:test-stop-server (test-stop-server) @ inventory ---
[INFO] CWWKM2102I: Using artifact based assembly archive : io.openliberty:openliberty-runtime:null:RELEASE:zip.
[INFO] CWWKM2102I: Using installDirectory : /git/guide-kubernetes-intro/finish/inventory/target/liberty/wlp.
[INFO] CWWKM2102I: Using serverName : defaultServer.
[INFO] CWWKM2102I: Using serverDirectory : /git/guide-kubernetes-intro/finish/inventory/target/liberty/wlp/usr/servers/defaultServer.
[INFO] CWWKM2152I: Stopping server defaultServer.
[INFO] CWWKM2001I: server.config.dir is /git/guide-kubernetes-intro/finish/inventory/target/liberty/wlp/usr/servers/defaultServer.
[INFO] CWWKM2001I: server.output.dir is /git/guide-kubernetes-intro/finish/inventory/target/liberty/wlp/usr/servers/defaultServer.
[INFO] CWWKM2001I: Invoke command is [/git/guide-kubernetes-intro/finish/inventory/target/liberty/wlp/bin/server, stop, defaultServer].
[INFO]
[INFO] Stopping server defaultServer.
[INFO] Server defaultServer stopped.
[INFO]
[INFO] --- maven-failsafe-plugin:3.0.0-M1:verify (verify-results) @ inventory ---
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary for guide-kubernetes-intro 1.0-SNAPSHOT:
[INFO]
[INFO] guide-kubernetes-intro ............................. SUCCESS [ 0.003 s]
[INFO] system ............................................. SUCCESS [ 8.917 s]
[INFO] inventory .......................................... SUCCESS [ 9.144 s]
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
Resource usage
Virtual machine manager
[root@localhost ~]# virt-manager
