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Rancher Meetup Tokyo #18
2019.3.19
© 2019 cyberblack28
MONITORING OF
RANCHER!!
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Profile
Twitter:cyberblack28
Hatena Blog:https://cyberblack28.hatenablog.com/
Speaker Deck:https://speakerdeck.com/cyberblack28
Job
Educational Solution Architect
Developer Advocate / Technical Evangelist
Infrastructure Engineer
Frontend Engineer
Community
Music,Live,FES !! Take a picture !!
https://www.flickr.com/photos/cyberblack
ISBN-10: 4798155373
ISBN-13: 978-4798155371
I wrote the Chapter 6 Rancher 2.0 part.
Release on March 15, 2018
!
#rancherjp
#kujiraya
#deepcn
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Profile
http://bit.ly/thinkit_rancher
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AP Communications Co., Ltd
We’re hireling !!
Docker Kubernetes Rancher CloudNative
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1. Basic Monitoring
2. Alerts & Notifiers
3. Basic Logging
4. Monitoring & Logging Catalogs
5. Rancher’s New Multi-Tenant Prometheus Support
6. Multi-Cluster Apps
7. Information
Agenda
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BASIC MONITORING
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Basic Monitoring
1.Cluster
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Basic Monitoring
2.Nodes
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NOTIFIERS & ALERTS
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Notifiers & Alerts
1.Notifers
Alert notification destination
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VZ
Notifiers & Alerts
2.Alerts
Default Setting (V2.2.0-rc6)
etcd
kube components
event
node
a.Cluster Alert Default
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VZ
Notifiers & Alerts
Default Setting (V2.2.0-rc6)
Workload
Memory ※You need to enable Promethus features.
b.Project Alert Default
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VZ
Alert Rule Name
Name Setting
Alert
Choose a Notifier
Expression
Select Metric
Node Selector
Node Select Setting
Node
Node Name Select
Notifiers & Alerts
3.Alert Setting
Normal or Warning
• DaemonSet
• Deployment
• Node
• Pod
• StatefulSet
System Service
• scheduller
• etcd
• controll-manager
Alert Group Name
Name Setting
New by Prometheus
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BASIC LOGGING
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VZ
Basic Logging
Logging linkage
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MONITORING & LOGGING
CATALOGS
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VZ
Monitoring & Logging Catalogs
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RANCHER’S NEW MULTI-
TENANT PROMETHEUS
SUPPORT
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Rancher’s New Multi-Tenant Prometheus Support
So far, deploy Prometheus and Grafana from the catalog function.
Deploy from Catalog function
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Rancher’s New Multi-Tenant Prometheus Support
http://ur0.link/PjFf
Rancher Official Blog
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Rancher’s New Multi-Tenant Prometheus Support
Rancher 2.2 simplifies and cuts this process down to just 2 steps
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Rancher’s New Multi-Tenant Prometheus Support
Rancher Official Blog
http://ur0.link/PjHe
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Rancher’s New Multi-Tenant Prometheus Support
http://ur0.link/PjJn
• December 2018 Online Meetup Introducing
Rancher's New Multi Tenant Prometheus
Support
Webinar
• Rancher v2.2.0-Alpha3 Multi-Tenant Prometheus Support
Docs
http://ur0.link/PjK6
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1.Construct Rancher Server
Rancher’s New Multi-Tenant Prometheus Support
3.Create Kubernetes Cluster
4.Prometheus Set up
2.Create Node Instance
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1.Construct Rancher Server
1.Instance Prepare
2.Docker Install
$ curl https://releases.rancher.com/install-docker/18.09.sh | sh
3.Rancher v2.2.0-Alpha6 Server Install
$ sudo docker run -d --restart=unless-stopped -p 80:80 -p 443:443 rancher/rancher:v2.2.0-rc6
Rancher’s New Multi-Tenant Prometheus Support
Item Input Summary
Name rancher-server
Region asia-northeast1Tokyo
Zone asia-northeast1-b
MachineType vCPUx1
BootDisk
Ubuntu 16.04 LTS
DiskSize 80GB
Firewall Allow HTTP trafic,Allow HTTPS trafic
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4. Launch your browser to access RancherUI
https://EXTERNAL-IP/
5. Initial login
Rancher’s New Multi-Tenant Prometheus Support
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Rancher’s New Multi-Tenant Prometheus Support
6.Activate the Helm Catalog
Select upper menu “Tools”-”Catalogs” Change to “Enable”
Select “Global”
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2.Create Node Instance
Rancher’s New Multi-Tenant Prometheus Support
2.Install Docker on rancher-host
$ curl https://releases.rancher.com/install-docker/18.09.sh | sh
1.Instance Prepare
Item Input Summary
Name rancher-host
Region asia-northeast1Tokyo
Zone asia-northeast1-b
MachineType vCPUx1
BootDisk
Ubuntu 16.04 LTS
DiskSize 80GB
Firewall Allow HTTP traffic,Allow HTTPS traffic
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1.Press "Add Cluster" button
Rancher’s New Multi-Tenant Prometheus Support
3.Create Kubernetes Cluster
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Rancher’s New Multi-Tenant Prometheus Support
2.Select “Custom”, enter an arbitrary name for “Cluster Name”, and press the “Next” button
1
2
Select when linking with
GKE, EKS, AKS
Select when linking with
Cloud Provider such as
EC2, Azure,
DigitalOcean, vSpher,
etc.
Select when linking with an
existing Kubernetes Cluster
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Rancher’s New Multi-Tenant Prometheus Support
3
You can choose the version of Kubernetes.
, . , ,
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Rancher’s New Multi-Tenant Prometheus Support
3.Click “Show advanced options”
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Rancher’s New Multi-Tenant Prometheus Support
4. Check “etcd” and “Control Plane” of “Node Role”, enter the IP address of the second (rancher-host) in “Public
Address” and “Internal Address” of “Node Address”, “Copy to Clipboard” Press the button and execute the command
on the second (rancher-host) console and then press the “Done” button
1
2
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Rancher’s New Multi-Tenant Prometheus Support
3
5
4
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Rancher’s New Multi-Tenant Prometheus Support
5.rancher-k8s-cluster
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Rancher’s New Multi-Tenant Prometheus Support
6.
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Rancher’s New Multi-Tenant Prometheus Support
1.Select upper menu “Tools” - ”Monitoring”
4.Prometheus Set up
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Rancher’s New Multi-Tenant Prometheus Support
2.Select “Enabled” and press “Save” button
1
2
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Rancher’s New Multi-Tenant Prometheus Support
3.Upper menu “rancher-k8s-cluster“ – “Global“ Select
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Rancher’s New Multi-Tenant Prometheus Support
4.Select cluster name
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Rancher’s New Multi-Tenant Prometheus Support
5.Confirm that the Grafana button has been added
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Rancher’s New Multi-Tenant Prometheus Support
6.Expand accordion menu
.
. .
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Rancher’s New Multi-Tenant Prometheus Support
7.Click on the Grafana icon to see in the Grafana dashboard
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Rancher’s New Multi-Tenant Prometheus Support
Nodes Cluster
6.Press "Launch kubectl" button
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Rancher’s New Multi-Tenant Prometheus Support
Console lauch
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Rancher’s New Multi-Tenant Prometheus Support
8.Execute "kubectl get pods --all-namespaces" to check the status
# Run kubectl commands inside here
# e.g. kubectl get all
> kubectl get pods --all-namespaces
NAMESPACE NAME READY STATUS RESTARTS AGE
cattle-prometheus exporter-kube-state-cluster-monitoring-58f946d4d7-j9ql4 1/1 Running 0 14m
cattle-prometheus exporter-node-cluster-monitoring-96wg8 1/1 Running 0 14m
cattle-prometheus grafana-cluster-monitoring-65d7cfccd8-xzhxf 2/2 Running 0 14m
cattle-prometheus prometheus-cluster-monitoring-0 5/5 Running 1 14m
cattle-prometheus prometheus-operator-monitoring-operator-579985494b-52zhh 1/1 Running 0 14m
cattle-system cattle-cluster-agent-65566c9cd4-7dhdx 1/1 Running 0 26m
cattle-system cattle-node-agent-vst9b 1/1 Running 0 26m
cattle-system kube-api-auth-8qbs9 1/1 Running 0 26m
ingress-nginx default-http-backend-78fccfc5d9-ffkjm 1/1 Running 0 26m
ingress-nginx nginx-ingress-controller-4hlvm 1/1 Running 0 26m
kube-system canal-q7cvr 2/2 Running 0 26m
kube-system kube-dns-58bd5b8dd7-22dvk 3/3 Running 0 26m
kube-system kube-dns-autoscaler-77bc5fd84-lb75t 1/1 Running 0 26m
kube-system metrics-server-58bd5dd8d7-5mmlx 1/1 Running 0 26m
kube-system rke-ingress-controller-deploy-job-r6xbk 0/1 Completed 0 26m
kube-system rke-kube-dns-addon-deploy-job-82db5 0/1 Completed 0 26m
kube-system rke-metrics-addon-deploy-job-9gclh 0/1 Completed 0 26m
kube-system rke-network-plugin-deploy-job-2hltf 0/1 Completed 0 26m
>
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MULTI-CLUSTER APPS
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Multi-Cluster Apps
Deploy and deploy apps to multiple Kubernetes
clusters, and launch "Rancher 2.2" with new features
such as rolling updates by Publickey 2019.2.15
https://rancher.com/blog/
https://www.publickey1.jp/blog/19/kubernetesrancher_22.html
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Multi-Cluster Apps
http://urx3.nu/RYwU
• February 2019 Online Meetup: Multi Cluster
Applications, Global DNS, and Multi Tenant
Catalogs
Webinar
• Rancher 2.2 Tech Preview Multi-Cluster App
Docs
http://urx3.nu/UYcM
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Multi-Cluster Apps
New to Rancher 2.2 is the ability to deploy applications from the catalog in bulk to Multi Kubernetes Cluster.
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In conjunction with Rancher, run Multi-Cluster Apps from the place where I built a cluster on AKS, EKS, GKE.
Multi-Cluster Apps
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1.Select the upper menu “Multi-Cluster Apps” and press the “Launch” button.
Multi-Cluster Apps
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2.Enter “word” in the search field and press the “View Details” button on “wordpress”
Multi-Cluster Apps
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3.Set 1 to 3
" , ,
" , 2 - 3.
" . 1, 1 , -
. - . ,
2 - .
By selecting the
namespace for the
kubernetes cluster to
deploy
You can deploy to multi-
kubernetes cluster.
Multi-Cluster Apps
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4.Set 4.1 to 4 and press the “Launch” button
.3 1 . 224 1
3 2
.3 1 . 224 1
3 . 1
Multi-Cluster Apps
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5.Completed wordpress deployment on aks-kubernetes-cluster, eks-kubernetes-cluster, gke-kubernetes-
cluster
Multi-Cluster Apps
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6. Access WordPress by clicking 443/tcp, 80/tcp in Service of AKS, EKS, GKE
Multi-Cluster Apps
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7.https or http://ExternalIP/wp-login.php (Username:user Password:your set password)
Multi-Cluster Apps
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INFORMATION
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Information
Cloud Native Tokyo #01
2019/4/10 (wed) 18:3022:00
NTT Software Innovation Center
34F Granpark Tower, 3-4-1 Shibaura, Minato, TokyoS
Container Orchestration Platform OpenShift & Rancher Feature
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Docker / Kubernetes / Rancher One Day Training
2019.4.15 https://eventregist.com/e/cndf2019training
#rancherjp
Coupon Code
rancherjp1000
#kujiraya
Coupon Code
kujiraya1000
CloudNative Days 2019
CloudNative Days Tokyo 2019
OpenStack Days Tokyo 2019
Toranomon Hills Forum, July 22-23, 2019
CloudNative Days Kansai 2019
2019.4.16 https://eventregist.com/e/cndf2019
We will carry out popular training in JapanContainerDays as well, and we
will carry out the “limited training to learn Docker / Kubernetes / Rancher
from the foundation in one day”.
Let's get training and attend the conference!
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ONE MORE THING…
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Lightweight
Kubernetes
Easy to install.
A binary of less than 40 MB.
Only 512 MB of RAM required to run.
Cross-Cluster
Network
Connectivity
for Kubernetes
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Rancher v2.2.0-rc3 or later
Support k3s cluster import !!
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Information
#01 2019/3/26 (tue) 18:3021:00
4-23-1 Ebisu, Shibuya-ku, Tokyo
#02 2019/4/11 (thu) 18:3021:00
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! !