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Comment: Fix the screenshots
Info

Steps described in this page are run by "ubuntu", a non-root user.

...

Follow the steps below to install and configure Rancher:

#PurposeCommand and Example
1

Add host name to /etc/hosts file

Adding all cluster nodes to /etc/hosts file on each node


sudo vi /etc/hosts

Expand
titleExample result of /etc/hosts file

$ more /etc/hosts

127.0.0.1 sdnc-k8s localhost

...

10.147.132.10 sdnc-k8s

10.147.90.6 sdnc-k8s-2

2

Install/Start Rancher server


There may be issues with the DNS pod in Rancher after a reboot or when running clustered hosts as described in ONAP bug:

A clean system is OK.

Use port 8880 instead of 8080.

docker run -d --restart=unless-stopped -p 8880:8080 rancher/server:v1.6.10

Expand
titleExample of rancher start in docker

$ docker run -d --restart=unless-stopped -p 8880:8080 rancher/server:v1.6.10

Unable to find image 'rancher/server:latest' locally

latest: Pulling from rancher/server

6599cadaf950: Pull complete

23eda618d451: Pull complete

f0be3084efe9: Pull complete

52de432f084b: Pull complete

a3ed95caeb02: Pull complete

e75cd91a1dc5: Pull complete

997f1b48f59f: Pull complete

313c28fb4e37: Pull complete

2a0730d1275c: Pull complete

8848fbebd2c8: Pull complete

906504ea9ea6: Pull complete

9329940f8e65: Pull complete

e849debd7945: Pull complete

4883bd135dd2: Pull complete

605c6a0fe940: Pull complete

274bc004c933: Pull complete

a6cb25e8d1a2: Pull complete

3ded9d4c8c2b: Pull complete

a571d2f40012: Pull complete

Digest: sha256:096026aa3eed411077690c904cd5dd3cce66eb39312c78a84209eab23387c36d

Status: Downloaded newer image for rancher/server:latest

4b3020cfccc2db47905e89e66cd8533fea82d60b886b2f4509e5f1c56764563a

Expand
titleExample of validate rancher server is up in docker

$ docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
e3f1c2ce3234 rancher/server:v1.6.10 "/usr/bin/entry /usr/" 7 seconds ago Up 6 seconds 3306/tcp, 0.0.0.0:8880->8080/tcp pensive_goldberg
$


Configure Rancher Client

You can access the Rancher UI through http:<master host IP>:8880 ; it takes you to the apps/stacks page.

...

From here, follow the steps below to configure the Rancher:

#PurposeScript shots illustrated steps
1

Create Rancher environment:

  • Launch "Manage Enviroments" page
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  • Image Added
  • Click on "Add Enviroment"
  • Image Modified
  • Fill in the template with the following, and then click on the Create button
    • Name: "sdnc-ha"
    • (Optional) Add Description of the new environment
    • Environment Template: Kubernetes
  • Image Modified 
  • Check that the new enviroment has been created and displays as "Active" 
  • Image Modified
  • Expand
    titleDelete pre-existing Default environment
Image Removed


  • Image Added

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  • Image Added


2

Add host to INFRASTRUCTURE

  • Go to the Hosts page via INFRASTRUCTURE -> Hosts
  • Click on the AddHost button
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Image Added

  • For the first time only, the following confirmation page will appear (click the Save button to continue):
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Image Added

  • The following Add Host page will appear:
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Image Added

    • Skip steps 1, 2, and 3 listed in the page
    • In step 4, fill in the blank with the server IP
    • In step 5:

      • Click the Copy to Clipboard button to copy the command and run it on the server

        Expand
        titleExample of registering rancher agent on the server

        $ docker run -e CATTLE_AGENT_IP="10.147.132.10"  --rm --privileged -v /var/run/docker.sock:/var/run/docker.sock -v /var/lib/rancher:/var/lib/rancher rancher/agent:v1.2.6http://10.147.132.10:8880/v1/scripts/774E9A523D82DBCBDE13:1483142400000:FPPmrMz8IurKQwVLV2UpfGR10AY

        Unable to find image 'rancher/agent:v1.2.6' locally

        v1.2.6: Pulling from rancher/agent

        b3e1c725a85f: Pull complete

        6a710864a9fc: Pull complete

        d0ac3b234321: Pull complete

        87f567b5cf58: Pull complete

        063e24b217c4: Pull complete

        d0a3f58caef0: Pull complete

        16914729cfd3: Pull complete

        2ce3828c0b9d: Pull complete

        7df47a98fc4b: Pull complete

        Digest: sha256:a68afd351c7417e6d66a77e97144113ceb7a9c3cdd46fb6e1fd5f5a5a33111cd

        Status: Downloaded newer image for rancher/agent:v1.2.6

         

        INFO: Running Agent Registration Process, CATTLE_URL=http://10.147.132.10:8880/v1

        INFO: Attempting to connect to: http://10.147.132.10:8880/v1

        INFO: http://10.147.132.10:8880/v1 is accessible

        INFO: Inspecting host capabilities

        INFO: Boot2Docker: false

        INFO: Host writable: true

        INFO: Token: xxxxxxxx

        INFO: Running registration

        INFO: Printing Environment

        INFO: ENV: CATTLE_ACCESS_KEY=0CB90B4247A136F6E43E

        INFO: ENV: CATTLE_AGENT_IP=10.147.132.10

        INFO: ENV: CATTLE_HOME=/var/lib/cattle

        INFO: ENV: CATTLE_REGISTRATION_ACCESS_KEY=registrationToken

        INFO: ENV: CATTLE_REGISTRATION_SECRET_KEY=xxxxxxx

        INFO: ENV: CATTLE_SECRET_KEY=xxxxxxx

        INFO: ENV: CATTLE_URL=http://10.147.132.10:8880/v1

        INFO: ENV: DETECTED_CATTLE_AGENT_IP=172.17.0.1

        INFO: ENV: RANCHER_AGENT_IMAGE=rancher/agent:v1.2.6

        INFO: Launched Rancher Agent: 4e3b1e4c2b4c33095ef550cbece626277b63783b012efe74ed2713df63cc925c

        Expand
        titleExample of validating rancher agent started

        $ docker ps
        CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
        64562118a30c rancher/etcd:v2.3.7-13 "/.r/r /opt/rancher/r" 1 seconds ago Up Less than a second r-kubernetes-etcd-1-b95cd471
        308b3fbf1882 rancher/net:holder "/.r/r /rancher-entry" 12 seconds ago Up 11 seconds r-ipsec-ipsec-1-9198fa8b
        523278d910f4 rancher/dns:v0.15.3 "/rancher-entrypoint." 12 seconds ago Up 11 seconds r-network-services-metadata-dns-1-2730cb6f
        8520cc50c5ff rancher/metadata:v0.9.4 "/rancher-entrypoint." 13 seconds ago Up 12 seconds r-network-services-metadata-1-53bf4aaf
        1f6dcb021f5b rancher/healthcheck:v0.3.3 "/.r/r /rancher-entry" 14 seconds ago Up 13 seconds r-healthcheck-healthcheck-1-3d14df58
        1d7ad141ceec rancher/network-manager:v0.7.8 "/rancher-entrypoint." 14 seconds ago Up 13 seconds r-network-services-network-manager-1-fdd38b68
        c7dfdde262d7 rancher/net:v0.11.9 "/rancher-entrypoint." 14 seconds ago Up 13 seconds r-ipsec-cni-driver-1-415b67fe
        64e2f05b0394 rancher/agent:v1.2.6 "/run.sh run" 20 seconds ago Up 19 seconds rancher-agent
        e3f1c2ce3234 rancher/server:v1.6.10 "/usr/bin/entry /usr/" 9 minutes ago Up 9 minutes 3306/tcp, 0.0.0.0:8880->8080/tcp pensive_goldberg
        $

    • Click on the Close button to close the Add Host page
  • Go to the Hosts page from INFRASTRUCTURE -> Hosts

    • You should see the newly added host:

      Expand
      titleExample of Hosts page with one node
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    • Image Added



3

Confirm that the host process has completed

The end of adding the host operation is indicated by the CLI option shown under the KUBERNETES dropdown menu:

Expand
titleExample of CLI option in KUBERNETES drop down
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Image Added


Configure Kubernetes Cluster Nodes

Repeat the following steps as many times as the number of nodes you are going to have in the Kubernetes cluster.

#PurposeCommand and Example
1

Add host name to /etc/hosts file

Adding all cluster nodes to /etc/hosts file on each node


sudo vi /etc/hosts

Expand
titleExample result of /etc/hosts file

$ more /etc/hosts

127.0.0.1 sdnc-k8s-2 localhost

...

10.147.132.10 sdnc-k8s

10.147.90.6 sdnc-k8s-2

2

Add host to INFRASTRUCTURE

See examples from step 2 of section "Configure Rancher Client"

  • Go to the Hosts page via INFRASTRUCTURE -> Hosts
  • Click on the AddHost button
  • In Add Host page:
    • Skip steps 1, 2, and 3 listed in the page
    • In step 4, fill in the blank with the server IP
    • In step 5:

      • Click the Copy to Clipboard button to copy the command and run it on the server

    • Click on the Close button to close the Add Host page
  • Go to the Hosts page from INFRASTRUCTURE -> Hosts

    • You should see the newly added host:

Image Removed

    • Image Added


3

Confirm that the Setup has Finished

Wait until all hosts in Rancher show green, indicating that setup is complete!