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A.2. Deploying the Containers

Execute the following commands to deploy the Red Hat Gluster Storage container on the nodes:
  1. List out the hostnames of the nodes on which the Red Hat Gluster Storage container has to be deployed: 
    # oc get nodes
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    For example: 
    # oc get nodes

NAME                    STATUS                     AGE
node1.example.com       Ready                      12d
node2.example.com       Ready                      12d
node3.example.com       Ready                      12d
master.example.com      Ready,SchedulingDisabled   12d
    Copy to Clipboard Toggle word wrap
  2. Execute the following command to label all nodes that will run Red Hat Gluster Storage pods: 
    # oc label node <NODENAME> storagenode=glusterfs
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    For example: 
    # oc label nodes 192.168.90.3 storagenode=glusterfs
node "192.168.90.3" labeled
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    Repeat this command for every node that will be in the GlusterFS cluster.
    Verify the label has set properly by running the following command: 
    # oc get nodes --show-labels
192.168.90.2   Ready                      12d   beta.kubernetes.io/arch=amd64,beta.kubernetes.io/os=linux,kubernetes.io/hostname=192.168.90.2,storagenode=glusterfs
192.168.90.3   Ready                      12d   beta.kubernetes.io/arch=amd64,beta.kubernetes.io/os=linux,kubernetes.io/hostname=192.168.90.3,storagenode=glusterfs
192.168.90.4   Ready                      12d   beta.kubernetes.io/arch=amd64,beta.kubernetes.io/os=linux,kubernetes.io/hostname=192.168.90.4,storagenode=glusterfs
192.168.90.5   Ready,SchedulingDisabled   12d   beta.kubernetes.io/arch=amd64,beta.kubernetes.io/os=linux,kubernetes.io/hostname=192.168.90.5
    Copy to Clipboard Toggle word wrap
  3. Execute the following command to deploy the Red Hat Gluster Storage pods: 
    # oc process glusterfs | oc create -f -
daemonset "glusterfs" created
    Copy to Clipboard Toggle word wrap

    Note

    This does not initialize the hardware or create trusted storage pools. That aspect will be taken care by heketi which is explained in the further steps.
  4. Execute the following command to grant the heketi Service Account the neccessary privileges: 
    # oc policy add-role-to-user edit system:serviceaccount:<project_name>:heketi-service-account
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    For example: 
    # oc policy add-role-to-user edit system:serviceaccount:storage-project:heketi-service-account
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  5. Execute the following command to determine the mountable secret you should use for the heketi pods: 
    # oc describe sa heketi-service-account
Name:                  heketi-service-account
Namespace:             storage-project
Labels:                none

Image pull secrets:    heketi-service-account-dockercfg-jmxyz

Mountable secrets:     heketi-service-account-dockercfg-jmxyz
                       heketi-service-account-token-fvhmb

Tokens:                heketi-service-account-token-fvhmb
                       heketi-service-account-token-lzifj
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    You should select a secret that is mountable, in your project namespace, and of type kubernetes.io/service-account-token . You can use the following command to inspect a given secret: 
    # oc describe secret <secret name>
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    For example: 
    # oc describe secret heketi-service-account-token-fvhmb
Name:          heketi-service-account-token-fvhmb
Namespace:     storage-project
Labels:        none
Annotations:   kubernetes.io/service-account.name=heketi-service-account
               kubernetes.io/service-account.uid=3afe5e84-c863-11e6-8736-525400556335
Type:          kubernetes.io/service-account-token

Data
====
ca.crt:          1070 bytes
namespace:       4 bytes
service-ca.crt:  2186 bytes
token: eyJhbGciOiJSUzI1NiIsInR5cCI6IkpXVCJ9.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.OesojdalmQ9pAGR6CQ03vJizrVOGTrKYwvzVbEsms422YkJ1vFLI0idlA3Sxw3C_ZXamOEidYfD7n5A8099qjSyfbEhSZDpaYDfpH-o5gnyjNFpuBkZwPGE9KAEmStOGMtNhO-xAEtrD0UkHtDvy8JKnlrzMStP7NCfpGLL36X4qMx9exL3WGlWcth0kV0mGb3m-NWxr2w7twZK8xP-N8sMbdyD4s-N8naEBxBGAbNxufBBj6FXzzQSg5d1vIYls_ZgqbZV9Dn7fz9aB_GD9UfxI42EER8bzpobyNhxmu5GFfhX1TqE0kqfq1GR7P_Y6TuXrP2aYKPcR9ngZ56grLA
    Copy to Clipboard Toggle word wrap
  6. Execute the following command to deploy heketi: 
    # oc process deploy-heketi -v \
    HEKETI_KUBE_NAMESPACE=<Project name> \
    HEKETI_KUBE_APIHOST='<OpenShift master endpoint address>' \
    HEKETI_KUBE_SECRETNAME=<heketi-service-account secret> | oc create -f -
    Copy to Clipboard Toggle word wrap
    For example: 
    # oc process deploy-heketi -v \
    HEKETI_KUBE_NAMESPACE=storage-project \
    HEKETI_KUBE_APIHOST='https://master.example.com:8443' \
    HEKETI_KUBE_INSECURE=y \
    HEKETI_KUBE_SECRETNAME=heketi-service-account-token-fvhmb | oc create -f -

service "deploy-heketi" created
route "deploy-heketi" created
deploymentconfig "deploy-heketi" created
    Copy to Clipboard Toggle word wrap
  7. Execute the following command to verify that the containers are running: 
    # oc get pods
    Copy to Clipboard Toggle word wrap
    For example: 
    # oc get pods
NAME                    READY     STATUS    RESTARTS   AGE
storage-project-router-1-pj9ea     1/1       Running   0          1d
deploy-heketi-1-m7x8g   1/1       Running   0          1m
glusterfs-41lfl         1/1       Running   0          1m
glusterfs-dtyr4         1/1       Running   0          1m
glusterfs-ral2d         1/1       Running   0          1m
    Copy to Clipboard Toggle word wrap
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