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1. Create a user group groupadd clusteradmins.

2. Add a new user.

   Code Block
   language bash
   adduser dcadmin -g clusteradmins -p datacore  passwd dcadmin

3. Update CentOS and install EPEL.

   Code Block
   language bash
   yum -y update yum -y install epel-release

4. Install NTP server and verify NTP starts on the system boot.

   Code Block
   language bash
   yum -y install chrony  systemctl enable chronyd  systemctl start chronyd

5. Install Java 8 JDK yum -y install java-1.8.0-openjdk.

6. Configure the firewall to allow Swarm Gateway vi /usr/lib/firewalld/services/swarm_gateway.xml.

   Code Block
   language xml
   <?xml version="1.0" encoding="utf-8"?>  <service>    <short>SwarmGateway</short>    <description>Gateway server, which is based on http traffic.</description>    <port protocol="tcp" port="80"/>    <port protocol="tcp" port="91"/>    <port protocol="tcp" port="8090"/>    <port protocol="tcp" port="9100"/>  </service>

7. Restart the firewall service.

8. Add Swarm Gateway firewall rule (permanent) via firewall-cmd --permanent --add-service swarm_gateway command.

9. Reload the firewall service firewall-cmd --reload.

10. Unzip Swarm 14.0 bundle package to /root/datacore.

11. Get the latest gateway and UI RPMs from the downloaded Swarm bundle.

    Code Block
    language bash
    ll ~/datacore/Gateway/  total 57352 -rw-r--r--. 1 root root 58718208 Dec 16 22:37 caringo-gateway-7.8.0-1.noarch.rpm  -rw-r--r--. 1 root root      395 Dec 16 22:37 README.txt  -rw-r--r--. 1 root root     1927 Oct  2 04:17 RPM-GPG-KEY ll ~/datacore/UI/  total 21616  -rw-r--r--. 1 root root  2835590 Oct  2 04:17 caringo-gateway-webui-7.5.0-1.noarch.rpm  -rw-r--r--. 1 root root 19286001 Dec 16 22:37 caringo-storage-webui-3.4.0-1.noarch.rpm  -rw-r--r--. 1 root root      359 Dec 16 22:37 README.txt  -rw-r--r--. 1 root root     1927 Oct  2 04:17 RPM-GPG-KEY

12. Install Swarm RPM public key included with the distribution bundle using rpm –import --import RPM-GPG-KEY.

13. Install Cloud Gateway components yum -y install caringo-gateway-7.8.0-1.noarch.rpm.

14. Complete the IDSYS document for PAM user authentication vi /etc/caringo/cloudgateway/idsys.json. 

    Code Block
    language json
    {"pam": {    "name" : "idsys-pam",    "description": "PAM identity management configuration",    "cookieName": "token",    "tokenPath":  "/.TOKEN/",    "tokenAdmin": "dcadmin@" }}

15. Complete policy document for the access control vi /etc/caringo/cloudgateway/policy.json.

    Code Block
    language json
    {    "Id": "Root policy -- grant admins full access to everything",    "Statement": [      { "Sid": "Grant admins full access",        "Resource": "*",        "Principal": {          "user": ["dcadmin@"],          "group": ["clusteradmins@"]        },        "Action": [ "*" ],        "Effect": "Allow"      }    ]  }

16. Install Gateway WebUI yum -y install caringo-gateway-webui-7.5.0-1.noarch.rpm.

17. Edit Cloud Gateway configure file /etc/caringo/cloudgateway/gateway.cfg.

    1. Set adminDomain for the administrative domain name to be created. It is recommended to always set a unique name for each Swarm cluster to prevent replication collision between Source and Target Swarm Cluster when using replication feeds. Set a unique name for each Swarm cluster to prevent replication collision.

    2. Set hosts for the storage cluster nodes (IP address of storage nodes).

    3. Set indexerHosts to Elasticsearch Servers (IP address of Elasticsearch nodes).

    4. Enable S3.

    5. EnableCluster Admin on the gateway server to allow usage of the Swarm Storage UI.

    6. Set Management Port to 91. The admin user and password must be the same as configured in SCS.

       1. Set managementUser to the same value as admin.username

       2. Set managementPassword to the same value as admin.password

          Code Block
          language bash
          # Following are only needed when enabling cluster_admin  managementPort = 91  managementUser = dcadmin  managementPassword = datacore

    7. Enable metering.

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