What will the future of Terraform be?
Use a string that allows you to identify the purpose or type of resources by their names. For example, if you want to use the Terraform configuration to set up a test or staging environment, you should use the prefix or.
The ID of the region "US East (Ashburn)" is e.g. B.
A NAT gateway is required if any of the private compute instances (such as admin host or Kubernetes employee nodes) need to access hosts on the public internet.
A service gateway is required if the compute instances in VCN need to access other Oracle services such as Oracle Cloud Infrastructure Object Storage.
The standard is. The allowable range is to
The name given here is prepended to form the DNS domain name of VCN. Example: If you specify as a prefix, the DNS domain name would be from VCN
Example: To make the bastion host available in the second availability domain, set this variable to.
If the region contains only one availability domain, keep this variable at the default value.
To allow SSH access from any host (), leave the variable at the default value.
If you leave this variable at the default value, an Oracle Autonomous Linux image will be used.
When set to, this variable will be unavailable for a short period of time after the bastion host is provisioned during the security package upgrade. However, enabling this upgrade will minimize the security vulnerabilities of the bastion host.
- The size of the subnet is determined with. This is the difference between the VCN netmask and the netmask you need for the bastion subnet.
Example: If you want to create a subnet with the netmask in a - VCN, enter the value of (i.e. minus).
A lower value leads to a subnet with a larger address space.
- is used to determine the boundaries of the subnet. This is the zero-based index of the subnet if the network is masked with.
With the previous example, if you specify and, the function returns the CIDR prefix of the subnet that is the first address space within the VCN.
- Bastion subnet: (available addresses: to, i.e. 5 hosts)
- Admin subnet: (for; 5 hosts)
If you need subnets that have different addresses or sizes than the default settings, you should determine the appropriate values for and. To do this, you need basic knowledge of the IP addresses to be passed through. For more information on the function, see the Terraform documentation.
Note:The Terraform code in this solution only configures notifications when using the Oracle Autonomous Linux default image.
This value is used to create the command that will allow you to access the bastion host. The command will appear in the output when you apply the Terraform configuration. Note that Terraform does not read or copy the private key.
If you leave this variable at the default value, an Oracle-supplied Linux image will be used.
If this variable is set to, it will be unavailable for a short period of time after the admin host is provisioned during the security package upgrade. However, enabling this upgrade will minimize the security vulnerabilities of the Admin Host.
Note:Anyone who can log in to a compute instance using SSH inherits the instance principal's permissions that are assigned to the instance. Keep this in mind when deciding whether to specify the Admin Host as the Instance Principal. You can turn this feature off or on at any time without affecting the admin host.
If you set this variable to, the Admin Host becomes a member of a dynamic group and a policy statement is created that allows the dynamic group to manage all resources in the compartment.
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