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4.0.0 - April 28, 2022
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| New in SAS Viya 2021.2.6: the connect workload class is no longer required. For more information, see [Connect Workload Class Changes](https://go.documentation.sas.com/doc/en/itopscdc/v_026/itopswn/n0jh2fbifqgoksn1uou9p2zgbzdy.htm#p15778dvqwzjtgn1e95nq9v0y1wv). | ||
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| To deploy SAS Viya 2021.2.6 and later, use the most recent version of SAS Viya 4 Infrastructure as Code. The default settings do not create a connect node pool. If your current software order has a requirement for the connect node pool, you can use the connect node pool example file in `examples/sample-input-connect.tfvars`. | ||
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| If you are updating SAS Viya to version 2021.2.6, take some additional steps to remove the connect nodes. | ||
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| 1. Perform the update by following the steps in the [SAS Viya documentation](https://go.documentation.sas.com/doc/en/itopscdc/default/k8sag/p043aa4ghwwom6n1beyfifdgkve7.htm). | ||
| 2. When the update to 2021.2.6 has completed successfully, edit the sample-input-*.tfvars to scale down the connect node pool. Change `min_nodes` and `max_nodes` to 0: | ||
| ``` | ||
| connect = { | ||
| "vm_type" = "m5.8xlarge" | ||
| "os_disk_type" = "gp2" | ||
| "os_disk_size" = 200 | ||
| "os_disk_iops" = 0 | ||
| "min_nodes" = 0 | ||
| "max_nodes" = 0 | ||
| "node_taints" = ["workload.sas.com/class=connect:NoSchedule"] | ||
| "node_labels" = { | ||
| "workload.sas.com/class" = "connect" | ||
| "launcher.sas.com/prepullImage" = "sas-programming-environment" | ||
| } | ||
| "custom_data" = "" | ||
| "metadata_http_endpoint" = "enabled" | ||
| "metadata_http_tokens" = "required" | ||
| "metadata_http_put_response_hop_limit" = 1 | ||
| }, | ||
| ``` | ||
| 3. Run `terraform apply` using your edited tfvars file. |
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| # !NOTE! - These are only a subset of the variables in CONFIG-VARS.md provided | ||
| # as examples. Customize this file to add any variables from CONFIG-VARS.md whose | ||
| # default values you want to change. | ||
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| # **************** REQUIRED VARIABLES **************** | ||
| # These required variables' values MUST be provided by the User | ||
| prefix = "<prefix-value>" | ||
| location = "<aws-location-value>" # e.g., "us-east-1" | ||
| # **************** REQUIRED VARIABLES **************** | ||
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| # !NOTE! - Without specifying your CIDR block access rules, ingress traffic | ||
| # to your cluster will be blocked by default. | ||
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| # ************** RECOMMENDED VARIABLES *************** | ||
| default_public_access_cidrs = [] # e.g., ["123.45.6.89/32"] | ||
| ssh_public_key = "~/.ssh/id_rsa.pub" | ||
| # ************** RECOMMENDED VARIABLES *************** | ||
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| # Tags for all tagable items in your cluster. | ||
| tags = { } # e.g., { "key1" = "value1", "key2" = "value2" } | ||
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| # Postgres config - By having this entry a database server is created. If you do not | ||
| # need an external database server remove the 'postgres_servers' | ||
| # block below. | ||
| postgres_servers = { | ||
| default = {}, | ||
| } | ||
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| ## Cluster config | ||
| kubernetes_version = "1.21" | ||
| default_nodepool_node_count = 2 | ||
| default_nodepool_vm_type = "m5.2xlarge" | ||
| default_nodepool_custom_data = "" | ||
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| ## General | ||
| efs_performance_mode = "maxIO" | ||
| storage_type = "standard" | ||
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| ## Cluster Node Pools config | ||
| node_pools = { | ||
| cas = { | ||
| "vm_type" = "m5.2xlarge" | ||
| "os_disk_type" = "gp2" | ||
| "os_disk_size" = 200 | ||
| "os_disk_iops" = 0 | ||
| "min_nodes" = 1 | ||
| "max_nodes" = 5 | ||
| "node_taints" = ["workload.sas.com/class=cas:NoSchedule"] | ||
| "node_labels" = { | ||
| "workload.sas.com/class" = "cas" | ||
| } | ||
| "custom_data" = "" | ||
| "metadata_http_endpoint" = "enabled" | ||
| "metadata_http_tokens" = "required" | ||
| "metadata_http_put_response_hop_limit" = 1 | ||
| }, | ||
| compute = { | ||
| "vm_type" = "m5.8xlarge" | ||
| "os_disk_type" = "gp2" | ||
| "os_disk_size" = 200 | ||
| "os_disk_iops" = 0 | ||
| "min_nodes" = 1 | ||
| "max_nodes" = 5 | ||
| "node_taints" = ["workload.sas.com/class=compute:NoSchedule"] | ||
| "node_labels" = { | ||
| "workload.sas.com/class" = "compute" | ||
| "launcher.sas.com/prepullImage" = "sas-programming-environment" | ||
| } | ||
| "custom_data" = "" | ||
| "metadata_http_endpoint" = "enabled" | ||
| "metadata_http_tokens" = "required" | ||
| "metadata_http_put_response_hop_limit" = 1 | ||
| }, | ||
| connect = { | ||
| "vm_type" = "m5.8xlarge" | ||
| "os_disk_type" = "gp2" | ||
| "os_disk_size" = 200 | ||
| "os_disk_iops" = 0 | ||
| "min_nodes" = 1 | ||
| "max_nodes" = 5 | ||
| "node_taints" = ["workload.sas.com/class=connect:NoSchedule"] | ||
| "node_labels" = { | ||
| "workload.sas.com/class" = "connect" | ||
| "launcher.sas.com/prepullImage" = "sas-programming-environment" | ||
| } | ||
| "custom_data" = "" | ||
| "metadata_http_endpoint" = "enabled" | ||
| "metadata_http_tokens" = "required" | ||
| "metadata_http_put_response_hop_limit" = 1 | ||
| }, | ||
| stateless = { | ||
| "vm_type" = "m5.4xlarge" | ||
| "os_disk_type" = "gp2" | ||
| "os_disk_size" = 200 | ||
| "os_disk_iops" = 0 | ||
| "min_nodes" = 1 | ||
| "max_nodes" = 5 | ||
| "node_taints" = ["workload.sas.com/class=stateless:NoSchedule"] | ||
| "node_labels" = { | ||
| "workload.sas.com/class" = "stateless" | ||
| } | ||
| "custom_data" = "" | ||
| "metadata_http_endpoint" = "enabled" | ||
| "metadata_http_tokens" = "required" | ||
| "metadata_http_put_response_hop_limit" = 1 | ||
| }, | ||
| stateful = { | ||
| "vm_type" = "m5.4xlarge" | ||
| "os_disk_type" = "gp2" | ||
| "os_disk_size" = 200 | ||
| "os_disk_iops" = 0 | ||
| "min_nodes" = 1 | ||
| "max_nodes" = 3 | ||
| "node_taints" = ["workload.sas.com/class=stateful:NoSchedule"] | ||
| "node_labels" = { | ||
| "workload.sas.com/class" = "stateful" | ||
| } | ||
| "custom_data" = "" | ||
| "metadata_http_endpoint" = "enabled" | ||
| "metadata_http_tokens" = "required" | ||
| "metadata_http_put_response_hop_limit" = 1 | ||
| } | ||
| } | ||
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| # Jump Server | ||
| create_jump_vm = true |
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