{OCI コンピュート} インスタンスのCPU数変更

 

https://docs.oracle.com/ja-jp/iaas/Content/Compute/References/computeshapes.htm

 


-- 1. terraformによるVPC構築


cat <<-'EOF' > variables.tf

locals {
  tenancy_ocid = "ocid1.tenancy.oc1..111111111111111111111111111111111111111111111111111111111111"

}

variable "compartment_name" {
  description = "compartment_name"
  type = string
  default = "cmp01"
}

EOF

 

cat <<-'EOF' > main.tf

terraform {
  required_version = ">= 1.0.0, < 2.0.0"
  required_providers {
    oci = {
       source  = "hashicorp/oci"
       version = "= 5.23.0"
    }
  }
}

provider "oci" {
  tenancy_ocid = local.tenancy_ocid
  user_ocid = "ocid1.user.oc1..111111111111111111111111111111111111111111111111111111111111" 
  private_key_path = "~/.oci/oci_api_key.pem"
  fingerprint = "45:ed:22:e6:cc:fd:63:97:12:9d:62:7a:90:12:65:7a"
  region = "us-ashburn-1"
}


resource "oci_identity_compartment" "cmp01" {
    # Required
    compartment_id = local.tenancy_ocid
    description = var.compartment_name
    name = var.compartment_name
    
    enable_delete = true
}

resource "oci_core_vcn" "vcn01" {
    #Required
    compartment_id = oci_identity_compartment.cmp01.id

    #Optional
    cidr_block = "10.0.0.0/16"
    display_name = "vcn01"
    dns_label = "vcn01"

}


resource "oci_core_internet_gateway" "igw01" {
    #Required
    compartment_id = oci_identity_compartment.cmp01.id
    vcn_id = oci_core_vcn.vcn01.id

    #Optional
    enabled = true
    display_name = "igw01"
}

resource "oci_core_route_table" "rt01" {
    #Required
    compartment_id = oci_identity_compartment.cmp01.id
    vcn_id = oci_core_vcn.vcn01.id

    #Optional
    display_name = "rt01"
    route_rules {
        #Required
        network_entity_id = oci_core_internet_gateway.igw01.id
        #Optional
        destination = "0.0.0.0/0"
    }
    
}


resource "oci_core_security_list" "sl01" {
    #Required
    compartment_id = oci_identity_compartment.cmp01.id
    vcn_id = oci_core_vcn.vcn01.id

    #Optional
    display_name = "sl01"
    
    egress_security_rules {
        destination = "0.0.0.0/0"
        protocol = "all"
        stateless = false
    }
    
    ingress_security_rules {
        protocol = "6"
        source = "0.0.0.0/0"
        stateless = false
        tcp_options {
            max = 22
            min = 22
        }
    }
    ingress_security_rules {
        protocol = "6"
        source = "0.0.0.0/0"
        stateless = false
        tcp_options {
            max = 1521
            min = 1521
        }
    }
}

 

resource "oci_core_subnet" "subnet01" {
    #Required
    cidr_block = "10.0.1.0/24"
    compartment_id = oci_identity_compartment.cmp01.id
    vcn_id = oci_core_vcn.vcn01.id

    #Optional

    display_name = "subnet01"
    dns_label = "subnet01"
    route_table_id = oci_core_route_table.rt01.id
    security_list_ids = [oci_core_security_list.sl01.id]
}

resource "oci_core_subnet" "subnet02" {
    #Required
    cidr_block = "10.0.2.0/24"
    compartment_id = oci_identity_compartment.cmp01.id
    vcn_id = oci_core_vcn.vcn01.id

    #Optional

    display_name = "subnet02"
    dns_label = "subnet02"
    route_table_id = oci_core_route_table.rt01.id
    security_list_ids = [oci_core_security_list.sl01.id]
}


resource "oci_core_nat_gateway" "ngw01" {
    #Required
    compartment_id = oci_identity_compartment.cmp01.id
    vcn_id = oci_core_vcn.vcn01.id

    #Optional
    block_traffic = false
    display_name = "ngw01"
}


data "oci_core_services" "svc01" {
  filter {
    name   = "name"
    values = ["All .* Services In Oracle Services Network"]
    regex  = true
  }
}


resource "oci_core_service_gateway" "sgw01" {
    #Required
    compartment_id = oci_identity_compartment.cmp01.id
    services {
        #Required
        service_id = data.oci_core_services.svc01.services.0.id
    }
    vcn_id = oci_core_vcn.vcn01.id

    #Optional
    display_name = "sgw01"
}


EOF

 

cat <<-'EOF' > outputs.tf

output "cmp01_id" {
  value = oci_identity_compartment.cmp01.id
  description = "cmp01.id"
}

output "vcn01_id" {
  value = oci_core_vcn.vcn01.id
  description = "vcn01.id"
}

output "igw01_id" {
  value = oci_core_internet_gateway.igw01.id
  description = "igw01.id"
}
output "rt01_id" {
  value = oci_core_route_table.rt01.id
  description = "rt01.id"
}

output "sl01_id" {
  value = oci_core_security_list.sl01.id
  description = "sl01.id"
}

output "subnet01_id" {
  value = oci_core_subnet.subnet01.id
  description = "subnet01.id"
}
output "subnet02_id" {
  value = oci_core_subnet.subnet02.id
  description = "subnet02.id"
}

output "ngw01_id" {
  value = oci_core_nat_gateway.ngw01.id
  description = "ngw01.id"
}

output "svc01_id" {
  value = data.oci_core_services.svc01.services.0.id
  description = "svc01.id"
}

output "sgw01_id" {
  value = oci_core_service_gateway.sgw01.id
  description = "sgw01.id"
}

EOF

 


terraform init
terraform fmt
terraform -version

# export TF_VAR_compartment_name=cmp01


terraform plan

 

terraform apply -auto-approve


# terraform destroy -auto-approve

 


-- 2. インスタンス作成

oci compute image list \
--compartment-id ocid1.compartment.oc1..111111111111111111111111111111111111111111111111111111111111 \
--all \
--query 'data.{"operating-system":"operating-system","operating-system-version":"operating-system-version","display-name":"display-name"}' \
--output=table


oci compute image list \
--compartment-id ocid1.compartment.oc1..111111111111111111111111111111111111111111111111111111111111 \
--all \
--query 'data[?"display-name"==`'Oracle-Linux-9.4-aarch64-2024.09.30-0'`].id | [0]' \
--raw-output

 

oci compute instance launch --generate-full-command-json-input
oci compute instance launch --generate-param-json-input shape-config

oci compute instance launch \
--compartment-id ocid1.compartment.oc1..111111111111111111111111111111111111111111111111111111111111 \
--availability-domain OEIw:US-ASHBURN-AD-1 \
--subnet-id ocid1.subnet.oc1.iad.111111111111111111111111111111111111111111111111111111111111 \
--assign-public-ip true \
--boot-volume-size-in-gbs 50 \
--display-name vm01 \
--fault-domain FAULT-DOMAIN-1 \
--image-id ocid1.image.oc1.iad.111111111111111111111111111111111111111111111111111111111111 \
--ssh-authorized-keys-file "$HOME/.ssh/id_rsa.pub" \
--shape VM.Standard.A1.Flex \
--shape-config '{
    "memoryInGBs": 1.0,
    "ocpus": 1.0,
    "vcpus": 1
  }' 

 


oci compute instance list \
--compartment-id ocid1.compartment.oc1..111111111111111111111111111111111111111111111111111111111111 \
--query 'data.{"display-name":"display-name","id":"id","lifecycle-state":"lifecycle-state"}' \
--output table


oci compute instance terminate \
--instance-id ocid1.instance.oc1.iad.111111111111111111111111111111111111111111111111111111111111 \
--force

 

-- 3. CPU数変更

CPU数変更時、OS再起動が実行される

while true ; do
  ssh -i $HOME/.ssh/id_rsa opc@192.0.2.1 uname -n
  date
  sleep 3
done

1vcpu -> 2vcpu

oci compute instance update \
--instance-id ocid1.instance.oc1.iad.111111111111111111111111111111111111111111111111111111111111 \
--force \
--shape-config '{
    "memoryInGBs": 2.0,
    "ocpus": 2.0
  }' 

 

2vcpu -> 1vcpu

oci compute instance update \
--instance-id ocid1.instance.oc1.iad.111111111111111111111111111111111111111111111111111111111111 \
--force \
--shape-config '{
    "memoryInGBs": 1.0,
    "ocpus": 1.0
  }'