OCI CLIでプロキシ使用 - HTN20190109の日記

https://qiita.com/dingtianhongjie/items/485c8abf7b3af9529f69

https://qiita.com/shirok/items/dc3908c85b6bd448fed9

前提:
subnet01,vm01,sl01,rt01,パブリックサブネット
subnet02,vm02,sl02,rt02,プライベートサブネット,サービス・ゲートウェイのみ

subnet01～subnet02間の全通信許可

vm01にsquidをインストールし、vm02からプロキシ経由でociコマンド実行

-- 1. VCN作成

mkdir ashburn
cd ashburn

cat <<-'EOF' > variables.tf

locals {
tenancy_ocid = "ocid1.tenancy.oc1..111111111111111111111111111111111111111111111111111111111111"
# MYIP
myip = "192.0.2.1/32"

}

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"
}

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"
}

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_route_table" "rt02" {
#Required
compartment_id = oci_identity_compartment.cmp01.id
vcn_id = oci_core_vcn.vcn01.id

#Optional
display_name = "rt02"
# route_rules {
# #Required
# network_entity_id = oci_core_service_gateway.sgw01.id
# #Optional
# destination = "all-iad-services-in-oracle-services-network"
# destination_type = "SERVICE_CIDR_BLOCK"
# }

}

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 = local.myip
stateless = false
tcp_options {
max = 22
min = 22
}
}
ingress_security_rules {
protocol = "all"
source = "10.0.2.0/24"
stateless = false
}
}

resource "oci_core_security_list" "sl02" {
#Required
compartment_id = oci_identity_compartment.cmp01.id
vcn_id = oci_core_vcn.vcn01.id

#Optional
display_name = "sl02"

egress_security_rules {
destination = "0.0.0.0/0"
protocol = "all"
stateless = false
}

ingress_security_rules {
protocol = "all"
source = "10.0.1.0/24"
stateless = false
}
}

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.rt02.id
security_list_ids = [oci_core_security_list.sl02.id]
}

EOF

cat <<-'EOF' > instance.tf

resource "oci_core_instance" "vm01" {
#Required
availability_domain = "OEIw:US-ASHBURN-AD-1"
compartment_id = oci_identity_compartment.cmp01.id
shape = "VM.Standard.E2.1"

#Optional

create_vnic_details {
#Optional
assign_public_ip = true
subnet_id = oci_core_subnet.subnet01.id
}

display_name = "vm01"

metadata = {
ssh_authorized_keys = file("~/.ssh/id_rsa.pub")
}

source_details {
#Required
source_id = "ocid1.image.oc1.iad.111111111111111111111111111111111111111111111111111111111111"
source_type = "image"

#Optional
boot_volume_size_in_gbs = 50
}
preserve_boot_volume = false
}

resource "oci_core_instance" "vm02" {
#Required
availability_domain = "OEIw:US-ASHBURN-AD-1"
compartment_id = oci_identity_compartment.cmp01.id
shape = "VM.Standard.E2.1"

#Optional

create_vnic_details {
#Optional
assign_public_ip = false
subnet_id = oci_core_subnet.subnet02.id
}

display_name = "vm02"

metadata = {
ssh_authorized_keys = file("~/.ssh/id_rsa.pub")
}

source_details {
#Required
source_id = "ocid1.image.oc1.iad.111111111111111111111111111111111111111111111111111111111111"
source_type = "image"

#Optional
boot_volume_size_in_gbs = 50
}
preserve_boot_volume = false
}

EOF

cat <<-'EOF' > bucket.tf

data "oci_objectstorage_namespace" "ns01" {
compartment_id = local.tenancy_ocid
}

resource "oci_objectstorage_bucket" "bucket01" {
#Required
compartment_id = oci_identity_compartment.cmp01.id
name = "bucket01"
namespace = data.oci_objectstorage_namespace.ns01.namespace

#Optional
access_type = "NoPublicAccess"
auto_tiering = "Disabled"
object_events_enabled = false
storage_tier = "Standard"
versioning = "Disabled"

}

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

output "rt01_id" {
value = oci_core_route_table.rt01.id
description = "rt01.id"
}
output "rt02_id" {
value = oci_core_route_table.rt02.id
description = "rt02.id"
}

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

output "sl02_id" {
value = oci_core_security_list.sl02.id
description = "sl02.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 "vm01_id" {
value = oci_core_instance.vm01.id
description = "vm01.id"
}

output "vm02_id" {
value = oci_core_instance.vm02.id
description = "vm02.id"
}

output "vm01_public_ip" {
value = oci_core_instance.vm01.public_ip
description = "vm01.public_ip"
}

output "vm01_private_ip" {
value = oci_core_instance.vm01.private_ip
description = "vm01.private_ip"
}

output "vm02_private_ip" {
value = oci_core_instance.vm02.private_ip
description = "vm02.private_ip"
}

EOF

terraform init
terraform fmt
terraform -version

terraform plan

terraform apply -auto-approve

-- 2. 動的グループ作成

oci iam dynamic-group list

oci iam dynamic-group create \
--description dg01 \
--matching-rule "Any {instance.compartment.id = 'ocid1.compartment.oc1..111111111111111111111111111111111111111111111111111111111111'}" \
--name dg01

-- 3. 動的グループポリシー作成

oci iam policy list \
--compartment-id ocid1.tenancy.oc1..111111111111111111111111111111111111111111111111111111111111

oci iam policy create \
--compartment-id ocid1.tenancy.oc1..111111111111111111111111111111111111111111111111111111111111 \
--description policy11 \
--name policy11 \
--statements '[
"Allow dynamic-group dg01 to manage all-resources in tenancy"
]'

-- 4. OCIインストール

-- 4.1 vm01からvm02にログイン

scp -i $HOME/.ssh/id_rsa $HOME/.ssh/id_rsa opc@192.0.2.2:/home/opc
scp -i $HOME/.ssh/id_rsa oci-cli-3.39.0-Oracle-Linux-9-Offline.zip opc@192.0.2.2:/home/opc

ssh -i $HOME/.ssh/id_rsa opc@192.0.2.2

scp -i $HOME/id_rsa oci-cli-3.39.0-Oracle-Linux-9-Offline.zip opc@10.0.2.166:/home/opc

ssh -i $HOME/id_rsa opc@10.0.2.166

-- 4.2 vm02からインターネットアクセスできないことを確認

curl --connect-timeout 10 https://www.oracle.com/

-- 4.3 OCIインストール (vm02での作業)

unzip oci-cli-3.39.0-Oracle-Linux-9-Offline.zip

cd oci-cli-installation

bash install.sh --offline-install
exec -l $SHELL
oci -v

-- 5. squidインストール (vm01での作業)

sudo su -
dnf install squid

cp /etc/squid/squid.conf /etc/squid/squid.conf.org

cat <<-'EOF' > /etc/squid/squid.conf

# should be allowed
acl localnet src 10.0.0.0/16

# Squid normally listens to port 3128
http_port 3128

# Wite List
acl whitelist dstdomain "/etc/squid/whitelist"
http_access allow whitelist

EOF

cat <<-'EOF' > /etc/squid/whitelist

objectstorage.us-ashburn-1.oraclecloud.com
auth.us-ashburn-1.oraclecloud.com

EOF

systemctl restart squid
systemctl status squid
systemctl enable squid

systemctl stop firewalld
systemctl status firewalld
systemctl disable firewalld

tail -f /var/log/squid/access.log

-- 6. 動作確認 (vm02での作業)
export OCI_CLI_AUTH=instance_principal

インスタンスプリンシパル反映まで時間がかかる場合あり

oci os object list \
--bucket-name bucket01 \
--region us-ashburn-1

export https_proxy="http://10.0.1.237:3128"

oci os object list \
--bucket-name bucket01 \
--region us-ashburn-1

-- 7. クリーンアップ

oci iam policy list \
--compartment-id ocid1.tenancy.oc1..111111111111111111111111111111111111111111111111111111111111

oci iam policy delete \
--policy-id ocid1.policy.oc1..111111111111111111111111111111111111111111111111111111111111 \
--force

oci iam dynamic-group list

oci iam dynamic-group delete \
--dynamic-group-id ocid1.dynamicgroup.oc1..111111111111111111111111111111111111111111111111111111111111 \
--force

terraform destroy -auto-approve