13.4. La préparation de votre compte AWS

$ export ZONE_ID=$(aws route53 list-hosted-zones-by-name --output json \
  --dns-name "${DOMAIN}." --query 'HostedZones[0]'.Id --out text | sed 's/\/hostedzone\///')

$ NLB_HOST=$(oc -n openshift-ingress get service/router-external-dns-ingress -ojsonpath="{.status.loadBalancer.ingress[0].hostname}")
$ cat << EOF > "${SCRATCH}/create-cname.json"
{
  "Comment":"Add CNAME to ingress controller canonical domain",
  "Changes":[{
      "Action":"CREATE",
      "ResourceRecordSet":{
        "Name": "router-external-dns-ingress.${DOMAIN}",
      "Type":"CNAME",
      "TTL":30,
      "ResourceRecords":[{
        "Value": "${NLB_HOST}"
      }]
    }
  }]
}
EOF

aws route53 change-resource-record-sets \
  --hosted-zone-id ${ZONE_ID} \
  --change-batch file://${SCRATCH}/create-cname.json

$ cat << EOF > "${SCRATCH}/external-dns-policy.json"
{
  "Version": "2012-10-17",
  "Statement": [
    {
      "Effect": "Allow",
      "Action": [
        "route53:ChangeResourceRecordSets"
      ],
      "Resource": [
        "arn:aws:route53:::hostedzone/${ZONE_ID}"
      ]
    },
    {
      "Effect": "Allow",
      "Action": [
        "route53:ListHostedZones",
        "route53:ListResourceRecordSets"
      ],
      "Resource": [
        "*"
      ]
    }
  ]
}
EOF

$ aws iam create-user --user-name "${CLUSTER}-external-dns-operator"

$ aws iam attach-user-policy --user-name "${CLUSTER}-external-dns-operator" --policy-arn $POLICY_ARN

$ SECRET_ACCESS_KEY=$(aws iam create-access-key --user-name "${CLUSTER}-external-dns-operator")

$ cat << EOF > "${SCRATCH}/credentials"
[default]
aws_access_key_id = $(echo $SECRET_ACCESS_KEY | jq -r '.AccessKey.AccessKeyId')
aws_secret_access_key = $(echo $SECRET_ACCESS_KEY | jq -r '.AccessKey.SecretAccessKey')
EOF