1.3. 可観測性サービスの有効化

export POLICY_VERSION=$(date +"%m-%d-%y")
export TRUST_POLICY_VERSION=$(date +"%m-%d-%y")
export CLUSTER_NAME=<my-cluster>
export S3_BUCKET=$CLUSTER_NAME-acm-observability
export REGION=us-east-2
export NAMESPACE=open-cluster-management-observability
export SA=tbd
export SCRATCH_DIR=/tmp/scratch
export OIDC_PROVIDER=$(oc get authentication.config.openshift.io cluster -o json | jq -r .spec.serviceAccountIssuer| sed -e "s/^https:\/\///")
export AWS_ACCOUNT_ID=$(aws sts get-caller-identity --query Account --output text)
export AWS_PAGER=""
rm -rf $SCRATCH_DIR
mkdir -p $SCRATCH_DIR

aws s3 mb s3://$S3_BUCKET

{
    "Version": "$POLICY_VERSION",
    "Statement": [
        {
            "Sid": "Statement",
            "Effect": "Allow",
            "Action": [
                "s3:ListBucket",
                "s3:GetObject",
                "s3:DeleteObject",
                "s3:PutObject",
                "s3:PutObjectAcl",
                "s3:CreateBucket",
                "s3:DeleteBucket"
            ],
            "Resource": [
                "arn:aws:s3:::$S3_BUCKET/*",
                "arn:aws:s3:::$S3_BUCKET"
            ]
        }
    ]
 }

S3_POLICY=$(aws iam create-policy --policy-name $CLUSTER_NAME-acm-obs \
--policy-document file://$SCRATCH_DIR/s3-policy.json \
--query 'Policy.Arn' --output text)
echo $S3_POLICY

{
 "Version": "$TRUST_POLICY_VERSION",
 "Statement": [
   {
     "Effect": "Allow",
     "Principal": {
       "Federated": "arn:aws:iam::${AWS_ACCOUNT_ID}:oidc-provider/${OIDC_PROVIDER}"
     },
     "Action": "sts:AssumeRoleWithWebIdentity",
     "Condition": {
       "StringEquals": {
         "${OIDC_PROVIDER}:sub": [
           "system:serviceaccount:${NAMESPACE}:observability-thanos-query",
           "system:serviceaccount:${NAMESPACE}:observability-thanos-store-shard",
           "system:serviceaccount:${NAMESPACE}:observability-thanos-compact",
           "system:serviceaccount:${NAMESPACE}:observability-thanos-rule",
           "system:serviceaccount:${NAMESPACE}:observability-thanos-receive"
         ]
       }
     }
   }
 ]
}

S3_ROLE=$(aws iam create-role \
  --role-name "$CLUSTER_NAME-acm-obs-s3" \
  --assume-role-policy-document file://$SCRATCH_DIR/TrustPolicy.json \
  --query "Role.Arn" --output text)
echo $S3_ROLE

aws iam attach-role-policy \
  --role-name "$CLUSTER_NAME-acm-obs-s3" \
  --policy-arn $S3_POLICY

apiVersion: v1
kind: Secret
metadata:
  name: thanos-object-storage
  namespace: open-cluster-management-observability
type: Opaque
stringData:
  thanos.yaml: |
    type: s3
    config:
      bucket: $S3_BUCKET
      endpoint: s3.$REGION.amazonaws.com
      signature_version2: false

echo $YOUR_CLOUD_PROVIDER_SECRET_KEY

observability-thanos-query (deployment)
observability-thanos-compact (statefulset)
observability-thanos-receive-default  (statefulset)
observability-thanos-rule   (statefulset)
observability-thanos-store-shard-x  (statefulsets)

apiVersion: observability.open-cluster-management.io/v1beta2
kind: MultiClusterObservability
metadata:
  name: observability
spec:
  observabilityAddonSpec: {}
  storageConfig:
    metricObjectStorage:
      name: thanos-object-storage
      key: thanos.yaml

spec:
  advanced:
    compact:
       serviceAccountAnnotations:
           eks.amazonaws.com/role-arn: $S3_ROLE
    store:
       serviceAccountAnnotations:
          eks.amazonaws.com/role-arn: $S3_ROLE
    rule:
       serviceAccountAnnotations:
          eks.amazonaws.com/role-arn: $S3_ROLE
    receive:
       serviceAccountAnnotations:
          eks.amazonaws.com/role-arn: $S3_ROLE
    query:
       serviceAccountAnnotations:
          eks.amazonaws.com/role-arn: $S3_ROLE

  nodeSelector:
    node-role.kubernetes.io/infra: ""

oc apply -f multiclusterobservability_cr.yaml

oc get storageClass

NAME                PROVISIONER       RECLAIMPOLICY   VOLUMEBINDINGMODE      ALLOWVOLUMEEXPANSION   AGE
gp2-csi             ebs.csi.aws.com   Delete          WaitForFirstConsumer   true                   151m
gp3-csi (default)   ebs.csi.aws.com   Delete          WaitForFirstConsumer   true                   151m

oc get deploy multicluster-observability-operator -n open-cluster-management --show-labels

NAME                                  READY   UP-TO-DATE   AVAILABLE   AGE   LABELS
multicluster-observability-operator   1/1     1            1           35m   installer.name=multiclusterhub,installer.namespace=open-cluster-management

 labels:
    installer.name: multiclusterhub
    installer.namespace: open-cluster-management