{"id":18454,"date":"2019-07-02T14:04:33","date_gmt":"2019-07-02T05:04:33","guid":{"rendered":"https:\/\/labs.gree.jp\/blog\/?p=18454"},"modified":"2019-07-02T14:38:07","modified_gmt":"2019-07-02T05:38:07","slug":"post18454","status":"publish","type":"post","link":"https:\/\/labs.gree.jp\/blog\/2019\/07\/18454\/","title":{"rendered":"Auditable\u306aEKS\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d7\u30ec\u30fc\u30f3\u30ed\u30b0\u3092\u76ee\u6307\u3057\u3066"},"content":{"rendered":"<p><span style=\"font-size: 16px;\">\u7686\u3055\u3093\u521d\u3081\u307e\u3057\u3066\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u90e8\u306e\u6c60\u6dfb\u3067\u3059\u3002<\/span><\/p>\n<p>\u4ed5\u4e8b\u4f55\u3084\u3063\u3066\u308b\u306e\uff1f\u3068\u805e\u304b\u308c\u308b\u3068\u3064\u3044\u9762\u5012\u304f\u3055\u304f\u306a\u308a\u3001\u306a\u3093\u304b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8272\u3005\u3068\u7b54\u3048\u3066\u3057\u307e\u3046\u3088\u3046\u306a\u30dd\u30b8\u30b7\u30e7\u30f3\u3084\u3063\u3066\u307e\u3059\u3002<\/p>\n<p>\u672c\u8a18\u4e8b\u3067\u306f\u3001Amazon EKS\uff08\u4ee5\u4e0bEKS\uff09\u306e\u76e3\u67fb\u30ed\u30b0\u5468\u308a\u304c\u3061\u3087\u3063\u3068\u30a4\u30b1\u3066\u306a\u3044\u306a\u30fc\u3068\u601d\u3044\u3001\u8272\u3005\u8abf\u3079\u305f\u7d50\u679c\u3092\u5171\u6709\u3055\u305b\u3066\u9802\u3053\u3046\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<h2><a class=\"md-header-anchor md-print-anchor\" href=\"af:\/\/n643\" name=\"header-n643\"> <\/a>\u306f\u3058\u3081\u306b<\/h2>\n<p>\u4f55\u304c\u30a4\u30b1\u3066\u3044\u306a\u3044\u3068\u601d\u3063\u305f\u306e\u304b\u3068\u8a00\u3044\u307e\u3059\u3068\u3001EKS\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u53c2\u8003\u306b\u8a2d\u5b9a\u3092\u884c\u3046\u3068\u3001IAM Role\u5229\u7528\u6642\u306b\u304a\u3044\u3066\u306fEKS\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d7\u30ec\u30fc\u30f3\u306e\u76e3\u67fb\u30ed\u30b0\u306e\u30e6\u30fc\u30b6\u8b58\u5225\u6027\u304c\u5f31\u3059\u304e\u308b\u3001\u3068\u3002<\/p>\n<p>\u3069\u3046\u3044\u3046\u3053\u3068\u304b\u3068\u8a00\u3044\u307e\u3059\u3068\u3001\u5f0a\u793e\u306eAWS\u30a2\u30ab\u30a6\u30f3\u30c8\u306fIdP\u9023\u643a\u306b\u3088\u308bSSO\u5316\u304c\u3055\u308c\u3066\u304a\u308a\u3001\u30ed\u30b0\u30a4\u30f3\u3092\u3059\u308b\u3068IdP\u304b\u3089\u6e21\u3055\u308c\u305f\u60c5\u5831\u3092\u5143\u306bIAM Role\u3078\u306e\u30de\u30c3\u30d4\u30f3\u30b0\u304c\u884c\u308f\u308c\u307e\u3059\u3002\u30ed\u30b0\u30a4\u30f3\u5f8c\u306fAssumeRole\u3055\u308c\u305f\u72b6\u614b\u306b\u306a\u308b\u305f\u3081\u3001IAM Role\u3068EKS\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d7\u30ec\u30fc\u30f3\u9593\u3067\u30ed\u30fc\u30eb\u30de\u30c3\u30d4\u30f3\u30b0\u3092\u884c\u3044\u5229\u7528\u3059\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\u3057\u304b\u3057\u3001EKS\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u901a\u308a\u306b\u8a2d\u5b9a\u3057\u305f\u5834\u5408\u3001EKS\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d7\u30ec\u30fc\u30f3\u306e\u76e3\u67fb\u30ed\u30b0\u306b\u51fa\u529b\u3055\u308c\u308b\u306e\u306fIAM Role\u60c5\u5831\u3082\u3057\u304f\u306f\u30e6\u30fc\u30b6\u6307\u5b9a\u306e\u30ed\u30fc\u30eb\u540d\u306e\u307f\u3067\u3001\u5b9f\u969b\u306e\u30e6\u30fc\u30b6\u3092\u7279\u5b9a\u3059\u308b\u3053\u3068\u304c\u51fa\u6765\u307e\u305b\u3093\u3002\u3053\u308c\u3067\u306f\u3001EKS\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d7\u30ec\u30fc\u30f3\u5468\u308a\u3067\u767a\u751f\u3057\u305f\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8\u306b\u5bfe\u3057\u3066\u8abf\u67fb\u304c\u56f0\u96e3\u306b\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n<p>\u305d\u3053\u3067\u3001\u30e6\u30fc\u30b6\u8b58\u5225\u6027\u3092\u6539\u5584\u3067\u304d\u306a\u3044\u304b\u8abf\u67fb\u3092\u884c\u3063\u305f\u7d50\u679c\u3092\u5171\u6709\u3057\u307e\u3059\u3002<\/p>\n<p>\u7d50\u8ad6\u304b\u3089\u66f8\u3044\u3066\u3057\u307e\u3046\u3068\u3001\u30e6\u30fc\u30b6\u8b58\u5225\u6027\u306e\u6539\u5584\u306f\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<h2><a class=\"md-header-anchor md-print-anchor\" href=\"af:\/\/n648\" name=\"header-n648\"> <\/a>\u8a2d\u5b9a<\/h2>\n<p>\u3067\u306f\u3001\u5b9f\u969b\u306b\u30e6\u30fc\u30b6\u8b58\u5225\u6027\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306e\u8a2d\u5b9a\u306b\u3064\u3044\u3066\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<p>\u307e\u305a\u306f\u3001EKS\u3067kubernetes(\u4ee5\u4e0bk8s)\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d7\u30ec\u30fc\u30f3\u306e\u30ed\u30b0\u3092Cloudwatch Logs\u3078\u51fa\u529b\u3055\u305b\u308b\u8a2d\u5b9a\u3092\u884c\u3044\u307e\u3059\u3002\u5fc5\u8981\u3068\u306a\u308b\u30ed\u30b0\u306fk8s\u306e\u76e3\u67fb(audit)\u30ed\u30b0\u3067\u3059\u304c\u3001\u8a2d\u5b9a\u306b\u3064\u3044\u3066\u306fEKS\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306b\u8a18\u8f09\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u5272\u611b\u3055\u305b\u3066\u9802\u304d\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u53c2\u8003\uff1a<a class=\"url\" href=\"https:\/\/docs.aws.amazon.com\/ja_jp\/eks\/latest\/userguide\/control-plane-logs.html\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/docs.aws.amazon.com\/ja_jp\/eks\/latest\/userguide\/control-plane-logs.html<\/a><\/li>\n<\/ul>\n<p>\u6b21\u306b\u3001EKS\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d7\u30ec\u30fc\u30f3\u306e\u8a8d\u8a3c\u5468\u308a\u306e\u8a2d\u5b9a\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n<p>EKS\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d7\u30ec\u30fc\u30f3\u306e\u8a8d\u8a3c\u306faws-iam-authenticator\u3068\u3044\u3046\u3001IAM\u3067\u306e\u8a8d\u8a3c\u3092EKS\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d7\u30ec\u30fc\u30f3\u3078\u5f15\u304d\u56de\u3059\u305f\u3081\u306e\u8a8d\u8a3c\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u304c\u62c5\u5f53\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li>ref: <a class=\"url\" href=\"https:\/\/docs.aws.amazon.com\/ja_jp\/eks\/latest\/userguide\/managing-auth.html\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/docs.aws.amazon.com\/ja_jp\/eks\/latest\/userguide\/managing-auth.html<\/a>\n<ul>\n<li>\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3067\u306f\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u3067\u4f7f\u3046\u8aac\u660e\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u304c\u3001\u73fe\u5728\u3067\u306fIAM\u3068EKS\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d7\u30ec\u30fc\u30f3\u9593\u306b\u3082\u5c0e\u5165\u3055\u308c\u3066\u3044\u308b\u3088\u3046\u306a\u6319\u52d5\u3067\u3059<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>\u3053\u306e aws-iam-authenticator \u306f\u3001k8s ConfigMap\u306e aws-auth \u306b\u8a2d\u5b9a\u3055\u308c\u305f\u5185\u5bb9\u306b\u5f93\u3044\u3001\u30a2\u30af\u30bb\u30b9\u3057\u305f\u969b\u306euserarn\/rolearn\u306b\u5fdc\u3058\u3066\u3001EKS\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d7\u30ec\u30fc\u30f3\u3067\u306e\u8a8d\u53ef\u3068\u30e6\u30fc\u30b6\u540d\u306e\u5272\u308a\u5f53\u3066\u3092\u884c\u3044\u307e\u3059\u3002\u3053\u306e\u3068\u304d\u3001username\u306b\u7279\u5b9a\u306e\u6587\u5b57\u5217\u304c\u542b\u307e\u308c\u308b\u5834\u5408\u3001AWS\u5074\u306e\u60c5\u5831\u3067\u7f6e\u63db\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n<p>\u4f8b\u3048\u3070\u3001EKS\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3067\u306f\u3001\u30ce\u30fc\u30c9\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306b\u5bfe\u3057\u3066\u6a29\u9650\u3092\u4ed8\u4e0e\u3059\u308b\u305f\u3081\u306b\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u8a2d\u5b9a\u3092\u3057\u3066\u304f\u3060\u3055\u3044\u3068\u8a18\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li>ref: <a class=\"url\" href=\"https:\/\/docs.aws.amazon.com\/ja_jp\/eks\/latest\/userguide\/add-user-role.html\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/docs.aws.amazon.com\/ja_jp\/eks\/latest\/userguide\/add-user-role.html<\/a><\/li>\n<\/ul>\n<pre><code>apiVersion: v1\nkind: ConfigMap\nmetadata:\n  name: aws-auth\n  namespace: kube-system\ndata:\n  mapRoles: |\n    - rolearn: &lt;ARN of instance role (not instance profile)&gt;\n      username: system:node:{{EC2PrivateDNSName}}\n      groups:\n        - system:bootstrappers\n        - system:nodes\n<\/code><\/pre>\n<p>\u3053\u306e\u8a2d\u5b9a\u30b5\u30f3\u30d7\u30eb\u306eusername\u306e\u90e8\u5206\u306b\u4f7f\u308f\u308c\u3066\u3044\u308b {{EC2PrivateDNSName}} \u306f\u3001\u30a2\u30af\u30bb\u30b9\u3057\u3066\u304d\u305f\u30ce\u30fc\u30c9\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306e\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8DNS\u540d\u3078\u7f6e\u63db\u304c\u884c\u308f\u308c\u3001EKS\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d7\u30ec\u30fc\u30f3\u306e\u30ed\u30b0\u4e0a\u3067\u3069\u306e\u30ce\u30fc\u30c9\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3067\u306e\u52d5\u4f5c\u306a\u306e\u304b\u304c\u7279\u5b9a\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3068\u540c\u3058\u69d8\u306a\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u30d1\u30e9\u30e1\u30fc\u30bf\u304c\u4ed6\u306b\u3082\u3042\u308a\u3001\u305d\u308c\u3089\u3092\u4f7f\u3046\u3053\u3068\u3067\u30ed\u30fc\u30eb\u30de\u30c3\u30d4\u30f3\u30b0\u3092\u884c\u3063\u3066\u3044\u308b\u5834\u5408\u306e\u30e6\u30fc\u30b6\u8b58\u5225\u6027\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u51fa\u6765\u307e\u3059\u3002<\/p>\n<p>2019\/06\u73fe\u5728\u3001username\u306b\u4f7f\u3048\u308b\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u30d1\u30e9\u30e1\u30fc\u30bf\u306f\u4e0b\u8a18\u306e3\u3064\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>{{AccountID}}\n<ul>\n<li>EKS\u30af\u30e9\u30b9\u30bf\u304c\u5b58\u5728\u3059\u308bAWS\u30a2\u30ab\u30a6\u30f3\u30c8ID\u306b\u7f6e\u63db\u3055\u308c\u307e\u3059<\/li>\n<\/ul>\n<\/li>\n<li>{{SessionName}}\n<ul>\n<li>AssumeRole\u3057\u305f\u3068\u304d\u306erole-session-name\u30d1\u30e9\u30e1\u30fc\u30bf\u306b\u7f6e\u63db\u3055\u308c\u307e\u3059<\/li>\n<\/ul>\n<\/li>\n<li>{{EC2PrivateDNSName}}\n<ul>\n<li>EC2\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306e\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8DNS\u540d\u306b\u7f6e\u63db\u3055\u308c\u307e\u3059<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>\u3053\u306e\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u30d1\u30e9\u30e1\u30fc\u30bf\u306b\u3064\u3044\u3066\u306f\u3001\u516c\u958b\u3055\u308c\u3066\u3044\u308b\u30ea\u30dd\u30b8\u30c8\u30ea\u30fb\u30b3\u30fc\u30c9\u306b\u60c5\u5831\u304c\u8a18\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u53c2\u8003: <a class=\"url\" href=\"https:\/\/github.com\/kubernetes-sigs\/aws-iam-authenticator\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/github.com\/kubernetes-sigs\/aws-iam-authenticator<\/a><\/li>\n<li>\u53c2\u8003: <a class=\"url\" href=\"https:\/\/github.com\/kubernetes-sigs\/aws-iam-authenticator\/blob\/fb78cc25775f921cd4b3931fa004eae031505e21\/pkg\/server\/server.go#L394-L418\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/github.com\/kubernetes-sigs\/aws-iam-authenticator\/blob\/fb78cc25775f921cd4b3931fa004eae031505e21\/pkg\/server\/server.go#L394-L418<\/a><\/li>\n<\/ul>\n<p>\u5b9f\u969b\u306b\u3053\u308c\u3089\u306e\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u4f7f\u3044\u3001\u30e6\u30fc\u30b6\u8b58\u5225\u6027\u3092\u5411\u4e0a\u3055\u305b\u308b\u8a2d\u5b9a\u306e\u30b5\u30f3\u30d7\u30eb\u3067\u3059\u3002 \u3053\u306e\u8a2d\u5b9a\u306f\u3001\u30ce\u30fc\u30c9\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3078\u306e\u30a2\u30af\u30bb\u30b9\u6a29\u4ed8\u4e0e\u3068\u540c\u69d8\u306b\u3001k8s ConfigMap\u306eaws-auth \u3078\u8ffd\u8a18\u3092\u884c\u3046\u3053\u3068\u3067\u8a2d\u5b9a\u3092\u884c\u3044\u307e\u3059\u3002\u306a\u304a\u3001\u30b5\u30f3\u30d7\u30eb\u5185\u306b\u542b\u307e\u308c\u308b &lt;AWS_ACCOUNT_ID&gt; \u306f\u3001\u7686\u3055\u3093\u304c\u304a\u4f7f\u3044\u306eAWS\u30a2\u30ab\u30a6\u30f3\u30c8ID\u3078\u8aad\u307f\u66ff\u3048\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"\"><code>- rolearn: arn:aws:iam::&lt;AWS_ACCOUNT_ID&gt;:role\/staff\n  username: role:{{AccountID}}:staff:{{SessionName}}\n  groups:\n    - system:masters\n<\/code><\/pre>\n<p>\u3053\u306e\u8a2d\u5b9a\u3092mapRoles\u306b\u52a0\u3048\u308b\u3053\u3068\u3067\u3001staff\u3068\u3044\u3046IAM Role\u3067\u30a2\u30af\u30bb\u30b9\u3092\u884c\u3063\u305f\u30e6\u30fc\u30b6\u306f\u3001role:&lt;AWS_ACCOUNT_ID&gt;:staff:&lt;SESSION_NAME&gt; \u3068\u3044\u3046\u30e6\u30fc\u30b6\u540d\u304c\u5272\u308a\u5f53\u3066\u3089\u308c\u3001EKS\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d7\u30ec\u30fc\u30f3\u4e0a\u3067\u306e\u6a29\u9650\u306fsystem:masters \u304c\u4ed8\u4e0e\u3055\u308c\u307e\u3059\u3002&lt;SESSION_NAME&gt; \u306f\u3001AssumeRole\u3057\u305f\u969b\u306erole-session-name\u306e\u5024\u304c\u4f7f\u308f\u308c\u307e\u3059\u3002AWS CLI\u306b\u3088\u308b\u81ea\u52d5AssumeRole\u3092\u8a2d\u5b9a\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001botocore-session-xxxxxxxxxxx \u306e\u3088\u3046\u306a\u5024\u3068\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u5024\u306f\u3001Cloudtrail\u5074\u306eAssumeRole\u30ed\u30b0\u306b\u3082\u51fa\u529b\u3055\u308c\u308b\u305f\u3081\u3001\u8ab0\u304c\u305d\u306e\u30bb\u30c3\u30b7\u30e7\u30f3\u3092\u5229\u7528\u3057\u3066\u3044\u308b\u304b\u304c\u7279\u5b9a\u53ef\u80fd\u3068\u306a\u308a\u3001\u30e6\u30fc\u30b6\u8b58\u5225\u6027\u304c\u78ba\u4fdd\u51fa\u6765\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h2><a class=\"md-header-anchor md-print-anchor\" href=\"af:\/\/n695\" name=\"header-n695\"> <\/a>\u5b9f\u9a13<\/h2>\n<p>\u3067\u306f\u3001\u524d\u8ff0\u306e\u8a2d\u5b9a\u3092\u3057\u305f\u74b0\u5883\u3067\u3001staff\u30ed\u30fc\u30eb\u3078\u81ea\u52d5\u7684\u306bAssumeRole\u3059\u308b\u30d7\u30ed\u30d5\u30a1\u30a4\u30ebstaff\u304c\u3042\u308b\u60f3\u5b9a\u3067\u3001kubectl\u306b\u3088\u308b\u30af\u30e9\u30b9\u30bf\u64cd\u4f5c\u3057\u305f\u5834\u5408\u306e\u30ed\u30b0\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u30b3\u30de\u30f3\u30c9\u4f8b\u3068\u3057\u3066\u306f\u3053\u3093\u306a\u611f\u3058\u3067\u3059\u3002<\/p>\n<pre class=\"\"><code>aws --profile staff eks update-kubeconfig --name test-cluster\nkubectl describe configmap -n kube-system aws-auth<\/code><\/pre>\n<p>\u3053\u306e\u3068\u304d\u306e\u30ed\u30b0\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002AWS\u30a2\u30ab\u30a6\u30f3\u30c8ID\u306f111111111111\u3068\u3057\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n<p>\u307e\u305a\u306fEKS\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d7\u30ec\u30fc\u30f3\u306e\u76e3\u67fb\u30ed\u30b0\u3067\u3059\u3002<\/p>\n<pre><code>{\n    \"kind\": \"Event\",\n    \"apiVersion\": \"audit.k8s.io\/v1beta1\",\n    \"metadata\": {\n        \"creationTimestamp\": \"2019-06-05T09:52:50Z\"\n    },\n    \"level\": \"Metadata\",\n    \"timestamp\": \"2019-06-05T09:52:50Z\",\n    \"auditID\": \"xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx\",\n    \"stage\": \"ResponseComplete\",\n    \"requestURI\": \"\/api\/v1\/namespaces\/kube-system\/configmaps\/aws-auth\",\n    \"verb\": \"get\",\n    \"user\": {\n        \"username\": \"role:111111111111:staff:botocore-session-1559728369\",\n        \"uid\": \"heptio-authenticator-aws:111111111111:AROXXXXXXXXXXXXXXXXXX\",\n        \"groups\": [\n            \"system:masters\",\n            \"system:authenticated\"\n        ]\n    },\n    \"sourceIPs\": [\n        \"xxx.xxx.xxx.xxx\"\n    ],\n    \"userAgent\": \"kubectl\/v1.10.11 (darwin\/amd64) kubernetes\/637c7e2\",\n    \"objectRef\": {\n        \"resource\": \"configmaps\",\n        \"namespace\": \"kube-system\",\n        \"name\": \"aws-auth\",\n        \"apiVersion\": \"v1\"\n    },\n    \"responseStatus\": {\n        \"metadata\": {},\n        \"code\": 200\n    },\n    \"requestReceivedTimestamp\": \"2019-06-05T09:52:50.128779Z\",\n    \"stageTimestamp\": \"2019-06-05T09:52:50.133049Z\",\n    \"annotations\": {\n        \"authorization.k8s.io\/decision\": \"allow\",\n        \"authorization.k8s.io\/reason\": \"\"\n    }\n}\n<\/code><\/pre>\n<p>user.username \u306bAWS\u30a2\u30ab\u30a6\u30f3\u30c8ID\u3068botocore\u306b\u3088\u308a\u751f\u6210\u3055\u308c\u305f\u30bb\u30c3\u30b7\u30e7\u30f3\u540d\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>AssumeRole\u6642\u306e\u30bb\u30c3\u30b7\u30e7\u30f3\u540d\u304c\u5224\u660e\u3057\u305f\u306e\u3067\u3001Cloudtrail\u3067\u5f53\u8a72\u30bb\u30c3\u30b7\u30e7\u30f3\u3092\u751f\u6210\u3057\u305f\u30ed\u30b0\u3092\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<pre><code>{\n  \"eventVersion\": \"1.05\",\n  \"userIdentity\": {\n    \"type\": \"IAMUser\",\n    \"principalId\": \"AIDXXXXXXXXXXXXXXXXXX\",\n    \"arn\": \"arn:aws:iam::111111111111:user\/iam-user1\",\n    \"accountId\": \"111111111111\",\n    \"accessKeyId\": \"AKIXXXXXXXXXXXXXXXXXX\",\n    \"userName\": \"iam-user1\"\n  },\n  \"eventTime\": \"2019-06-05T09:52:49Z\",\n  \"eventSource\": \"sts.amazonaws.com\",\n  \"eventName\": \"AssumeRole\",\n  \"awsRegion\": \"us-east-1\",\n  \"sourceIPAddress\": \"xxx.xxx.xxx.xxx\",\n  \"userAgent\": \"Botocore\/1.12.161 Python\/2.7.15 Darwin\/18.6.0\",\n  \"requestParameters\": {\n    \"roleArn\": \"arn:aws:iam::111111111111:role\/staff\",\n    \"roleSessionName\": \"botocore-session-1559728369\"\n  },\n  \"responseElements\": {\n    \"credentials\": {\n      \"accessKeyId\": \"ASIAXXXXXXXXXXXXXXXX\",\n      \"expiration\": \"Jun 5, 2019 19:52:49 PM\",\n      \"sessionToken\": \"xxxxxxxxxxxxxxxxxxxxxxxx\"\n    },\n    \"assumedRoleUser\": {\n      \"assumedRoleId\": \"AROAXXXXXXXXXXXXXXXX:botocore-session-1559728369\",\n      \"arn\": \"arn:aws:sts::111111111111:assumed-role\/staff\/botocore-session-1559728369\"\n    }\n  },\n  \"requestID\": \"xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx\",\n  \"eventID\": \"xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx\",\n  \"resources\": [\n    {\n      \"ARN\": \"arn:aws:iam::111111111111:role\/staff\",\n      \"accountId\": \"111111111111\",\n      \"type\": \"AWS::IAM::Role\"\n    }\n  ],\n  \"eventType\": \"AwsApiCall\",\n  \"recipientAccountId\": \"111111111111\"\n}\n<\/code><\/pre>\n<p>userIdentity.userName\u3092\u78ba\u8a8d\u3059\u308b\u3068iam-user1\u304cAssumeRole\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u4e8c\u3064\u306e\u30ed\u30b0\u304b\u3089\u3001EKS\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d7\u30ec\u30fc\u30f3\u306e\u64cd\u4f5c\u3092\u3044\u3064\u8ab0\u304c\u884c\u3063\u305f\u304b\u8ffd\u8de1\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u3001\u4f55\u304b\u3042\u3063\u305f\u5834\u5408\u306e\u30ed\u30b0\u3068\u3057\u3066\u6709\u52b9\u6d3b\u7528\u304c\u51fa\u6765\u305d\u3046\u3001\u3068\u3044\u3046\u4e8b\u304c\u5206\u304b\u308a\u307e\u3057\u305f\u3002\u305f\u3060\u3057\u3001EKS\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d7\u30ec\u30fc\u30f3\u306e\u30ed\u30b0\u306b\u306fEKS\u30af\u30e9\u30b9\u30bf\u304c\u5b58\u5728\u3059\u308bAWS\u30a2\u30ab\u30a6\u30f3\u30c8ID\uff08\u203b\uff09\u3068\u30af\u30e9\u30b9\u30bf\u30fc\u540d\u304c\u7121\u3044\u306e\u3067\u3001\u96c6\u7d04\u3092\u3057\u3066\u6a2a\u65ad\u7684\u306a\u7ba1\u7406\u3092\u3059\u308b\u306b\u306f\u307e\u3060\u4e0d\u5341\u5206\u3067\u3059\u3002\u96c6\u7d04\u3059\u308b\u5834\u5408\u306b\u306fAWS\u30a2\u30ab\u30a6\u30f3\u30c8ID\u3068\u30af\u30e9\u30b9\u30bf\u30fc\u540d\u3092\u4ed8\u4e0e\u3059\u308b\u4ed5\u7d44\u307f\u3084\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u3092\u5206\u3051\u308b\u7b49\u3092\u691c\u8a0e\u3059\u308b\u3068\u826f\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n<p>\u306a\u304a\u3001IdP\u9023\u643a\uff08SAML\u7b49\uff09\u3067AWS CLI\u3092\u5229\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001SessionName\u306b\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u7b49\u306e\u30e6\u30fc\u30b6\u8b58\u5225\u304c\u5bb9\u6613\u306a\u5024\u3092\u4f7f\u3046\u3068\u3001EKS\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d7\u30ec\u30fc\u30f3\u5074\u306e\u30ed\u30b0\u3060\u3051\u3067\u8ab0\u304c\u4f55\u3092\u3057\u305f\u304b\u3092\u5bb9\u6613\u306b\u7279\u5b9a\u304c\u51fa\u6765\u308b\u3088\u3046\u306b\u306a\u308a\u697d\u304c\u51fa\u6765\u307e\u3059\u3002<\/p>\n<p>\u203b \u30b7\u30b9\u30c6\u30e0\u30a2\u30ab\u30a6\u30f3\u30c8\u306b\u3088\u308b\u81ea\u52d5\u7684\u306a\u64cd\u4f5c\u306fsystem:serviceaccount\u306e\u3088\u3046\u306a\u5f62\u5f0f\u306b\u306a\u308a\u3001AWS\u30a2\u30ab\u30a6\u30f3\u30c8ID\u3092\u542b\u3081\u308b\u3053\u3068\u304c\u51fa\u6765\u307e\u305b\u3093\u3002<\/p>\n<h2><a class=\"md-header-anchor md-print-anchor\" href=\"af:\/\/n709\" name=\"header-n709\"> <\/a>\u96c6\u7d04<\/h2>\n<p>\u5148\u307b\u3069\u96c6\u7d04\u306b\u3064\u3044\u3066\u89e6\u308c\u307e\u3057\u305f\u304c\u3001\u8907\u6570\u306eAWS\u30a2\u30ab\u30a6\u30f3\u30c8\u3067EKS\u3092\u5229\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u5f53\u7136\u96c6\u7d04\u3057\u305f\u304f\u306a\u308a\u307e\u3059\u3088\u306d\uff1f<\/p>\n<p>\u96c6\u7d04\u306b\u3064\u3044\u3066\u306f\u3001Cloudwatch Logs\u306b\u6d41\u308c\u3066\u304d\u305f\u30ed\u30b0\u3092\u3001\u30b5\u30d6\u30b9\u30af\u30ea\u30d7\u30b7\u30e7\u30f3\u30d5\u30a3\u30eb\u30bf\u30fc\u3067\u96c6\u7d04\u5148\u306b\u8ee2\u9001\u3059\u308b\u3053\u3068\u3067\u5bb9\u6613\u306b\u5b9f\u73fe\u51fa\u6765\u307e\u3059\u3002\u5b9f\u306b\u7c21\u5358\u3067\u3059\u306d\u3002<\/p>\n<p>\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u5272\u611b\u3055\u305b\u3066\u9802\u304d\u307e\u3059\u304c\u3001\u5f0a\u793e\u306e\u5834\u5408\u306f\u3001Cloudwatch Logs \u30b5\u30d6\u30b9\u30af\u30ea\u30d7\u30b7\u30e7\u30f3\u30d5\u30a3\u30eb\u30bf\u3067\u96c6\u7d04\u5148AWS\u30a2\u30ab\u30a6\u30f3\u30c8\u306eKinesis stream\u3078\u6295\u5165\u3001Kinesis Firehose\u914d\u4fe1\u30b9\u30c8\u30ea\u30fc\u30e0\u306eRecord transformation\u3067\u9001\u4fe1\u5143AWS\u30a2\u30ab\u30a6\u30f3\u30c8ID\u3068EKS\u30af\u30e9\u30b9\u30bf\u30fc\u540d\u3092\u5168\u30ed\u30b0\u306b\u4ed8\u4e0e\u3057\u3001\u30ed\u30b0\u5206\u6790\u30b7\u30b9\u30c6\u30e0\u3078\u4e00\u62ec\u6295\u5165\u3001\u3068\u8a00\u3046\u69cb\u6210\u3067\u69cb\u7bc9\u3057\u3066\u307f\u307e\u3057\u305f\u3002Record transformation\u3067AWS\u30a2\u30ab\u30a6\u30f3\u30c8ID\u3068\u30af\u30e9\u30b9\u30bf\u30fc\u540d\u3092\u4ed8\u4e0e\u3057\u3066\u3001\u74b0\u5883\u3068\u30e6\u30fc\u30b6\u8b58\u5225\u6027\u3092\u3042\u3052\u3066\u304b\u3089\u6295\u5165\u3059\u308b\u306e\u304c\u96c6\u7d04\u306e\u30dd\u30a4\u30f3\u30c8\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2><a class=\"md-header-anchor md-print-anchor\" href=\"af:\/\/n712\" name=\"header-n712\"> <\/a>\u307e\u3068\u3081<\/h2>\n<p>Amazon 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