{"id":40278,"date":"2021-02-15T18:00:42","date_gmt":"2021-02-15T09:00:42","guid":{"rendered":"https:\/\/www.creationline.com\/?p=40278"},"modified":"2021-02-14T18:27:56","modified_gmt":"2021-02-14T09:27:56","slug":"k3s-x-istio-%e3%82%84%e3%81%a3%e3%81%a6%e3%81%bf%e3%81%9f","status":"publish","type":"post","link":"https:\/\/www.creationline.com\/tech-blog\/cloudnative\/kubernetes\/40278","title":{"rendered":"k3s \u00d7 Istio \u3084\u3063\u3066\u307f\u305f"},"content":{"rendered":"<\/p>\n<p style=\"font-size:25px\"> <strong>k3s \u3068\u306f\uff1f<\/strong><\/p>\n<p>Kubernetes \u3068\u3044\u3048\u3070 DX\uff08Digital Transformation\uff09\u6642\u4ee3\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u57fa\u76e4\u3068\u3057\u3066\u6709\u529b\u3067\u3059\uff0ek3s \u3068\u306f CNCF \u516c\u5f0f\u306e\u8a8d\u8a3c\u4ed8\u304d\u306e\u8efd\u91cf\u306aKubernetes\u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30b7\u30e7\u30f3\u3067\u3059\uff0eEdge \u3084\u30ed\u30fc\u30ab\u30eb PC \u306a\u3069\u3067\u3082\u52d5\u4f5c\u3059\u308b\u8efd\u91cf\u306a Kuberntes \u3092\u6c42\u3081\u3066\u3044\u308b\u30e6\u30fc\u30b6\u306e\u305f\u3081\u306e\u30d7\u30ed\u30c0\u30af\u30c8\u3068\u3057\u3066\u751f\u307e\u308c\u307e\u3057\u305f\uff0e\u7279\u5fb4\u3068\u3057\u3066\u306f\uff0c50MB\u306e\u30b7\u30f3\u30b0\u30eb\u30d0\u30a4\u30ca\u30ea\u3067\u52d5\u4f5c\u3059\u308b\uff0e\u7c21\u6613\u306a\u30b3\u30de\u30f3\u30c9\u3067\u30af\u30e9\u30b9\u30bf\u3092\u69cb\u7bc9\u3067\u304d\u308b\uff0e<\/p>\n<p style=\"font-size:25px\"> <strong> \u30af\u30e9\u30b9\u30bf\u306e\u4f5c\u308a\u65b9 <\/strong><\/p>\n<p>\u2193\u30de\u30b9\u30bf\u30fc\u3092\u4f5c\u308b\u2193 <\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"bash\">k3s server --disable-agent<\/pre>\n<p>\u2193\u30ef\u30fc\u30ab\u30fc\u3092\u4f5c\u308b\u2193 <\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"bash\">k3s agent --server https:\/\/myserver:6443 --token<\/pre>\n<p>\u4e0a\u8a18\u306e\u624b\u7d9a\u304d\u3067\u30af\u30e9\u30b9\u30bf\u69cb\u7bc9\u304c\u5b8c\u4e86\u3059\u308b\uff0e\u3068\u3066\u3082\u7c21\u5358\u306b\u5b9f\u884c\u3067\u304d\u307e\u3059\uff01<\/p>\n<p style=\"font-size:25px\"> <strong> k3s \u306e\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9 <\/strong><\/p>\n<p>IoT \u304c\u9a12\u304c\u308c\u308b\u4eca\uff0c\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u6700\u9069\u5316\u30fb\u4f4e\u9045\u5ef6\u306e\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u51e6\u7406\u30fb\u30c7\u30fc\u30bf\u5206\u6790\u306b\u304a\u3044\u3066\uff0c\u30e6\u30fc\u30b6\u306b\u8fd1\u3044\u4f4d\u7f6e\u306b\u30b3\u30f3\u30d4\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u30ea\u30bd\u30fc\u30b9\u3092\u914d\u7f6e\u3057\u51e6\u7406\u3059\u308b Edge Computing \u304c\u671f\u5f85\u3055\u308c\u3066\u3044\u307e\u3059\uff0e<br \/>\nk3s \u306e Agent \u306f\uff0cRaspberry Pi \u3084\u76e3\u8996\u30ab\u30e1\u30e9\u7b49\u306e\u30c7\u30d0\u30a4\u30b9\u985e\u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u304c\u60f3\u5b9a\u3055\u308c\uff0c\u5b9f\u969b\u306b\u5de5\u5834 IoT \u3084 \u9280\u884c\u652f\u5e97\u30b7\u30b9\u30c6\u30e0\u3067\u5229\u7528\u3055\u308c\u3066\u3044\u307e\u3059\uff0e\u9867\u5ba2\u306b\u3088\u308a\u8fd1\u3044 Edge \u3067 Kubernetes \u3092\u52d5\u304b\u3059\u30cb\u30fc\u30ba\u306f\u5897\u3048\u3066\u3044\u304f\u3068\u4e88\u60f3\u3067\u304d\u308b\u3067\u3057\u3087\u3046\uff0e\uff0e\uff0e\uff01<\/p>\n<p style=\"font-size:25px\"> <strong> k3s \u3068 Istio <\/strong><\/p>\n<p>Kubernetes \u3092\u904b\u7528\u3057\u3066\u3044\u308b\u3068 \u901a\u4fe1\u306e\u6697\u53f7\u5316\u30fb\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u30fb\u7d30\u304b\u306a\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u305f\u3081\u306b\uff0cIstio \u306b\u304a\u4e16\u8a71\u306b\u306a\u308b\u3053\u3068\u3082\u591a\u3044\u3068\u601d\u3044\u307e\u3059\uff0e<br \/>\nIstio \u306f\u30db\u30b9\u30c8PC\u306b\u8981\u6c42\u3059\u308b\u30ea\u30bd\u30fc\u30b9\u3082\u5927\u304d\u3044\u306e\u3067\uff0cEdge \u306e\u74b0\u5883\u3067\u5b9f\u969b\u52d5\u304f\u306e\u3060\u308d\u3046\u304b\u30fb\u30fb\u30fb\uff0e\u4eca\u56de\u306f\uff0ck3s \u3067 Istio\u3092\u52d5\u304b\u305b\u308b\u304b\u3092\u691c\u8a3c\u3057\u3066\u3044\u304d\u305f\u3044\u3068\u601d\u3044\u307e\u3059\uff01<\/p>\n<p style=\"font-size:25px\"> <strong> \u74b0\u5883\u6e96\u5099 <\/strong><\/p>\n<p>\u2193\u7b46\u8005\u306e\u958b\u767a\u74b0\u5883\u306f\u3053\u3061\u3089\u2193<br \/>\n- OS (Mac OS Catalina)<br \/>\n- k3s (Kubernetes \u8efd\u91cfdistro)<br \/>\n- multipass (\u4eee\u60f3\u30de\u30b7\u30f3\u7ba1\u7406\u30c4\u30fc\u30eb)<br \/>\nk3s \u306f\uff0cMacOS \u3067\u306e\u52d5\u4f5c\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u306a\u3044\u306e\u3067\uff0c\u4eee\u60f3\u74b0\u5883\u3092\u69cb\u7bc9\u3057\u3066\u3044\u304d\u305f\u3044\u3068\u601d\u3044\u307e\u3059\uff0e<\/p>\n<p style=\"font-size:20px\"> <strong> 1. Multipass \u3067 k3s \u3092\u5b9f\u884c\u3059\u308b\u305f\u3081\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u4f5c\u6210 <\/strong> <\/p>\n<p><pre class=\"EnlighterJSRAW\" data-enlighter-language=\"bash\"> multipass launch --name k3s --cpus 2 --mem 4g --disk 20 <\/pre>\n<p>\u203b Raspberry Pi \u306e\u30b9\u30da\u30c3\u30af\u3092\u53c2\u8003\u306b\u3057\u3066\u307f\u307e\u3057\u305f<\/p>\n<p style=\"font-size:20px\"> <strong> 2. k3s \u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb <\/strong> <\/p>\n<p><strong> 2-1. \u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306b\u30ed\u30b0\u30a4\u30f3 <\/strong><\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"bash\"> multipass shell k3s <\/pre>\n<p><strong> 2-2. k3s \u306e\u521d\u671f\u8a2d\u5b9a\u7528\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u5b9f\u884c <\/strong><\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"bash\"> curl -sfL https:\/\/get.k3s.io | K3S_KUBECONFIG_MODE=&quot;644&quot; INSTALL_K3S_EXEC=&quot;--no-deploy traefik&quot; sh - <\/pre>\n<p>\u203b Ingress Gateway \u306f\uff0cistio-ingressgateway \u3092\u4f7f\u3046\u305f\u3081\uff0ctraefik \u306f\u30c7\u30d7\u30ed\u30a4\u3057\u307e\u305b\u3093\uff0e<\/p>\n<p style=\"font-size:20px\"> <strong> 3. kubeconfig \u306e\u8a2d\u5b9a <\/strong> <\/p>\n<ul>\n<li>\u76ee\u6a19\n<ul>\n<li>\u30db\u30b9\u30c8 PC \u304b\u3089\uff0c\u4eee\u60f3\u74b0\u5883\u306e k3s \u30af\u30e9\u30b9\u30bf\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><strong> 3-1. kubeconfig \u3092\u30db\u30b9\u30c8PC\u306b\u30b3\u30d4\u30fc <\/strong><\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"bash\"> \u3053\u3053\u306b\u7f6e\u3044\u3066\u3042\u308a\u307e\u3059 (\/etc\/rancher\/k3s\/k3s.yaml) <\/pre>\n<p><strong> 3-2. \u30db\u30b9\u30c8 PC \u304b\u3089\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306e\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8IP\u3092\u53d6\u5f97\u3057\u307e\u3059 <\/strong><\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"bash\"> multipass info k3s <\/pre>\n<p><strong> 3-3. kubeconfig \u306b\u8a18\u8f09\u3055\u308c\u3066\u3044\u308b API Server \u306e\u30a2\u30c9\u30ec\u30b9\u3092\uff0c\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8IP\u306b\u7f6e\u304d\u63db\u3048\u307e\u3059 <\/strong><br \/>\n<strong> 3-4. \u30db\u30b9\u30c8PC\u304b\u3089\uff0c\u4eee\u60f3\u74b0\u5883\u3067\u52d5\u304f k3s \u30af\u30e9\u30b9\u30bf\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308c\u3070 OK \u3067\u3059 <\/strong><\/p>\n<p style=\"font-size:20px\"> <strong> 4. Istio <\/strong> <\/p>\n<ul>\n<li>\u76ee\u6a19\n<ul>\n<li>k3s \u30af\u30e9\u30b9\u30bf\u306b Istio \u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><strong> 4-1. Istio \u3092\u30ab\u30b9\u30bf\u30de\u30a4\u30ba <\/strong><br \/>\nIstioOperator \u3092 istioctl \u306b\u6e21\u3059\u3053\u3068\u3067\uff0c\u30c7\u30d7\u30ed\u30a4\u3059\u308b Yaml \u3092\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3067\u304d\u307e\u3059\uff0e<br \/>\nIstio \u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\uff0c\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u4e88\u7d04\u3059\u308b\u30ea\u30bd\u30fc\u30b9\u304c\u5927\u304d\u3044\u305f\u3081\uff0c\u3068\u308a\u3042\u3048\u305a \u300c1\/20\u300d \u3067\u8a2d\u5b9a\u3057\u3066\u307f\u307e\u3059\uff0e<br \/>\nPod\u3078\u306e\u30a4\u30f3\u30d0\u30a6\u30f3\u30c9\u901a\u4fe1\u306f\u5168\u3066\uff0cistio-ingressgateway \u3092\u901a\u904e\u3059\u308b\u306e\u3067 NodePort \u3092\u6307\u5b9a\u3057\u307e\u3059\uff0e<\/p>\n<p><pre class=\"EnlighterJSRAW\" data-enlighter-language=\"yaml\">\napiVersion: operator.istio.io\/v1alpha1\nkind: IstioOperator\nspec:\n  components:\n    pilot:\n      k8s:\n        resources:\n          requests:\n            cpu: 25m # default 500m\n            memory: 128Mi # default 2048Mi\n        hpaSpec:\n          maxReplicas: 3\n          minReplicas: 2\n  ingressGateways:\n    - name: istio-ingressgateway\n      enabled: true\n      k8s:\n        service:\n          type: NodePort\n          ports:\n          - name: status-port\n            port: 15021\n            targetPort: 15021\n          - name: http2\n            port: 80\n            targetPort: 8080\n          - name: https\n            port: 443\n            targetPort: 8443\n          - name: tls\n            port: 15443\n            targetPort: 15443\n<\/pre>\n<\/p>\n<p><strong> 4-2. Istioctl \u30a4\u30f3\u30b9\u30c8\u30fc\u30eb <\/strong><\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"yaml\"> istioctl install -f hogehoge-istio-operator.yaml <\/pre>\n<\/p>\n<p style=\"font-size:20px\"> <strong> 5. Prometheus\u30fbGrafana\u30fbKiali \u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb <\/strong> <\/p>\n<ul>\n<li>\u76ee\u6a19\n<ul>\n<li>\u53ef\u89b3\u6e2c\u6027\u306e\u305f\u3081 k3s \u30af\u30e9\u30b9\u30bf\u306b\u30a2\u30c9\u30aa\u30f3\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b<\/li>\n<li>\u901a\u4fe1\u3084\u30ea\u30bd\u30fc\u30b9\u72b6\u6cc1\u306a\u3069\u628a\u63e1\u3067\u304d\u305f\u65b9\u304c\u904b\u7528\u304c\u697d\u306b\u306a\u308a\u307e\u3059\uff01\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u7cfb\u3082\u5165\u308c\u3066\u3044\u304d\u307e\u3057\u3087\u3046\uff01<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><strong> 5-1. CRD \u30a4\u30f3\u30b9\u30c8\u30fc\u30eb <\/strong><br \/>\nPrometheus \u3068 Grafana \u306e CRD \u306f\uff0c<a href=\"https:\/\/github.com\/prometheus-operator\/prometheus-operator\/tree\/master\/example\/prometheus-operator-crd\" rel=\"noopener noreferrer\" target=\"_blank\">\u3053\u3061\u3089<\/a> \u304b\u3089\u62dd\u501f\u3057\u307e\u3059<br \/>\nKiali \u306f\uff0c<a href=\"https:\/\/github.com\/kiali\/kiali-operator\/tree\/master\/manifests\/kiali-community\/1.9.1\" rel=\"noopener noreferrer\" target=\"_blank\">\u3053\u3061\u3089<\/a> \u304b\u3089\u62dd\u501f<br \/>\n\u9069\u5b9c kubectl apply -f \u3057\u307e\u3057\u3087\u3046\uff01<\/p>\n<p><strong> 5-2. \u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\u3067\u898b\u3066\u307f\u3088\u3046\uff01<\/strong><br \/>\nistioctl \u304c kubectl \u3092\u4f7f\u7528\u3057\u3066 port-forward \u3057\u3066\u304f\u308c\u307e\u3059<\/p>\n<p><pre class=\"EnlighterJSRAW\" data-enlighter-language=\"yaml\"> istioctl dashboard kiali <\/pre>\n<p>\u203b kiali \u306f\u5f8c\u307b\u3069\uff0e\uff0e\uff0e\uff01<\/p>\n<p><pre class=\"EnlighterJSRAW\" data-enlighter-language=\"yaml\"> istioctl dashboard grafana <\/pre>\n<\/p>\n<p><img decoding=\"async\" src=\"\/tech-blog\/cms_x3GWkuX\/wp-content\/uploads\/2021\/01\/grafana.png\" alt=\"\" \/><\/p>\n<p><pre class=\"EnlighterJSRAW\" data-enlighter-language=\"yaml\"> istioctl dashboard prometheus <\/pre>\n<\/p>\n<p><img decoding=\"async\" src=\"\/tech-blog\/cms_x3GWkuX\/wp-content\/uploads\/2021\/01\/Screen-Shot-2020-12-21-at-21.00.08.png\" alt=\"\" \/><\/p>\n<p style=\"font-size:20px\"> <strong> 6. Demo \u30a2\u30d7\u30ea\u306e\u30c7\u30d7\u30ed\u30a4 <\/strong> <\/p>\n<ul>\n<li>\u76ee\u6a19\n<ul>\n<li>\u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9 (\u8907\u6570\u306e\u30a2\u30d7\u30ea) \u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u307f\u3066\uff0ck3s \u30af\u30e9\u30b9\u30bf\u3068 Istio \u304c\u52d5\u304d\u305d\u3046\u304b\u78ba\u8a8d\u3057\u3066\u307f\u308b<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>Demo \u30a2\u30d7\u30ea\u306f <a href=\"https:\/\/github.com\/GoogleCloudPlatform\/microservices-demo\" rel=\"noopener noreferrer\" target=\"_blank\">Google \u306e microservice example repository<\/a> \u3092\u4f7f\u3044\u307e\u3059\uff01<br \/>\n12\u500b\u306e Pod \u304c\u7acb\u3061\u4e0a\u304c\u308a\u307e\u3059<br \/>\n\u6539\u3081\u3066\uff0cKiali \u3092\u8d77\u52d5\u3057\u3066\u30c8\u30dd\u30ed\u30b8\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\uff0ePod \u9593\u901a\u4fe1\u306e\u5411\u304d\u3084\u901a\u4fe1\u72b6\u6cc1\u304c\u898b\u3048\u308b\u306e\u306f\u52a9\u304b\u308a\u307e\u3059\u306d\uff0e\uff0e\uff0e\uff01<\/p>\n<p><img decoding=\"async\" src=\"\/tech-blog\/cms_x3GWkuX\/wp-content\/uploads\/2021\/01\/Screen-Shot-2021-01-04-at-20.42.58.png\" alt=\"\" \/><\/p>\n<p style=\"font-size:20px\"> <strong> 7. \u307e\u3068\u3081 <\/strong> <\/p>\n<p>Edge \u3067\u3082\u30b5\u30fc\u30d3\u30b9\u30e1\u30c3\u30b7\u30e5\u3084\u30e1\u30c8\u30ea\u30af\u30b9\u3092\u53ce\u96c6 + \u53ef\u8996\u5316\u3057\u305f\u3044\u3068\u3044\u3046\u30cb\u30fc\u30ba\u306f\u3042\u308b\u3068\u601d\u3044\u307e\u3059\uff0e<br \/>\n\u4eca\u56de\u306f\uff0ck3s \u30af\u30e9\u30b9\u30bf\u3067\u52d5\u304f\u306e\u304b\u6c17\u306b\u306a\u3063\u305f\u306e\u3067\uff0cIstio + \u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u7cfb\u306e\u30a2\u30d7\u30ea\u3092\u5c0e\u5165\u3057\u3066\u307f\u307e\u3057\u305f\uff0e<br \/>\nKubeEdge \u3068\u3044\u3046 OSS \u3067\u3082\u30ed\u30fc\u30c9\u30de\u30c3\u30d7\u306b\uff0cservice mesh \u304c\u542b\u307e\u308c\u3066\u3044\u308b\u306e\u3067\uff0c\u3053\u3061\u3089\u3082\u6c17\u306b\u306a\u308b\u3068\u3053\u308d\u3067\u3059\uff01<br \/>\n\u4ee5\u4e0a\uff0ck3s \u306b Istio \u3092\u5165\u308c\u3066\u307f\u305f\u3067\u3057\u305f\uff01<\/p>\n<p style=\"font-size:25px\"> <strong> \u53c2\u8003\u8cc7\u6599 <\/strong><\/p>\n<ul>\n<li>Running K3s with Multipass on Macbook (https:\/\/zhimin-wen.medium.com\/running-k3s-with-multipass-on-mac-fbd559966f7c)<\/li>\n<li>KubeEdge (https:\/\/kubeedge.io\/en\/docs\/roadmap\/)<br \/>\n","protected":false},"excerpt":{"rendered":"<p>k3s \u3068\u306f\uff1f Kubernetes \u3068\u3044\u3048\u3070 DX\uff08Digital Transformation\uff09\u6642\u4ee3\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u57fa\u76e4\u3068\u3057\u3066\u6709\u529b\u3067\u3059\uff0ek3s \u3068\u306f CNCF \u516c\u5f0f\u306e\u8a8d\u8a3c\u4ed8\u304d\u306e\u8efd\u91cf\u306aKubernetes\u30c7\u30a3\u30b9\u30c8\u30ea\u30d3 [&#8230;]<\/p>\n","protected":false},"author":1,"featured_media":40476,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","footnotes":""},"categories":[122],"tags":[],"class_list":["post-40278","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-kubernetes"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - 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