{"id":22668,"date":"2018-08-28T15:00:59","date_gmt":"2018-08-28T06:00:59","guid":{"rendered":"https:\/\/www.creationline.com\/?p=22668"},"modified":"2018-08-28T14:00:06","modified_gmt":"2018-08-28T05:00:06","slug":"%e5%92%8c%e8%a8%b3-%e3%82%b3%e3%83%b3%e3%83%86%e3%83%8a%e3%83%8d%e3%83%83%e3%83%88%e3%83%af%e3%83%bc%e3%82%af%e3%81%ae%e3%83%88%e3%83%a9%e3%83%96%e3%83%ab%e3%82%b7%e3%83%a5%e3%83%bc%e3%83%86","status":"publish","type":"post","link":"https:\/\/www.creationline.com\/tech-blog\/cloudnative\/docker\/22668","title":{"rendered":"[\u548c\u8a33] \u30b3\u30f3\u30c6\u30ca\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0 #docker"},"content":{"rendered":"<p>\u672c\u7a3f\u306f <a href=\"https:\/\/success.docker.com\/article\/troubleshooting-container-networking\">Troubleshooting Container Networking<\/a> \u306e 2018\/8\/27 \u6642\u70b9\u306e\u548c\u8a33\u3067\u3059\u3002Docker EE 17.06.2-EE-5\u3001UCP-2.2.3\u3001DTR-2.3.4 \u3092\u5bfe\u8c61\u3068\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2>\u554f\u984c<\/h2>\n<p>\u901a\u5e38\u3001\u30b3\u30f3\u30c6\u30ca\u9593\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u554f\u984c\u3068\u3057\u3066\u591a\u304f\u6319\u3052\u3089\u308c\u308b\u3082\u306e\u306f\u3001\u65ad\u7d9a\u7684\u306b\u63a5\u7d9a\u304c\u9014\u5207\u308c\u308b\u3068\u3044\u3046\u554f\u984c\u3067\u3059\u3002\u307e\u305f\u3001\u30b3\u30f3\u30c6\u30ca\u9593\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u63a5\u7d9a\u304c\u5b8c\u5168\u306b\u5931\u6557\u3057\u3066\u3044\u308b\u3068\u3044\u3046\u30b1\u30fc\u30b9\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u624b\u9806\u66f8\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u63a5\u7d9a\u306b\u95a2\u3059\u308b\u554f\u984c\u306e\u6839\u672c\u539f\u56e0\u3092\u7279\u5b9a\u3059\u308b\u305f\u3081\u306b\u3001\u5fc5\u8981\u306a\u60c5\u5831\u3092\u96c6\u3081\u308b\u624b\u9806\u3092\u793a\u3059\u3082\u306e\u3067\u3059\u3002<\/p>\n<h2>\u524d\u63d0\u6761\u4ef6<\/h2>\n<p>\u307e\u305a\u3001\u5f71\u97ff\u3092\u53d7\u3051\u3066\u3044\u308bDocker Swarm\u30b5\u30fc\u30d3\u30b9\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304a\u3088\u3073\u30db\u30b9\u30c8\u306a\u3069\u306e\u540d\u524d\u3092\u7279\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<p>\u6b63\u3057\u304f\u5fdc\u7b54\u3057\u3066\u3044\u306a\u3044\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u9001\u3063\u3066\u3044\u308bDocker\u30db\u30b9\u30c8\u3092\u7279\u5b9a\u3057\u307e\u3059\u3002\u3082\u3057\u30ea\u30af\u30a8\u30b9\u30c8\u3092Ingress\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u901a\u3057\u3066\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u30b5\u30fc\u30d3\u30b9\u3078\u3001\u305d\u3057\u3066\u5225\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u901a\u3058\u3066\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u30b5\u30fc\u30d3\u30b9\u3078\u3068\u9001\u3063\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u554f\u984c\u3092\u524d\u534a\u3068\u5f8c\u534a\u306b\u5206\u3051\u3001netshoot\u3092\u4f7f\u7528\u3057\u3066\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u304b\u3089\u76f4\u63a5\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u30b5\u30fc\u30d3\u30b9\u306b\u63a5\u7d9a\u3057\u3066\u6b21\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u3092\u958b\u59cb\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<h2>\u89e3\u6c7a\u7b56<\/h2>\n<p>\u30b3\u30f3\u30c6\u30ca\u9593\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u554f\u984c\u3092\u89e3\u6c7a\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u30e6\u30fc\u30b6\u5b9a\u7fa9\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u691c\u67fb\u304b\u3089\u59cb\u3081\u307e\u3059\u3002\u554f\u984c\u304c\u898b\u3064\u304b\u3089\u306a\u3044\u5834\u5408\u306f\u3001Ingress\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306b\u9032\u307f\u307e\u3057\u3087\u3046\u3002\u305d\u306e\u4e21\u8005\u306e\u624b\u9806\u306f\u6b21\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n<h3>\u30e6\u30fc\u30b6\u5b9a\u7fa9\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0<\/h3>\n<ol>\n<li>\u5f71\u97ff\u3092\u53d7\u3051\u3066\u3044\u308b\"\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\"\u30b3\u30f3\u30c6\u30ca\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30cd\u30fc\u30e0\u30b9\u30da\u30fc\u30b9\u3092\u4f7f\u7528\u3057\u3066netshoot\u3092\u958b\u59cb\u3057\u307e\u3059:<\/li>\n<\/ol>\n<p><code lang=\"bash\"><br \/>\ndocker run -it --rm --net container:<container_name> nicolaka\/netshoot<br \/>\n<\/code><\/p>\n<ol>\n<li>\u3059\u3079\u3066\u306e\u30d0\u30c3\u30af\u30a8\u30f3\u30c9IP\u30a2\u30c9\u30ec\u30b9\u3092\u8abf\u3079\u307e\u3059:<\/li>\n<\/ol>\n<p><code lang=\"bash\"><br \/>\nnslookup tasks.backend_service_name 2>\/dev\/null |awk '$1==\"Address\"{print $3}'<br \/>\n<\/code><\/p>\n<ol>\n<li>\u5404\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u30bf\u30b9\u30af\u306eIP\u30a2\u30c9\u30ec\u30b9\u306b\u5bfe\u3057\u3066\u3001\u5f85\u3061\u53d7\u3051\u3066\u3044\u308b\u3079\u304d\u30dd\u30fc\u30c8\u756a\u53f7\u306b\u5bfe\u3057\u3066\u3001netcat\u3067TCP\u30c6\u30b9\u30c8\u3092\u5b9f\u884c\u3057\u307e\u3059:<\/li>\n<\/ol>\n<p><code lang=\"bash\"><br \/>\nfor backend_ip in $(nslookup tasks.<backend_service_name> > 2>\/dev\/null |awk '$1==\"Address\"{print $3}'); do<br \/>\nnc -zw2 $backend_ip <listening_port> \uff06>\/dev\/null || echo $backend_ip failed;<br \/>\ndone<br \/>\n<\/code><\/p>\n<blockquote>\n<ul>\n<li>\uff1cbackend_service_name\uff1e\u00a0\u306f\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u30b5\u30fc\u30d3\u30b9\u540d\u306b\u7f6e\u304d\u63db\u3048\u307e\u3059\u3002<\/li>\n<li>\uff1clistening_port\uff1e\u00a0\u306f\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u30bf\u30b9\u30af\u3092\u5f85\u3061\u53d7\u3051\u3057\u3066\u3044\u308b\u30dd\u30fc\u30c8\u756a\u53f7\u306b\u7f6e\u304d\u63db\u3048\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/blockquote>\n<ol>\n<li>\n<p>\u63a5\u7d9a\u306b\u5931\u6557\u3057\u3066\u3044\u306a\u3044\u304c\u3001Ingress\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u901a\u3058\u3066\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u9001\u4fe1\u306b\u554f\u984c\u304c\u767a\u751f\u3057\u7d9a\u3051\u3066\u3044\u308b\u5834\u5408\u306f\u3001Ingress\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u306b\u9032\u307f\u307e\u3057\u3087\u3046\u3002\u63a5\u7d9a\u306b\u5931\u6557\u304c\u306a\u304f\u3001\u554f\u984c\u304c\u30b3\u30f3\u30c6\u30ca\u9593\u306b\u306e\u307f\u767a\u751f\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u30bf\u30b9\u30af\u304c\u5931\u6557\u3059\u308b\u307e\u3067\u5225\u306e\u30b5\u30fc\u30d3\u30b9\u7fa4\u3042\u308b\u3044\u306f\u30db\u30b9\u30c8\u7fa4\u3092\u30c1\u30a7\u30c3\u30af\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p>\u5931\u6557\u3057\u305f\u30d0\u30c3\u30af\u30a8\u30f3\u30c9IP\u30a2\u30c9\u30ec\u30b9\u304c\u3042\u3063\u305f\u5834\u5408\u306f\u3001\u5f71\u97ff\u3092\u53d7\u3051\u305fIP\u30a2\u30c9\u30ec\u30b9\u306e\u9006\u5f15\u304d\u3092\u884c\u3044\u3001\u305d\u306e\u30b5\u30fc\u30d3\u30b9\u540d\u3068\u30bf\u30b9\u30afID\u3092\u7279\u5b9a\u3057\u307e\u3059:<\/p>\n<\/li>\n<\/ol>\n<p><code lang=\"bash\"><br \/>\nnslookup \uff1cIP\u30a2\u30c9\u30ec\u30b9\uff1e<br \/>\n<\/code><\/p>\n<blockquote>\n<p>\u7d50\u679c\u306f service<em>name.slot.taskid.network<\/em>name \u3068\u3044\u3046\u5f62\u306b\u306a\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n<\/blockquote>\n<ol>\n<li>netshoot\u30b3\u30f3\u30c6\u30ca\u304b\u3089\u51fa\u3066\u30012\u3064\u306e\u30b3\u30f3\u30c6\u30ca\u9593\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u5bfe\u3057\u3066 docker network inspect -v \u306e\u7d50\u679c\u3092\u53ce\u96c6\u3057\u307e\u3059\u3002netcat\u30c6\u30b9\u30c8\u306b\u5931\u6557\u3057\u305f\u3001Services\u30bb\u30af\u30b7\u30e7\u30f3\u5185\u306e\u30bf\u30b9\u30af\u306eHostIP\u3092\u66f8\u304d\u7559\u3081\u307e\u3059\u3002<br \/>\n7.\u30de\u30cd\u30fc\u30b8\u30e3\u30ce\u30fc\u30c9\u4e0a\u3067\u3001\u5931\u6557\u3057\u305f\u3059\u3079\u3066\u306e\u30b5\u30fc\u30d3\u30b9\u540d\u3068\u30bf\u30b9\u30af\u540d\u306b\u3064\u3044\u3066\u3001\u6b21\u306e\u7d50\u679c\u3092\u53ce\u96c6\u3057\u307e\u3059:<\/li>\n<\/ol>\n<p><code lang=\"bash\"><br \/>\ndocker service ps <service_name><br \/>\ndocker inspect --type task <task_id><br \/>\n<\/code><\/p>\n<ol>\n<li>\u307e\u3060\u5b58\u5728\u3057\u3066\u3044\u308b\u30bf\u30b9\u30af\u306b\u3064\u3044\u3066\u306f (\u300cinspect --type\u00a0\u30bf\u30b9\u30af\u300d\u306e\u51fa\u529b\u7d50\u679c\u3092\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046)\u3001Created\u3068Updated\u306e\u6642\u9593\u3092\u8a18\u9332\u3057\u307e\u3059\u3002netshoot\u30db\u30b9\u30c8\u3001\u3059\u3079\u3066\u306e\u30de\u30cd\u30fc\u30b8\u30e3\u30ce\u30fc\u30c9\u3001\u305d\u3057\u3066HostIP\u306b\u3088\u3063\u3066\u7279\u5b9a\u3057\u305f\u5fdc\u7b54\u3057\u3066\u3044\u306a\u3044\u30bf\u30b9\u30af\u306e\u30db\u30b9\u30c8\u304b\u3089\u3001\u3053\u306e\u6642\u9593\u5e2f\u3092\u30ab\u30d0\u30fc\u3057\u3066\u3044\u308bDocker\u30c7\u30fc\u30e2\u30f3\u306e\u30ed\u30b0\u3092\u53ce\u96c6\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n<p>Docker\u30c7\u30fc\u30e2\u30f3\u304cjournald\u306b\u8a18\u9332\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u4f8b\u3048\u3070\u6b21\u306e\u3088\u3046\u306b\u3057\u307e\u3059:<\/p>\n<p><code lang=\"bash\"><br \/>\njournalctl -u docker --no-pager --since \"YYYY-MM-DD 00:00\" --until \"YYYY-MM-DD 00:00\"<br \/>\n<\/code><\/p>\n<ol>\n<li>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30d1\u30b9\u5185\u306e\u3059\u3079\u3066\u306e\u30db\u30b9\u30c8\u304b\u3089 <a href=\"https:\/\/github.com\/adamancini\/libnetwork\/blob\/improved_support_script\/support.sh\">https:\/\/github.com\/adamancini\/libnetwork\/blob\/master\/support.sh<\/a> \u306e\u51fa\u529b\u3092\u53ce\u96c6\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u30ab\u30fc\u30cd\u30eb\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3092\u516c\u958b\u3057\u3001\u691c\u8a3c\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n<h3>Ingress\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0<\/h3>\n<p>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4e0a\u306e\u7406\u7531\u306b\u3088\u308aIngress\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u306e\u30b5\u30fc\u30d3\u30b9\u30c7\u30a3\u30b9\u30ab\u30d0\u30ea\u3092\u7121\u52b9\u5316\u3057\u3066\u3044\u308b\u306e\u3067\u3001\u30c6\u30b9\u30c8\u7528\u306b\u78ba\u7acb\u3059\u308b\u30d0\u30c3\u30af\u30a8\u30f3\u30c9IP\u30a2\u30c9\u30ec\u30b9\u306b\u5bfe\u3057\u3066\u3001nslookup tasks.service\u3092\u4f7f\u3046\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u4ee3\u308f\u308a\u306b\u30ab\u30fc\u30cd\u30eb\u306eipvs\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b5\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n<ol>\n<li>\u30de\u30cd\u30fc\u30b8\u30e3\u30ce\u30fc\u30c9\u4e0a\u3067\u3001Ingress\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\uff08\u3053\u3053\u3067\u306f\u30b5\u30fc\u30d3\u30b9\u540d\u306b\u7f6e\u304d\u63db\u3048\u3066\u3044\u307e\u3059\uff09\u4e0a\u306e\u30b5\u30fc\u30d3\u30b9\u7528VIP\u3092\u7279\u5b9a\u3059\u308b\u305f\u3081\u3001docker service inspect\u3092\u5b9f\u884c\u3057\u307e\u3059:<\/li>\n<\/ol>\n<p><code lang=\"bash\"><br \/>\ningress_id=$(docker network ls -qf name=ingress --no-trunc); docker service inspect <service_name> --format '{{range .Endpoint.VirtualIPs}}{{if eq \"'${ingress_id}'\" .NetworkID}}{{.Addr}}{{end}}{{end}}'<br \/>\n<\/code><\/p>\n<ol>\n<li>curl\u3092\u7528\u3044\u3066\u3001\u30b5\u30fc\u30d3\u30b9\u306eIngress\u516c\u958b\u6e08\u307f\u30dd\u30fc\u30c8\u3078\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30ea\u30af\u30a8\u30b9\u30c8\u306b\u5bfe\u3057\u3066\u3001\u6b63\u3057\u304f\u5fdc\u7b54\u3057\u3066\u3044\u308bDocker\u30db\u30b9\u30c8\u3092\u7279\u5b9a\u3057\u307e\u3059:<\/li>\n<\/ol>\n<p><code lang=\"bash\"><br \/>\ncurl -4 -H 'Host: myapp.example.com' http:\/\/host:<listening_port>\n<\/code><\/p>\n<ol>\n<li>netshoot\u30b3\u30f3\u30c6\u30ca\u3092\u4f7f\u7528\u3057\u3066\u3001\u305d\u306e\u30db\u30b9\u30c8\u4e0a\u306eingress_sbox\u30cd\u30fc\u30e0\u30b9\u30da\u30fc\u30b9\u306b\u5165\u308a\u307e\u3059:<\/li>\n<\/ol>\n<p><code lang=\"bash\"><br \/>\ndocker run -it --rm -v \/var\/run\/docker\/netns:\/netns --privileged=true nicolaka\/netshoot nsenter --net=\/netns\/ingress_sbox sh<br \/>\n<\/code><\/p>\n<ol>\n<li>\u554f\u984c\u306e\u30b5\u30fc\u30d3\u30b9\u306b\u3064\u3044\u3066\u300110\u9032\u6570\u306eIngress\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u30de\u30fc\u30af\u3092\u8abf\u3079\u307e\u3059:<\/li>\n<\/ol>\n<p><code lang=\"bash\"><br \/>\niptables -nvL -t mangle |awk '\/<vip>\/ {printf(\"%d\", $NF)}'; echo<br \/>\n<\/code><\/p>\n<blockquote>\n<p>\uff1cvip\uff1e\u306f\u3001docker service inspect\u30b3\u30de\u30f3\u30c9\u306b\u3088\u3063\u3066\u78ba\u8a8d\u3057\u305f\u30b5\u30fc\u30d3\u30b9\u306eIP\u30a2\u30c9\u30ec\u30b9\u3067\u7f6e\u304d\u63db\u3048\u307e\u3059\u3002<\/p>\n<\/blockquote>\n<ol>\n<li>ipvsadm\u3092\u4f7f\u3063\u3066\u3059\u3079\u3066\u306e\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u30bf\u30b9\u30af\u306eIP\u30a2\u30c9\u30ec\u30b9\u3092\u8a18\u8f09\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n<p><code lang=\"bash\"><br \/>\nipvsadm -l -f <fwmark><br \/>\n<\/code><\/p>\n<blockquote>\n<p>\uff1cfwmark\uff1e\u306f\u3001iptables\u306emangle\u30c6\u30fc\u30d6\u30eb\u304b\u3089\u62bd\u51fa\u3057\u305f10\u9032\u6570\u306e\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u30de\u30fc\u30af\u3067\u7f6e\u304d\u63db\u3048\u307e\u3059\u3002<\/p>\n<\/blockquote>\n<ol>\n<li>\u5404\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u30bf\u30b9\u30af\u306eIP\u30a2\u30c9\u30ec\u30b9\u3067\u5f85\u3061\u53d7\u3051\u3057\u3066\u3044\u308b\u3079\u304d\u30dd\u30fc\u30c8\u756a\u53f7\u306b\u5bfe\u3057\u3066\u3001netcat TCP\u30c6\u30b9\u30c8\u3092\u5b9f\u884c\u3057\u307e\u3059:<\/li>\n<\/ol>\n<p><code lang=\"bash\"><br \/>\nfor backend_ip in $(ipvsadm -l -f <fwmark> |awk 'NR>3{print $2}' |cut -d: -f1); do<br \/>\nnc -zw1 $backend_ip <listening_port> \uff06>\/dev\/null || echo $backend_ip failed;<br \/>\ndone<br \/>\n<\/code><\/p>\n<blockquote>\n<ul>\n<li>\uff1clistening_port\uff1e\u306f\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u30bf\u30b9\u30af\u3092\u5f85\u3061\u53d7\u3051\u3057\u3066\u3044\u308b\u30dd\u30fc\u30c8\u756a\u53f7\u306b\u7f6e\u304d\u63db\u3048\u307e\u3059\u3002<\/li>\n<li>\uff1cfwmark\uff1e\u306f\u3001iptables\u306emangle\u30c6\u30fc\u30d6\u30eb\u304b\u3089\u62bd\u51fa\u3057\u305f10\u9032\u6570\u306e\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u30de\u30fc\u30af\u306b\u7f6e\u304d\u63db\u3048\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/blockquote>\n<ol>\n<li>netshoot\u30b3\u30f3\u30c6\u30ca\u304b\u3089\u51fa\u3066\u3001docker network inspect -v ingress\u306e\u7d50\u679c\u3092\u53ce\u96c6\u3057\u307e\u3059\u3002\u5931\u6557\u3057\u305f\u30d0\u30c3\u30af\u30a8\u30f3\u30c9IP\u30a2\u30c9\u30ec\u30b9\u306e\u3001\u3059\u3079\u3066\u306e\u30bf\u30b9\u30af\u306eHostIP\u3001\u30b5\u30fc\u30d3\u30b9\u540d\u3001\u30bf\u30b9\u30afID\u3092\u66f8\u304d\u7559\u3081\u307e\u3059\u3002<\/li>\n<li>\u30de\u30cd\u30fc\u30b8\u30e3\u30ce\u30fc\u30c9\u4e0a\u3067\u3001\u5931\u6557\u3057\u305f\u3059\u3079\u3066\u306e\u30b5\u30fc\u30d3\u30b9\u540d\u3068\u30bf\u30b9\u30af\u540d\u306b\u3064\u3044\u3066\u3001\u6b21\u306e\u7d50\u679c\u3092\u53ce\u96c6\u3057\u307e\u3059:<\/li>\n<\/ol>\n<p><code lang=\"bash\"><br \/>\ndocker service ps <service_name><br \/>\ndocker inspect --type task <task_id><br \/>\n<\/code><\/p>\n<ol>\n<li>\u307e\u3060\u5b58\u5728\u3059\u308b\u30bf\u30b9\u30af(inspect --type\u00a0\u30bf\u30b9\u30af\u306e\u51fa\u529b\u3092\u78ba\u8a8d\u3057\u307e\u3059)\u306b\u3064\u3044\u3066\u306f\u3001Created\u3068Updated\u306e\u6642\u9593\u3092\u8a18\u9332\u3057\u307e\u3059\u3002netshoot\u30db\u30b9\u30c8\u3001\u3059\u3079\u3066\u306e\u30de\u30cd\u30fc\u30b8\u30e3\u30ce\u30fc\u30c9\u3001\u305d\u3057\u3066HostIP\u306b\u3088\u3063\u3066\u7279\u5b9a\u3057\u305f\u3001\u5fdc\u7b54\u3057\u3066\u3044\u306a\u3044\u30bf\u30b9\u30af\u306e\u30db\u30b9\u30c8\u304b\u3089\u3001\u3053\u306e\u6642\u9593\u5e2f\u3092\u30ab\u30d0\u30fc\u3057\u3066\u3044\u308bDocker\u30c7\u30fc\u30e2\u30f3\u306e\u30ed\u30b0\u3092\u53ce\u96c6\u3057\u307e\u3059\u3002<br \/>\nDocker\u30c7\u30fc\u30e2\u30f3\u304cjournald\u306b\u8a18\u9332\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u4f8b\u3048\u3070\u6b21\u306e\u3088\u3046\u306b\u3057\u307e\u3059:<\/li>\n<\/ol>\n<p><code lang=\"bash\"><br \/>\njournalctl -u docker --no-pager --since \"YYYY-MM-DD 00:00\" --until \"YYYY-MM-DD 00:00\"<br \/>\n<\/code><\/p>\n<ol>\n<li>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30d1\u30b9\u5185\u306e\u3059\u3079\u3066\u306e\u30db\u30b9\u30c8\u304b\u3089 <a href=\"https:\/\/github.com\/docker\/libnetwork\/blob\/master\/support\/support.sh\">https:\/\/github.com\/docker\/libnetwork\/blob\/master\/support\/support.sh<\/a> \u306e\u51fa\u529b\u3092\u96c6\u3081\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u30ab\u30fc\u30cd\u30eb\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3092\u516c\u958b\u3057\u3001\u691c\u8a3c\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<br \/>\n","protected":false},"excerpt":{"rendered":"<p>\u672c\u7a3f\u306f Troubleshooting Container Networking \u306e 2018\/8\/27 \u6642\u70b9\u306e\u548c\u8a33\u3067\u3059\u3002Docker EE 17.06.2-EE-5\u3001UCP-2.2.3\u3001DTR-2.3.4 \u3092\u5bfe\u8c61\u3068\u3057\u3066 [&#8230;]<\/p>\n","protected":false},"author":2,"featured_media":21749,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","footnotes":""},"categories":[43],"tags":[],"class_list":["post-22668","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-docker"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>[\u548c\u8a33] \u30b3\u30f3\u30c6\u30ca\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0 #docker - Tech Blog\uff5c\u30af\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u30e9\u30a4\u30f3<\/title>\n<meta name=\"description\" content=\"Docker |\u672c\u7a3f\u306f Troubleshooting Container Networking \u306e 2018\/8\/27 \u6642\u70b9\u306e\u548c\u8a33\u3067\u3059\u3002Docker EE\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.creationline.com\/tech-blog\/cloudnative\/docker\/22668\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[\u548c\u8a33] \u30b3\u30f3\u30c6\u30ca\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0 #docker - Tech Blog\uff5c\u30af\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u30e9\u30a4\u30f3\" \/>\n<meta property=\"og:description\" content=\"Docker |\u672c\u7a3f\u306f Troubleshooting Container Networking \u306e 2018\/8\/27 \u6642\u70b9\u306e\u548c\u8a33\u3067\u3059\u3002Docker EE\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.creationline.com\/tech-blog\/cloudnative\/docker\/22668\" \/>\n<meta property=\"og:site_name\" content=\"Tech 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content=\"\u63a8\u5b9a\u8aad\u307f\u53d6\u308a\u6642\u9593\" \/>\n\t<meta name=\"twitter:data2\" content=\"1\u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.creationline.com\\\/tech-blog\\\/cloudnative\\\/docker\\\/22668#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.creationline.com\\\/tech-blog\\\/cloudnative\\\/docker\\\/22668\"},\"author\":{\"name\":\"Daisuke Higuchi\",\"@id\":\"https:\\\/\\\/www.creationline.com\\\/tech-blog\\\/#\\\/schema\\\/person\\\/16f1373831fb6fd17387f16ae1195206\"},\"headline\":\"[\u548c\u8a33] \u30b3\u30f3\u30c6\u30ca\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0 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