{"id":472144,"date":"2021-05-03T17:22:56","date_gmt":"2021-05-03T09:22:56","guid":{"rendered":"http:\/\/4563.org\/?p=472144"},"modified":"2021-05-03T17:22:56","modified_gmt":"2021-05-03T09:22:56","slug":"%e9%97%ae%e9%97%ae%e5%a4%a7%e5%ae%b6%e5%85%b3%e4%ba%8e-k8s-%e7%9a%84-deployment-%e5%88%9b%e5%bb%ba%e8%bf%87%e7%a8%8b","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=472144","title":{"rendered":"\u95ee\u95ee\u5927\u5bb6\u5173\u4e8e k8s \u7684 deployment \u521b\u5efa\u8fc7\u7a0b"},"content":{"rendered":"
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\u95ee\u95ee\u5927\u5bb6\u5173\u4e8e k8s \u7684 deployment \u521b\u5efa\u8fc7\u7a0b <\/h1>\n

<\/p>\n

\n
\u8cc7\u6df1\u5927\u4f6c : zhoudaiyu <\/span> <\/i> 0<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
<\/p>\n

\u4ece yaml \u63d0\u4ea4 api-server \u540e\u5230 Pod \u88ab\u521b\u5efa\u51fa\u6765\u7684\u6d41\u7a0b\uff0c\u7f51\u4e0a\u641c\u4e86\u4e00\u4e9b\u611f\u89c9\u8981\u4e48\u592a\u7b80\u5355\uff0c\u8981\u4e48\u8bb2\u7684\u592a\u7ec6\u4e86\uff0c\u7275\u626f\u7684\u4ee3\u7801\u592a\u591a\uff0c\u5176\u5b9e\u6211\u662f\u4e3a\u4e86\u5e94\u4ed8\u9762\u8bd5\u7684…\u6240\u4ee5\u5c31\u9700\u8981\u7c7b\u4f3c\uff1a\u7b2c\u4e00\u6b65\uff0cfoo \u7ec4\u4ef6\u548c bar \u7ec4\u4ef6\u901a\u4fe1\uff0c\u5b8c\u6210\u4e86 xx\uff0c\u7b2c\u4e8c\u6b65\uff0cxxx \u3002\u5927\u5bb6\u77e5\u9053\u54ea\u91cc\u6709\u8bb2\u8fd9\u79cd\u4e1c\u897f\u7684\u561b\uff1f\u6216\u8005\u5927\u5bb6\u603b\u7ed3\u8fc7\u5417\uff1f<\/p>\n<\/p><\/div>\n

\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (15<\/span>) <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n
    \n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : jorneyr <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u6211\u7684\u7406\u89e3\u5927\u6982\u5c31\u662f:
    1. k8s \u6536\u5230 yaml \u5185\u5bb9\uff0c\u9a8c\u8bc1 yaml \u4e2d\u7684\u5c5e\u6027
    2. yaml \u901a\u8fc7\u9a8c\u8bc1\uff0c\u7136\u540e\u4ea4\u7ed9 Development Controller\uff0c\u521b\u5efa Pod (\u540d\u5b57\u4e3a dev name + \u968f\u673a\u5b57\u7b26\u4e32)\uff0c\u540c\u65f6\u521b\u5efa ReplicaSet
    3. ReplicaSet \u53d1\u73b0 Pod \u7f3a\u5931\u7684\u65f6\u5019\u5c31\u4f1a\u521b\u5efa\u65b0\u7684 Pod \u8865\u5168 (\u628a Pod \u7684 owner reference \u8bbe\u7f6e\u4e3a ReplicaSet\uff0cPod \u88ab\u5220\u9664\u65f6 ReplicaSet \u4f1a\u6536\u5230\u901a\u77e5)<\/p>\n

    \u6211\u4eec\u73b0\u5728\u5199 Operator \u5c31\u662f\u8fd9\u4e48\u505a\u7684\u3002 <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : zhoudaiyu <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @jorneyr \u8001\u54e5\uff0c\u786e\u5b9e\u597d\u50cf\u5927\u6982\u662f\u8fd9\u6837\u5b50\u3002\u4f46\u597d\u50cf\u5c11\u4e86\u4e00\u70b9 kube-scheduler \u3001etcd \u3001kubelet \u3001docker \u76f8\u5173\u7684\u64cd\u4f5c\uff1f <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : jorneyr <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    ETCD \u5f97\u770b\u903b\u8f91\u4e86\uff0c\u4f8b\u5982 CR \u548c\u81ea\u5b9a\u4e49\u72b6\u6001\u6570\u636e\u5c31\u4fdd\u5b58\u5230 ETCD \u91cc\u7684\uff0ckubelet \u662f Node \u548c Master \u901a\u8baf\u7528\u7684\uff0cKube-Scheduler \u662f\u521b\u5efa Pod \u7684\u65f6\u5019\u51b3\u5b9a\u8981\u8c03\u5ea6\u5230\u54ea\u4e2a Node \u7528\u7684\uff0cDocker \u7684\u8bdd yaml \u7684\u5bb9\u5668\u91cc\u6307\u5b9a image \u3002<\/p>\n

    \u4e0a\u9762\u7684\u4e3b\u8981\u662f\u5173\u4e8e Development \u7684\u4ee3\u7801\u6d41\u7a0b\u3002 <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : zhoudaiyu <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @jorneyr CR \u662f\u6307\uff1f <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : PiersSoCool <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u521b\u5efa yml \u63d0\u4ea4\u5230 api server \uff08\u670d\u52a1\u76d1\u542c etcd \uff09<\/p>\n

    deploy controller \u76d1\u542c api server \u53d1\u73b0\u53d8\u66f4\u521b\u5efa rs \u5230 api server\uff0c\u5e76\u7ef4\u62a4\u5230 deploy \u6700\u7ec8\u72b6\u6001<\/p>\n

    \u521b\u5efa rs \u7684\u65f6\u5019\u5b9e\u9645\u4e0a\u4e5f\u662f\u521b\u5efa yml\uff0c\u540c\u6837\u7684 kube scheduler \u5728 api server \u76d1\u542c\uff0c\u521b\u5efa pod <\/p>\n

    \u8fd9\u91cc\u6211\u89c9\u5f97\u4e3b\u8981\u662f\u8003\u8651\u670d\u52a1\u4e0d\u53ef\u7528\uff0c\u6240\u4ee5\u6240\u6709\u4e1c\u897f\u90fd\u521b\u5efa\u5728 api server \u4e0a\uff0c\u901a\u8fc7 listen \u548c pull \u7684\u65b9\u5f0f\u76d1\u542c\u53d8\u66f4 <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : QBS <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u6700\u8fd1\u81ea\u5df1\u4e5f\u5728\u5b66 k8s\uff0c\u6211\u63a8\u8350\u4e3b\u53ef\u4ee5\u8bfb\u4e0b\u300a k8s in action \u300b\u5173\u4e8e pod \u8fd9\u8fb9\u5927\u6982\u4e5f\u5c31\u524d\u4e24\u4e09\u7ae0\u7684\u5185\u5bb9\uff0c\u5927\u6982 1 \u5c0f\u65f6\u5c31\u80fd\u8bfb\u5b8c\uff0c\u53ef\u4ee5\u5bf9\u7406\u89e3\u5f88\u591a\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : zhoudaiyu <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @QBS \u8fd9\u4e2a\u8bfb\u8fc7~\u4f46\u662f\u89c9\u5f97\u53ef\u80fd\u8fd8\u662f\u7a0d\u5fae\u6709\u4e00\u70b9\u70b9\u6d45 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : zhoudaiyu <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @PiersSoCool \u8001\u54e5 \u6211\u60f3\u4e86\u89e3\u4e00\u4e0b\u548c kubelet \u7684\u76f8\u5173\u903b\u8f91 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : Judoon <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u770b\u8d77\u6765\u8001\u54e5\u662f\u5728\u6700\u8fd1\u7684\u9762\u8bd5\u4e2d\u9047\u5230\u4e86\u8fd9\u4e2a\u95ee\u9898\u5417 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : salmon5 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @zhoudaiyu
    \u65b9\u6cd5\u4e00\uff1a\u90e8\u7f72 1 \u4e2a deployment\uff0c\u5404\u4e2a\u7ec4\u4ef6\u6253\u5f00 debug \u6a21\u5f0f\uff0c\u5206\u6790\u65e5\u5fd7\uff0c\u987a\u85e4\u6478\u74dc\u5012\u63a8\uff1b
    \u65b9\u6cd5\u4e8c\uff1a\u8bfb\u6e90\u7801\uff0c\u8fd9\u4e2a\u6027\u4ef7\u6bd4\u6700\u4f4e\uff0c\u4e00\u822c\u6ca1\u5fc5\u8981\uff1b <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : Judoon <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    1 \u6ca1\u5199\u5b8c
    apiserver \u6821\u9a8c\u6743\u9650\u4ee5\u53ca json\uff0c\u5c06\u5bf9\u5e94\u7684\u8d44\u6e90\u5199\u5165 etcd \u3002
    controller \u548c scheduler \u4f1a watch api\uff0c\u53bb\u8c03\u5ea6\u548c\u521b\u5efa rs \u7b49\uff0c
    \u6700\u540e\u662f\u67d0\u53f0\u4e3b\u673a\u7684 kubelet \u4f1a watch \u5230 api \u4e2d\u76f8\u5173\u7684\u53d8\u5316\uff0c\u8c03\u7528\u672c\u673a\u7684 docker api\uff0c\u521b\u5efa\u5bb9\u5668\u548c pod\uff0c\u5f53\u7136\uff0c\u521b\u5efa\u65f6\u4f1a\u5148\u6302\u8f7d secret,configmap \u6216\u8005 pvc \u7b49\u7b49 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : dayeye2006199 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    1. kubectl \u63d0\u4ea4 yaml \u540e\uff0c\u9996\u5148\u5ba2\u6237\u7aef\u9a8c\u8bc1\uff0c\u9a8c\u8bc1 yaml \u7684\u5b9a\u4e49\u662f\u5426\u6b63\u786e\uff1b\u5982\u679c\u6b63\u786e\u7684\u8bdd\uff0c\u751f\u6210\u53d1\u7ed9 kube-apiserver \u7684 request
    2. kube-apiserver \u6536\u5230 client \u53d1\u6765\u7684 request \u4e4b\u540e\uff0c\u8fdb\u884c\u4e00\u4e9b\u5217\u7684 client \u8ba4\u8bc1\u548c\u9274\u6743\uff0c\u786e\u4fdd client \u6709\u6743\u9650\u521b\u5efa\u8d44\u6e90\u3002
    3. request \u88ab\u4e00\u4e9b\u5217 adminssion controller \u62e6\u622a\uff0c\u8fdb\u884c\u4e00\u4e9b\u989d\u5916\u8ba1\u7b97\u548c\u9ed8\u8ba4\u503c\u8ba1\u7b97\uff0c\u4f8b\u5982\u8bbe\u5b9a\u521d\u59cb\u8d44\u6e90\u9700\u6c42\uff08\u5982\u679c client \u6ca1\u6709\u6307\u660e\u7684\u8bdd\uff09\u3002
    4. \u521b\u5efa\u8d44\u6e90\u5bf9\u8c61\uff0c\u5b58\u76d8\u5230 etcd
    5. \u8d44\u6e90\u5bf9\u8c61\u5b58\u76d8\u540e\uff0cdeployment controller \u5f00\u59cb\u63a7\u5236 loop\uff0c\u521b\u5efa replicaset
    6. relicaset controller \u5f00\u59cb\u521b\u5efa pod \u8d44\u6e90\uff1b pod \u5bf9\u8c61\u5b58\u5165 etcd\uff0c\u8fdb\u5165 pending \u72b6\u6001
    7. scheduler \u5f00\u59cb\u4ecb\u5165\uff0c\u5f00\u59cb\u68c0\u67e5\u5404\u79cd scheduling \u9650\u5236\uff08\u4f8b\u5982 taint\uff0caffinity \uff09\u548c\u8d44\u6e90\u9700\u6c42\uff0c\u7136\u540e\u627e\u5230\u53ef\u4ee5\u6ee1\u8db3\u8fd9\u4e9b\u6761\u4ef6\u7684 node \u3002\u627e\u5230 node \u540e\uff0c\u521b\u5efa\u4e00\u4e2a binding \u5bf9\u8c61\uff0c\u53d1\u8fd8\u7ed9 kube-apiserver\uff0cpod \u8fdb\u5165 scheduled \u72b6\u6001\u3002
    8. node \u4e0a\u7684 kubelet \u4f1a\u5b9a\u65f6\u67e5\u8be2 apiserver\uff0c\u6536\u5230 pod \u521b\u5efa\u4e8b\u4ef6\u540e\uff0c\u5f00\u59cb\u5728 node \u4e0a\u542f\u52a8 pod \u7684\u51c6\u5907\u5de5\u4f5c\u3002\u8fd9\u91cc\u8fc7\u7a0b\u5305\u62ec\uff0c\u51c6\u5907\u5b58\u50a8\uff0c\u62c9\u53bb image pull secret \u7b49\u3002
    9. kubelet \u901a\u8fc7 CRI \u901a\u77e5\u5bb9\u5668\u8fd0\u884c\u65f6\uff08\u4f8b\u5982 docker \uff09\u542f\u52a8\u4e00\u4e2a\u7236\u5bb9\u5668\u3002\u8fd9\u91cc\u7684\u5bb9\u5668\u4f1a\u5904\u4e8e\u6682\u505c\u7684\u9636\u6bb5\uff08\u76f4\u5230\u6240\u6709\u8bbe\u7f6e\u5b8c\u6210\uff09
    10. kubelet \u901a\u8fc7 CNI \u8bbe\u7f6e\u5bb9\u5668\u7684\u7f51\u7edc
    11. \u6240\u6709\u8bbe\u7f6e\u5b8c\u6210\u540e\uff0c\u5f00\u59cb\u521b\u5efa\u771f\u6b63\u7684\u5e94\u7528\u5bb9\u5668\uff0c\u5305\u62ec init container \u548c\u7528\u6237\u6307\u660e\u7684\u5176\u4ed6\u5bb9\u5668
    12. \u5b8c\u6210\u5de5\u4f5c\u3002<\/p>\n

    \u6211\u7684\u7406\u89e3\u662f\uff0c\u8fd9\u4e2a\u6574\u4e2a\u8fc7\u7a0b\u6709\u70b9\u50cf\u662f\u4e2a\u72b6\u6001\u673a\u3002<\/p>\n

    \u53c2\u8003\u6587\u732e\uff1a https:\/\/github.com\/jamiehannaford\/what-happens-when-k8s <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : zhoudaiyu <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @Judoon \u662f\u7684\u554a \u4e00\u6a21\u4e00\u6837\u7684\u95ee\u9898\u88ab\u95ee\u4e86 2 \u6b21 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : zhoudaiyu <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @dayeye2006199 \u8001\u54e5\u8fd9\u4e2a\u592a\u8d5e\u5566 \u6536\u85cf\u6536\u85cf <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : zhoudaiyu <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @salmon5 11 \u8001\u54e5\u8bf4\u7684\u8fd9\u4e2a\u5c31\u633a\u8be6\u7ec6\u7684\u4e86 \u597d\u50cf\u4e0d\u7528 debug \u4e86 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n","protected":false},"excerpt":{"rendered":"

    \u95ee\u95ee\u5927\u5bb6\u5173\u4e8e k8s \u7684 depl…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/472144"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=472144"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/472144\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=472144"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=472144"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=472144"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}