{"id":2497,"date":"2021-03-25T15:47:32","date_gmt":"2021-03-25T07:47:32","guid":{"rendered":"http:\/\/39.97.231.10\/?p=2497"},"modified":"2022-03-19T02:02:01","modified_gmt":"2022-03-18T18:02:01","slug":"etcd%e5%8d%95%e6%9c%ba%e5%b8%b8%e7%94%a8%e5%91%bd%e4%bb%a4","status":"publish","type":"post","link":"http:\/\/www.weijing.co\/?p=2497","title":{"rendered":"ETCD\u5355\u673a\u5e38\u7528\u547d\u4ee4"},"content":{"rendered":"

\u4eceGithub\u4e0a\u4e0b\u8f7d\u5e76\u89e3\u538b\u5b89\u88c5\u5305<\/h3>\n
\n
wget https:\/\/github.com\/coreos\/etcd\/releases\/download\/v3.4.14\/etcd-v3.4.14-linux-amd64.tar.gz\ntar xzvf etcd-v3.4.14-linux-amd64.tar.gz\nmv etcd-v3.4.14-linux-amd64 \/tmp\/etcd\n## \u89e3\u538b\u540e\u662f\u4e00\u4e9b\u6587\u6863\u548c\u4e24\u4e2a\u4e8c\u8fdb\u5236\u6587\u4ef6etcd\u548cetcdctl\u3002etcd\u662fserver\u7aef\uff0cetcdctl\u662f\u5ba2\u6237\u7aef\u3002<\/pre>\n<\/div>\n
\u542f\u52a8\u4e00\u4e2a\u5355\u8282\u70b9\u7684etcd\u670d\u52a1\uff0c\u53ea\u9700\u8981\u8fd0\u884cetcd\u547d\u4ee4\u5c31\u884c\u3002<\/p>\n
.\/etcd\n<\/code><\/pre>\n
<\/h2>\n
\u914d\u7f6e\u4fe1\u606f<\/h2>\n
\u4e3a\u4e86\u53ef\u4ee5\u4f7f\u7528\u7cfb\u7edf\u547d\u4ee4\u8fd0\u884cetcd\uff0c\u5c06\u6587\u4ef6\u5939\u4e0b\u7684\u4e8c\u8fdb\u5236\u6587\u4ef6\u590d\u5236\u5230bin\u4e0b<\/p>\n
cp \/tmp\/<\/span>etcd\/etcd* \/<\/span>usr\/local\/<\/span>bin\/\n<\/code><\/pre>\n
\u8bbe\u5b9aetcd\u914d\u7f6e\u6587\u4ef6<\/strong><\/p>\n
mkdir -p \/var\/lib<\/span>\/etcd<\/span>\/<\/span>\nmkdir -p \/opt\/etcd\/config\/\nchmod 700<\/span> \/var\/lib<\/span>\/etcd<\/span> #\u6ce8\u610f\u4fee\u6539\u6743\u9650\uff0c\u5426\u5219\u65e0\u6cd5\u542f\u52a8<\/span><\/span><\/pre>\n
<\/code><\/pre>\n
\u521b\u5efaetcd\u914d\u7f6e\u6587\u4ef6<\/strong><\/p>\n
<\/code><\/pre>\n
    \n
  1. \n
    \n
    <\/div>\n<\/div>\n
    \n
    cat<\/span> <<EOF | sudo tee \/opt\/etcd\/config\/etcd.conf<\/span><\/div>\n<\/div>\n<\/li>\n
  2. \n
    \n
    <\/div>\n<\/div>\n
    \n
    #\u8282\u70b9\u540d\u79f0<\/span><\/div>\n<\/div>\n<\/li>\n
  3. \n
    \n
    <\/div>\n<\/div>\n
    \n
    ETCD_NAME<\/span>=$(hostname -s)<\/span><\/div>\n<\/div>\n<\/li>\n
  4. \n
    \n
    <\/div>\n<\/div>\n
    \n
    #\u6570\u636e\u5b58\u653e\u4f4d\u7f6e<\/span><\/div>\n<\/div>\n<\/li>\n
  5. \n
    \n
    <\/div>\n<\/div>\n
    \n
    ETCD_DATA_DIR<\/span>=\/var\/lib\/etcd<\/span><\/div>\n<\/div>\n<\/li>\n
  6. \n
    \n
    <\/div>\n<\/div>\n
    \n
    EOF<\/span><\/div>\n<\/div>\n<\/li>\n<\/ol>\n
    <\/code><\/pre>\n
    <\/a><\/a><\/a><\/h3>\n
    <\/a><\/a>\u521b\u5efasystemd\u914d\u7f6e\u6587\u4ef6<\/h3>\n
    <\/code><\/pre>\n
      \n
    1. \n
      \n
      <\/div>\n<\/div>\n
      \n
      cat<\/span> <<EOF | sudo tee \/etc\/systemd\/system\/etcd.service<\/span><\/div>\n<\/div>\n<\/li>\n
    2. \n
      \n
      <\/div>\n<\/div>\n
      \n
      <\/div>\n<\/div>\n<\/li>\n
    3. \n
      \n
      <\/div>\n<\/div>\n
      \n
      [Unit]<\/span><\/div>\n<\/div>\n<\/li>\n
    4. \n
      \n
      <\/div>\n<\/div>\n
      \n
      Description<\/span>=Etcd Server<\/span><\/div>\n<\/div>\n<\/li>\n
    5. \n
      \n
      <\/div>\n<\/div>\n
      \n
      Documentation<\/span>=https:\/\/github.com\/coreos\/etcd<\/span><\/div>\n<\/div>\n<\/li>\n
    6. \n
      \n
      <\/div>\n<\/div>\n
      \n
      After<\/span>=network.target<\/span><\/div>\n<\/div>\n<\/li>\n
    7. \n
      \n
      <\/div>\n<\/div>\n
      \n
      <\/div>\n<\/div>\n<\/li>\n
    8. \n
      \n
      <\/div>\n<\/div>\n
      \n
      [Service]<\/span><\/div>\n<\/div>\n<\/li>\n
    9. \n
      \n
      <\/div>\n<\/div>\n
      \n
      User<\/span>=root<\/span><\/div>\n<\/div>\n<\/li>\n
    10. \n
      \n
      <\/div>\n<\/div>\n
      \n
      Type<\/span>=notify<\/span><\/div>\n<\/div>\n<\/li>\n
    11. \n
      \n
      <\/div>\n<\/div>\n
      \n
      EnvironmentFile<\/span>=-\/opt\/etcd\/config\/etcd.conf<\/span><\/div>\n<\/div>\n<\/li>\n
    12. \n
      \n
      <\/div>\n<\/div>\n
      \n
      ExecStart<\/span>=\/tmp\/etcd\/etcd<\/span><\/div>\n<\/div>\n<\/li>\n
    13. \n
      \n
      <\/div>\n<\/div>\n
      \n
      Restart<\/span>=on-failure<\/span><\/div>\n<\/div>\n<\/li>\n
    14. \n
      \n
      <\/div>\n<\/div>\n
      \n
      RestartSec<\/span>=10s<\/span><\/div>\n<\/div>\n<\/li>\n
    15. \n
      \n
      <\/div>\n<\/div>\n
      \n
      LimitNOFILE<\/span>=40000<\/span><\/div>\n<\/div>\n<\/li>\n
    16. \n
      \n
      <\/div>\n<\/div>\n
      \n
      <\/div>\n<\/div>\n<\/li>\n
    17. \n
      \n
      <\/div>\n<\/div>\n
      \n
      [Install]<\/span><\/div>\n<\/div>\n<\/li>\n
    18. \n
      \n
      <\/div>\n<\/div>\n
      \n
      WantedBy<\/span>=multi-user.target<\/span><\/div>\n<\/div>\n<\/li>\n
    19. \n
      \n
      <\/div>\n<\/div>\n
      \n
      EOF<\/span><\/div>\n<\/div>\n<\/li>\n<\/ol>\n
      <\/code><\/pre>\n
      <\/a><\/a>ExecStart\u662fetcd\u7684\u542f\u52a8\u8def\u5f84\uff0cEnvironmentFile\u662fetcd\u7684\u914d\u7f6e\u6587\u4ef6\u5b58\u653e\u8def\u5f84\uff0c\u6839\u636e\u4f60\u7684\u60c5\u51b5\u4fee\u6539\u4e00\u4e0b<\/p>\n
      <\/a><\/a>\u542f\u52a8etcd<\/h3>\n
      systemctl daemon-reload && systemctl enable etcd && systemctl start<\/span> etcd\n<\/code><\/pre>\n
      \u57fa\u672c\u64cd\u4f5c<\/strong><\/p>\n
      <\/code><\/pre>\n
        \n
      1. \n
        \n
        <\/div>\n<\/div>\n
        \n
        etcdctl -h<\/div>\n<\/div>\n<\/li>\n
      2. \n
        \n
        <\/div>\n<\/div>\n
        \n
        NAME:<\/div>\n<\/div>\n<\/li>\n
      3. \n
        \n
        <\/div>\n<\/div>\n
        \n
        etcdctl – A simple command line client for etcd3.<\/div>\n<\/div>\n<\/li>\n
      4. \n
        \n
        <\/div>\n<\/div>\n
        \n
        <\/div>\n<\/div>\n<\/li>\n
      5. \n
        \n
        <\/div>\n<\/div>\n
        \n
        USAGE:<\/div>\n<\/div>\n<\/li>\n
      6. \n
        \n
        <\/div>\n<\/div>\n
        \n
        etcdctl [flags]<\/div>\n<\/div>\n<\/li>\n
      7. \n
        \n
        <\/div>\n<\/div>\n
        \n
        <\/div>\n<\/div>\n<\/li>\n
      8. \n
        \n
        <\/div>\n<\/div>\n
        \n
        VERSION:<\/div>\n<\/div>\n<\/li>\n
      9. \n
        \n
        <\/div>\n<\/div>\n
        \n
        3.4.10<\/div>\n<\/div>\n<\/li>\n
      10. \n
        \n
        <\/div>\n<\/div>\n
        \n
        <\/div>\n<\/div>\n<\/li>\n
      11. \n
        \n
        <\/div>\n<\/div>\n
        \n
        API VERSION:<\/div>\n<\/div>\n<\/li>\n
      12. \n
        \n
        <\/div>\n<\/div>\n
        \n
        3.4<\/div>\n<\/div>\n<\/li>\n
      13. \n
        \n
        <\/div>\n<\/div>\n
        \n
        <\/div>\n<\/div>\n<\/li>\n
      14. \n
        \n
        <\/div>\n<\/div>\n
        \n
        <\/div>\n<\/div>\n<\/li>\n
      15. \n
        \n
        <\/div>\n<\/div>\n
        \n
        COMMANDS:<\/div>\n<\/div>\n<\/li>\n
      16. \n
        \n
        <\/div>\n<\/div>\n
        \n
        alarm disarm Disarms all alarms<\/div>\n<\/div>\n<\/li>\n
      17. \n
        \n
        <\/div>\n<\/div>\n
        \n
        alarm list Lists all alarms<\/div>\n<\/div>\n<\/li>\n
      18. \n
        \n
        <\/div>\n<\/div>\n
        \n
        auth disable Disables authentication<\/div>\n<\/div>\n<\/li>\n
      19. \n
        \n
        <\/div>\n<\/div>\n
        \n
        auth enable Enables authentication<\/div>\n<\/div>\n<\/li>\n
      20. \n
        \n
        <\/div>\n<\/div>\n
        \n
        check<\/span> datascale Check<\/span> the memory<\/span> usage<\/span> of<\/span> holding data<\/span> for<\/span> different workloads on<\/span> a given server<\/span> endpoint.<\/div>\n<\/div>\n<\/li>\n
      21. \n
        \n
        <\/div>\n<\/div>\n
        \n
        check<\/span> perf Check<\/span> the performance<\/span> of<\/span> the etcd cluster<\/div>\n<\/div>\n<\/li>\n
      22. \n
        \n
        <\/div>\n<\/div>\n
        \n
        compaction Compacts the event<\/span> history in<\/span> etcd<\/div>\n<\/div>\n<\/li>\n
      23. \n
        \n
        <\/div>\n<\/div>\n
        \n
        defrag Defragments the storage<\/span> of<\/span> the etcd members with<\/span> given endpoints<\/div>\n<\/div>\n<\/li>\n
      24. \n
        \n
        <\/div>\n<\/div>\n
        \n
        del Removes the specified key<\/span> or<\/span> range<\/span> of<\/span> keys<\/span> [key<\/span>, range_end)<\/div>\n<\/div>\n<\/li>\n
      25. \n
        \n
        <\/div>\n<\/div>\n
        \n
        elect Observes and<\/span> participates in<\/span> leader election<\/div>\n<\/div>\n<\/li>\n
      26. \n
        \n
        <\/div>\n<\/div>\n
        \n
        endpoint hashkv Prints the KV history hash<\/span> for<\/span> each<\/span> endpoint in<\/span> –endpoints<\/span><\/div>\n<\/div>\n<\/li>\n
      27. \n
        \n
        <\/div>\n<\/div>\n
        \n
        endpoint health Checks the healthiness of<\/span> endpoints specified in<\/span> `–endpoints`<\/span> flag<\/div>\n<\/div>\n<\/li>\n
      28. \n
        \n
        <\/div>\n<\/div>\n
        \n
        endpoint status<\/span> Prints out<\/span> the status<\/span> of<\/span> endpoints specified in<\/span> `–endpoints`<\/span> flag<\/div>\n<\/div>\n<\/li>\n
      29. \n
        \n
        <\/div>\n<\/div>\n
        \n
        get<\/span> Gets the key<\/span> or<\/span> a range<\/span> of<\/span> keys<\/span><\/div>\n<\/div>\n<\/li>\n
      30. \n
        \n
        <\/div>\n<\/div>\n
        \n
        help<\/span> Help<\/span> about any<\/span> command<\/div>\n<\/div>\n<\/li>\n
      31. \n
        \n
        <\/div>\n<\/div>\n
        \n
        lease grant<\/span> Creates leases<\/div>\n<\/div>\n<\/li>\n
      32. \n
        \n
        <\/div>\n<\/div>\n
        \n
        lease keep<\/span>-alive Keeps leases alive (renew)<\/div>\n<\/div>\n<\/li>\n
      33. \n
        \n
        <\/div>\n<\/div>\n
        \n
        lease list<\/span> List<\/span> all<\/span> active leases<\/div>\n<\/div>\n<\/li>\n
      34. \n
        \n
        <\/div>\n<\/div>\n
        \n
        lease revoke<\/span> Revokes leases<\/div>\n<\/div>\n<\/li>\n
      35. \n
        \n
        <\/div>\n<\/div>\n
        \n
        lease timetolive Get<\/span> lease information<\/div>\n<\/div>\n<\/li>\n
      36. \n
        \n
        <\/div>\n<\/div>\n
        \n
        lock<\/span> Acquires a named lock<\/span><\/div>\n<\/div>\n<\/li>\n
      37. \n
        \n
        <\/div>\n<\/div>\n
        \n
        make-mirror Makes a mirror at<\/span> the destination etcd cluster<\/div>\n<\/div>\n<\/li>\n
      38. \n
        \n
        <\/div>\n<\/div>\n
        \n
        member<\/span> add<\/span> Adds a member<\/span> into<\/span> the cluster<\/div>\n<\/div>\n<\/li>\n
      39. \n
        \n
        <\/div>\n<\/div>\n
        \n
        member<\/span> list<\/span> Lists all<\/span> members in<\/span> the cluster<\/div>\n<\/div>\n<\/li>\n
      40. \n
        \n
        <\/div>\n<\/div>\n
        \n
        member<\/span> promote Promotes a non-voting member<\/span> in<\/span> the cluster<\/div>\n<\/div>\n<\/li>\n
      41. \n
        \n
        <\/div>\n<\/div>\n
        \n
        member<\/span> remove Removes a member<\/span> from<\/span> the cluster<\/div>\n<\/div>\n<\/li>\n
      42. \n
        \n
        <\/div>\n<\/div>\n
        \n
        member<\/span> update<\/span> Updates a member<\/span> in<\/span> the cluster<\/div>\n<\/div>\n<\/li>\n
      43. \n
        \n
        <\/div>\n<\/div>\n
        \n
        migrate Migrates keys<\/span> in<\/span> a v2 store<\/span> to<\/span> a mvcc store<\/span><\/div>\n<\/div>\n<\/li>\n
      44. \n
        \n
        <\/div>\n<\/div>\n
        \n
        move<\/span>-leader Transfers leadership to<\/span> another etcd cluster member.<\/div>\n<\/div>\n<\/li>\n
      45. \n
        \n
        <\/div>\n<\/div>\n
        \n
        put Puts the given key<\/span> into<\/span> the store<\/span><\/div>\n<\/div>\n<\/li>\n
      46. \n
        \n
        <\/div>\n<\/div>\n
        \n
        role<\/span> add<\/span> Adds a new<\/span> role<\/span><\/div>\n<\/div>\n<\/li>\n
      47. \n
        \n
        <\/div>\n<\/div>\n
        \n
        role<\/span> delete<\/span> Deletes a role<\/span><\/div>\n<\/div>\n<\/li>\n
      48. \n
        \n
        <\/div>\n<\/div>\n
        \n
        role<\/span> get<\/span> Gets detailed information of<\/span> a role<\/span><\/div>\n<\/div>\n<\/li>\n
      49. \n
        \n
        <\/div>\n<\/div>\n
        \n
        role<\/span> grant<\/span>-permission Grants<\/span> a key<\/span> to<\/span> a role<\/span><\/div>\n<\/div>\n<\/li>\n
      50. \n
        \n
        <\/div>\n<\/div>\n
        \n
        role<\/span> list<\/span> Lists all<\/span> roles<\/span><\/div>\n<\/div>\n<\/li>\n
      51. \n
        \n
        <\/div>\n<\/div>\n
        \n
        role<\/span> revoke<\/span>-permission Revokes a key<\/span> from<\/span> a role<\/span><\/div>\n<\/div>\n<\/li>\n
      52. \n
        \n
        <\/div>\n<\/div>\n
        \n
        snapshot<\/span> restore<\/span> Restores an etcd member<\/span> snapshot<\/span> to<\/span> an etcd directory<\/span><\/div>\n<\/div>\n<\/li>\n
      53. \n
        \n
        <\/div>\n<\/div>\n
        \n
        snapshot<\/span> save<\/span> Stores an etcd node backend snapshot<\/span> to<\/span> a given file<\/span><\/div>\n<\/div>\n<\/li>\n
      54. \n
        \n
        <\/div>\n<\/div>\n
        \n
        snapshot<\/span> status<\/span> Gets backend snapshot<\/span> status<\/span> of<\/span> a given file<\/span><\/div>\n<\/div>\n<\/li>\n
      55. \n
        \n
        <\/div>\n<\/div>\n
        \n
        txn Txn processes all<\/span> the requests in<\/span> one transaction<\/span><\/div>\n<\/div>\n<\/li>\n
      56. \n
        \n
        <\/div>\n<\/div>\n
        \n
        user<\/span> add<\/span> Adds a new<\/span> user<\/span><\/div>\n<\/div>\n<\/li>\n
      57. \n
        \n
        <\/div>\n<\/div>\n
        \n
        user<\/span> delete<\/span> Deletes a user<\/span><\/div>\n<\/div>\n<\/li>\n
      58. \n
        \n
        <\/div>\n<\/div>\n
        \n
        user<\/span> get<\/span> Gets detailed information of<\/span> a user<\/span><\/div>\n<\/div>\n<\/li>\n
      59. \n
        \n
        <\/div>\n<\/div>\n
        \n
        user<\/span> grant<\/span>–role<\/span> Grants<\/span> a role<\/span> to<\/span> a user<\/span><\/div>\n<\/div>\n<\/li>\n
      60. \n
        \n
        <\/div>\n<\/div>\n
        \n
        user<\/span> list<\/span> Lists all<\/span> users<\/span><\/div>\n<\/div>\n<\/li>\n
      61. \n
        \n
        <\/div>\n<\/div>\n
        \n
        user<\/span> passwd Changes password<\/span> of<\/span> user<\/span><\/div>\n<\/div>\n<\/li>\n
      62. \n
        \n
        <\/div>\n<\/div>\n
        \n
        user<\/span> revoke<\/span>–role<\/span> Revokes a role<\/span> from<\/span> a user<\/span><\/div>\n<\/div>\n<\/li>\n
      63. \n
        \n
        <\/div>\n<\/div>\n
        \n
        version<\/span> Prints the version<\/span> of<\/span> etcdctl<\/div>\n<\/div>\n<\/li>\n
      64. \n
        \n
        <\/div>\n<\/div>\n
        \n
        watch Watches events<\/span> stream on<\/span> keys<\/span> or<\/span> prefixes<\/div>\n<\/div>\n<\/li>\n
      65. \n
        \n
        <\/div>\n<\/div>\n
        \n
        <\/div>\n<\/div>\n<\/li>\n
      66. \n
        \n
        <\/div>\n<\/div>\n
        \n
        OPTIONS:<\/div>\n<\/div>\n<\/li>\n
      67. \n
        \n
        <\/div>\n<\/div>\n
        \n
        –cacert=\\”\\” verify certificates of TLS-enabled secure servers using this CA bundle<\/span><\/div>\n<\/div>\n<\/li>\n
      68. \n
        \n
        <\/div>\n<\/div>\n
        \n
        –cert=\\”\\” identify secure client using this TLS certificate file<\/span><\/div>\n<\/div>\n<\/li>\n
      69. \n
        \n
        <\/div>\n<\/div>\n
        \n
        –command-timeout=5s timeout for short running command (excluding dial timeout)<\/span><\/div>\n<\/div>\n<\/li>\n
      70. \n
        \n
        <\/div>\n<\/div>\n
        \n
        –debug[=false] enable client-side debug logging<\/span><\/div>\n<\/div>\n<\/li>\n
      71. \n
        \n
        <\/div>\n<\/div>\n
        \n
        –dial-timeout=2s dial timeout for client connections<\/span><\/div>\n<\/div>\n<\/li>\n
      72. \n
        \n
        <\/div>\n<\/div>\n
        \n
        -d, –discovery-srv=\\”\\” domain name to query for SRV records describing cluster endpoints<\/span><\/div>\n<\/div>\n<\/li>\n
      73. \n
        \n
        <\/div>\n<\/div>\n
        \n
        –discovery-srv-name=\\”\\” service name to query when using DNS discovery<\/span><\/div>\n<\/div>\n<\/li>\n
      74. \n
        \n
        <\/div>\n<\/div>\n
        \n
        –endpoints=[127.0.0.1:2379] gRPC endpoints<\/span><\/div>\n<\/div>\n<\/li>\n
      75. \n
        \n
        <\/div>\n<\/div>\n
        \n
        -h, –help[=false] help for etcdctl<\/span><\/div>\n<\/div>\n<\/li>\n
      76. \n
        \n
        <\/div>\n<\/div>\n
        \n
        –hex[=false] print byte strings as hex encoded strings<\/span><\/div>\n<\/div>\n<\/li>\n
      77. \n
        \n
        <\/div>\n<\/div>\n
        \n
        –insecure-discovery[=true] accept insecure SRV records describing cluster endpoints<\/span><\/div>\n<\/div>\n<\/li>\n
      78. \n
        \n
        <\/div>\n<\/div>\n
        \n
        –insecure-skip-tls-verify[=false] skip server certificate verification (CAUTION: this option should be enabled only for testing purposes)<\/span><\/div>\n<\/div>\n<\/li>\n
      79. \n
        \n
        <\/div>\n<\/div>\n
        \n
        –insecure-transport[=true] disable transport security for client connections<\/span><\/div>\n<\/div>\n<\/li>\n
      80. \n
        \n
        <\/div>\n<\/div>\n
        \n
        –keepalive-time=2s keepalive time for client connections<\/span><\/div>\n<\/div>\n<\/li>\n
      81. \n
        \n
        <\/div>\n<\/div>\n
        \n
        –keepalive-timeout=6s keepalive timeout for client connections<\/span><\/div>\n<\/div>\n<\/li>\n
      82. \n
        \n
        <\/div>\n<\/div>\n
        \n
        –key=\\”\\” identify secure client using this TLS key file<\/span><\/div>\n<\/div>\n<\/li>\n
      83. \n
        \n
        <\/div>\n<\/div>\n
        \n
        –password=\\”\\” password for authentication (if this option is used, –user option shouldn\\’t include password)<\/span><\/div>\n<\/div>\n<\/li>\n
      84. \n
        \n
        <\/div>\n<\/div>\n
        \n
        –user=\\”\\” username[:password] for authentication (prompt if password is not supplied)<\/span><\/div>\n<\/div>\n<\/li>\n
      85. \n
        \n
        <\/div>\n<\/div>\n
        \n
        -w, –write-out=\\”simple\\” set the output format (fields, json, protobuf, simple, table)<\/span><\/div>\n<\/div>\n<\/li>\n
      86. \n
        \n
        <\/div>\n<\/div>\n
        \n
        <\/div>\n<\/div>\n<\/li>\n<\/ol>\n
        <\/code><\/pre>\n
        \u8f93\u5165\u3001\u67e5\u770b\u3001\u66f4\u65b0\u3001\u5220\u9664k-v\uff1a<\/strong><\/p>\n
        <\/code><\/pre>\n
          \n
        1. \n
          \n
          <\/div>\n<\/div>\n
          \n
          [root@<\/span>localhost ~] etcdctl put \/testkey \\”Hello world\\”<\/span><\/div>\n<\/div>\n<\/li>\n
        2. \n
          \n
          <\/div>\n<\/div>\n
          \n
          OK<\/div>\n<\/div>\n<\/li>\n
        3. \n
          \n
          <\/div>\n<\/div>\n
          \n
          [root@<\/span>localhost ~] etcdctl get<\/span> \/testkey \\”Hello world\\”<\/span><\/div>\n<\/div>\n<\/li>\n
        4. \n
          \n
          <\/div>\n<\/div>\n
          \n
          \/testkey<\/div>\n<\/div>\n<\/li>\n
        5. \n
          \n
          <\/div>\n<\/div>\n
          \n
          Hello world<\/div>\n<\/div>\n<\/li>\n
        6. \n
          \n
          <\/div>\n<\/div>\n
          \n
          [root@<\/span>localhost ~] etcdctl put \/testkey \\”Hello\\”<\/span><\/div>\n<\/div>\n<\/li>\n
        7. \n
          \n
          <\/div>\n<\/div>\n
          \n
          OK<\/div>\n<\/div>\n<\/li>\n
        8. \n
          \n
          <\/div>\n<\/div>\n
          \n
          [root@<\/span>localhost ~] etcdctl get<\/span> \/testkey \\”Hello\\”<\/span><\/div>\n<\/div>\n<\/li>\n
        9. \n
          \n
          <\/div>\n<\/div>\n
          \n
          \/testkey<\/div>\n<\/div>\n<\/li>\n
        10. \n
          \n
          <\/div>\n<\/div>\n
          \n
          Hello<\/div>\n<\/div>\n<\/li>\n
        11. \n
          \n
          <\/div>\n<\/div>\n
          \n
          [root@<\/span>localhost ~] etcdctl del \/testkey<\/div>\n<\/div>\n<\/li>\n
        12. \n
          \n
          <\/div>\n<\/div>\n
          \n
          1<\/span><\/div>\n<\/div>\n<\/li>\n<\/ol>\n
          <\/code><\/pre>\n
          \u83b7\u53d6json\u8f93\u51fa\uff1a<\/p>\n
          <\/code><\/pre>\n
            \n
          1. \n
            \n
            <\/div>\n<\/div>\n
            \n
            [root@<\/span>localhost ~] etcdctl get<\/span> key1 -w json<\/div>\n<\/div>\n<\/li>\n
          2. \n
            \n
            <\/div>\n<\/div>\n
            \n
            {\\”header\\”<\/span>:{\\”cluster_id\\”<\/span>:14841639068965178418<\/span>,\\”member_id\\”<\/span>:10276657743932975437<\/span>,\\”revision\\”<\/span>:6<\/span>,\\”raft_term\\”<\/span>:2<\/span>},\\”kvs\\”<\/span>:[{\\”key\\”<\/span>:\\”a2V5MQ==\\”<\/span>,\\”create_revision\\”<\/span>:5<\/span>,\\”mod_revision\\”<\/span>:5<\/span>,\\”version\\”<\/span>:1<\/span>,\\”value\\”<\/span>:\\”dmFsdWUx\\”<\/span>}],\\”count\\”<\/span>:1<\/span>}<\/div>\n<\/div>\n<\/li>\n
          3. \n
            \n
            <\/div>\n<\/div>\n
            \n
            [root@<\/span>localhost ~] etcdctl get<\/span> key1<\/div>\n<\/div>\n<\/li>\n
          4. \n
            \n
            <\/div>\n<\/div>\n
            \n
            key1<\/div>\n<\/div>\n<\/li>\n
          5. \n
            \n
            <\/div>\n<\/div>\n
            \n
            value1<\/div>\n<\/div>\n<\/li>\n
          6. \n
            \n
            <\/div>\n<\/div>\n
            \n
            [root@<\/span>localhost ~] echo dmFsdWUx|base64 -d<\/div>\n<\/div>\n<\/li>\n
          7. \n
            \n
            <\/div>\n<\/div>\n
            \n
            value1[root@<\/span>localhost ~]#<\/div>\n<\/div>\n<\/li>\n<\/ol>\n
            <\/code><\/pre>\n
            watch<\/strong>
            \n\u5728\u4e00\u4e2a\u7ec8\u7aef\u8fd0\u884c\uff1a<\/p>\n
            <\/code><\/pre>\n
              \n
            1. \n
              \n
              <\/div>\n<\/div>\n
              \n
              [root@localhost etcd] etcdctl watch key1<\/div>\n<\/div>\n<\/li>\n
            2. \n
              \n
              <\/div>\n<\/div>\n
              \n
              PUT<\/div>\n<\/div>\n<\/li>\n
            3. \n
              \n
              <\/div>\n<\/div>\n
              \n
              key1<\/div>\n<\/div>\n<\/li>\n
            4. \n
              \n
              <\/div>\n<\/div>\n
              \n
              valuex<\/div>\n<\/div>\n<\/li>\n
            5. \n
              \n
              <\/div>\n<\/div>\n
              \n
              PUT<\/div>\n<\/div>\n<\/li>\n
            6. \n
              \n
              <\/div>\n<\/div>\n
              \n
              key1<\/div>\n<\/div>\n<\/li>\n
            7. \n
              \n
              <\/div>\n<\/div>\n
              \n
              valuez<\/div>\n<\/div>\n<\/li>\n<\/ol>\n
              <\/code><\/pre>\n
              \u5728\u53e6\u4e00\u4e2a\u7ec8\u7aef\uff1a<\/p>\n
              <\/code><\/pre>\n
                \n
              1. \n
                \n
                <\/div>\n<\/div>\n
                \n
                [root@localhost ~] etcdctl put key1 valuex<\/div>\n<\/div>\n<\/li>\n
              2. \n
                \n
                <\/div>\n<\/div>\n
                \n
                OK<\/div>\n<\/div>\n<\/li>\n
              3. \n
                \n
                <\/div>\n<\/div>\n
                \n
                [root@localhost ~] etcdctl put key1 valuez<\/div>\n<\/div>\n<\/li>\n
              4. \n
                \n
                <\/div>\n<\/div>\n
                \n
                OK<\/div>\n<\/div>\n<\/li>\n<\/ol>\n
                <\/code><\/pre>\n
                \u79df\u7ea6<\/strong>
                \nlease\u3002etcd\u652f\u6301\u7533\u8bf7\u5b9a\u65f6\u5668\uff0c\u7533\u8bf7\u4e00\u4e2alease\uff0c\u4f1a\u8fd4\u56de\u4e00\u4e2alease ID\u6807\u8bc6\u5b9a\u65f6\u5668\u3002\u5982\u679c\u5728put\u4e00\u4e2akey\u7684\u540c\u65f6\u643a\u5e26lease ID\uff0c\u5c31\u5b9e\u73b0\u4e86\u4e00\u4e2a\u81ea\u52a8\u8fc7\u671f\u7684key\u3002\u5728etcd\u4e2d\uff0c\u4e00\u4e2alease\u53ef\u4ee5\u5173\u8054\u4efb\u610f\u591a\u7684key\uff0c\u5f53lease\u8fc7\u671f\u540e\u6240\u6709\u5173\u8054\u7684key\u90fd\u5c06\u88ab\u81ea\u52a8\u5220\u9664\u3002<\/p>\n
                <\/code><\/pre>\n
                  \n
                1. \n
                  \n
                  <\/div>\n<\/div>\n
                  \n
                  #\u751f\u6210<\/span><\/div>\n<\/div>\n<\/li>\n
                2. \n
                  \n
                  <\/div>\n<\/div>\n
                  \n
                  [root@localhost etcd] etcdctl lease grant<\/span> 300<\/span><\/div>\n<\/div>\n<\/li>\n
                3. \n
                  \n
                  <\/div>\n<\/div>\n
                  \n
                  lease 694<\/span>d73749a9d0515 granted with<\/span> TTL(300<\/span>s)<\/div>\n<\/div>\n<\/li>\n
                4. \n
                  \n
                  <\/div>\n<\/div>\n
                  \n
                  #\u5173\u8054\u5230key<\/span><\/div>\n<\/div>\n<\/li>\n
                5. \n
                  \n
                  <\/div>\n<\/div>\n
                  \n
                  [root@localhost etcd] etcdctl put key3 300<\/span> –lease=694d73749a9d0515<\/span><\/div>\n<\/div>\n<\/li>\n
                6. \n
                  \n
                  <\/div>\n<\/div>\n
                  \n
                  OK<\/div>\n<\/div>\n<\/li>\n
                7. \n
                  \n
                  <\/div>\n<\/div>\n
                  \n
                  #\u7ef4\u6301\u79df\u7ea6<\/span><\/div>\n<\/div>\n<\/li>\n
                8. \n
                  \n
                  <\/div>\n<\/div>\n
                  \n
                  [root@localhost etcd] etcdctl lease keep<\/span>-alive 694<\/span>d73749a9d0515<\/div>\n<\/div>\n<\/li>\n
                9. \n
                  \n
                  <\/div>\n<\/div>\n
                  \n
                  lease 694<\/span>d73749a9d0515 keepalived with<\/span> TTL(300<\/span>)<\/div>\n<\/div>\n<\/li>\n
                10. \n
                  \n
                  <\/div>\n<\/div>\n
                  \n
                  #\u64a4\u9500\u79df\u7ea6<\/span><\/div>\n<\/div>\n<\/li>\n
                11. \n
                  \n
                  <\/div>\n<\/div>\n
                  \n
                  [root@localhost ~] etcdctl lease revoke<\/span> 694<\/span>d73749a9d0515<\/div>\n<\/div>\n<\/li>\n
                12. \n
                  \n
                  <\/div>\n<\/div>\n
                  \n
                  lease 694<\/span>d73749a9d0515 revoked<\/div>\n<\/div>\n<\/li>\n<\/ol>\n
                  <\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
                  \u4eceGithub\u4e0a\u4e0b\u8f7d\u5e76\u89e3\u538b\u5b89\u88c5\u5305 wget https:\/\/github.com\/coreos\/etcd\/re …<\/p>\n
                    ETCD\u5355\u673a\u5e38\u7528\u547d\u4ee4<\/span> \u67e5\u770b\u5168\u6587 »<\/a><\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":""},"categories":[89],"tags":[],"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false,"mailpoet_newsletter_max":false,"woocommerce_thumbnail":false,"woocommerce_single":false,"woocommerce_gallery_thumbnail":false,"shop_catalog":false,"shop_single":false,"shop_thumbnail":false},"uagb_author_info":{"display_name":"weijing","author_link":"http:\/\/www.weijing.co\/?author=4"},"uagb_comment_info":0,"uagb_excerpt":"\u4eceGithub\u4e0a\u4e0b\u8f7d\u5e76\u89e3\u538b\u5b89\u88c5\u5305 wget https:\/\/github.com\/coreos\/etcd\/re…","_links":{"self":[{"href":"http:\/\/www.weijing.co\/index.php?rest_route=\/wp\/v2\/posts\/2497"}],"collection":[{"href":"http:\/\/www.weijing.co\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.weijing.co\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.weijing.co\/index.php?rest_route=\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"http:\/\/www.weijing.co\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2497"}],"version-history":[{"count":1,"href":"http:\/\/www.weijing.co\/index.php?rest_route=\/wp\/v2\/posts\/2497\/revisions"}],"predecessor-version":[{"id":5504,"href":"http:\/\/www.weijing.co\/index.php?rest_route=\/wp\/v2\/posts\/2497\/revisions\/5504"}],"wp:attachment":[{"href":"http:\/\/www.weijing.co\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2497"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.weijing.co\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2497"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.weijing.co\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2497"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}