DescribeClusterEnvironment
获取集群某类角色节点的环境变量
Request Parameters
| Parameter name | Type | Description | Required |
|---|---|---|---|
| cluster | String | 集群ID | Yes |
| role | String | 将要获取环境变量的角色，可留空 | No |
Response Elements
| Name | Type | Description |
|---|---|---|
| action | String | 响应动作 |
| config | Dict | JSON格式的集群环境变量信息，包含了环境变量的描述，类型，范围，其中 default 值为集群生效的环境变量值 |
| job_id | String | 执行任务的 Job ID，格式为{"cln-ssdfawx":"j-kdlsafda"} |
| ret_code | Integer | 执行成功与否，0 表示成功，其他值则为错误代码 |
Example
以应用Redis Cluster为例，获取应用部署集群的环境变量
Example Request:
https://api.qingcloud.com/iaas/?
&action=DescribeClusterEnvironment
&cluster_id=cl-2gi2b3oc
&zone=pek3b
&COMMON_PARAMS
Example Response:
{
"action":"DescribeClusterEnvironmentResponse",
"config":{
"type":"array",
"description":"Redis service properties",
"key":"env",
"properties":[
{
"description":"Max memory percent Redis can make use of.",
"min":0,
"default":60,
"max":95,
"required":"no",
"label":"maxmemory-percent",
"key":"maxmemory-percent",
"type":"integer"
},
{
"description":"Require clients to issue AUTH <PASSWORD> before processing any other commands.",
"default":"*********",
"required":"no",
"label":"requirepass",
"key":"requirepass",
"type":"password"
},
{
"description":"Enable config and save commands(strongly not recommended to enable this)",
"default":0,
"required":"no",
"label":"enable-config",
"range":[
0,
1
],
"key":"enable-config",
"type":"integer"
},
{
"description":"Active rehashing uses 1 millisecond every 100 milliseconds of CPU time in order to help rehashing the main Redis hash table",
"default":"yes",
"required":"no",
"label":"activerehashing",
"range":[
"yes",
"no"
],
"key":"activerehashing",
"type":"string"
},
{
"description":"The Append Only File is an alternative persistence mode that provides much better durability.",
"default":"yes",
"required":"no",
"label":"appendonly",
"range":[
"yes",
"no"
],
"key":"appendonly",
"type":"string"
},
{
"description":"It tells the Operating System to actually write data on disk instead of waiting for more data in the output buffer.",
"default":"everysec",
"required":"no",
"label":"appendfsync",
"range":[
"everysec",
"no",
"always"
],
"key":"appendfsync",
"type":"string"
},
{
"description":"Hashes are encoded using a memory efficient data structure when they have a small number of entries",
"default":1024,
"required":"no",
"label":"hash-max-ziplist-entries",
"key":"hash-max-ziplist-entries",
"type":"integer"
},
{
"description":"Hashes are encoded using a memory efficient data structure when they have a small number of entries, and the biggest entry does not exceed a given threshold",
"default":64,
"required":"no",
"label":"hash-max-ziplist-value",
"key":"hash-max-ziplist-value",
"type":"integer"
},
{
"description":"It samples different operations at runtime in order to collect data related to possible sources of latency of a Redis instance.",
"default":0,
"required":"no",
"label":"latency-monitor-threshold",
"key":"latency-monitor-threshold",
"type":"integer"
},
{
"description":"Small lists are encoded in a special way in order to save a lot of space.",
"default":512,
"required":"no",
"label":"list-max-ziplist-entries",
"key":"list-max-ziplist-entries",
"type":"integer"
},
{
"description":"Small lists are encoded in a special way in order to save a lot of space.",
"default":64,
"required":"no",
"label":"list-max-ziplist-value",
"key":"list-max-ziplist-value",
"type":"integer"
},
{
"description":"Set the max number of connected clients at the same time.",
"default":65000,
"required":"no",
"label":"maxclients",
"key":"maxclients",
"type":"integer"
},
{
"description":"The eviction policy to remove keys when the memory limit is reached.",
"default":"volatile-lru",
"required":"no",
"label":"maxmemory-policy",
"range":[
"volatile-lru",
"allkeys-lru",
"volatile-random",
"allkeys-random",
"volatile-ttl",
"noeviction"
],
"key":"maxmemory-policy",
"type":"string"
},
{
"description":"LRU and minimal TTL algorithms are not precise algorithms but approximated algorithms (in order to save memory), using this to tune it for speed or accuracy.",
"default":3,
"required":"no",
"label":"maxmemory-samples",
"key":"maxmemory-samples",
"type":"integer"
},
{
"description":"A master stops accepting writes if there are less than N slaves connected, having a lag less or equal than M seconds.",
"default":10,
"required":"no",
"label":"min-slaves-max-lag",
"key":"min-slaves-max-lag",
"type":"integer"
},
{
"description":"A master stops accepting writes if there are less than N slaves connected, having a lag less or equal than M seconds.",
"default":0,
"required":"no",
"label":"min-slaves-to-write",
"key":"min-slaves-to-write",
"type":"integer"
},
{
"description":"It prevents fsync() from being called in the main process while a BGSAVE or BGREWRITEAOF is in progress.",
"default":"yes",
"required":"no",
"label":"no-appendfsync-on-rewrite",
"range":[
"yes",
"no"
],
"key":"no-appendfsync-on-rewrite",
"type":"string"
},
{
"description":"It selects the events that Redis will notify among a set of classes.",
"default":"",
"required":"no",
"label":"notify-keyspace-events",
"key":"notify-keyspace-events",
"type":"string"
},
{
"description":"Set the replication backlog size.",
"default":1048576,
"required":"no",
"label":"repl-backlog-size",
"key":"repl-backlog-size",
"type":"integer"
},
{
"description":"It configures the amount of seconds that need to elapse, starting from the time the last slave disconnected, for the backlog buffer to be freed.",
"default":3600,
"required":"no",
"label":"repl-backlog-ttl",
"key":"repl-backlog-ttl",
"type":"integer"
},
{
"description":"It is the replication timeout.",
"default":60,
"required":"no",
"label":"repl-timeout",
"key":"repl-timeout",
"type":"integer"
},
{
"description":"It sets the limit in the size of the set in order to use this special memory saving encoding.",
"default":512,
"required":"no",
"label":"set-max-intset-entries",
"key":"set-max-intset-entries",
"type":"integer"
},
{
"description":"It logs queries that exceeded a specified execution time.",
"default":-1,
"required":"no",
"label":"slowlog-log-slower-than",
"key":"slowlog-log-slower-than",
"type":"integer"
},
{
"description":"It logs queries with the length of the slow log.",
"default":128,
"required":"no",
"label":"slowlog-max-len",
"key":"slowlog-max-len",
"type":"integer"
},
{
"description":"TCP keepalive between server and client.",
"default":0,
"required":"no",
"label":"tcp-keepalive",
"key":"tcp-keepalive",
"type":"integer"
},
{
"description":"Close the connection after a client is idle for N seconds (0 to disable).",
"default":0,
"required":"no",
"label":"timeout",
"key":"timeout",
"type":"integer"
},
{
"description":"Sorted sets are specially encoded in order to save a lot of space.",
"default":128,
"required":"no",
"label":"zset-max-ziplist-entries",
"key":"zset-max-ziplist-entries",
"type":"integer"
},
{
"description":"Sorted sets are specially encoded in order to save a lot of space.",
"default":64,
"required":"no",
"label":"zset-max-ziplist-value",
"key":"zset-max-ziplist-value",
"type":"integer"
},
{
"description":"Max execution time of a Lua script in milliseconds.",
"default":5000,
"required":"no",
"label":"lua-time-limit",
"key":"lua-time-limit",
"type":"integer"
}
]
},
"ret_code":0
}