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change(limit-count): ensure redis cluster name is set correctly #3910

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merged 15 commits into from
Apr 7, 2021
Merged

change(limit-count): ensure redis cluster name is set correctly #3910

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85407f7
fix the problem of multiple different redis-cluster data sources, str…
Mar 25, 2021
9cc3be1
set redis cluster name by etcd config
Mar 29, 2021
f7a5436
set redis cluster name by etcd config
Mar 30, 2021
3c1035f
redis_cluster_name is required parameter
Mar 30, 2021
bab152b
fix bad style
han6565 Mar 30, 2021
c554a1b
fix English grammar issues
han6565 Mar 30, 2021
499d6fa
test for redis_cluster_name
Mar 30, 2021
257d1de
update the example
Mar 30, 2021
b5ce549
Merge remote-tracking branch 'upstream/master'
Mar 31, 2021
0aa6ed6
Merge remote-tracking branch 'upstream/master'
Apr 1, 2021
0157968
update the doc
Apr 2, 2021
338d2c4
update the doc
Apr 2, 2021
c77b409
Merge remote-tracking branch 'upstream/master'
Apr 2, 2021
33b65a0
Merge remote-tracking branch 'upstream/master'
Apr 6, 2021
eb88001
update the doc
Apr 6, 2021
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5 changes: 4 additions & 1 deletion apisix/plugins/limit-count.lua
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Expand Up @@ -103,8 +103,11 @@ local schema = {
redis_timeout = {
type = "integer", minimum = 1, default = 1000,
},
redis_cluster_name = {
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type = "string",
},
},
required = {"redis_cluster_nodes"},
required = {"redis_cluster_nodes", "redis_cluster_name"},
}
}
}
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3 changes: 2 additions & 1 deletion apisix/plugins/limit-count/limit-count-redis-cluster.lua
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Expand Up @@ -32,7 +32,8 @@ local mt = {

local function new_redis_cluster(conf)
local config = {
name = "apisix-redis-cluster",
-- can set different name for different redis cluster
name = conf.redis_cluster_name,
serv_list = {},
read_timeout = conf.redis_timeout,
auth = conf.redis_password,
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30 changes: 16 additions & 14 deletions docs/en/latest/plugins/limit-count.md
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Expand Up @@ -35,19 +35,20 @@ Limit request rate by a fixed number of requests in a given time window.

## Attributes

| Name | Type | Requirement | Default | Valid | Description |
| ------------------- | ------- | -------------------- | ------------- | ------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| count | integer | required | | count > 0 | the specified number of requests threshold. |
| time_window | integer | required | | time_window > 0 | the time window in seconds before the request count is reset. |
| key | string | optional | "remote_addr" | ["remote_addr", "server_addr", "http_x_real_ip", "http_x_forwarded_for", "consumer_name", "service_id"] | The user specified key to limit the count. <br /> Now accept those as key: "remote_addr"(client's IP), "server_addr"(server's IP), "X-Forwarded-For/X-Real-IP" in request header, "consumer_name"(consumer's username) and "service_id". |
| rejected_code | integer | optional | 503 | [200,...,599] | The HTTP status code returned when the request exceeds the threshold is rejected, default 503. |
| policy | string | optional | "local" | ["local", "redis", "redis-cluster"] | The rate-limiting policies to use for retrieving and incrementing the limits. Available values are `local`(the counters will be stored locally in-memory on the node) and `redis`(counters are stored on a Redis server and will be shared across the nodes, usually use it to do the global speed limit). |
| redis_host | string | required for `redis` | | | When using the `redis` policy, this property specifies the address of the Redis server. |
| redis_port | integer | optional | 6379 | [1,...] | When using the `redis` policy, this property specifies the port of the Redis server. |
| redis_password | string | optional | | | When using the `redis` policy, this property specifies the password of the Redis server. |
| redis_database | integer | optional | 0 | redis_database >= 0 | When using the `redis` policy, this property specifies the database you selected of the Redis server, and only for non Redis cluster mode (single instance mode or Redis public cloud service that provides single entry). |
| redis_timeout | integer | optional | 1000 | [1,...] | When using the `redis` policy, this property specifies the timeout in milliseconds of any command submitted to the Redis server. |
| redis_cluster_nodes | array | optional | | | When using `redis-cluster` policy，This property is a list of addresses of Redis cluster service nodes. |
| Name | Type | Requirement | Default | Valid | Description |
| ------------------- | ------- | -------------------- | ------------- | ------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| count | integer | required | | count > 0 | the specified number of requests threshold. |
| time_window | integer | required | | time_window > 0 | the time window in seconds before the request count is reset. |
| key | string | optional | "remote_addr" | ["remote_addr", "server_addr", "http_x_real_ip", "http_x_forwarded_for", "consumer_name", "service_id"] | The user specified key to limit the count. <br /> Now accept those as key: "remote_addr"(client's IP), "server_addr"(server's IP), "X-Forwarded-For/X-Real-IP" in request header, "consumer_name"(consumer's username) and "service_id". |
| rejected_code | integer | optional | 503 | [200,...,599] | The HTTP status code returned when the request exceeds the threshold is rejected, default 503. |
| policy | string | optional | "local" | ["local", "redis", "redis-cluster"] | The rate-limiting policies to use for retrieving and incrementing the limits. Available values are `local`(the counters will be stored locally in-memory on the node) and `redis`(counters are stored on a Redis server and will be shared across the nodes, usually use it to do the global speed limit). |
| redis_host | string | required for `redis` | | | When using the `redis` policy, this property specifies the address of the Redis server. |
| redis_port | integer | optional | 6379 | [1,...] | When using the `redis` policy, this property specifies the port of the Redis server. |
| redis_password | string | optional | | | When using the `redis` policy, this property specifies the password of the Redis server. |
| redis_database | integer | optional | 0 | redis_database >= 0 | When using the `redis` policy, this property specifies the database you selected of the Redis server, and only for non Redis cluster mode (single instance mode or Redis public cloud service that provides single entry). |
| redis_timeout | integer | optional | 1000 | [1,...] | When using the `redis` policy, this property specifies the timeout in milliseconds of any command submitted to the Redis server. |
| redis_cluster_nodes | array | optional | | | When using `redis-cluster` policy，This property is a list of addresses of Redis cluster service nodes. |
| redis_cluster_name | string | required for `redis-cluster` | | | When using `redis-cluster` policy, this property is the name of Redis cluster service nodes. |
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**Key can be customized by the user, only need to modify a line of code of the plug-in to complete. It is a security consideration that is not open in the plugin.**

Expand Down Expand Up @@ -129,7 +130,8 @@ curl -i http://127.0.0.1:9080/apisix/admin/routes/1 -H 'X-API-KEY: edd1c9f034335
"redis_cluster_nodes": [
"127.0.0.1:5000",
"127.0.0.1:5001"
]
],
"redis_cluster_name": "redis-cluster-1"
}
},
"upstream": {
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