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simplify context timeout for readiness (#9772)

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additionally also add CORS support to restrict
for specific origin, adds a new config and
updated the documentation as well
This commit is contained in:
Harshavardhana
2020-06-04 14:58:34 -07:00
committed by GitHub
parent 7fee96e9de
commit 5e529a1c96
17 changed files with 122 additions and 71 deletions
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14
docs/config/README.md
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@@ -172,7 +172,6 @@ MINIO_ETCD_COMMENT (sentence) optionally add a comment to this setting
```
### API
By default, there is no limitation on the number of concurrents requests that a server/cluster processes at the same time. However, it is possible to impose such limitation using the API subsystem. Read more about throttling limitation in MinIO server [here](https://github.com/minio/minio/blob/master/docs/throttle/README.md).
```
@@ -180,16 +179,19 @@ KEY:
api manage global HTTP API call specific features, such as throttling, authentication types, etc.
ARGS:
requests_max (number) set the maximum number of concurrent requests
requests_deadline (duration) set the deadline for API requests waiting to be processed
requests_max (number) set the maximum number of concurrent requests, e.g. "1600"
requests_deadline (duration) set the deadline for API requests waiting to be processed e.g. "1m"
ready_deadline (duration) set the deadline for health check API /minio/health/ready e.g. "1m"
cors_allow_origin (csv) set comma separated list of origins allowed for CORS requests e.g. "https://example1.com,https://example2.com"
```
or environment variables
```
MINIO_API_REQUESTS_MAX (number) set the maximum number of concurrent requests
MINIO_API_REQUESTS_DEADLINE (duration) set the deadline for API requests waiting to be processed
MINIO_API_REQUESTS_MAX (number) set the maximum number of concurrent requests, e.g. "1600"
MINIO_API_REQUESTS_DEADLINE (duration) set the deadline for API requests waiting to be processed e.g. "1m"
MINIO_API_READY_DEADLINE (duration) set the deadline for health check API /minio/health/ready e.g. "1m"
MINIO_API_CORS_ALLOW_ORIGIN (csv) set comma separated list of origins allowed for CORS requests e.g. "https://example1.com,https://example2.com"
```
#### Notifications

14
docs/metrics/healthcheck/README.md
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@@ -16,8 +16,20 @@ This probe is used to identify situations where the server is not ready to accep
Internally, MinIO readiness probe handler checks for backend is alive and in read quorum then the server returns 200 OK, otherwise 503 Service Unavailable.
Platforms like Kubernetes *do not* forward traffic to a pod until its readiness probe is successful.
Platforms like Kubernetes *do not* forward traffic to a pod until its readiness probe is successful.
### Configuration example
Sample `liveness` and `readiness` probe configuration in a Kubernetes `yaml` file can be found [here](https://github.com/minio/minio/blob/master/docs/orchestration/kubernetes/minio-standalone-deployment.yaml).
### Configure readiness deadline
Readiness checks need to respond faster in orchestrated environments, to facilitate this you can use the following environment variable before starting MinIO
```
MINIO_API_READY_DEADLINE (duration) set the deadline for health check API /minio/health/ready e.g. "1m"
```
Set a *5s* deadline for MinIO to ensure readiness handler responds with-in 5seconds.
```
export MINIO_API_READY_DEADLINE=5s
```