dotnetmentor/emon repository overview
emon
Eventstore monitoring over HTTP
NOTE: NOT ready for production!!!
Configuration
| Environment variable | Description | Default |
|---|---|---|
| EMON_HTTP_BIND_ADDRESS | The address emon will listen on | :8113 |
| EMON_SLOW_CHECK_THRESHOLD | The threshold for slow_check warning | 20ms |
| EMON_CLUSTER_HTTP_ENDPOINT | The eventstore HTTP address | http://localhost:2113 |
| EMON_CLUSTER_SIZE | The eventstore cluster size | 3 |
Checks
| Type | Name | Description | Implemented |
|---|---|---|---|
| gossip | collect_gossip | Collecting gossip from gossip endpoint | :white_check_mark: |
| gossip | alive_master | Expects exacly 1 master | :white_check_mark: |
| gossip | alive_slaves | Expects n number of slaves where n = ceil(cluster size / 2) - 1. | :white_check_mark: |
| gossip | alive_nodes | Expects n number of alive nodes where n = ceil(cluster size / 2). | :white_check_mark: |
| stats | collect_stats | Collecting stats from stats endpoint | :white_check_mark: |
| stats | sys_cpu | Expects system cpu usage to be less then n percent. (default: 90%) | :white_check_mark: |
| stats | sys_mem | Expects n MB free system memory. (default: 200MB) | :white_check_mark: |
| stats | proc_cpu | Expects process cpu usage to be less then n percent. (default: 90%) | :white_check_mark: |
| stats | proc_mem | Expects memory usage to be less then n MB. (default: 1000MB) | :white_check_mark: |
| ? | storage_disk_full | Expects there to be at least n percent free disk space for the storage drive (default: 25%) | - |
| ? | os_disk_full | Expects there to be at least n percent free disk space for the os drive (default: 25%) | - |
| gossip | master_consensus | Expects all nodes to report having the same master | :white_check_mark: |
| gossip | time_consensus | Expects timestamp diff between nodes and master to be diff <= n. (default: 5s) | :white_check_mark: |
| timer | slow_checks | Expects each check to complete within n milliseconds (default: 100ms) | :white_check_mark: |
Development
docker-compose up -d
./run
Releasing
Pre-requisites:
- goreleaser
- A github token
goreleaser --rm-dist
Tag summary
Content type
Image
Digest
Size
2 MB
Last updated
over 5 years ago
docker pull dotnetmentor/emon