17450f35f3
Added Influxdb relay to make the existing monitoring stack highly
available. Relay replicates the data to multiple database instances.
Also added configutation in HAProxy that load balances the read queries
to influxdb instances and write queries to influxdb relays
┌─────────────────┐
│writes & queries │
└─────────────────┘
│
▼
┌───────────────┐
│ │
┌────────│ Load Balancer │─────────┐
│ │ │ │
│ └──────┬─┬──────┘ │
│ │ │ │
│ │ │ │
│ ┌──────┘ └────────┐ │
│ │ ┌─────────────┐ │ │┌──────┐
│ │ │/write or UDP│ │ ││/query│
│ ▼ └─────────────┘ ▼ │└──────┘
│ ┌──────────┐ ┌──────────┐ │
│ │ InfluxDB │ │ InfluxDB │ │
│ │ Relay │ │ Relay │ │
│ └──┬────┬──┘ └────┬──┬──┘ │
│ │ | | │ │
│ | ┌─┼──────────────┘ | │
│ │ │ └──────────────┐ │ │
│ ▼ ▼ ▼ ▼ │
│ ┌──────────┐ ┌──────────┐ │
│ │ │ │ │ │
└─▶│ InfluxDB │ │ InfluxDB │◀─┘
│ │ │ │
└──────────┘ └──────────┘
This patch is dependent on this patch:
https://review.openstack.org/#/c/392328/
Change-Id: I05bdaa0e2fb251b48df1d26d09ad63942872293a
7 lines
162 B
Django/Jinja
7 lines
162 B
Django/Jinja
description "Influxdb Relay"
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start on runlevel [2345]
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stop on runlevel [016]
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exec /opt/influxdb-relay/bin/influxdb-relay -config /opt/influxdb-relay/relay.toml
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