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DAQ Ingest

Build

cargo build --release

The resulting binary is found at target/release/daqingest and dynamically links only to the most basic linux system libraries.

Create the Scylladb Schema

./daqingest scylla-schema-change <CONFIG.YML>

Run

./daqingest channel-access ca-ingest <CONFIG.YML>

Config file example

# Address to bind the HTTP API to, for runtime control and Prometheus metrics scrape:
api_bind: 0.0.0.0:3011
# The backend name to use for the channels handled by this daqingest instance:
backend: scylla
channels: directory-name-with-channel-config-files
# Addresses to use for channel access search:
search:
    - "172.26.0.255"
    - "172.26.2.255"
    - "172.26.8.255"
    - "..."
postgresql:
    host: postgresql-host
    port: 5432
    user: the-username
    pass: the-password
    name: the-database
scylla_st:
    keyspace: backend_st
    hosts:
        - sf-nube-11:19042
        - sf-nube-12:19042
        - sf-nube-13:19042
        - sf-nube-14:19042
scylla_mt:
    keyspace: backend_mt
    hosts:
        - sf-nube-11:19042
        - sf-nube-12:19042
        - sf-nube-13:19042
        - sf-nube-14:19042
scylla_lt:
    keyspace: backend_lt
    hosts:
        - sf-nube-11:19042
        - sf-nube-12:19042
        - sf-nube-13:19042
        - sf-nube-14:19042

Access status and configuration of daqingest at runtime

Status and configuration can be accessed at runtime via http at the address as configured by the api_bind parameter.

Check the state of a channel

http://<api_bind>/daqingest/channel/state?name=[...]

HTTP POST ingest

It is possible to ingest data via the api_bind socket address.