remote_write not working on armv7

[vpetersson]

What did you do?

Trying to get remote_write to work.

What did you expect to see?

The config below works just fine on x86, but doesn't seem to work on ARM.

What did you see instead? Under which circumstances?

It appears as Prometheus chokes on the remote_write directive on ARM.

If I remove that stanza, the config loads just fine.

./promtool check-config /etc/prometheus.yml
Checking /etc/prometheus.yml
  FAILED: yaml: unmarshal errors:
  line 30: cannot unmarshal !!map into []*config.RemoteWriteConfig

Environment

Prometheus-1.6.1.linux-armv7

• System information:

Linux 4.4.48 armv7l

• Prometheus version:

prometheus, version 1.6.1 (branch: master, revision: 4666df502c0e239ed4aa1d80abbbfb54f61b23c3)
  build user:       root@ca1b452514b7
  build date:       20170419-13:53:08
  go version:       go1.8.1

• Prometheus configuration file:

# my global config
global:
  scrape_interval:     30s # Set the scrape interval to every 15 seconds. Default is every 1 minute.
  evaluation_interval: 30s # Evaluate rules every 15 seconds. The default is every 1 minute.
  # scrape_timeout is set to the global default (10s).

  # Attach these labels to any time series or alerts when communicating with
  # external systems (federation, remote storage, Alertmanager).
  external_labels:
      monitor: 'foobar-test'

# Load rules once and periodically evaluate them according to the global 'evaluation_interval'.
rule_files:
  # - "first.rules"
  # - "second.rules"

# A scrape configuration containing exactly one endpoint to scrape:
# Here it's Prometheus itself.
scrape_configs:
  # The job name is added as a label `job=<job_name>` to any timeseries scraped from this config.
  - job_name: 'test'

    # metrics_path defaults to '/metrics'
    # scheme defaults to 'http'.

    static_configs:
      - targets: ['localhost:8000']

remote_write:
    url: "http://localhost:1234/receive"

Sample remote_write as per this documentation.

[tomwilkie]

Remote write config now takes a list of endpoints, so the correct config would be:

remote_write
  - url: http://localhost:1234/receive

[vpetersson]

@tomwilkie Awesome. That did the trick.

[lock]

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