> blackbox exporter requires `metric_relabel_configs` setup
You don't need metric_relabel_configs, but relabel_configs is what you
need. relabel_configs is done *before* scraping, metric_relabel_configs is
*after* scraping.
> setting `__address__` label didn't work for me:
No it won't. "targets" is what sets the __address__.
What are you trying to do precisely - I am guessing you are trying to probe
the same site, "example.com", via two different exporters?
A simple way is to use two different jobs:
- job_name: blackbox_eu
metrics_path: /probe
params:
module: [http_text_html]
static_configs:
- targets:
- example.com
- example.net
labels:
src: eu
env: dev
relabel_configs:
- source_labels: [__address__]
target_label: instance
- source_labels: [__address__]
target_label: __param_target
- target_label: __address__
replacement: blackbox-eu:9449 # The blackbox exporter's real
hostname:port.
- job_name: blackbox_us
metrics_path: /probe
params:
module: [http_text_html]
static_configs:
- targets:
- example.com
- example.net
labels:
src: us
env: dev
relabel_configs:
- source_labels: [__address__]
target_label: instance
- source_labels: [__address__]
target_label: __param_target
- target_label: __address__
replacement: blackbox-us:9449 # The blackbox exporter's real
hostname:port.
I recommend making an explicit "module" label:
- job_name: blackbox_eu
metrics_path: /probe
static_configs:
- targets:
- example.com
- example.net
labels:
src: eu
env: dev
module: http_text_html
relabel_configs:
- source_labels: [__address__]
target_label: instance
- source_labels: [__address__]
target_label: __param_target
- source_labels: [module]
target_label: __param_module
- target_label: __address__
replacement: blackbox-eu:9449 # The blackbox exporter's real
hostname:port.
This lets you probe the same host with multiple modules (you need a
"module" label to distinguish the timeseries), and you can have different
targets with different modules all in the same job.
- targets:
- example.com
labels:
module: http_text_html
- targets:
- example.net
labels:
module: icmp
Finally, unless you only ever have one or two targets, I suggest you use
file_sd_configs rather than static_configs. This means you can change the
targets without touching the main config file - and prometheus will pick up
the changes automatically, without you having to send a HUP signal.
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