Or rather, let it listen only on localhost.
I thought Grafana needed it, or Promtail needed it, but I don't remember
clearly, the web doesn't say clearly, and on my local dev stack
Promtail/Loki seems to still work just fine without GRPC on the network.

OMG look at teh genius of it

Do some name resolution for those poor computers

Improve factoring by removing those `/etc/hosts` entries

And avoid the infinite loop @tomprince was encountering in !258

Merge remote-tracking branch 'whetstone/207.payment-server-exception-reporting-update' into 207.payment-server-exception-reporting-update

Merge branch '207.reuse-vpn-server-ip-configuration' into '207.payment-server-exception-reporting-update'

Read the VPN server IP address from the monitoring node config

See merge request !257

morph offers an auto-passed `nodes` parameter from which we can read all of
the nodes in the morph "network".  We can dig around in this to find the
monitoring node and then read its configured IP address.

It may be worth noting that this address appears in at least two places in the
configuration.  It appears in our "input" configuration which grid.nix
defines.  This change reads it from there.  We also have a NixOS module
`nixos/modules/monitoring/vpn/server.nix` which reads this "input" and uses it
to configure `networking.wireguard.interfaces.monitoringvpn`.  This is fed
onwards to <nixos> to generate actual system configuration.

It seems better to use the former than the latter because we have more direct
control over it and if we consider the whole configuration system a function
then it is more like an argument we are supplying rather than an obscure
implementation detail.

Use the qualified `.monitoringvpn` domains for collecting metrics.

See merge request !236

Update nixpkgs.

See merge request !252

Besides migrating all charts to the faster and more capable Grafana 8
TimeSeries charting tool this mainly introduces two panels to view
the logs of PaymentServer.  It has some naive and minimal filtering
in place to only show lines that are not caused by the metrics gathering
itself or that I just deemed to be OK (like "GET" requests) so we
hopefully catch those dreaded "Unexpected Exception" lines.

Fixes privatestorageops#207.

Should be pure refactoring

This is my latest version of this, updated to work with the
packages in NixOS 21.05.

Update nixpkgs.

See merge request !249

Update whetstone hostname to private.storage.

See merge request !250

Note that changing the origin repository in the on-node deployment checkout
is also required.

See https://whetstone.private.storage/privatestorage/privatestorageops/-/merge_requests/197#note_19071

Reorder issuer domains

See merge request !211

So perhaps it is impossible for anyone to approach the payment server from
these other domains now.

Mostly though I want to force CI to run because whetstone is not currently
showing the pipeline status for this MR...

Florian Sesser authored 3 years ago and Jean-Paul Calderone committed 3 years ago

... just because I like to be consistent.

Florian Sesser authored 3 years ago and Jean-Paul Calderone committed 3 years ago

... to make private.storage the default above privatestorage.io.
Before this the privatestorage.io could be seen in the TLS cert.

Add Tom's comments to the docs

See merge request !248

Speed up evaluation of grids by evaluating custom packages once.

See merge request !246

Source: https://whetstone.privatestorage.io/privatestorage/PrivateStorageio/-/merge_requests/237#note_18712

Grafana: Allow access to /metrics only to monitoring network and localhost

Closes privatestorageops#408

See merge request !242

Thanks to @jcalderone for the suggestion!

Update nixpkgs 2022-01-17

See merge request !247

The current code evaluates our custom packages once for each node, which adds
signifcant amount of time to evaluate a grid. We can reduce this, by adding the
custom package set as an attribute to the nixpkgs set we pass to morph.

This doesn't change how we refer to those packages, as we continue to expose the
custom package set as a module attribute.

These are the times to evaluate all three grids (on a partially loaded system),
when there was nothing new to build:

```
before:
real	2m27.837s
user	3m35.528s
sys	0m3.722s

after:
real	1m12.748s
user	1m34.047s
sys	0m3.346s
```

Change yet another IP from 67 to 56 subnet

See merge request !243

Bump to PaymentServer 2022-01-17

See merge request !244