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hotfix: trim metric labels to 1023 chars

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This commit is contained in:
Andrew Dryga
2024-04-19 11:12:03 -06:00
parent fc89e73e7f
commit 0d3d372ada
1 changed files with 13 additions and 1 deletions
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14
elixir/apps/domain/lib/domain/telemetry/google_cloud_metrics_reporter.ex
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@@ -221,7 +221,7 @@ defmodule Domain.Telemetry.GoogleCloudMetricsReporter do
defp flush(project_id, resource, labels, {buffer_size, buffer}) do
buffer
|> Enum.flat_map(fn {{schema, name, tags, unit}, measurements} ->
labels = Map.merge(labels, tags)
labels = Map.merge(labels, tags) |> truncate_labels()
format_time_series(schema, name, labels, resource, measurements, unit)
end)
|> Enum.chunk_every(200)
@@ -241,6 +241,18 @@ defmodule Domain.Telemetry.GoogleCloudMetricsReporter do
{0, %{}}
end
defp truncate_labels(labels) do
for {k, v} <- labels, into: %{} do
{k, v |> to_string() |> truncate_label()}
end
end
defp truncate_label(value) when byte_size(value) > 1020,
do: String.slice(value, 0, 1020) <> "..."
defp truncate_label(value),
do: value
defp format_time_series(Metrics.Counter, name, labels, resource, measurements, unit) do
{started_at, ended_at, count} = measurements