diff options
author | lain <lain@soykaf.club> | 2020-08-28 12:17:19 +0000 |
---|---|---|
committer | lain <lain@soykaf.club> | 2020-08-28 12:17:19 +0000 |
commit | 73dd5bdb7dcdf804bdbabcf632671d4de5042ebc (patch) | |
tree | efcb0b8e68f86d067de98a23f40a24c7dab79d2f /lib/pleroma/telemetry/logger.ex | |
parent | f891e2b2f1d1daa122b9856e4b660be394d31e34 (diff) | |
parent | b141e35d641e733dffe7bd6a45a5bbcafe586c56 (diff) |
Merge branch 'release/2.1.0' into 'stable'v2.1.0
Release/2.1.0
See merge request pleroma/pleroma!2927
Diffstat (limited to 'lib/pleroma/telemetry/logger.ex')
-rw-r--r-- | lib/pleroma/telemetry/logger.ex | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/lib/pleroma/telemetry/logger.ex b/lib/pleroma/telemetry/logger.ex new file mode 100644 index 000000000..4cacae02f --- /dev/null +++ b/lib/pleroma/telemetry/logger.ex @@ -0,0 +1,76 @@ +defmodule Pleroma.Telemetry.Logger do + @moduledoc "Transforms Pleroma telemetry events to logs" + + require Logger + + @events [ + [:pleroma, :connection_pool, :reclaim, :start], + [:pleroma, :connection_pool, :reclaim, :stop], + [:pleroma, :connection_pool, :provision_failure], + [:pleroma, :connection_pool, :client_death] + ] + def attach do + :telemetry.attach_many("pleroma-logger", @events, &handle_event/4, []) + end + + # Passing anonymous functions instead of strings to logger is intentional, + # that way strings won't be concatenated if the message is going to be thrown + # out anyway due to higher log level configured + + def handle_event( + [:pleroma, :connection_pool, :reclaim, :start], + _, + %{max_connections: max_connections, reclaim_max: reclaim_max}, + _ + ) do + Logger.debug(fn -> + "Connection pool is exhausted (reached #{max_connections} connections). Starting idle connection cleanup to reclaim as much as #{ + reclaim_max + } connections" + end) + end + + def handle_event( + [:pleroma, :connection_pool, :reclaim, :stop], + %{reclaimed_count: 0}, + _, + _ + ) do + Logger.error(fn -> + "Connection pool failed to reclaim any connections due to all of them being in use. It will have to drop requests for opening connections to new hosts" + end) + end + + def handle_event( + [:pleroma, :connection_pool, :reclaim, :stop], + %{reclaimed_count: reclaimed_count}, + _, + _ + ) do + Logger.debug(fn -> "Connection pool cleaned up #{reclaimed_count} idle connections" end) + end + + def handle_event( + [:pleroma, :connection_pool, :provision_failure], + %{opts: [key | _]}, + _, + _ + ) do + Logger.error(fn -> + "Connection pool had to refuse opening a connection to #{key} due to connection limit exhaustion" + end) + end + + def handle_event( + [:pleroma, :connection_pool, :client_death], + %{client_pid: client_pid, reason: reason}, + %{key: key}, + _ + ) do + Logger.warn(fn -> + "Pool worker for #{key}: Client #{inspect(client_pid)} died before releasing the connection with #{ + inspect(reason) + }" + end) + end +end |