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electric
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retired
1.1.5
retired
1.1.4
retired
1.1.3
retired
1.1.2
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1.0.24
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1.0.0-beta.23
1.0.0-beta.22
1.0.0-beta.20
1.0.0-beta.19
1.0.0-beta.18
1.0.0-beta.17
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1.0.0-beta.10
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1.0.0-beta.8
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1.0.0-beta.5
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1.0.0-beta.3
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1.0.0-beta.1
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0.7.3
0.7.2
0.7.1
0.7.0
0.6.3
0.6.2
0.6.1
0.5.2
0.4.4
Postgres sync engine. Sync little subsets of your Postgres data into local apps and services.
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lib/electric/plug/trace_context_plug.ex
defmodule Electric.Plug.TraceContextPlug do
@moduledoc """
A plug that extracts trace context from incoming HTTP headers and sets it as the parent span.
"""
@behaviour Plug
require Logger
def init(opts), do: opts
def call(%Plug.Conn{req_headers: headers} = conn, _opts) do
# Extract function expects a list of headers as tuples and knows
# the expected header keys, so we don't have to prefilter.
ctx = :otel_propagator_text_map.extract_to(:otel_ctx.new(), headers)
# Get the span context from the extracted context
case :otel_tracer.current_span_ctx(ctx) do
:undefined ->
# No parent, continue as-is
conn
span_ctx ->
# Parent found, set as current span
:otel_tracer.set_current_span(span_ctx)
conn
end
end
end