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Retry network failures when fetching data from FA #122

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merged 1 commit into from
Mar 15, 2024
Merged

Retry network failures when fetching data from FA #122

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23 changes: 23 additions & 0 deletions lib/faexport/scraper.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -1302,6 +1302,8 @@
cookie_str = full_cookie(extra_cookie: extra_cookie, as_guest: as_guest)
raw = @cache.add("url:#{url}:#{cookie_str}") do
start = Time.now
retry_attempts = 0
retry_sleep_time = 0
begin
URI.parse(url).open({ "User-Agent" => USER_AGENT, "Cookie" => "#{cookie_str}" }) do |response|
raise FAStatusError.new(url, response.status.join(" ")) if response.status[0] != "200"
Expand All @@ -1328,8 +1330,29 @@
raise FASlowdownError.new(url)
end
end
# Retry some types of error
if e.io.status[0] == "502" || e.io.status[0] == "520"
retry_attempts += 1
if retry_attempts < 5

Check notice

Code scanning / Rubocop

Check for conditionals that can be replaced with guard clauses. Note

Style/GuardClause: Use a guard clause (raise unless retry_attempts < 5) instead of wrapping the code inside a conditional expression.
sleep(retry_sleep_time)
retry_sleep_time += 0.5
retry
else
raise
end
end
# Raise other HTTP errors as normal
raise
rescue Errno::ECONNRESET => e
# Retry connection reset errors
retry_attempts += 1
if retry_attempts < 5

Check notice

Code scanning / Rubocop

Check for conditionals that can be replaced with guard clauses. Note

Style/GuardClause: Use a guard clause (raise unless retry_attempts < 5) instead of wrapping the code inside a conditional expression.
sleep(retry_sleep_time)
retry_sleep_time += 0.5
retry
else
raise
end
ensure
request_time = Time.now - start
$page_request_time.observe(request_time, labels: { page_type: page_type })
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