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Posted to notifications@apisix.apache.org by GitBox <gi...@apache.org> on 2022/09/07 06:08:21 UTC
[GitHub] [apisix] spacewander commented on a diff in pull request #7869: fix: reload once when log rotate
spacewander commented on code in PR #7869:
URL: https://github.com/apache/apisix/pull/7869#discussion_r964417079
##########
apisix/plugins/log-rotate.lua:
##########
@@ -218,25 +221,42 @@ local function file_size(file)
end
-local function rotate_file(files, now_time, max_kept)
+local function rotate_file(files, now_time, max_kept, wait_time)
+ if isempty(files) then
+ return
+ end
+
+ local new_files = new_tab(2, 0)
+ -- rename the log files
for _, file in ipairs(files) do
local now_date = os_date("%Y-%m-%d_%H-%M-%S", now_time)
local new_file = rename_file(default_logs[file], now_date)
if not new_file then
return
end
- local pid = process.get_master_pid()
- core.log.warn("send USR1 signal to master process [", pid, "] for reopening log file")
- local ok, err = signal.kill(pid, signal.signum("USR1"))
- if not ok then
- core.log.error("failed to send USR1 signal for reopening log file: ", err)
- end
+ tab_insert(new_files, new_file)
+ end
+
+ -- send signal to reopen log files
+ local pid = process.get_master_pid()
+ core.log.warn("send USR1 signal to master process [", pid, "] for reopening log file")
+ local ok, err = signal.kill(pid, signal.signum("USR1"))
+ if not ok then
+ core.log.error("failed to send USR1 signal for reopening log file: ", err)
+ end
+
+ if enable_compression then
+ -- Waiting for nginx reopen files
+ -- to avoid losing logs during compression
+ ngx_sleep(wait_time)
Review Comment:
Will the sleep block the timer and cause the next rotation time incorrect?
##########
apisix/plugins/log-rotate.lua:
##########
@@ -37,7 +37,9 @@ local str_format = string.format
local str_reverse = string.reverse
local tab_insert = table.insert
local tab_sort = table.sort
-
+local new_tab = require "table.new"
+local ngx_sleep = require("apisix.core.utils").sleep
+local isempty = require "table.isempty"
Review Comment:
Better to introduce it via `core.table `
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