Log formatting #44
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fluca1978
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Feb 24, 2022
This introduces the configuration parameter `log_line_prefix` that accepts a strftime(3) valid string that is parsed and stored at the very first log entry in the configuration structure (`config->log_line_prefix`). Logging to a file and to the console is done using such prefix via strftime. Documentation updated. Close agroal#44
fluca1978
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Feb 25, 2022
This introduces the configuration parameter `log_line_prefix` that accepts a strftime(3) valid string that is parsed and stored at the very first log entry in the configuration structure (`config->log_line_prefix`). Logging to a file and to the console is done using such prefix via strftime. Documentation updated. Close agroal#44
fluca1978
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Feb 28, 2022
See initial work in agroal#213. This patch implements the log rotation and formatting support. There are now three new configuration options: - log_line_prefix is a strftime(3) compatible string that is used as a prefix whenever a new line is logged to console or file; - log_rotation_age provides the age (in seconds) of when the log must be rotated. There is raw support for human strings like '1d' for 'one day'; - log_rotation_size provides the size in bytes when the log must be rotated. Log rotation is evaluated at every new log line issuing, that means the age and the size are not honored effectively until a new log line is issued. When the system decides to rotate the log, the log file is flushed and a new one is opened. To allow rotation, log_path supports a strftime(3) compatible string like log_path = /var/log/pgagroal/pgagroal-%Y-%m-%d-%H-%M-%S.log so that whnever a new log file must to be created, it can be placed side by side the closed one. In the case the new log file already exists, the log_mode is used to decide if the log must be truncated or used in append mode. In the case the log_mode is set to console or to syslog, the log rotation is automatically disabled, therefore the overhead of the rotation machinery will be applied only when logging to a file. Example of configuration: log_type = file log_level = info log_path = /var/log/pgagroal/pgagroal-%Y-%m-%d-%H-%M-%S.log log_mode = create log_rotation_size = 2M log_rotation_age = 1m log_line_prefix = PGAGROAL-%Y-%m-%d-%H:%M:%S' Close agroal#44 Close agroal#45
fluca1978
added a commit
to fluca1978/pgagroal
that referenced
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Feb 28, 2022
See initial work in agroal#213. This patch implements the log rotation and formatting support. There are now three new configuration options: - log_line_prefix is a strftime(3) compatible string that is used as a prefix whenever a new line is logged to console or file; - log_rotation_age provides the age (in seconds) of when the log must be rotated. There is raw support for human strings like '1d' for 'one day'; - log_rotation_size provides the size in bytes when the log must be rotated. Log rotation is evaluated at every new log line issuing, that means the age and the size are not honored effectively until a new log line is issued. When the system decides to rotate the log, the log file is flushed and a new one is opened. To allow rotation, log_path supports a strftime(3) compatible string like log_path = /var/log/pgagroal/pgagroal-%Y-%m-%d-%H-%M-%S.log so that whnever a new log file must to be created, it can be placed side by side the closed one. In the case the new log file already exists, the log_mode is used to decide if the log must be truncated or used in append mode. In the case the log_mode is set to console or to syslog, the log rotation is automatically disabled, therefore the overhead of the rotation machinery will be applied only when logging to a file. Example of configuration: log_type = file log_level = info log_path = /var/log/pgagroal/pgagroal-%Y-%m-%d-%H-%M-%S.log log_mode = create log_rotation_size = 2M log_rotation_age = 1m log_line_prefix = PGAGROAL-%Y-%m-%d-%H:%M:%S' Close agroal#44 Close agroal#45
fluca1978
added a commit
to fluca1978/pgagroal
that referenced
this issue
Feb 28, 2022
See initial work in agroal#213. This patch implements the log rotation and formatting support. There are now three new configuration options: - log_line_prefix is a strftime(3) compatible string that is used as a prefix whenever a new line is logged to console or file; - log_rotation_age provides the age (in seconds) of when the log must be rotated. There is raw support for human strings like '1d' for 'one day'; - log_rotation_size provides the size in bytes when the log must be rotated. Log rotation is evaluated at every new log line issuing, that means the age and the size are not honored effectively until a new log line is issued. When the system decides to rotate the log, the log file is flushed and a new one is opened. To allow rotation, log_path supports a strftime(3) compatible string like log_path = /var/log/pgagroal/pgagroal-%Y-%m-%d-%H-%M-%S.log so that whnever a new log file must to be created, it can be placed side by side the closed one. In the case the new log file already exists, the log_mode is used to decide if the log must be truncated or used in append mode. In the case the log_mode is set to console or to syslog, the log rotation is automatically disabled, therefore the overhead of the rotation machinery will be applied only when logging to a file. Example of configuration: log_type = file log_level = info log_path = /var/log/pgagroal/pgagroal-%Y-%m-%d-%H-%M-%S.log log_mode = create log_rotation_size = 2M log_rotation_age = 1m log_line_prefix = PGAGROAL-%Y-%m-%d-%H:%M:%S' Close agroal#44 Close agroal#45
fluca1978
added a commit
to fluca1978/pgagroal
that referenced
this issue
Feb 28, 2022
See initial work in agroal#213. This patch implements the log rotation and formatting support. There are now three new configuration options: - log_line_prefix is a strftime(3) compatible string that is used as a prefix whenever a new line is logged to console or file; - log_rotation_age provides the age (in seconds) of when the log must be rotated. There is raw support for human strings like '1d' for 'one day'; - log_rotation_size provides the size in bytes when the log must be rotated. Log rotation is evaluated at every new log line issuing, that means the age and the size are not honored effectively until a new log line is issued. When the system decides to rotate the log, the log file is flushed and a new one is opened. To allow rotation, log_path supports a strftime(3) compatible string like log_path = /var/log/pgagroal/pgagroal-%Y-%m-%d-%H-%M-%S.log so that whnever a new log file must to be created, it can be placed side by side the closed one. In the case the new log file already exists, the log_mode is used to decide if the log must be truncated or used in append mode. In the case the log_mode is set to console or to syslog, the log rotation is automatically disabled, therefore the overhead of the rotation machinery will be applied only when logging to a file. Example of configuration: log_type = file log_level = info log_path = /var/log/pgagroal/pgagroal-%Y-%m-%d-%H-%M-%S.log log_mode = create log_rotation_size = 2M log_rotation_age = 1m log_line_prefix = PGAGROAL-%Y-%m-%d-%H:%M:%S' Close agroal#44 Close agroal#45
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Implement log formatting codes that can style the logging output. Could borrow similar codes as PostgreSQL.
May require changes to zf_log.
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