Hi Canh,
Ack with minor comments. See [Lennart] below.
Note: It is very important to also update the "OpenSAF_LOGSv_PR.odt" document
with the new admin operation
Thanks
Lennart
________________________________
Från: Canh Van Truong <canh.v.tru...@dektech.com.au>
Skickat: den 14 juni 2019 14:20
Till: Lennart Lund; Vu Minh Nguyen
Kopia: opensaf-devel@lists.sourceforge.net; Canh Van Truong
Ämne: [PATCH 1/1] log: Delete the older file without closing current log file
via admin operation [#3046]
Improve the enhancement of ticket #3022, the user can rotate (delete) older log
files without closing current log file.
LOG add new parameter (numberOfFilesToRemove) to admin op command with id = 2.
- If parameter exists, LOGD remove number of older file base on parameter value
- If parameter is omitted, LOGD rotates log file normally. (closing current log
file, rotate log file if needed, create new log file)
This helps to avoid creating empty log file or small log file size
---
src/log/apitest/tet_LogOiOps.c | 272 +++++++++++++++++++++++++++++------------
src/log/logd/lgs_filehdl.cc | 4 +-
src/log/logd/lgs_imm.cc | 104 ++++++++++++----
src/log/logd/lgs_stream.cc | 41 +++++--
src/log/logd/lgs_stream.h | 3 +-
5 files changed, 305 insertions(+), 119 deletions(-)
diff --git a/src/log/apitest/tet_LogOiOps.c b/src/log/apitest/tet_LogOiOps.c
index 947e79664..25f53d3a2 100644
--- a/src/log/apitest/tet_LogOiOps.c
+++ b/src/log/apitest/tet_LogOiOps.c
@@ -5521,95 +5521,201 @@ void admin_rotate_log_file(void)
}
}
+// Verify that log and cfg files are rotated when the number of log/cfg files
+// reach the "saLogStreamMaxFilesRotated" value (ticket #3045)
//
-// Test case for verifying the admin operation rotates log file with
-// parameter fails
-// Steps:
-// 1. Create configuration app stream
-// 2. Verify command admin operation rotates log file with parameter fails
-// 3. Delete configuration app stream
+// Step1: Create and delete the app stream with (saLogStreamMaxFilesRotated =
2)
+// 4 times
+// Step2: Verify that total is 4 cfg and log files (2 log files and 2 cfg
files)
+void verRotatedLogCfgFile(void)
+{
+ char command1[MAX_DATA], command2[MAX_DATA];
+ const char *object_dn =
+ "safLgStrCfg=verRotatedFile,safApp=safLogService";
+ const int max_file = 2;
+ char num_files_c[10];
+ uint32_t num_files = 0;
+
+ // Command to create configuration application stream
+ sprintf(command1, "immcfg -c SaLogStreamConfig %s "
+ "-a saLogStreamPathName=. "
+ "-a saLogStreamFileName=verRotatedFile"
+ " -a saLogStreamMaxFilesRotated=%d",
+ object_dn, max_file);
+ // Command to delete configuration application stream
+ sprintf(command2, "immcfg -d %s", object_dn);
+
+ // Create and delete the app stream 4 times.
+ // Log/cfg are created during creating stream.
+ for (int i = 0; i < max_file + 1; ++i) {
+ int rc = systemCall(command1);
+ if (rc == 0) {
+ osaf_nanosleep(&kHundredMilliseconds);
+ rc = systemCall(command2);
+ osaf_nanosleep(&kOneSecond);
+ }
+ if (rc != 0) {
+ rc_validate(rc, 0);
+ return;
+ }
+ }
+ // Command to count number of log/cfg files on disk
+ sprintf(command1, "find %s -type f -mmin -1 "
+ "| egrep '%s.*\\.[log$\\|cfg$]' "
+ "| wc -l | awk '{printf $1}'",
+ log_root_path, "verRotatedFile");
+
+ FILE *fp = popen(command1, "r");
+
+ // Get number of cfg and log file
+ while (fgets(num_files_c, sizeof(num_files_c) - 1, fp) != NULL) {};
+ pclose(fp);
+
+ // Verify cfg/log files are rotated by checking
+ // that there are totally 4 cfg and log files
+ num_files = atoi(num_files_c);
+ rc_validate(num_files, max_file * 2);
+}
+
+// Verify that log file is rotated via admin operation with admin id = 2
+// and no parameter
//
-void admin_rotate_log_file_with_param(void)
+// Step1: Create and delete the app stream with (saLogStreamMaxFilesRotated =
2)
+// step2: Do admin operation 2 times to rotate log file.
+// Two new log file are created
+// step3: Verify log file is rotated via admin operation by checking that
+// there are 2 log files on disk
+void verRotatedLogCfgFile2(void)
{
- int rc = 0;
+ int rc;
char command[MAX_DATA];
const char *object_dn =
- "safLgStrCfg=admin_rotate_file1,safApp=safLogService";
+ "safLgStrCfg=verRotatedFile2,safApp=safLogService";
+ char num_files_c[10];
+ uint32_t num_files = 0;
- // Create configuration application stream
- sprintf(command, "immcfg -c SaLogStreamConfig %s"
- " -a saLogStreamPathName=. "
- "-a saLogStreamFileName=admin_rotate_file1 ",
- object_dn);
+ // Command to create configuration application stream
+ sprintf(command, "immcfg -c SaLogStreamConfig %s "
+ " -a saLogStreamPathName=. "
+ "-a saLogStreamFileName=verRotatedFile2"
+ " -a saLogStreamMaxFilesRotated=2",
+ object_dn);
+ // Create the app stream.
rc = systemCall(command);
- if (rc == 0) {
- // Admin operation opId = 2 with parameter
- sprintf(command, "immadm -o 2 -p "
- "saLogStreamSeverityFilter:SA_UINT32_T:7 %s >"
- " /dev/null 2>&1 ", object_dn);
- rc = system(command);
- rc_validate(WEXITSTATUS(rc), 1);
-
- // Delete object
- sprintf(command, "immcfg -d %s", object_dn);
- systemCall(command);
- } else {
+ if (rc != 0) {
rc_validate(rc, 0);
+ return;
}
+
+ // Do admin operation to rotate log file without the parameter
+ // Two new log files are created. One oldest file is removed.
+ sprintf(command, "immadm -o 2 %s", object_dn);
+ for (int i = 0; i < 2; ++i) {
+ osaf_nanosleep(&kOneSecond);
+ rc = systemCall(command);
+ if (rc != 0) {
+ rc_validate(rc, 0);
+ return;
+ }
+ }
+
+ // Command to count number of log files on disk
+ sprintf(command, "find %s -type f -mmin -1 "
+ "| egrep '%s.*\\.log$' "
+ "| wc -l | awk '{printf $1}'",
+ log_root_path, "verRotatedFile2");
+ FILE *fp = popen(command, "r");
+ // Get number of log files
+ while (fgets(num_files_c, sizeof(num_files_c) - 1, fp) != NULL) {};
+ pclose(fp);
+
+ // Command to delete configuration application stream
+ sprintf(command, "immcfg -d %s", object_dn);
+ // Close the application stream
+ rc = systemCall(command);
+ if (rc != 0) {
+ rc_validate(rc, 0);
+ return;
+ }
+
+ // Verify log file is rotated by checking that
+ // there are totally 4 log files on disk
+ num_files = atoi(num_files_c);
+ rc_validate(num_files, 2);
}
-// Verify that log and cfg files are rotated when the number of log/cfg files
-// reach the "saLogStreamMaxFilesRotated" value (ticket #3045)
+// Verify that oldest log and cfg files are removed via admin operation with
+// admin id = 2 and parameter exist
//
-// Step1: Create and delete the app stream with (saLogStreamMaxFilesRotated =
2)
-// 4 times
-// Step2: Verify that total is 4 cfg and log files (2 log files and 2 cfg
files)
-void verRotatedLogCfgFile(void)
+// Step1: Create and delete the app stream with (saLogStreamMaxFilesRotated =
4)
+// (There are two log files exists during create stream 2 times)
+// step2: Do admin operation to remove 1 oldest log files
+// step3: Verify 1 oldest log file is removed by checking that
+// there are 1 log files on disk
+void verRotatedLogCfgFile3(void)
{
- char command1[MAX_DATA], command2[MAX_DATA];
- const char *object_dn =
- "safLgStrCfg=verRotatedFile,safApp=safLogService";
- const uint32_t max_file = 2;
- char num_files_c[10];
- uint32_t num_files = 0;
-
- // Command to create configuration application stream
- sprintf(command1, "immcfg -c SaLogStreamConfig %s -a saLogStreamPathName=. "
- "-a saLogStreamFileName=verRotatedFile -a saLogStreamMaxFilesRotated=%d",
- object_dn, max_file);
- // Command to delete configuration application stream
- sprintf(command2, "immcfg -d %s", object_dn);
-
- // Create and delete the app stream 4 times.
- // Log/cfg are created during creating stream.
- for (int i = 0; i < max_file + 1; ++i) {
- int rc = systemCall(command1);
- if (rc == 0) {
- osaf_nanosleep(&kHundredMilliseconds);
- rc = systemCall(command2);
- osaf_nanosleep(&kOneSecond);
- }
- if (rc != 0) {
- rc_validate(rc, 0);
- return;
- }
- }
- // Command to count number of log/cfg files on disk
- sprintf(command1,"find %s -type f -mmin -1 "
- "| egrep '%s(_.*)\\.[log$\\|cfg$]' "
- "| wc -l | awk '{printf $1}'",
- log_root_path, "verRotatedFile");
-
- FILE *fp = popen(command1, "r");
-
- // Get number of cfg and log file
- while (fgets(num_files_c, sizeof(num_files_c) - 1, fp) != NULL) {};
- pclose(fp);
-
- // Verify cfg/log files are rotated by checking
- // that total is 4 cfg and log files
- num_files = atoi(num_files_c);
- rc_validate(num_files, max_file * 2);
+ int rc;
+ char command1[MAX_DATA], command2[MAX_DATA];
+ const char *object_dn =
+ "safLgStrCfg=verRotatedFile3,safApp=safLogService";
+ char num_files_c[10];
+ uint32_t num_files = 0;
+
+ // Command to create configuration application stream
+ sprintf(command1, "immcfg -c SaLogStreamConfig %s "
+ "-a saLogStreamPathName=. "
+ "-a saLogStreamFileName=verRotatedFile3"
+ " -a saLogStreamMaxFilesRotated=4",
+ object_dn);
+ // Command to delete configuration application stream
+ sprintf(command2, "immcfg -d %s", object_dn);
+
+ // Create and delete the app stream.
+ // 2 log are created during creating stream.
+ for (int i = 0; i < 2; ++i) {
+ rc = systemCall(command1);
+ if (rc == 0) {
+ osaf_nanosleep(&kHundredMilliseconds);
+ if (i == 1) break; // Keep opened stream at last turn
+ rc = systemCall(command2);
+ osaf_nanosleep(&kOneSecond);
+ }
+ if (rc != 0) {
+ rc_validate(rc, 0);
+ return;
+ }
+ }
+
+ // Admin operation to remove 1 oldest log files
+ sprintf(command1, "immadm -o 2 -p numberOfFilesToRemove:SA_UINT32_T:1 "
+ "%s", object_dn);
+ rc = systemCall(command1);
+ if (rc != 0) {
+ rc_validate(rc, 0);
+ return;
+ }
+
+ // Command to count number of log/cfg files on disk
+ sprintf(command1, "find %s -type f -mmin -1 "
+ "| egrep \"%s_([0-9]{8}_[0-9]{6}\\.log$)\" "
+ "| wc -l | awk '{printf $1}'",
+ log_root_path, "verRotatedFile3");
+ FILE *fp = popen(command1, "r");
+ // Get number of cfg and log file
+ while (fgets(num_files_c, sizeof(num_files_c) - 1, fp) != NULL) {};
+ pclose(fp);
+
+ // Close the application stream
+ rc = systemCall(command2);
+ if (rc != 0) {
+ rc_validate(rc, 0);
+ return;
+ }
+
+ // Verify 1 oldest cfg/log files are removed
+ // by checking that there is 1 log files on disk
+ num_files = atoi(num_files_c);
+ rc_validate(num_files, 1);
}
__attribute__((constructor)) static void saOiOperations_constructor(void)
@@ -5969,9 +6075,13 @@ __attribute__((constructor)) static void
saOiOperations_constructor(void)
6, verLogFileRotate,
"Verify that log file is not rotated if file size doesn't reach
max file size (ticket1439)");
test_case_add(6, admin_rotate_log_file,
- "Verify admin operation rotate log file is accepted");
- test_case_add(6, admin_rotate_log_file_with_param,
- "Verify admin operation rotate log file with parameter fails");
- test_case_add(6, verRotatedLogCfgFile,
- "Verify that both log and cfg files are rotated");
+ "Verify admin operation rotate log file is accepted");
+ test_case_add(6, verRotatedLogCfgFile,
+ "Verify that both log and cfg files are rotated");
+ test_case_add(6, verRotatedLogCfgFile2,
+ "Verify log file is rotated via admin operation "
+ "without parameter");
+ test_case_add(6, verRotatedLogCfgFile3,
+ "Verify oldest log files are removed via admin operation "
+ "with parameter");
}
diff --git a/src/log/logd/lgs_filehdl.cc b/src/log/logd/lgs_filehdl.cc
index b1afce3d5..e683f8b68 100644
--- a/src/log/logd/lgs_filehdl.cc
+++ b/src/log/logd/lgs_filehdl.cc
@@ -552,7 +552,7 @@ static int check_log_oldest(char *line, char *fname_prefix,
*old_date = date;
*old_time = time;
return 1;
- } else if ((date == *old_date) && (time < *old_time)) {
+ } else if ((date == *old_date) && (time <= *old_time)) {
*old_date = date;
*old_time = time;
return 1;
@@ -800,7 +800,7 @@ int get_number_of_cfg_files_hdl(void *indata, void *outdata,
}
}
- if (old_ind == -1) goto done_log_free;
+ if (old_ind == -1) goto done_cfg_free;
// If the oldest cfg file is older than the oldest log file, the output
// is returned with oldest cfg file. Otherwise the output is returned empty
diff --git a/src/log/logd/lgs_imm.cc b/src/log/logd/lgs_imm.cc
index 49bc686b6..ec36098c8 100644
--- a/src/log/logd/lgs_imm.cc
+++ b/src/log/logd/lgs_imm.cc
@@ -84,9 +84,11 @@ static std::vector<std::string> file_path_list;
static void lgs_admin_change_filter(
SaImmOiHandleT immOiHandle, SaInvocationT invocation,
SaConstStringT objectName, const SaImmAdminOperationParamsT_2 *parameter);
-static void lgs_admin_rotate_log_file(SaImmOiHandleT immOiHandle,
- SaInvocationT invocation,
- SaConstStringT objectName);
+static void lgs_admin_log_file(
+ SaImmOiHandleT immOiHandle,
+ SaInvocationT invocation,
+ SaConstStringT objectName,
+ const SaImmAdminOperationParamsT_2 *parameter);
static void report_oi_error(SaImmOiHandleT immOiHandle, SaImmOiCcbIdT ccbId,
const char *format, ...)
@@ -396,12 +398,7 @@ static void adminOperationCallback(
} else if (opId == SA_LOG_ADMIN_CHANGE_FILTER) {
lgs_admin_change_filter(immOiHandle, invocation, objName, param);
} else if (opId == SA_LOG_ADMIN_ROTATE_FILE) {
- if (param != nullptr) {
- report_om_error(immOiHandle, invocation,
- "Admin op rotate log file: parameters is not empty");
- } else {
- lgs_admin_rotate_log_file(immOiHandle, invocation, objName);
- }
+ lgs_admin_log_file(immOiHandle, invocation, objName, param);
} else {
report_om_error( immOiHandle, invocation, "Invalid operation ID");
}
@@ -3402,15 +3399,68 @@ static void lgs_admin_change_filter(
}
/**
- * Handle admin operation that rotates the log file
+ * Get number of files to remove from parameter in the invoked admin operation
+ *
+ * @param immOiHandle
+ * @param invocation
+ * @param parameter
+ * @return -1 if invalid parameter
+ * 0 if parameter is null
+ * > 0 number of files to remove
+ */
+static int get_number_of_files_to_remove(
+ SaImmOiHandleT immOiHandle,
+ SaInvocationT invocation,
+ log_stream_t *stream,
+ const SaImmAdminOperationParamsT_2 *parameter) {
+ TRACE_ENTER();
+ int result;
+ if (parameter == nullptr) {
+ result = 0;
+ } else if (strcmp(parameter->paramName, "numberOfFilesToRemove") != 0) {
+ report_om_error(immOiHandle, invocation,
+ "Admin op remove oldest log files, invalid param name. "
+ "Should be 'numberOfFilesToRemove'");
+ result = -1;
+ } else if (parameter->paramType != SA_IMM_ATTR_SAUINT32T) {
+ report_om_error(immOiHandle, invocation,
+ "Admin op remove oldest log files: invalid parameter type.
"
+ "Should be 'SA_UINT32_T'");
+ result = -1;
+ } else {
+ SaUint32T number_files_to_remove =
+ *(reinterpret_cast<SaUint32T *>(parameter->paramBuffer));
+
+ if (number_files_to_remove < 1 ||
+ number_files_to_remove >= stream->maxFilesRotated) {
+ report_om_error(immOiHandle, invocation,
+ "Admin op remove oldest log files: Out of range "
+ "(min:1 - max:%d)", stream->maxFilesRotated - 1);
+ result = -1;
+ } else {
+ result = number_files_to_remove;
+ }
+ }
+
+ TRACE_LEAVE2("num: %d", result);
+ return result;
+}
+
+/**
+ * Handle admin operation
[Lennart] Add information about what this function is doing:
Example: Handle admin operation to rotate or delete log files
Also change function name to lgs_admin_rotate_log_files(...)
+ * - If the parameter is omitted, log/cfg file is rotated
+ * - If the parameter exists, remove the oldest log/cfg files
*
* @param immOiHandle
* @param invocation
* @param objectName
+ * @param parameter
*/
-static void lgs_admin_rotate_log_file(SaImmOiHandleT immOiHandle,
- SaInvocationT invocation,
- SaConstStringT objectName) {
+static void lgs_admin_log_file(
+ SaImmOiHandleT immOiHandle,
+ SaInvocationT invocation,
+ SaConstStringT objectName,
+ const SaImmAdminOperationParamsT_2 *parameter) {
TRACE_ENTER();
osafassert(objectName != nullptr);
@@ -3421,16 +3471,26 @@ static void lgs_admin_rotate_log_file(SaImmOiHandleT
immOiHandle,
return;
}
- // Rotate log file.
- // Send the result "FAILED_OPERATION" to admin if the rotation fails
+ // Send the result "FAILED_OPERATION" to admin if the rotation/deletion fails
SaAisErrorT result = SA_AIS_OK;
- int ret = log_rotation_act(stream);
- if (ret == 0)
- // Checkpoint the stream to standby to rotate the log file
- // in case the split file system
- ckpt_stream_config(stream);
- else
- result = SA_AIS_ERR_FAILED_OPERATION;
+
+ int number_of_files_to_remove =
+ get_number_of_files_to_remove(immOiHandle, invocation, stream,
parameter);
+ if (number_of_files_to_remove == -1) {
+ return;
+ } else if (number_of_files_to_remove == 0) {
+ // Rotate log file.
+ if (log_rotation_act(stream) == 0)
+ // Checkpoint the stream to standby to rotate the log file
+ // in case the split file system
+ ckpt_stream_config(stream);
+ else
+ result = SA_AIS_ERR_FAILED_OPERATION;
+ } else {
+ // Remove the oldest log files
+ if (remove_oldest_log_files(stream, number_of_files_to_remove) == false)
+ result = SA_AIS_ERR_FAILED_OPERATION;
+ }
result = immutil_saImmOiAdminOperationResult(immOiHandle, invocation,
result);
if (result == SA_AIS_ERR_BAD_HANDLE) {
diff --git a/src/log/logd/lgs_stream.cc b/src/log/logd/lgs_stream.cc
index 7709c3c81..f2f7df940 100644
--- a/src/log/logd/lgs_stream.cc
+++ b/src/log/logd/lgs_stream.cc
@@ -269,35 +269,50 @@ static int delete_config_file(log_stream_t *stream) {
}
/**
- * Remove oldest log file until there are 'maxFilesRotated' - 1 files left
- * The oldest cfg files are also removed
+ * Remove oldest log and cfg files on disk.
+ * If the parameter @number_files_to_remove is zero, remove older log and cfg
+ * files until there are "maxFilesRotated" - 1 files left on disk.
*
* @param stream
+ * @param number_files_to_remove
* @return true/false
*/
-static bool rotate_if_needed(log_stream_t *stream) {
+bool remove_oldest_log_files(log_stream_t *stream,
+ int number_files_to_remove) {
char oldest_log_file[PATH_MAX];
char oldest_cfg_file[PATH_MAX];
- const int max_files_rotated = static_cast<int>(stream->maxFilesRotated);
+ int max_files_rotated = static_cast<int>(stream->maxFilesRotated) - 1;
- TRACE_ENTER();
+ TRACE_ENTER2("num: %d", number_files_to_remove);
// Get number of log files and the oldest log file
int log_file_cnt = get_number_of_log_files_h(stream, oldest_log_file);
- while (log_file_cnt >= max_files_rotated) {
+ if (log_file_cnt == -1) return false;
+
+ if (number_files_to_remove != 0) {
+ // If there are not enough number of log file to remove, return true
+ if (log_file_cnt <= number_files_to_remove) {
+ LOG_WA("No (%d) older log files to remove on disk",
+ number_files_to_remove);
+ return true;
+ }
+ max_files_rotated = log_file_cnt - number_files_to_remove;
+ }
+
+ while (log_file_cnt > max_files_rotated) {
TRACE("Delete oldest_log_file %s", oldest_log_file);
if (file_unlink_h(oldest_log_file) == -1) {
LOG_NO("Delete log file fail: %s - %s", oldest_log_file,
strerror(errno));
return false;
}
log_file_cnt = get_number_of_log_files_h(stream, oldest_log_file);
+ if (log_file_cnt == -1) return false;
}
- if (log_file_cnt == -1) return false;
// Housekeeping for cfg files
int number_deleted_files = 0;
int cfg_file_cnt = get_number_of_cfg_files_h(stream, oldest_cfg_file);
- while (cfg_file_cnt >= max_files_rotated) {
+ while (cfg_file_cnt > max_files_rotated) {
TRACE("Delete oldest_cfg_file %s", oldest_cfg_file);
if (file_unlink_h(oldest_cfg_file) == -1) {
LOG_NO("Delete cfg file fail: %s - %s", oldest_cfg_file,
strerror(errno));
@@ -351,8 +366,8 @@ void log_initiate_stream_files(log_stream_t *stream) {
(void)delete_config_file(stream);
/* Remove files from a previous life if needed */
- if (rotate_if_needed(stream) == false) {
- TRACE("%s - rotate_if_needed() FAIL", __FUNCTION__);
+ if (remove_oldest_log_files(stream) == false) {
+ TRACE("%s - remove_oldest_log_files() FAIL", __FUNCTION__);
goto done;
}
@@ -1100,7 +1115,7 @@ int log_rotation_stb(log_stream_t *stream) {
}
// Remove oldest file if needed
- if (rotate_if_needed(stream) == false) {
+ if (remove_oldest_log_files(stream) == false) {
TRACE("Old file removal failed");
}
// Save new name for current log file and open it
@@ -1169,7 +1184,7 @@ int log_rotation_act(log_stream_t *stream) {
// Reset file size for current log file
stream->curFileSize = 0;
// Remove oldest file if needed
- if (rotate_if_needed(stream) == false)
+ if (remove_oldest_log_files(stream) == false)
TRACE("Old file removal failed");
// Create a new file name that includes "open time stamp" and open the file
@@ -1523,7 +1538,7 @@ int log_stream_config_change(bool create_files_f, const
std::string &root_path,
}
}
- rotate_if_needed(stream);
+ remove_oldest_log_files(stream);
/* Reset file size for new log file */
stream->curFileSize = 0;
diff --git a/src/log/logd/lgs_stream.h b/src/log/logd/lgs_stream.h
index 2aa6922f4..8fdb5693d 100644
--- a/src/log/logd/lgs_stream.h
+++ b/src/log/logd/lgs_stream.h
@@ -149,5 +149,6 @@ void lgs_ckpt_stream_open(log_stream_t *stream, uint32_t
client_id);
int log_rotation_act(log_stream_t *stream);
int log_rotation_stb(log_stream_t *stream);
-
+bool remove_oldest_log_files(log_stream_t *stream,
+ int number_files_to_remove = 0);
#endif // LOG_LOGD_LGS_STREAM_H_
--
2.15.1
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