#!/usr/bin/env python3
+#
+# Copyright (c) 2021, LabN Consulting, L.L.C.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; see the file COPYING; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+#
########################################################
### Python Script to generate the FRR support bundle ###
########################################################
+import argparse
+import logging
import os
import subprocess
-import datetime
-
-ETC_DIR = "/etc/frr/"
-LOG_DIR = "/var/log/frr/"
-SUCCESS = 1
-FAIL = 0
-
-inputFile = ETC_DIR + "support_bundle_commands.conf"
-
-# Create the output file name
-def createOutputFile(procName):
- fileName = procName + "_support_bundle.log"
- oldFile = LOG_DIR + fileName
- cpFileCmd = "cp " + oldFile + " " + oldFile + ".prev"
- rmFileCmd = "rm -rf " + oldFile
- print("Making backup of " + oldFile)
- os.system(cpFileCmd)
- print("Removing " + oldFile)
- os.system(rmFileCmd)
- return fileName
-
-
-# Open the output file for this process
-def openOutputFile(fileName):
- crt_file_cmd = LOG_DIR + fileName
- print(crt_file_cmd)
+import tempfile
+
+
+def open_with_backup(path):
+ if os.path.exists(path):
+ print("Making backup of " + path)
+ subprocess.check_call("mv {0} {0}.prev".format(path), shell=True)
+ return open(path, "w")
+
+
+def main():
+ parser = argparse.ArgumentParser()
+ parser.add_argument(
+ "-c",
+ "--config",
+ default="/etc/frr/support_bundle_commands.conf",
+ help="input config",
+ )
+ parser.add_argument(
+ "-l", "--log-dir", default="/var/log/frr", help="directory for logfiles"
+ )
+ args = parser.parse_args()
+
+ collecting = False # file format has sentinels (seem superfluous)
+ proc_cmds = {}
+ proc = None
+ temp = None
+
+ # Collect all the commands for each daemon
try:
- outputFile = open(crt_file_cmd, "w")
- return outputFile
- except IOError:
- return ()
-
-
-# Close the output file for this process
-def closeOutputFile(f):
- try:
- f.close()
- return SUCCESS
- except IOError:
- return FAIL
-
-
-# Execute the command over vtysh and store in the
-# output file
-def executeCommand(cmd, outputFile):
- cmd_exec_str = 'vtysh -c "' + cmd + '" '
- try:
- cmd_output = subprocess.check_output(cmd_exec_str, shell=True)
- try:
- dateTime = datetime.datetime.now()
- outputFile.write(">>[" + str(dateTime) + "]" + cmd + "\n")
- outputFile.write(str(cmd_output))
- outputFile.write(
- "########################################################\n"
- )
- outputFile.write("\n")
- except Exception as e:
- print("Writing to output file Failed: ", e)
- except subprocess.CalledProcessError as e:
- dateTime = datetime.datetime.now()
- outputFile.write(">>[" + str(dateTime) + "]" + cmd + "\n")
- outputFile.write(e.output)
- outputFile.write("########################################################\n")
- outputFile.write("\n")
- print("Error:" + e.output)
-
-
-# Process the support bundle configuration file
-# and call appropriate functions
-def processConfFile():
-
- lines = list()
- outputFile = None
-
- try:
- with open(inputFile, "r") as supportBundleConfFile:
- for l in supportBundleConfFile:
- lines.append(l.rstrip())
- except IOError:
- print("conf file {} not present".format(inputFile))
+ for line in open(args.config):
+ line = line.rstrip()
+ if len(line) == 0 or line[0] == "#":
+ continue
+
+ cmd_line = line.split(":")
+ if cmd_line[0] == "PROC_NAME":
+ proc = cmd_line[1]
+ temp = tempfile.NamedTemporaryFile("w+")
+ collecting = False
+ elif cmd_line[0] == "CMD_LIST_START":
+ collecting = True
+ elif cmd_line[0] == "CMD_LIST_END":
+ collecting = False
+ temp.flush()
+ proc_cmds[proc] = open(temp.name)
+ temp.close()
+ elif collecting:
+ temp.write(line + "\n")
+ else:
+ print("Ignoring unexpected input " + line.rstrip())
+ except IOError as error:
+ logging.fatal("Cannot read config file: %s: %s", args.config, str(error))
return
- for line in lines:
- if len(line) == 0 or line[0] == "#":
- continue
+ # Spawn a vtysh to fetch each set of commands
+ procs = []
+ for proc in proc_cmds:
+ ofn = os.path.join(args.log_dir, proc + "_support_bundle.log")
+ p = subprocess.Popen(
+ ["/usr/bin/env", "vtysh", "-t"],
+ stdin=proc_cmds[proc],
+ stdout=open_with_backup(ofn),
+ stderr=subprocess.STDOUT,
+ )
+ procs.append(p)
- cmd_line = line.split(":")
- if cmd_line[0] == "PROC_NAME":
- outputFileName = createOutputFile(cmd_line[1])
- if outputFileName:
- print(outputFileName, "created for", cmd_line[1])
- elif cmd_line[0] == "CMD_LIST_START":
- outputFile = openOutputFile(outputFileName)
- if outputFile:
- print(outputFileName, "opened")
- else:
- print(outputFileName, "open failed")
- return FAIL
- elif cmd_line[0] == "CMD_LIST_END":
- if closeOutputFile(outputFile):
- print(outputFileName, "closed")
- else:
- print(outputFileName, "close failed")
- else:
- print("Execute:", cmd_line[0])
- executeCommand(cmd_line[0], outputFile)
+ for p in procs:
+ p.wait()
-# Main Function
-processConfFile()
+if __name__ == "__main__":
+ main()
projects / mirror_frr.git / blobdiff