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-rwxr-xr-xsrc/journal-remote/log-generator.py72
1 files changed, 72 insertions, 0 deletions
diff --git a/src/journal-remote/log-generator.py b/src/journal-remote/log-generator.py
new file mode 100755
index 0000000..2843afb
--- /dev/null
+++ b/src/journal-remote/log-generator.py
@@ -0,0 +1,72 @@
+#!/usr/bin/env python3
+# SPDX-License-Identifier: LGPL-2.1-or-later
+
+import sys
+import argparse
+
+PARSER = argparse.ArgumentParser()
+PARSER.add_argument('n', type=int)
+PARSER.add_argument('--dots', action='store_true')
+PARSER.add_argument('-m', '--message-size', type=int, default=200)
+PARSER.add_argument('-d', '--data-size', type=int, default=4000)
+PARSER.add_argument('--data-type', choices={'random', 'simple'})
+OPTIONS = PARSER.parse_args()
+
+template = """\
+__CURSOR=s=6863c726210b4560b7048889d8ada5c5;i=3e931;b=f446871715504074bf7049ef0718fa93;m={m:x};t=4fd05c
+__REALTIME_TIMESTAMP={realtime_ts}
+__MONOTONIC_TIMESTAMP={monotonic_ts}
+_BOOT_ID=f446871715504074bf7049ef0718fa93
+_TRANSPORT=syslog
+PRIORITY={priority}
+SYSLOG_FACILITY={facility}
+SYSLOG_IDENTIFIER=/USR/SBIN/CRON
+MESSAGE={message}
+_UID=0
+_GID=0
+_MACHINE_ID=69121ca41d12c1b69a7960174c27b618
+_HOSTNAME=hostname
+SYSLOG_PID=25721
+_PID=25721
+_SOURCE_REALTIME_TIMESTAMP={source_realtime_ts}
+DATA={data}
+"""
+
+priority = 3
+facility = 6
+
+src = open('/dev/urandom', 'rb')
+
+bytes = 0
+counter = 0
+
+for i in range(OPTIONS.n):
+ message = src.read(OPTIONS.message_size)
+ message = repr(message)[2:-1]
+
+ if OPTIONS.data_type == 'random':
+ data = repr(src.read(OPTIONS.data_size))
+ else:
+ # keep the pattern non-repeating so we get a different blob every time
+ data = '{:0{}}'.format(counter, OPTIONS.data_size)
+ counter += 1
+
+ entry = template.format(m=0x198603b12d7 + i,
+ realtime_ts=1404101101501873 + i,
+ monotonic_ts=1753961140951 + i,
+ source_realtime_ts=1404101101483516 + i,
+ priority=priority,
+ facility=facility,
+ message=message,
+ data=data)
+
+ bytes += len(entry)
+
+ print(entry)
+
+ if OPTIONS.dots:
+ print('.', file=sys.stderr, end='', flush=True)
+
+if OPTIONS.dots:
+ print(file=sys.stderr)
+print('Wrote {} bytes'.format(bytes), file=sys.stderr)