opcodes: Add more result checks, add some comments

[ganeti-local] / daemons / ganeti-cleaner.in

diff --git a/daemons/ganeti-cleaner.in b/daemons/ganeti-cleaner.in
old mode 100755 (executable)
new mode 100644 (file)
index 1815e6d..0d93a6a
--- a/daemons/ganeti-cleaner.in
+++ b/daemons/ganeti-cleaner.in
@@ -1,7 +1,7 @@
 #!/bin/bash
 #
 
-# Copyright (C) 2009 Google Inc.
+# Copyright (C) 2009, 2010, 2011 Google Inc.
 #
 # 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
@@ -20,20 +20,78 @@
 
 set -e
 
-DATA_DIR=@LOCALSTATEDIR@/lib/ganeti
+in_cluster() {
+  [[ -e $DATA_DIR/ssconf_master_node ]]
+}
+
+cleanup_master() {
+  # Return if machine is not part of a cluster
+  in_cluster || return 0
+
+  # Return if queue archive directory doesn't exist
+  [[ -d $QUEUE_ARCHIVE_DIR ]] || return 0
+
+  # Remove old jobs
+  find $QUEUE_ARCHIVE_DIR -mindepth 2 -type f -mtime +$REMOVE_AFTER -print0 | \
+  xargs -r0 rm -vf
+}
+
+cleanup_node() {
+  # Return if directory for crypto keys doesn't exist
+  [[ -d $CRYPTO_DIR ]] || return 0
+
+  find $CRYPTO_DIR -mindepth 1 -maxdepth 1 -type d | \
+  while read dir; do
+    if $CHECK_CERT_EXPIRED $dir/cert; then
+      rm -vf $dir/{cert,key}
+      rmdir -v --ignore-fail-on-non-empty $dir
+    fi
+  done
+}
+
+cleanup_watcher() {
+  # Return if machine is not part of a cluster
+  in_cluster || return 0
+
+  # Remove old watcher files
+  find $DATA_DIR -maxdepth 1 -type f -mtime +$REMOVE_AFTER \
+    \( -name 'watcher.*-*-*-*.data' -or \
+       -name 'watcher.*-*-*-*.instance-status' \) -print0 | \
+  xargs -r0 rm -vf
+}
+
+# Overridden by unittest
+: ${LOCALSTATEDIR:=@LOCALSTATEDIR@}
+: ${CHECK_CERT_EXPIRED:=@PKGLIBDIR@/check-cert-expired}
+
+DATA_DIR=$LOCALSTATEDIR/lib/ganeti
+CLEANER_LOG_DIR=$LOCALSTATEDIR/log/ganeti/cleaner
 QUEUE_ARCHIVE_DIR=$DATA_DIR/queue/archive
+CRYPTO_DIR=$LOCALSTATEDIR/run/ganeti/crypto
 
 # Define how many days archived jobs should be left alone
 REMOVE_AFTER=21
 
-# Exit if machine is not part of a cluster
-[[ -e $DATA_DIR/ssconf_master_node ]] || echo 0
+# Define how many log files to keep around (usually one per day)
+KEEP_LOGS=50
+
+# Log file for this run
+LOG_FILE=$CLEANER_LOG_DIR/cleaner-$(date +'%Y-%m-%dT%H_%M').$$.log
+
+# Create log directory
+mkdir -p $CLEANER_LOG_DIR
+
+# Redirect all output to log file
+exec >>$LOG_FILE 2>&1
+
+echo "Cleaner started at $(date)"
 
-# Exit if queue archive directory doesn't exist
-[[ -d $QUEUE_ARCHIVE_DIR ]] || exit 0
+# Remove old cleaner log files
+find $CLEANER_LOG_DIR -maxdepth 1 -type f | sort | head -n -$KEEP_LOGS | \
+xargs -r rm -vf
 
-# Remove old jobs
-find $QUEUE_ARCHIVE_DIR -mindepth 2 -type f -mtime +$REMOVE_AFTER -print0 | \
-xargs -r0 rm -f
+cleanup_master
+cleanup_node
+cleanup_watcher
 
 exit 0