Merge pull request #205 from github/dhadka/mssql-default-cadence

Set default backup cadence for MSSQL

Author: dhadka

backup.config-example

@@ -60,7 +60,7 @@ GHE_NUM_SNAPSHOTS=10
 #   - Differential backup every day (1440 minutes)
 #   - Transactionlog backup every 15 minutes
 #
-GHE_MSSQL_BACKUP_CADENCE=10080,1440,15
+#GHE_MSSQL_BACKUP_CADENCE=10080,1440,15
 
 # If set to 'yes', ghe-backup jobs will run in parallel. Defaults to 'no'.
 #

share/github-backup-utils/ghe-backup-config

@@ -243,6 +243,12 @@ export GHE_SNAPSHOT_DIR
 # Base path for temporary directories and files.
 : ${TMPDIR:="/tmp"}
 
+# Backup cadence for MS SQL. Determines the kind of backup taken, either full, differential,
+# or transaction log, based on when the last backup of that kind was taken. This defaults to
+# taking a full backup once a week, a differential backup once a day, and transaction logs every
+# 15 minutes.
+: ${GHE_MSSQL_BACKUP_CADENCE:=10080,1440,15}
+
 ###############################################################################
 ### Dynamic remote version config
 

test/test-ghe-backup.sh

@@ -341,6 +341,16 @@ begin_test "ghe-backup missing directories or files on source appliance"
 )
 end_test
 
+begin_test "ghe-backup has default cadence configured"
+(
+  set -e
+  enable_actions
+  
+  [ -n "$GHE_MSSQL_BACKUP_CADENCE" ]
+)
+end_test
+
+# Override backup cadence for testing purposes
 GHE_MSSQL_BACKUP_CADENCE=10,5,1
 export GHE_MSSQL_BACKUP_CADENCE
 setup_actions_test_data $GHE_REMOTE_DATA_USER_DIR