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Region Copy: Modified prerequisite_check for conditional usage

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This commit is contained in:
Dave Stern 2013-04-10 15:06:05 -04:00
parent c63fc636e6
commit 27f88ef5a1
1 changed files with 9 additions and 1 deletions
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10
ec2-automate-backup/Beta/ec2-automate-backup.sh
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@ -7,7 +7,14 @@
#confirms that executables required for succesful script execution are available
prerequisite_check()
{
for prerequisite in basename ec2-create-snapshot ec2-create-tags ec2-describe-snapshots ec2-delete-snapshot date
check_values=$1
if [[ -z $check_values ]]
then
check_values='ec2-create-snapshot ec2-create-tags ec2-describe-snapshots ec2-delete-snapshot date'
fi
for prerequisite in basename $check_values
do
#use of "hash" chosen as it is a shell builtin and will add programs to hash table, possibly speeding execution. Use of type also considered - open to suggestions.
hash $prerequisite &> /dev/null
@ -292,6 +299,7 @@ fi
#if region_copy_destinations is true, then run region_copy_EBS_Snapshots function
if [[ -n $region_copy_destinations ]]
then echo "Snapshot Copying to regions $region_copy_destinations is Starting Now."
prerequisite_check ec2-copy-snapshot
region_copy_EBS_Snapshots
fi