Revision 643d7283 snf-image-host/common.sh.in

b/snf-image-host/common.sh.in
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CURL="curl"
27 27 

  		





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pithos_backend_support="@pithos_backend_support@"


  		





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network_backend_support="@network_backend_support@"


  		





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CLEANUP=( )


  		





  ......




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    local id=$1


  		





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    if [[ "$id" =~ ^pithos: ]]; then


  		





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        if [ "$pithos_backend_support" = "yes" ]; then


  		





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            echo "pithos"


  		





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        else


  		





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            log_error "Retrieving images from pithos is not supported"


  		





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            exit 1


  		





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        fi


  		





  
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        echo "pithos"


  		





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    elif [[ "$id" =~ ^(http|ftp)s?: ]]; then


  		





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        if [ "$network_backend_support" = "yes" ]; then


  		





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            echo "network";


  		





  ......




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            # before we give up with an error. This is needed for kpartx when


  		





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            # dealing with ntfs partitions mounted through fuse. umount is not


  		





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            # synchronous and may return while the partition is still busy. A


  		





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            # premature attempt to delete partition mappings through kpartx on a


  		





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            # device that hosts previously mounted ntfs partition may fail with


  		





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            # an  `device-mapper: remove ioctl failed: Device or resource busy'


  		





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            # error. A sensible workaround for this is to wait for a while and


  		





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            # then try again.


  		





  
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            # premature attempt to delete partition mappings through kpartx on


  		





  
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            # a device that hosts previously mounted ntfs partition may fail


  		





  
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            # with errors like this one:


  		





  
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            # `device-mapper: remove ioctl failed: Device or resource busy'


  		





  
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            # A sensible workaround for this is to wait for a while and then


  		





  
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            # retry it.


  		





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            local cmd=${CLEANUP[$i]}


  		





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            $cmd || for interval in 0.25 0.5 1 2 4; do


  		





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            echo "Command $cmd failed!"


  		












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