k8s.io/kubernetes@v1.29.3/test/images/volume/iscsi/create_block.sh (about)

     1  #!/usr/bin/env bash
     2  
     3  # Copyright 2015 The Kubernetes Authors.
     4  #
     5  # Licensed under the Apache License, Version 2.0 (the "License");
     6  # you may not use this file except in compliance with the License.
     7  # You may obtain a copy of the License at
     8  #
     9  #     http://www.apache.org/licenses/LICENSE-2.0
    10  #
    11  # Unless required by applicable law or agreed to in writing, software
    12  # distributed under the License is distributed on an "AS IS" BASIS,
    13  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    14  # See the License for the specific language governing permissions and
    15  # limitations under the License.
    16  
    17  # Exit on the first error.
    18  set -e
    19  
    20  MNTDIR="$(mktemp -d)"
    21  
    22  cleanup()
    23  {
    24      # Make sure we return the right exit code
    25      RET=$?
    26      # Silently remove everything and ignore errors
    27      set +e
    28      /bin/umount "$MNTDIR" 2>/dev/null
    29      /bin/rmdir "$MNTDIR" 2>/dev/null
    30      /bin/rm block 2>/dev/null
    31      exit $RET
    32  }
    33  
    34  trap cleanup TERM EXIT
    35  
    36  # Create 120MB device with ext2
    37  # (volume_io tests need at least 100MB)
    38  dd if=/dev/zero of=block seek=120 count=1 bs=1M
    39  mkfs.ext2 block
    40  
    41  # Add index.html to it
    42  mount -o loop block "$MNTDIR"
    43  echo "Hello from iscsi" > "$MNTDIR/index.html"
    44  umount "$MNTDIR"
    45  
    46  rm block.tar.gz 2>/dev/null || :
    47  tar cfz block.tar.gz block