forked from ungleich-public/cdist
Merge branch '__download_improvements' into 'master'
__download improvements See merge request ungleich-public/cdist!895
This commit is contained in:
commit
fde5627721
10 changed files with 173 additions and 27 deletions
19
cdist/conf/type/__download/explorer/remote_cmd
Executable file
19
cdist/conf/type/__download/explorer/remote_cmd
Executable file
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@ -0,0 +1,19 @@
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#!/bin/sh -e
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if [ -f "$__object/parameter/cmd-get" ]
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then
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cmd="$( cat "$__object/parameter/cmd-get" )"
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elif command -v curl > /dev/null
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then
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cmd="curl -L -o - '%s'"
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elif command -v fetch > /dev/null
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then
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cmd="fetch -o - '%s'"
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else
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cmd="wget -O - '%s'"
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fi
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echo "$cmd"
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@ -2,19 +2,71 @@
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dst="/$__object_id"
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# shellcheck disable=SC2059
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cmd="$( printf "$( cat "$__object/parameter/cmd-sum" )" "$dst" )"
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sum="$( cat "$__object/parameter/sum" )"
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if [ -f "$dst" ]
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if [ ! -f "$dst" ]
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then
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if [ "$( eval "$cmd" )" = "$sum" ]
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then
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echo 'present'
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else
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echo 'mismatch'
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fi
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else
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echo 'absent'
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exit 0
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fi
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sum_should="$( cat "$__object/parameter/sum" )"
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if [ -f "$__object/parameter/cmd-sum" ]
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then
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# shellcheck disable=SC2059
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sum_is="$( eval "$( printf \
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"$( cat "$__object/parameter/cmd-sum" )" \
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"$dst" )" )"
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else
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os="$( "$__explorer/os" )"
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if echo "$sum_should" | grep -Eq '^[0-9]+\s[0-9]+$'
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then
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sum_is="$( cksum "$dst" | awk '{print $1" "$2}' )"
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elif echo "$sum_should" | grep -Eiq '^md5:[a-f0-9]{32}$'
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then
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case "$os" in
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freebsd)
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sum_is="md5:$( md5 -q "$dst" )"
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;;
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*)
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sum_is="md5:$( md5sum "$dst" | awk '{print $1}' )"
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;;
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esac
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elif echo "$sum_should" | grep -Eiq '^sha1:[a-f0-9]{40}$'
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then
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case "$os" in
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freebsd)
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sum_is="sha1:$( sha1 -q "$dst" )"
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;;
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*)
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sum_is="sha1:$( sha1sum "$dst" | awk '{print $1}' )"
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;;
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esac
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elif echo "$sum_should" | grep -Eiq '^sha256:[a-f0-9]{64}$'
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then
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case "$os" in
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freebsd)
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sum_is="sha256:$( sha256 -q "$dst" )"
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;;
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*)
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sum_is="sha256:$( sha256sum "$dst" | awk '{print $1}' )"
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;;
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esac
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fi
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fi
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if [ -z "$sum_is" ]
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then
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echo 'no checksum from target' >&2
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exit 1
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fi
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if [ "$sum_is" = "$sum_should" ]
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then
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echo 'present'
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else
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echo 'mismatch'
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fi
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@ -1,20 +1,41 @@
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#!/bin/sh -e
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download="$( cat "$__object/parameter/download" )"
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state_is="$( cat "$__object/explorer/state" )"
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if [ "$state_is" = 'present' ]
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if [ "$download" != 'local' ] || [ "$state_is" = 'present' ]
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then
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exit 0
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fi
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url="$( cat "$__object/parameter/url" )"
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cmd="$( cat "$__object/parameter/cmd-get" )"
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tmp="$( mktemp )"
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dst="/$__object_id"
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if [ -f "$__object/parameter/cmd-get" ]
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then
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cmd="$( cat "$__object/parameter/cmd-get" )"
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elif command -v wget > /dev/null
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then
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cmd="wget -O - '%s'"
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elif command -v curl > /dev/null
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then
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cmd="curl -L -o - '%s'"
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elif command -v fetch > /dev/null
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then
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cmd="fetch -o - '%s'"
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else
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echo 'no usable locally installed utility for downloading' >&2
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exit 1
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fi
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printf "$cmd > %s\n" \
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"$url" \
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"$tmp"
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@ -33,3 +54,5 @@ printf '%s %s %s:%s\n' \
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"$dst"
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echo "rm -f '$tmp'"
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echo 'downloaded' > "$__messages_out"
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25
cdist/conf/type/__download/gencode-remote
Executable file
25
cdist/conf/type/__download/gencode-remote
Executable file
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@ -0,0 +1,25 @@
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#!/bin/sh -e
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download="$( cat "$__object/parameter/download" )"
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state_is="$( cat "$__object/explorer/state" )"
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if [ "$download" = 'remote' ] && [ "$state_is" != 'present' ]
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then
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cmd="$( cat "$__object/explorer/remote_cmd" )"
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url="$( cat "$__object/parameter/url" )"
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dst="/$__object_id"
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printf "$cmd > %s\n" \
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"$url" \
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"$dst"
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echo 'downloaded' > "$__messages_out"
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fi
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if [ -f "$__object/parameter/onchange" ] && [ "$state" != "present" ]
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then
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cat "$__object/parameter/onchange"
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fi
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@ -3,36 +3,56 @@ cdist-type__download(7)
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NAME
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----
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cdist-type__download - Download file to local storage and copy it to target host
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cdist-type__download - Download a file
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DESCRIPTION
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-----------
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You must use persistent storage in target host for destination file
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(``$__object_id``) because it will be used for checksum calculation
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in order to decide if file must be downloaded.
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Destination (``$__object_id``) in target host must be persistent storage
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in order to calculate checksum and decide if file must be (re-)downloaded.
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By default type will try to use ``wget``, ``curl`` or ``fetch``.
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If download happens in target (see ``--download``) then type will
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fallback to (and install) ``wget``.
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If download happens in local machine, then environment variables like
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``{http,https,ftp}_proxy`` etc can be used on cdist execution
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(``http_proxy=foo cdist config ...``).
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REQUIRED PARAMETERS
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-------------------
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url
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URL from which to download the file.
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File's URL.
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sum
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Checksum of downloaded file.
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Checksum of file going to be downloaded.
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By default output of ``cksum`` without filename is expected.
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Other hash formats supported with prefixes: ``md5:``, ``sha1:`` and ``sha256:``.
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onchange
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Execute this command after download.
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OPTIONAL PARAMETERS
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-------------------
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download
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If ``local`` (default), then download file to local storage and copy
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it to target host. If ``remote``, then download happens in target.
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cmd-get
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Command used for downloading.
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Default is ``wget -O- '%s'``.
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Command must output to ``stdout``.
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Parameter will be used for ``printf`` and must include only one
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format specification ``%s`` which will become URL.
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For example: ``wget -O - '%s'``.
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cmd-sum
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Command used for checksum calculation.
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Default is ``md5sum '%s' | awk '{print $1}'``.
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Command output and ``--sum`` parameter must match.
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Parameter will be used for ``printf`` and must include only one
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format specification ``%s`` which will become destination.
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For example: ``md5sum '%s' | awk '{print $1}'``.
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EXAMPLES
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@ -45,7 +65,7 @@ EXAMPLES
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require='__directory/opt/cpma' \
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__download /opt/cpma/cnq3.zip \
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--url https://cdn.playmorepromode.com/files/cnq3/cnq3-1.51.zip \
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--sum 46da3021ca9eace277115ec9106c5b46
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--sum md5:46da3021ca9eace277115ec9106c5b46
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require='__download/opt/cpma/cnq3.zip' \
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__unpack /opt/cpma/cnq3.zip \
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6
cdist/conf/type/__download/manifest
Executable file
6
cdist/conf/type/__download/manifest
Executable file
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#!/bin/sh -e
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if grep -Eq '^wget' "$__object/explorer/remote_cmd"
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then
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__package wget
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fi
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wget -O- '%s'
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md5sum '%s' | awk '{print $1}'
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1
cdist/conf/type/__download/parameter/default/download
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1
cdist/conf/type/__download/parameter/default/download
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local
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@ -1,2 +1,4 @@
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cmd-get
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cmd-sum
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download
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onchange
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