Add new type __docker_stack
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cdist/conf/type/__docker_stack
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cdist/conf/type/__docker_stack/explorer/stack-exists
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cdist/conf/type/__docker_stack/explorer/stack-exists
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#!/bin/sh -e
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#
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# 2018 Ľubomír Kučera <lubomir.kucera.jr at gmail.com>
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#
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# This file is part of cdist.
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#
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# cdist is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# cdist is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with cdist. If not, see <http://www.gnu.org/licenses/>.
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#
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if docker stack ls | grep -q "^${__object_id:?} "; then
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echo 1
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else
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echo 0
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fi
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63
cdist/conf/type/__docker_stack/gencode-remote
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63
cdist/conf/type/__docker_stack/gencode-remote
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#!/bin/sh -e
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#
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# 2018 Ľubomír Kučera <lubomir.kucera.jr at gmail.com>
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#
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# This file is part of cdist.
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#
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# cdist is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# cdist is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with cdist. If not, see <http://www.gnu.org/licenses/>.
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#
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stack="${__object_id:?}"
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state=$(cat "${__object:?}/parameter/state")
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case "${state}" in
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absent)
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stack_exists=$(cat "${__object:?}/explorer/stack-exists")
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if [ "${stack_exists}" -ne 1 ]; then
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exit 0
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fi
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echo "docker stack rm ${stack}"
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;;
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present)
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compose_file=$(cat "${__object}/parameter/compose-file")
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if [ -z "${compose_file}" ]; then
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exit 0
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fi
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if [ "${compose_file}" = "-" ]; then
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compose_file="${__object}/stdin"
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fi
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cat <<-EOF
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compose_file="\$(mktemp cdist.XXXXXXXXXX)"
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base64 -d > "\${compose_file}" << eof
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$(base64 "${compose_file}")
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eof
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docker stack deploy --compose-file "\${compose_file}" \
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--prune ${stack}
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rm "\${compose_file}"
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EOF
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;;
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*)
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echo "Unsupported state: ${state}" >&2
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exit 1
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;;
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esac
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54
cdist/conf/type/__docker_stack/man.rst
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54
cdist/conf/type/__docker_stack/man.rst
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cdist-type__docker_stack(7)
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===========================
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NAME
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----
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cdist-type__docker_stack - Manage Docker stacks
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DESCRIPTION
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-----------
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This type manages service stacks.
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.. note::
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Since there is no easy way to tell whether a stack needs to be updated,
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`docker stack deploy` is being run every time this type is invoked.
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However, it does not mean this type is not idempotent. If Docker does not
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detect changes, the existing stack will not be updated.
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OPTIONAL PARAMETERS
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-------------------
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compose-file
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Path to the compose file. If it is '-' (dash), read standard input.
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state
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'present' or 'absent', defaults to 'present' where:
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present
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the stack is deployed
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absent
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the stack is removed
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EXAMPLES
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--------
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.. code-block:: sh
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# Deploys 'foo' stack defined in 'docker-compose.yml' compose file
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__docker_stack foo --compose-file docker-compose.yml
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AUTHORS
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-------
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Ľubomír Kučera <lubomir.kucera.jr at gmail.com>
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COPYING
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-------
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Copyright \(C) 2018 Ľubomír Kučera. You can redistribute it
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and/or modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation, either version 3 of the
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License, or (at your option) any later version.
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1
cdist/conf/type/__docker_stack/parameter/default/state
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1
cdist/conf/type/__docker_stack/parameter/default/state
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present
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2
cdist/conf/type/__docker_stack/parameter/optional
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2
cdist/conf/type/__docker_stack/parameter/optional
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compose-file
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state
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