142 lines
3.7 KiB
Bash
142 lines
3.7 KiB
Bash
################################################################################
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# Copyright 2022 Antonin Portelli
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#
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# This file is part of miria-cli.
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#
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# miria-cli is free software: you can redistribute it and/or modify it under
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# the terms of the GNU General Public License as published by the Free Software
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# Foundation, either version 3 of the License, or (at your option) any
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# later version.
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#
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# miria-cli is distributed in the hope that it will be useful, but WITHOUT ANY
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# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE. See the 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 along with
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# miria-cli. If not, see <https://www.gnu.org/licenses/>.
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################################################################################
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# Functions used in miria-cli commands #########################################
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#######################################
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# Print error message
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#
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# Arguments:
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# Error message
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#######################################
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miria_error() {
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echo "[miria-cli] error: $1" 1>&2
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}
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#######################################
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# Get Mira API URL
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#
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# Arguments:
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# None
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# Output:
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# miria_url : Miria API URL
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#######################################
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miria_get_url() {
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if [ -e ~/.miria ]; then
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miria_url="$(grep -E ' *url +' ~/.miria | awk '{print $2}')"
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else
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miria_error 'file ~/.miria not found'
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exit 1
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fi
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}
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#######################################
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# Get Mira agent
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#
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# Arguments:
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# None
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# Output:
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# miria_agent : Miria agent name
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#######################################
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miria_get_agent() {
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if [ -e ~/.miria ]; then
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miria_agent="$(grep -E ' *agent +' ~/.miria | awk '{print $2}')"
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else
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miria_error 'file ~/.miria not found'
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exit 1
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fi
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}
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#######################################
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# Execute Mira API command
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#
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# Arguments:
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# API command,
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# command argument 1 (key=value),
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# ...
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# command argument n (key=value)
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# Outputs:
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# miria_last_xml : last XML answer
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# miria_last_status : last return code
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# miria_last_error : last error message
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#######################################
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miria_api_error_fatal='true'
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miria_api_cmd() {
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local url_args=()
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local cmd="$1"
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miria_get_url
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shift
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for a in "$@"; do
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url_args+=('--data')
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url_args+=("${a}")
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done
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miria_last_xml="$(curl -sG "${url_args[@]}" "${miria_url}/${cmd}")"
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miria_last_status="$(miria_xml_get_attribute "${miria_last_xml}" '//ReturnCode' 'ADARetCode')"
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miria_last_error="$(miria_xml_get_string "${miria_last_xml}" '//ErrorMsg')"
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if [[ "${miria_last_status}" != '1' ]] && [[ "${miria_api_error_fatal}" == 'true' ]]; then
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miria_error "Miria API call returned status ${miria_last_status}"
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miria_error "${miria_last_error}"
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exit 1
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fi
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}
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#######################################
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# Get XML string(s)
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#
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# Arguments:
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# XML data (in string form),
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# XPath of string
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#######################################
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miria_xml_get_string() {
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local xml="$1"
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local xpath="$2"
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echo "${xml}" | xmllint --xpath "string(${xpath})" -
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}
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#######################################
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# Get XML string(s) from last answer
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#
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# Arguments:
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# XPath of string
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#######################################
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miria_last_get_string() {
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local xpath="$1"
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miria_xml_get_string "${miria_last_xml}" "//${xpath}"
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}
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#######################################
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# Get XML attribute value(s)
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#
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# Arguments:
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# XML data (in string form),
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# XPath of attribute (without @attribute)
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# Attribute name
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#######################################
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miria_xml_get_attribute() {
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local xml="$1"
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local xpath="$2"
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local attr="$3"
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echo "${xml}" | xmllint --xpath "${xpath}/@${attr}" - \
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| sed -E "s/ *${attr}=\"(.+)\"/\1/g"
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}
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