#!/usr/bin/env sh
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# OpenStack Designate API plugin
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#
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# This requires you to have OpenStackClient and python-desginateclient
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# installed.
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#
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# You will require Keystone V3 credentials loaded into your environment, which
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# could be either password or v3applicationcredential type.
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#
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# Author: Andy Botting <andy@andybotting.com>
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######## Public functions #####################
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# Usage: dns_openstack_add _acme-challenge.www.domain.com "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
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dns_openstack_add() {
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fulldomain=$1
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txtvalue=$2
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_debug fulldomain "$fulldomain"
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_debug txtvalue "$txtvalue"
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_dns_openstack_credentials || return $?
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_dns_openstack_check_setup || return $?
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_dns_openstack_find_zone || return $?
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_dns_openstack_get_recordset || return $?
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_debug _recordset_id "$_recordset_id"
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if [ -n "$_recordset_id" ]; then
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_dns_openstack_get_records || return $?
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_debug _records "$_records"
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fi
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_dns_openstack_create_recordset || return $?
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}
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# Usage: dns_openstack_rm _acme-challenge.www.domain.com "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
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# Remove the txt record after validation.
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dns_openstack_rm() {
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fulldomain=$1
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txtvalue=$2
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_debug fulldomain "$fulldomain"
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_debug txtvalue "$txtvalue"
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_dns_openstack_credentials || return $?
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_dns_openstack_check_setup || return $?
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_dns_openstack_find_zone || return $?
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_dns_openstack_get_recordset || return $?
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_debug _recordset_id "$_recordset_id"
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if [ -n "$_recordset_id" ]; then
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_dns_openstack_get_records || return $?
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_debug _records "$_records"
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fi
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_dns_openstack_delete_recordset || return $?
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}
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#################### Private functions below ##################################
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_dns_openstack_create_recordset() {
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if [ -z "$_recordset_id" ]; then
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_info "Creating a new recordset"
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if ! _recordset_id=$(openstack recordset create -c id -f value --type TXT --record "$txtvalue" "$_zone_id" "$fulldomain."); then
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_err "No recordset ID found after create"
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return 1
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fi
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else
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_info "Updating existing recordset"
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# Build new list of --record <rec> args for update
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_record_args="--record $txtvalue"
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for _rec in $_records; do
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_record_args="$_record_args --record $_rec"
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done
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# shellcheck disable=SC2086
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if ! _recordset_id=$(openstack recordset set -c id -f value $_record_args "$_zone_id" "$fulldomain."); then
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_err "Recordset update failed"
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return 1
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fi
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fi
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_max_retries=60
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_sleep_sec=5
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_retry_times=0
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while [ "$_retry_times" -lt "$_max_retries" ]; do
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_retry_times=$(_math "$_retry_times" + 1)
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_debug3 _retry_times "$_retry_times"
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_record_status=$(openstack recordset show -c status -f value "$_zone_id" "$_recordset_id")
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_info "Recordset status is $_record_status"
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if [ "$_record_status" = "ACTIVE" ]; then
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return 0
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elif [ "$_record_status" = "ERROR" ]; then
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return 1
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else
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_sleep $_sleep_sec
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fi
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done
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_err "Recordset failed to become ACTIVE"
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return 1
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}
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_dns_openstack_delete_recordset() {
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if [ "$_records" = "$txtvalue" ]; then
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_info "Only one record found, deleting recordset"
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if ! openstack recordset delete "$_zone_id" "$fulldomain." >/dev/null; then
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_err "Failed to delete recordset"
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return 1
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fi
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else
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_info "Found existing records, updating recordset"
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# Build new list of --record <rec> args for update
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_record_args=""
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for _rec in $_records; do
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if [ "$_rec" = "$txtvalue" ]; then
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continue
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fi
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_record_args="$_record_args --record $_rec"
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done
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# shellcheck disable=SC2086
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if ! openstack recordset set -c id -f value $_record_args "$_zone_id" "$fulldomain." >/dev/null; then
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_err "Recordset update failed"
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return 1
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fi
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fi
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}
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_dns_openstack_get_root() {
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# Take the full fqdn and strip away pieces until we get an exact zone name
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# match. For example, _acme-challenge.something.domain.com might need to go
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# into something.domain.com or domain.com
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_zone_name=$1
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_zone_list=$2
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while [ "$_zone_name" != "" ]; do
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_zone_name="$(echo "$_zone_name" | sed 's/[^.]*\.*//')"
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echo "$_zone_list" | while read -r id name; do
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if _startswith "$_zone_name." "$name"; then
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echo "$id"
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fi
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done
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done | _head_n 1
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}
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_dns_openstack_find_zone() {
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if ! _zone_list="$(openstack zone list -c id -c name -f value)"; then
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_err "Can't list zones. Check your OpenStack credentials"
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return 1
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fi
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_debug _zone_list "$_zone_list"
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if ! _zone_id="$(_dns_openstack_get_root "$fulldomain" "$_zone_list")"; then
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_err "Can't find a matching zone. Check your OpenStack credentials"
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return 1
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fi
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_debug _zone_id "$_zone_id"
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}
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_dns_openstack_get_records() {
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if ! _records=$(openstack recordset show -c records -f value "$_zone_id" "$fulldomain."); then
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_err "Failed to get records"
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return 1
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fi
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return 0
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}
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_dns_openstack_get_recordset() {
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if ! _recordset_id=$(openstack recordset list -c id -f value --name "$fulldomain." "$_zone_id"); then
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_err "Failed to get recordset"
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return 1
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fi
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return 0
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}
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_dns_openstack_check_setup() {
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if ! _exists openstack; then
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_err "OpenStack client not found"
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return 1
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fi
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}
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_dns_openstack_credentials() {
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_debug "Check OpenStack credentials"
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# If we have OS_AUTH_URL already set in the environment, then assume we want
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# to use those, otherwise use stored credentials
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if [ -n "$OS_AUTH_URL" ]; then
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_debug "OS_AUTH_URL env var found, using environment"
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else
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_debug "OS_AUTH_URL not found, loading stored credentials"
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OS_AUTH_URL="${OS_AUTH_URL:-$(_readaccountconf_mutable OS_AUTH_URL)}"
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OS_IDENTITY_API_VERSION="${OS_IDENTITY_API_VERSION:-$(_readaccountconf_mutable OS_IDENTITY_API_VERSION)}"
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OS_AUTH_TYPE="${OS_AUTH_TYPE:-$(_readaccountconf_mutable OS_AUTH_TYPE)}"
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OS_APPLICATION_CREDENTIAL_ID="${OS_APPLICATION_CREDENTIAL_ID:-$(_readaccountconf_mutable OS_APPLICATION_CREDENTIAL_ID)}"
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OS_APPLICATION_CREDENTIAL_SECRET="${OS_APPLICATION_CREDENTIAL_SECRET:-$(_readaccountconf_mutable OS_APPLICATION_CREDENTIAL_SECRET)}"
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OS_USERNAME="${OS_USERNAME:-$(_readaccountconf_mutable OS_USERNAME)}"
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OS_PASSWORD="${OS_PASSWORD:-$(_readaccountconf_mutable OS_PASSWORD)}"
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OS_PROJECT_NAME="${OS_PROJECT_NAME:-$(_readaccountconf_mutable OS_PROJECT_NAME)}"
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OS_PROJECT_ID="${OS_PROJECT_ID:-$(_readaccountconf_mutable OS_PROJECT_ID)}"
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OS_USER_DOMAIN_NAME="${OS_USER_DOMAIN_NAME:-$(_readaccountconf_mutable OS_USER_DOMAIN_NAME)}"
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OS_USER_DOMAIN_ID="${OS_USER_DOMAIN_ID:-$(_readaccountconf_mutable OS_USER_DOMAIN_ID)}"
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OS_PROJECT_DOMAIN_NAME="${OS_PROJECT_DOMAIN_NAME:-$(_readaccountconf_mutable OS_PROJECT_DOMAIN_NAME)}"
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OS_PROJECT_DOMAIN_ID="${OS_PROJECT_DOMAIN_ID:-$(_readaccountconf_mutable OS_PROJECT_DOMAIN_ID)}"
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fi
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# Check each var and either save or clear it depending on whether its set.
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# The helps us clear out old vars in the case where a user may want
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# to switch between password and app creds
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_debug "OS_AUTH_URL" "$OS_AUTH_URL"
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if [ -n "$OS_AUTH_URL" ]; then
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export OS_AUTH_URL
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_saveaccountconf_mutable OS_AUTH_URL "$OS_AUTH_URL"
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else
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unset OS_AUTH_URL
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_clearaccountconf SAVED_OS_AUTH_URL
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fi
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_debug "OS_IDENTITY_API_VERSION" "$OS_IDENTITY_API_VERSION"
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if [ -n "$OS_IDENTITY_API_VERSION" ]; then
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export OS_IDENTITY_API_VERSION
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_saveaccountconf_mutable OS_IDENTITY_API_VERSION "$OS_IDENTITY_API_VERSION"
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else
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unset OS_IDENTITY_API_VERSION
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_clearaccountconf SAVED_OS_IDENTITY_API_VERSION
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fi
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_debug "OS_AUTH_TYPE" "$OS_AUTH_TYPE"
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if [ -n "$OS_AUTH_TYPE" ]; then
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export OS_AUTH_TYPE
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_saveaccountconf_mutable OS_AUTH_TYPE "$OS_AUTH_TYPE"
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else
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unset OS_AUTH_TYPE
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_clearaccountconf SAVED_OS_AUTH_TYPE
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fi
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_debug "OS_APPLICATION_CREDENTIAL_ID" "$OS_APPLICATION_CREDENTIAL_ID"
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if [ -n "$OS_APPLICATION_CREDENTIAL_ID" ]; then
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export OS_APPLICATION_CREDENTIAL_ID
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_saveaccountconf_mutable OS_APPLICATION_CREDENTIAL_ID "$OS_APPLICATION_CREDENTIAL_ID"
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else
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unset OS_APPLICATION_CREDENTIAL_ID
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_clearaccountconf SAVED_OS_APPLICATION_CREDENTIAL_ID
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fi
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_secure_debug "OS_APPLICATION_CREDENTIAL_SECRET" "$OS_APPLICATION_CREDENTIAL_SECRET"
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if [ -n "$OS_APPLICATION_CREDENTIAL_SECRET" ]; then
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export OS_APPLICATION_CREDENTIAL_SECRET
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_saveaccountconf_mutable OS_APPLICATION_CREDENTIAL_SECRET "$OS_APPLICATION_CREDENTIAL_SECRET"
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else
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unset OS_APPLICATION_CREDENTIAL_SECRET
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_clearaccountconf SAVED_OS_APPLICATION_CREDENTIAL_SECRET
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fi
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_debug "OS_USERNAME" "$OS_USERNAME"
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if [ -n "$OS_USERNAME" ]; then
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export OS_USERNAME
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_saveaccountconf_mutable OS_USERNAME "$OS_USERNAME"
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else
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unset OS_USERNAME
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_clearaccountconf SAVED_OS_USERNAME
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fi
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_secure_debug "OS_PASSWORD" "$OS_PASSWORD"
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if [ -n "$OS_PASSWORD" ]; then
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export OS_PASSWORD
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_saveaccountconf_mutable OS_PASSWORD "$OS_PASSWORD"
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else
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unset OS_PASSWORD
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_clearaccountconf SAVED_OS_PASSWORD
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fi
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_debug "OS_PROJECT_NAME" "$OS_PROJECT_NAME"
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if [ -n "$OS_PROJECT_NAME" ]; then
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export OS_PROJECT_NAME
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_saveaccountconf_mutable OS_PROJECT_NAME "$OS_PROJECT_NAME"
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else
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unset OS_PROJECT_NAME
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_clearaccountconf SAVED_OS_PROJECT_NAME
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fi
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_debug "OS_PROJECT_ID" "$OS_PROJECT_ID"
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if [ -n "$OS_PROJECT_ID" ]; then
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export OS_PROJECT_ID
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_saveaccountconf_mutable OS_PROJECT_ID "$OS_PROJECT_ID"
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else
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unset OS_PROJECT_ID
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_clearaccountconf SAVED_OS_PROJECT_ID
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fi
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_debug "OS_USER_DOMAIN_NAME" "$OS_USER_DOMAIN_NAME"
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if [ -n "$OS_USER_DOMAIN_NAME" ]; then
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export OS_USER_DOMAIN_NAME
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_saveaccountconf_mutable OS_USER_DOMAIN_NAME "$OS_USER_DOMAIN_NAME"
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else
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unset OS_USER_DOMAIN_NAME
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_clearaccountconf SAVED_OS_USER_DOMAIN_NAME
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fi
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_debug "OS_USER_DOMAIN_ID" "$OS_USER_DOMAIN_ID"
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if [ -n "$OS_USER_DOMAIN_ID" ]; then
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export OS_USER_DOMAIN_ID
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_saveaccountconf_mutable OS_USER_DOMAIN_ID "$OS_USER_DOMAIN_ID"
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else
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unset OS_USER_DOMAIN_ID
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_clearaccountconf SAVED_OS_USER_DOMAIN_ID
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fi
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_debug "OS_PROJECT_DOMAIN_NAME" "$OS_PROJECT_DOMAIN_NAME"
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if [ -n "$OS_PROJECT_DOMAIN_NAME" ]; then
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export OS_PROJECT_DOMAIN_NAME
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_saveaccountconf_mutable OS_PROJECT_DOMAIN_NAME "$OS_PROJECT_DOMAIN_NAME"
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else
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unset OS_PROJECT_DOMAIN_NAME
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_clearaccountconf SAVED_OS_PROJECT_DOMAIN_NAME
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fi
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_debug "OS_PROJECT_DOMAIN_ID" "$OS_PROJECT_DOMAIN_ID"
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if [ -n "$OS_PROJECT_DOMAIN_ID" ]; then
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export OS_PROJECT_DOMAIN_ID
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_saveaccountconf_mutable OS_PROJECT_DOMAIN_ID "$OS_PROJECT_DOMAIN_ID"
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else
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unset OS_PROJECT_DOMAIN_ID
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_clearaccountconf SAVED_OS_PROJECT_DOMAIN_ID
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fi
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if [ "$OS_AUTH_TYPE" = "v3applicationcredential" ]; then
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# Application Credential auth
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if [ -z "$OS_APPLICATION_CREDENTIAL_ID" ] || [ -z "$OS_APPLICATION_CREDENTIAL_SECRET" ]; then
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_err "When using OpenStack application credentials, OS_APPLICATION_CREDENTIAL_ID"
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_err "and OS_APPLICATION_CREDENTIAL_SECRET must be set."
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_err "Please check your credentials and try again."
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return 1
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fi
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else
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# Password auth
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if [ -z "$OS_USERNAME" ] || [ -z "$OS_PASSWORD" ]; then
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_err "OpenStack username or password not found."
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_err "Please check your credentials and try again."
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return 1
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fi
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if [ -z "$OS_PROJECT_NAME" ] && [ -z "$OS_PROJECT_ID" ]; then
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_err "When using password authentication, OS_PROJECT_NAME or"
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_err "OS_PROJECT_ID must be set."
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_err "Please check your credentials and try again."
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return 1
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fi
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fi
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return 0
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}
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