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acme.sh/dnsapi/dns_openstack.sh

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