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Merge pull request #3055 from andybotting/openstack-dns
Merge pull request #3055 from andybotting/openstack-dns
Add OpenStack Designate DNS API supportpull/3063/head
neil
4 years ago
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 348 additions and 0 deletions
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#!/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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|
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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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|
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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" "$fulldomain."); then |
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_err "Recordset update failed" |
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return 1 |
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fi |
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fi |
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|
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_max_retries=60 |
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_sleep_sec=5 |
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_retry_times=0 |
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while [ "$_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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