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Merge cce4d3b551 into faedea2120

pull/3655/merge
Xin Li 4 years ago
committed by GitHub
parent
faedea2120 cce4d3b551
commit
4e6572432e
No known key found for this signature in database GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 125 additions and 84 deletions
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  1. 209
      dnsapi/dns_azure.sh

209
dnsapi/dns_azure.sh
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@ -13,53 +13,12 @@ dns_azure_add() {
fulldomain=$1
txtvalue=$2
AZUREDNS_SUBSCRIPTIONID="${AZUREDNS_SUBSCRIPTIONID:-$(_readaccountconf_mutable AZUREDNS_SUBSCRIPTIONID)}"
AZUREDNS_TENANTID="${AZUREDNS_TENANTID:-$(_readaccountconf_mutable AZUREDNS_TENANTID)}"
AZUREDNS_APPID="${AZUREDNS_APPID:-$(_readaccountconf_mutable AZUREDNS_APPID)}"
AZUREDNS_CLIENTSECRET="${AZUREDNS_CLIENTSECRET:-$(_readaccountconf_mutable AZUREDNS_CLIENTSECRET)}"
if [ -z "$AZUREDNS_SUBSCRIPTIONID" ]; then
AZUREDNS_SUBSCRIPTIONID=""
AZUREDNS_TENANTID=""
AZUREDNS_APPID=""
AZUREDNS_CLIENTSECRET=""
_err "You didn't specify the Azure Subscription ID "
if ! _azure_env_get_and_validate; then
_debug "The service principle environment is not properly set, please check the error details"
return 1
fi
if [ -z "$AZUREDNS_TENANTID" ]; then
AZUREDNS_SUBSCRIPTIONID=""
AZUREDNS_TENANTID=""
AZUREDNS_APPID=""
AZUREDNS_CLIENTSECRET=""
_err "You didn't specify the Azure Tenant ID "
return 1
fi
if [ -z "$AZUREDNS_APPID" ]; then
AZUREDNS_SUBSCRIPTIONID=""
AZUREDNS_TENANTID=""
AZUREDNS_APPID=""
AZUREDNS_CLIENTSECRET=""
_err "You didn't specify the Azure App ID"
return 1
fi
if [ -z "$AZUREDNS_CLIENTSECRET" ]; then
AZUREDNS_SUBSCRIPTIONID=""
AZUREDNS_TENANTID=""
AZUREDNS_APPID=""
AZUREDNS_CLIENTSECRET=""
_err "You didn't specify the Azure Client Secret"
return 1
fi
#save account details to account conf file.
_saveaccountconf_mutable AZUREDNS_SUBSCRIPTIONID "$AZUREDNS_SUBSCRIPTIONID"
_saveaccountconf_mutable AZUREDNS_TENANTID "$AZUREDNS_TENANTID"
_saveaccountconf_mutable AZUREDNS_APPID "$AZUREDNS_APPID"
_saveaccountconf_mutable AZUREDNS_CLIENTSECRET "$AZUREDNS_CLIENTSECRET"
accesstoken=$(_azure_getaccess_token "$AZUREDNS_TENANTID" "$AZUREDNS_APPID" "$AZUREDNS_CLIENTSECRET")
accesstoken=$(_azure_get_access_token)
if ! _get_root "$fulldomain" "$AZUREDNS_SUBSCRIPTIONID" "$accesstoken"; then
_err "invalid domain"
@ -115,48 +74,12 @@ dns_azure_rm() {
fulldomain=$1
txtvalue=$2
AZUREDNS_SUBSCRIPTIONID="${AZUREDNS_SUBSCRIPTIONID:-$(_readaccountconf_mutable AZUREDNS_SUBSCRIPTIONID)}"
AZUREDNS_TENANTID="${AZUREDNS_TENANTID:-$(_readaccountconf_mutable AZUREDNS_TENANTID)}"
AZUREDNS_APPID="${AZUREDNS_APPID:-$(_readaccountconf_mutable AZUREDNS_APPID)}"
AZUREDNS_CLIENTSECRET="${AZUREDNS_CLIENTSECRET:-$(_readaccountconf_mutable AZUREDNS_CLIENTSECRET)}"
if [ -z "$AZUREDNS_SUBSCRIPTIONID" ]; then
AZUREDNS_SUBSCRIPTIONID=""
AZUREDNS_TENANTID=""
AZUREDNS_APPID=""
AZUREDNS_CLIENTSECRET=""
_err "You didn't specify the Azure Subscription ID "
return 1
fi
if [ -z "$AZUREDNS_TENANTID" ]; then
AZUREDNS_SUBSCRIPTIONID=""
AZUREDNS_TENANTID=""
AZUREDNS_APPID=""
AZUREDNS_CLIENTSECRET=""
_err "You didn't specify the Azure Tenant ID "
return 1
fi
if [ -z "$AZUREDNS_APPID" ]; then
AZUREDNS_SUBSCRIPTIONID=""
AZUREDNS_TENANTID=""
AZUREDNS_APPID=""
AZUREDNS_CLIENTSECRET=""
_err "You didn't specify the Azure App ID"
if ! _azure_env_get_and_validate; then
_debug "The service principle environment is not properly set, please check the error details"
return 1
fi
if [ -z "$AZUREDNS_CLIENTSECRET" ]; then
AZUREDNS_SUBSCRIPTIONID=""
AZUREDNS_TENANTID=""
AZUREDNS_APPID=""
AZUREDNS_CLIENTSECRET=""
_err "You didn't specify the Azure Client Secret"
return 1
fi
accesstoken=$(_azure_getaccess_token "$AZUREDNS_TENANTID" "$AZUREDNS_APPID" "$AZUREDNS_CLIENTSECRET")
accesstoken=$(_azure_get_access_token)
if ! _get_root "$fulldomain" "$AZUREDNS_SUBSCRIPTIONID" "$accesstoken"; then
_err "invalid domain"
@ -206,6 +129,88 @@ dns_azure_rm() {
################### Private functions below ##################################
_azure_env_get_and_validate() {
AZUREDNS_USEMSI="${AZUREDNS_USEMSI:-$(_readaccountconf_mutable AZUREDNS_USEMSI)}"
# Azure resources which has managed identity could detect and acquire client id automatically by default.
# We skip check the environment variables for this case
if [ "$AZUREDNS_USEMSI" = "true" ]; then
_azure_msi_env_get_and_validate
return 0
fi
_azure_service_principle_env_get_and_validate
}
_azure_msi_env_get_and_validate() {
AZUREDNS_SUBSCRIPTIONID="${AZUREDNS_SUBSCRIPTIONID:-$(_readaccountconf_mutable AZUREDNS_SUBSCRIPTIONID)}"
AZUREDNS_MSIOBJECTID="${AZUREDNS_MSIOBJECTID:-$(_readaccountconf_mutable AZUREDNS_MSIOBJECTID)}"
if [ -z "$AZUREDNS_SUBSCRIPTIONID" ]; then
AZUREDNS_SUBSCRIPTIONID=""
AZUREDNS_MSIOBJECTID=""
_err "You didn't specify the Azure Subscription ID "
return 1
fi
if [ -z "$AZUREDNS_MSIOBJECTID" ]; then
AZUREDNS_MSIOBJECTID=""
_info "You didn't specify the Azure MSI Client ID, Use the default one "
fi
_saveaccountconf_mutable AZUREDNS_SUBSCRIPTIONID "$AZUREDNS_SUBSCRIPTIONID"
_saveaccountconf_mutable AZUREDNS_MSIOBJECTID "$AZUREDNS_MSIOBJECTID"
_saveaccountconf_mutable AZUREDNS_USEMSI "$AZUREDNS_USEMSI"
}
_azure_service_principle_env_get_and_validate() {
AZUREDNS_SUBSCRIPTIONID="${AZUREDNS_SUBSCRIPTIONID:-$(_readaccountconf_mutable AZUREDNS_SUBSCRIPTIONID)}"
AZUREDNS_TENANTID="${AZUREDNS_TENANTID:-$(_readaccountconf_mutable AZUREDNS_TENANTID)}"
AZUREDNS_APPID="${AZUREDNS_APPID:-$(_readaccountconf_mutable AZUREDNS_APPID)}"
AZUREDNS_CLIENTSECRET="${AZUREDNS_CLIENTSECRET:-$(_readaccountconf_mutable AZUREDNS_CLIENTSECRET)}"
if [ -z "$AZUREDNS_SUBSCRIPTIONID" ]; then
AZUREDNS_SUBSCRIPTIONID=""
AZUREDNS_TENANTID=""
AZUREDNS_APPID=""
AZUREDNS_CLIENTSECRET=""
_err "You didn't specify the Azure Subscription ID "
return 1
fi
if [ -z "$AZUREDNS_TENANTID" ]; then
AZUREDNS_SUBSCRIPTIONID=""
AZUREDNS_TENANTID=""
AZUREDNS_APPID=""
AZUREDNS_CLIENTSECRET=""
_err "You didn't specify the Azure Tenant ID "
return 1
fi
if [ -z "$AZUREDNS_APPID" ]; then
AZUREDNS_SUBSCRIPTIONID=""
AZUREDNS_TENANTID=""
AZUREDNS_APPID=""
AZUREDNS_CLIENTSECRET=""
_err "You didn't specify the Azure App ID"
return 1
fi
if [ -z "$AZUREDNS_CLIENTSECRET" ]; then
AZUREDNS_SUBSCRIPTIONID=""
AZUREDNS_TENANTID=""
AZUREDNS_APPID=""
AZUREDNS_CLIENTSECRET=""
_err "You didn't specify the Azure Client Secret"
return 1
fi
_saveaccountconf_mutable AZUREDNS_SUBSCRIPTIONID "$AZUREDNS_SUBSCRIPTIONID"
_saveaccountconf_mutable AZUREDNS_TENANTID "$AZUREDNS_TENANTID"
_saveaccountconf_mutable AZUREDNS_APPID "$AZUREDNS_APPID"
_saveaccountconf_mutable AZUREDNS_CLIENTSECRET "$AZUREDNS_CLIENTSECRET"
return 0
}
_azure_rest() {
m=$1
ep="$2"
@ -256,8 +261,43 @@ _azure_rest() {
return 0
}
_azure_get_access_token() {
if [ "$AZUREDNS_USEMSI" = "true" ]; then
_azure_msi_token "$AZUREDNS_MSIOBJECTID"
return 0
fi
_azure_service_principle_token "$AZUREDNS_TENANTID" "$AZUREDNS_APPID" "$AZUREDNS_CLIENTSECRET"
}
_azure_msi_token() {
objectId=$1
url=""
if [ -z "$objectId" ]; then
url="http://169.254.169.254/metadata/identity/oauth2/token?api-version=2018-02-01&resource=https%3A%2F%2Fmanagement.azure.com%2F"
else
url="http://169.254.169.254/metadata/identity/oauth2/token?api-version=2018-02-01&resource=https%3A%2F%2Fmanagement.azure.com%2F&object_id=$objectId"
fi
response=$(curl "$url" -H Metadata:true -s)
response="$(echo "$response" | _normalizeJson)"
accesstoken=$(echo "$response" | _egrep_o "\"access_token\":\"[^\"]*\"" | _head_n 1 | cut -d : -f 2 | tr -d \")
expires_on=$(echo "$response" | _egrep_o "\"expires_on\":\"[^\"]*\"" | _head_n 1 | cut -d : -f 2 | tr -d \")
if [ -z "$accesstoken" ]; then
_err "no acccess token received. Check your Azure settings see $WIKI"
return 1
fi
_saveaccountconf_mutable AZUREDNS_BEARERTOKEN "$accesstoken"
_saveaccountconf_mutable AZUREDNS_TOKENVALIDTO "$expires_on"
printf "%s" "$accesstoken"
return 0
}
## Ref: https://docs.microsoft.com/en-us/azure/active-directory/develop/active-directory-protocols-oauth-service-to-service#request-an-access-token
_azure_getaccess_token() {
_azure_service_principle_token() {
tenantID=$1
clientID=$2
clientSecret=$3
@ -316,6 +356,7 @@ _get_root() {
## (ZoneListResult with continuation token for the next page of results)
## Per https://docs.microsoft.com/en-us/azure/azure-subscription-service-limits#dns-limits you are limited to 100 Zone/subscriptions anyways
##
_azure_rest GET "https://management.azure.com/subscriptions/$subscriptionId/providers/Microsoft.Network/dnszones?\$top=500&api-version=2017-09-01" "" "$accesstoken"
# Find matching domain name in Json response
while true; do

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