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Add support for azure arc servers #5211

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Add support for azure arc servers #5211

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0f61e9c
Merge pull request #5206 from acmesh-official/dev
Neilpang Jul 14, 2024
a06afdc
add support for azure arc
Kisbogyi Jul 18, 2024
1213bbf
fix issues with shellcheck and shfmt
Kisbogyi Jul 19, 2024
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17 changes: 14 additions & 3 deletions dnsapi/dns_azure.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -83,7 +83,7 @@ dns_azure_add() {
_saveaccountconf_mutable AZUREDNS_CLIENTSECRET "$AZUREDNS_CLIENTSECRET"
fi

accesstoken=$(_azure_getaccess_token "$AZUREDNS_MANAGEDIDENTITY" "$AZUREDNS_TENANTID" "$AZUREDNS_APPID" "$AZUREDNS_CLIENTSECRET")
accesstoken=$(_azure_getaccess_token "$AZUREDNS_MANAGEDIDENTITY" "$AZUREDNS_TENANTID" "$AZUREDNS_APPID" "$AZUREDNS_CLIENTSECRET" "$AZUREDNS_ARC")

if ! _get_root "$fulldomain" "$AZUREDNS_SUBSCRIPTIONID" "$accesstoken"; then
_err "invalid domain"
Expand Down Expand Up @@ -186,7 +186,7 @@ dns_azure_rm() {
fi
fi

accesstoken=$(_azure_getaccess_token "$AZUREDNS_MANAGEDIDENTITY" "$AZUREDNS_TENANTID" "$AZUREDNS_APPID" "$AZUREDNS_CLIENTSECRET")
accesstoken=$(_azure_getaccess_token "$AZUREDNS_MANAGEDIDENTITY" "$AZUREDNS_TENANTID" "$AZUREDNS_APPID" "$AZUREDNS_CLIENTSECRET", "$AZUREDNS_ARC")

if ! _get_root "$fulldomain" "$AZUREDNS_SUBSCRIPTIONID" "$accesstoken"; then
_err "invalid domain"
Expand Down Expand Up @@ -292,6 +292,7 @@ _azure_getaccess_token() {
tenantID=$2
clientID=$3
clientSecret=$4
arc=$5

accesstoken="${AZUREDNS_BEARERTOKEN:-$(_readaccountconf_mutable AZUREDNS_BEARERTOKEN)}"
expires_on="${AZUREDNS_TOKENVALIDTO:-$(_readaccountconf_mutable AZUREDNS_TOKENVALIDTO)}"
Expand All @@ -312,7 +313,17 @@ _azure_getaccess_token() {
if [ "$managedIdentity" = true ]; then
# https://docs.microsoft.com/en-us/azure/active-directory/managed-identities-azure-resources/how-to-use-vm-token#get-a-token-using-http
export _H1="Metadata: true"
response="$(_get http://169.254.169.254/metadata/identity/oauth2/token\?api-version=2018-02-01\&resource=https://management.azure.com/)"

if [ "$arc" = true ]; then
response="$(_get http://localhost:40342/metadata/identity/oauth2/token\?api-version=2019-08-15\&resource=https://management.azure.com/)"
CHALLANGE=$(cat "$HTTP_HEADER" | grep Www | sed 's/Www-Authenticate: Basic realm=//g' | sed 's/[^a-zA-Z0-9\/\.\-]//g')
_H2="Authorization: Basic $(cat "$CHALLANGE")"
export _H2
response="$(_get http://localhost:40342/metadata/identity/oauth2/token\?api-version=2019-08-15\&resource=https://management.azure.com/)"
else
response="$(_get http://169.254.169.254/metadata/identity/oauth2/token\?api-version=2018-02-01\&resource=https://management.azure.com/)"
fi

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 \")
Expand Down
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