From ce87e9a990007d18525d2cf0c00daec32d38556a Mon Sep 17 00:00:00 2001
From: Eric Renfro <psi-jack@linux-help.org>
Date: Tue, 31 Oct 2023 18:45:47 -0400
Subject: [PATCH] Updated linode to use new domain fact

---
 src/agents.d/update-dns-linode-v4 | 69 ++++++++++++-------------------
 1 file changed, 26 insertions(+), 43 deletions(-)

diff --git a/src/agents.d/update-dns-linode-v4 b/src/agents.d/update-dns-linode-v4
index 675e0b9..cd14286 100755
--- a/src/agents.d/update-dns-linode-v4
+++ b/src/agents.d/update-dns-linode-v4
@@ -17,9 +17,17 @@ if [[ -z "$agent_update_dns_linode_v4_token" ]]; then
     exit 99
 fi
 
-# Get Domain Name
+if [[ -z "$DIP_CUR_IP" ]] || [[ -z "$DIP_OLD_IP" ]] || [[ -z "$DIP_RECORD" ]] || [[ -z "$DIP_DOMAIN" ]]; then
+    logerr "ERROR: Agent expects currentip, existingip, record and domain."
+    exit 98
+else
+    DIP_RECORD="${DIP_RECORD%%."$DIP_DOMAIN"}"
+fi
 
-_update_dns_linode_v4_get_domain() {
+# Get Domain ID
+
+_update_dns_linode_v4_get_domain_id() {
+    local domain=$1
     local domain_id
     local response
     local page
@@ -37,45 +45,25 @@ _update_dns_linode_v4_get_domain() {
         page=$(echo "$response" | jq ".page")
         total_pages=$(echo "$response" | jq ".pages")
 
-        domain_id="$(sed -e 's/^"//' -e 's/"$//' <<<"$(echo "$response" | jq --arg domain "$DIP_RECORD" '.data[] | select(.domain==$domain).id')")"
+        # FIXME
+        domain_id="$(sed -e 's/^"//' -e 's/"$//' <<<"$(echo "$response" | jq --arg domain "$domain" '.data[] | select(.domain==$domain).id')")"
+
         if [[ -n "$domain_id" ]]
         then
-            _sub_domain=""
-            _domain=$DIP_RECORD
-            _domain_id=$domain_id
+            DIP_DOMAIN_ID=$domain_id
             return 0
         fi
 
-        while true
-        do
-            h=$(printf "%s" "$DIP_RECORD" | cut -d . -f $i-100)
-
-            if [[ -z "$h" ]]
-            then
-                return 1
-            fi
-
-            domain_id="$(sed -e 's/^"//' -e 's/"$//' <<<"$(echo "$response" | jq --arg domain "$h" '.data[] | select(.domain==$domain).id')")"
-
-            if [[ -n "$domain_id" ]]
-            then
-                _sub_domain=$(printf "%s" "$DIP_RECORD" | cut -d . -f-$p)
-                _domain=$h
-                _domain_id=$domain_id
-                return 0
-            fi
-            p=$i
-            (( i++ )) || true
-        done
-
         if [[ $page -ge $total_pages ]]
         then
             return 1
         fi
-    done <<< "$(curl --silent -X GET -H "Content-Type: application/json" -H "Authorization: Bearer $agent_update_dns_linode_v4_token" "https://api.linode.com/v4/domains/")"    
+    done <<< "$(curl --silent -X GET -H "Content-Type: application/json" -H "Authorization: Bearer $agent_update_dns_linode_v4_token" "https://api.linode.com/v4/domains/")"
     return 1
 }
 
+# Get Record ID
+
 _update_dns_linode_v4_get_record_id() {
     local domain=$1
     local dtype=$2
@@ -83,43 +71,36 @@ _update_dns_linode_v4_get_record_id() {
     local response
     local record_id
 
-    #if [[ "${#subdomain}" -gt "${#domain}" ]]; then
-    #    subdomain="${subdomain:0:${#subdomain}-${#domain}-1}"
-    #else
-    #    subdomain="@"
-    #fi
-
     response=$(curl \
         --silent \
         -X GET \
         -H "Content-Type: application/json" \
         -H "Authorization: Bearer $agent_update_dns_linode_v4_token" \
         "https://api.linode.com/v4/domains/$domain/records")
-    
-    #sed -e 's/^"//' -e 's/"$//' <<<"$(echo "$response" | jq ".domain_names[].name" )"
+
     record_id="$(echo "$response" | jq --arg subdomain "$subdomain" --arg dtype "$dtype" '.data[] | select(.name==$subdomain and .type==$dtype).id')"
 
     if [[ -z "$record_id" ]]
     then
         return 1
     else
-        _record_id=$record_id
+        DIP_RECORD_ID=$record_id
         return 0
     fi
 }
 
-if _update_dns_linode_v4_get_domain; then
+if _update_dns_linode_v4_get_domain_id "$DIP_DOMAIN"; then
     if valid_ipv4 "$DIP_CUR_IP"; then
         log "Updating Linode DNS IPv4 Record: ${DIP_RECORD} to ${DIP_CUR_IP}"
 
-        if _update_dns_linode_v4_get_record_id "$_domain_id" "A" "$_sub_domain"
+        if _update_dns_linode_v4_get_record_id "${DIP_DOMAIN_ID}" "A" "${DIP_RECORD}"
         then
             curl --silent \
                 -X PUT \
                 -H "Content-Type: application/json" \
                 -H "Authorization: Bearer $agent_update_dns_linode_v4_token" \
                 -d '{"target":"'$DIP_CUR_IP'"}' \
-                "https://api.linode.com/v4/domains/$_domain_id/records/$_record_id" > /dev/null;
+                "https://api.linode.com/v4/domains/${DIP_DOMAIN_ID}/records/${DIP_RECORD_ID}" > /dev/null;
         else
             logerr "WARN: No A record exists for $DIP_RECORD"
         fi
@@ -128,18 +109,20 @@ if _update_dns_linode_v4_get_domain; then
     if valid_ipv6 "$DIP_CUR_IP"; then
         log "Updating Linux DNS IPv6 Record: ${DIP_RECORD} to ${DIP_CUR_IP}"
 
-        if _update_dns_linode_v4_get_record_id "$_domain_id" "AAAA" "$_sub_domain"
+        if _update_dns_linode_v4_get_record_id "${DIP_DOMAIN_ID}" "AAAA" "${DIP_RECORD}"
         then
             curl --silent \
                 -X PUT \
                 -H "Content-Type: application/json" \
                 -H "Authorization: Bearer $agent_update_dns_linode_v4_token" \
                 -d '{"target":"'$DIP_CUR_IP'"}' \
-                "https://api.linode.com/v4/domains/$_domain_id/records/$_record_id" > /dev/null;
+                "https://api.linode.com/v4/domains/${DIP_DOMAIN_ID}/records/${DIP_RECORD_ID}" > /dev/null;
         else
             logerr "WARN: No AAAA record exists for $DIP_RECORD"
         fi
     fi
+    unset DIP_DOMAIN_ID
+    unset DIP_RECORD_ID
 else
     logerr "ERROR: Cannot find domain in Linode DNS API"
     exit 99