From bfe8965c061b9be8642a9892bbd9ee8b2df67f8b Mon Sep 17 00:00:00 2001
From: Gabriel Sancho <gabriel.sancho13@gmail.com>
Date: Sat, 28 Mar 2026 03:06:37 -0300
Subject: [PATCH] fix: enhance Portainer API interaction with DNS fallback and
 improved error handling

---
 .gitea/workflows/build.yml | 29 ++++++++++++++++++++++++++---
 1 file changed, 26 insertions(+), 3 deletions(-)

diff --git a/.gitea/workflows/build.yml b/.gitea/workflows/build.yml
index 0d27e4a..089e175 100644
--- a/.gitea/workflows/build.yml
+++ b/.gitea/workflows/build.yml
@@ -66,9 +66,17 @@ jobs:
           PORTAINER_HOST=$(printf '%s' "${PORTAINER_BASE_URL}" | sed -E 's#^[a-zA-Z]+://##; s#/.*$##; s/:.*$//')
           echo "Resolved host target: ${PORTAINER_HOST}"
 
+          PORTAINER_IP=""
+          ACTIVE_PORTAINER_BASE_URL="${PORTAINER_BASE_URL}"
+
           if command -v getent >/dev/null 2>&1; then
             echo "Host lookup (getent):"
             getent hosts "${PORTAINER_HOST}" || true
+            PORTAINER_IP=$(getent hosts "${PORTAINER_HOST}" | awk 'NR==1{print $1}')
+            if [ -n "${PORTAINER_IP}" ]; then
+              PORTAINER_IP_BASE_URL="${PORTAINER_BASE_URL/${PORTAINER_HOST}/${PORTAINER_IP}}"
+              echo "Portainer IP fallback URL: ${PORTAINER_IP_BASE_URL}"
+            fi
           fi
 
           STACKS_BODY=$(mktemp)
@@ -78,11 +86,26 @@ jobs:
             --noproxy "*" \
             -o "${STACKS_BODY}" \
             -w "%{http_code}" \
-            "${PORTAINER_BASE_URL}/api/stacks" \
+            "${ACTIVE_PORTAINER_BASE_URL}/api/stacks" \
             -H "X-API-Key: ${PORTAINER_API_KEY}" \
             2>"${STACKS_ERR}")
           STACKS_CURL_EXIT=$?
 
+          if [ "${STACKS_CURL_EXIT}" -eq 6 ] && [ -n "${PORTAINER_IP:-}" ]; then
+            echo "Retrying GET /api/stacks with IP fallback due to DNS failure"
+            STACKS_HTTP_CODE=$(curl -sS \
+              --noproxy "*" \
+              -o "${STACKS_BODY}" \
+              -w "%{http_code}" \
+              "${PORTAINER_IP_BASE_URL}/api/stacks" \
+              -H "X-API-Key: ${PORTAINER_API_KEY}" \
+              2>"${STACKS_ERR}")
+            STACKS_CURL_EXIT=$?
+            if [ "${STACKS_CURL_EXIT}" -eq 0 ]; then
+              ACTIVE_PORTAINER_BASE_URL="${PORTAINER_IP_BASE_URL}"
+            fi
+          fi
+
           echo "GET /api/stacks curl exit: ${STACKS_CURL_EXIT}"
           echo "GET /api/stacks http code: ${STACKS_HTTP_CODE}"
           echo "GET /api/stacks stderr:"
@@ -116,7 +139,7 @@ jobs:
               --noproxy "*" \
               -o "${APPLY_BODY}" \
               -w "%{http_code}" \
-              "${PORTAINER_BASE_URL}/api/stacks/${STACK_ID}?endpointId=${PORTAINER_ENDPOINT_ID}" \
+              "${ACTIVE_PORTAINER_BASE_URL}/api/stacks/${STACK_ID}?endpointId=${PORTAINER_ENDPOINT_ID}" \
               -H "X-API-Key: ${PORTAINER_API_KEY}" \
               -H "Content-Type: application/json" \
               -d "${PAYLOAD}" \
@@ -134,7 +157,7 @@ jobs:
               --noproxy "*" \
               -o "${APPLY_BODY}" \
               -w "%{http_code}" \
-              "${PORTAINER_BASE_URL}/api/stacks/create/standalone/string?endpointId=${PORTAINER_ENDPOINT_ID}" \
+              "${ACTIVE_PORTAINER_BASE_URL}/api/stacks/create/standalone/string?endpointId=${PORTAINER_ENDPOINT_ID}" \
               -H "X-API-Key: ${PORTAINER_API_KEY}" \
               -H "Content-Type: application/json" \
               -d "${PAYLOAD}" \