feat: add debug information and response headers to Portainer stack deployment

.gitea/workflows/deploy.yml

@@ -75,6 +75,8 @@ jobs:
           ')
 
           echo "Loaded $(printf '%s' "${ENV_JSON}" | jq 'length') env entries from ENV_VARS"
+          echo "ENV names preview:"
+          printf '%s' "${ENV_JSON}" | jq -r '.[0:10][]?.name' || true
           echo "Portainer base URL: ${PORTAINER_BASE_URL}"
           echo "Target stack: ${STACK_NAME}"
           echo "Endpoint id set: $([ -n "${PORTAINER_ENDPOINT_ID}" ] && echo yes || echo no)"
@@ -97,10 +99,12 @@ jobs:
           fi
 
           STACKS_BODY=$(mktemp)
+          STACKS_HEADERS=$(mktemp)
           STACKS_ERR=$(mktemp)
 
           STACKS_HTTP_CODE=$(curl -sS \
             --noproxy "*" \
+            -D "${STACKS_HEADERS}" \
             -o "${STACKS_BODY}" \
             -w "%{http_code}" \
             "${ACTIVE_PORTAINER_BASE_URL}/api/stacks" \
@@ -110,11 +114,14 @@ jobs:
 
           echo "GET /api/stacks curl exit: ${STACKS_CURL_EXIT}"
           echo "GET /api/stacks http code: ${STACKS_HTTP_CODE}"
+          echo "GET /api/stacks headers:"
+          cat "${STACKS_HEADERS}" || true
 
           if [ "${STACKS_CURL_EXIT}" -eq 6 ] && [ -n "${PORTAINER_IP:-}" ]; then
             echo "Retrying stack list with IP fallback due to DNS failure"
             STACKS_HTTP_CODE=$(curl -sS \
               --noproxy "*" \
+              -D "${STACKS_HEADERS}" \
               -o "${STACKS_BODY}" \
               -w "%{http_code}" \
               "${PORTAINER_IP_BASE_URL}/api/stacks" \
@@ -143,20 +150,27 @@ jobs:
           STACK_ID=$(jq -r --arg stack_name "${STACK_NAME}" '.[] | select(.Name == $stack_name) | .Id' "${STACKS_BODY}" | head -n 1)
 
           APPLY_BODY=$(mktemp)
+          APPLY_HEADERS=$(mktemp)
           APPLY_ERR=$(mktemp)
 
           if [ -n "${STACK_ID}" ]; then
             echo "Updating existing stack id=${STACK_ID}"
+            REQUEST_URL="${ACTIVE_PORTAINER_BASE_URL}/api/stacks/${STACK_ID}?endpointId=${PORTAINER_ENDPOINT_ID}"
             PAYLOAD=$(jq -n \
               --rawfile stack_file docker-compose.prod.yml \
               --argjson env_vars "${ENV_JSON}" \
               '{StackFileContent: $stack_file, Env: $env_vars, Prune: false, PullImage: true}')
 
+            echo "Apply request URL: ${REQUEST_URL}"
+            echo "Apply payload summary:"
+            printf '%s' "${PAYLOAD}" | jq -r '{stackFileLength: (.StackFileContent | length), envCount: (.Env | length), prune: .Prune, pullImage: .PullImage}' || true
+
             APPLY_HTTP_CODE=$(curl -sS -X PUT \
               --noproxy "*" \
+              -D "${APPLY_HEADERS}" \
               -o "${APPLY_BODY}" \
               -w "%{http_code}" \
-              "${ACTIVE_PORTAINER_BASE_URL}/api/stacks/${STACK_ID}?endpointId=${PORTAINER_ENDPOINT_ID}" \
+              "${REQUEST_URL}" \
               -H "X-API-Key: ${PORTAINER_API_KEY}" \
               -H "Content-Type: application/json" \
               -d "${PAYLOAD}" \
@@ -164,17 +178,23 @@ jobs:
             APPLY_CURL_EXIT=$?
           else
             echo "Creating new stack ${STACK_NAME}"
+            REQUEST_URL="${ACTIVE_PORTAINER_BASE_URL}/api/stacks/create/standalone/string?endpointId=${PORTAINER_ENDPOINT_ID}"
             PAYLOAD=$(jq -n \
               --arg name "${STACK_NAME}" \
               --rawfile stack_file docker-compose.prod.yml \
               --argjson env_vars "${ENV_JSON}" \
               '{Name: $name, StackFileContent: $stack_file, Env: $env_vars, FromAppTemplate: false}')
 
+            echo "Apply request URL: ${REQUEST_URL}"
+            echo "Apply payload summary:"
+            printf '%s' "${PAYLOAD}" | jq -r '{name: .Name, stackFileLength: (.StackFileContent | length), envCount: (.Env | length), fromAppTemplate: .FromAppTemplate}' || true
+
             APPLY_HTTP_CODE=$(curl -sS -X POST \
               --noproxy "*" \
+              -D "${APPLY_HEADERS}" \
               -o "${APPLY_BODY}" \
               -w "%{http_code}" \
-              "${ACTIVE_PORTAINER_BASE_URL}/api/stacks/create/standalone/string?endpointId=${PORTAINER_ENDPOINT_ID}" \
+              "${REQUEST_URL}" \
               -H "X-API-Key: ${PORTAINER_API_KEY}" \
               -H "Content-Type: application/json" \
               -d "${PAYLOAD}" \
@@ -184,6 +204,8 @@ jobs:
 
           echo "Apply curl exit: ${APPLY_CURL_EXIT}"
           echo "Apply http code: ${APPLY_HTTP_CODE}"
+          echo "Apply response headers:"
+          cat "${APPLY_HEADERS}" || true
 
           if [ "${APPLY_CURL_EXIT}" -ne 0 ]; then
             echo "Apply stderr:"
@@ -194,6 +216,24 @@ jobs:
           if [ "${APPLY_HTTP_CODE}" -lt 200 ] || [ "${APPLY_HTTP_CODE}" -ge 300 ]; then
             echo "Apply response body:"
             cat "${APPLY_BODY}" || true
+            echo "Apply response parsed as JSON (if possible):"
+            jq -r '.' "${APPLY_BODY}" 2>/dev/null || echo "<non-json or empty body>"
+
+            if [ ! -s "${APPLY_BODY}" ]; then
+              echo "Apply body is empty; retrying once with verbose curl for diagnostics"
+              curl -v -X "$( [ -n "${STACK_ID}" ] && echo PUT || echo POST )" \
+                --noproxy "*" \
+                -o /tmp/portainer-debug-body.txt \
+                "${REQUEST_URL}" \
+                -H "X-API-Key: ${PORTAINER_API_KEY}" \
+                -H "Content-Type: application/json" \
+                -d "${PAYLOAD}" \
+                2>/tmp/portainer-debug-stderr.txt || true
+              echo "Verbose retry stderr:"
+              cat /tmp/portainer-debug-stderr.txt || true
+              echo "Verbose retry body:"
+              cat /tmp/portainer-debug-body.txt || true
+            fi
             exit 1
           fi