[EDIT] Custom postgres_exporter - Bypass some check

cmd/postgres_exporter/postgres_exporter.go

@@ -1386,12 +1386,14 @@ func queryNamespaceMappings(ch chan<- prometheus.Metric, server *Server) map[str
 // Check and update the exporters query maps if the version has changed.
 func (e *Exporter) checkMapVersions(ch chan<- prometheus.Metric, server *Server) error {
 	log.Debugf("Querying Postgres Version on %q", server)
-	versionRow := server.db.QueryRow("SELECT version();")
+	// versionRow := server.db.QueryRow("SELECT version();")
 	var versionString string
-	err := versionRow.Scan(&versionString)
-	if err != nil {
-		return fmt.Errorf("Error scanning version string on %q: %v", server, err)
-	}
+	// err := versionRow.Scan(&versionString)
+	// if err != nil {
+	// 	return fmt.Errorf("Error scanning version string on %q: %v", server, err)
+	// }
+	// Ignore query "SELECT version();" to bypass 'versionRow' and 'err' variable above - https://github.com/nmtien96
+	versionString = "PostgreSQL 12.0.0 . This is fake postgres version to bypass 'versionRow' and 'err' variable above."
 	semanticVersion, err := parseVersion(versionString)
 	if err != nil {
 		return fmt.Errorf("Error parsing version string on %q: %v", server, err)

gh-assets-clone.sh

@@ -1,18 +1,18 @@
-#!/bin/bash
-# Script to setup the assets clone of the repository using GIT_ASSETS_BRANCH and
-# GIT_API_KEY.
-
-[ ! -z "$GIT_ASSETS_BRANCH" ] || exit 1
-
-setup_git() {
-  git config --global user.email "travis@travis-ci.org" || exit 1
-  git config --global user.name "Travis CI" || exit 1
-}
-
-# Constants
-ASSETS_DIR=".assets-branch"
-
-# Clone the assets branch with the correct credentials
-git clone --single-branch -b "$GIT_ASSETS_BRANCH" \
-    "https://${GIT_API_KEY}@github.com/${TRAVIS_REPO_SLUG}.git" "$ASSETS_DIR" || exit 1
-
+#!/bin/bash
+# Script to setup the assets clone of the repository using GIT_ASSETS_BRANCH and
+# GIT_API_KEY.
+
+[ ! -z "$GIT_ASSETS_BRANCH" ] || exit 1
+
+setup_git() {
+  git config --global user.email "travis@travis-ci.org" || exit 1
+  git config --global user.name "Travis CI" || exit 1
+}
+
+# Constants
+ASSETS_DIR=".assets-branch"
+
+# Clone the assets branch with the correct credentials
+git clone --single-branch -b "$GIT_ASSETS_BRANCH" \
+    "https://${GIT_API_KEY}@github.com/${TRAVIS_REPO_SLUG}.git" "$ASSETS_DIR" || exit 1
+