Add docker-apt-http-lxcs.sh

docker-apt-http-lxcs.sh

@@ -0,0 +1,88 @@
+#!/usr/bin/env bash
+
+set -u
+
+echo
+echo "=============================================="
+echo " Docker APT Repo HTTPS -> HTTP LXC Converter"
+echo "=============================================="
+echo
+
+for CTID in $(pct list | awk 'NR>1 {print $1}'); do
+
+    STATUS=$(pct status "$CTID" 2>/dev/null | awk '{print $2}')
+    NAME=$(pct config "$CTID" 2>/dev/null | awk -F': ' '/^hostname:/ {print $2}')
+
+    echo "----------------------------------------------"
+    echo "Container: $CTID${NAME:+ ($NAME)}"
+    echo "Status:    $STATUS"
+
+    if [[ "$STATUS" != "running" ]]; then
+        echo "SKIP: Container is not running."
+        continue
+    fi
+
+    OS_ID=$(pct exec "$CTID" -- sh -c \
+        '. /etc/os-release 2>/dev/null && echo "$ID"' \
+        2>/dev/null || true)
+
+    if [[ "$OS_ID" != "debian" ]]; then
+        echo "SKIP: Not Debian."
+        continue
+    fi
+
+    MATCHES=$(pct exec "$CTID" -- sh -c '
+        grep -RIl \
+            "https://download\.docker\.com" \
+            /etc/apt/sources.list \
+            /etc/apt/sources.list.d \
+            2>/dev/null || true
+    ')
+
+    if [[ -z "$MATCHES" ]]; then
+        echo "OK: No HTTPS Docker APT repo found."
+        continue
+    fi
+
+    echo "Found Docker repo in:"
+
+    while IFS= read -r FILE; do
+        [[ -z "$FILE" ]] && continue
+
+        echo "  $FILE"
+
+        BACKUP="${FILE}.bak-$(date +%Y%m%d-%H%M%S)"
+
+        pct exec "$CTID" -- sh -c "
+            cp '$FILE' '$BACKUP' &&
+            sed -i \
+                's|https://download\.docker\.com|http://download.docker.com|g' \
+                '$FILE'
+        "
+
+        if [[ $? -eq 0 ]]; then
+            echo "  CHANGED: https -> http"
+            echo "  Backup:  $BACKUP"
+        else
+            echo "  ERROR: Failed to modify $FILE"
+        fi
+
+    done <<< "$MATCHES"
+
+    echo
+    echo "Current Docker repo entries:"
+
+    pct exec "$CTID" -- sh -c '
+        grep -RHn \
+            "download\.docker\.com" \
+            /etc/apt/sources.list \
+            /etc/apt/sources.list.d \
+            2>/dev/null || true
+    '
+
+    echo
+done
+
+echo "=============================================="
+echo " Finished"
+echo "=============================================="