05-08-2024

update_container.sh

@@ -0,0 +1,42 @@
+#!/usr/bin/env bash
+set -e
+
+# Our function to update containers based on their base image
+update_container() {
+    local image=$1
+    docker pull $image
+    local updated_containers=0
+
+    # Loop through all running containers
+    for container in $(docker ps --format "{{.Names}}"); do
+        local container_image=$(docker inspect --format '{{.Config.Image}}' "$container")
+        
+        # We check if the current container's image matches the updated image
+        if [[ "$container_image" == "$image" ]]; then
+            local latest=$(docker inspect --format "{{.Id}}" $image)
+            local running=$(docker inspect --format "{{.Image}}" $container)
+
+            if [[ "$running" != "$latest" ]]; then
+                echo "Upgrading $container"
+                #docker rm -f $container
+               # docker run --name $container $image
+                ((updated_containers++))
+            fi
+        fi
+    done
+
+    if [[ $updated_containers -eq 0 ]]; then
+        echo "No containers updated for $image"
+    else
+        echo "$updated_containers container(s) updated for $image"
+    fi
+}
+
+# Our main script starts here
+# Check for updates to all images used by running containers
+for image in $(docker ps --format '{{.Image}}' | sort | uniq); do
+    echo "Checking updates for $image"
+    update_container $image
+done
+
+echo "Container update check complete."