Hadryan · January 29, 2023 19:55 · Dec 12, 2019
diff --git a/README.md b/README.md
@@ -0,0 +1,37 @@
+#  Docker containers logs clearing script
+
+```bash
+chmod +x ./clear_docker_container_logs.sh
+```
+
+## Usage
+
+```bash
+Usage: ../clear_docker_container_logs.sh [-c "<container>"]
+
+By default, logs for all containers are cleared.
+
+        -c "<container>" Specific container(s) name or docker-compose service(s) name
+```
+
+* Clear all docker logs
+
+```bash
+$ sudo ./clear_docker_container_logs.sh
+Clear logs for all containers
+```
+
+* Clear logs for nginx
+
+```bash
+$ sudo ./clear_docker_container_logs.sh -c "nginx"
+Clear logs for "nginx"
+```
+
+* Clear logs for nginx and app (not exist)
+
+```bash
+$ sudo ./clear_docker_container_logs.sh -c "nginx app"
+Clear logs for "nginx app"
+Container or service "app" does not exist.
+```
diff --git a/clear_docker_container_logs.sh b/clear_docker_container_logs.sh
@@ -0,0 +1,49 @@
+#!/bin/bash
+
+CLIST=""
+
+help()
+{
+    echo "Usage: $0 [-c \"<container>\"]"
+    echo ""
+    echo "By default, logs for all containers are cleared."
+    echo ""
+    echo -e "\t-c \"<container>\" Specific container(s) name or docker-compose service(s) name"
+    exit 1
+}
+
+if [ $# == 0 ]; then
+    echo "Clear logs for all containers"
+    CLIST="$(docker ps -aq)"
+elif [ "$1" == "--" ] || [[ "$1" =~ ^-$ ]] || ! [[ "$1" =~ ^- ]]; then
+        help
+else
+    while getopts "c:" opt; do
+        case $opt in
+            c) 
+                CNAMES+=("$OPTARG")
+                echo "Clear logs for \"$CNAMES\"" ;;
+            \?) help ;;
+        esac
+    done
+    shift $((OPTIND -1))
+    if ! [ "$1" == "" ]; then
+        help
+    fi
+fi
+
+for i in $CNAMES; do
+    CONTAINERS=$(docker ps -aq -f name=$i 2> /dev/null)
+    if [ "$CONTAINERS" == "" ]; then
+        CONTAINERS="$(docker-compose ps -aq $i 2> /dev/null)"
+        if [ -z $CONTAINERS ]; then
+            echo "Container or service \"$i\" does not exist."
+        fi
+    fi
+    CLIST+=$CONTAINERS$'\n'
+done
+
+for i in $CLIST; do
+    log=$(docker inspect -f '{{.LogPath}}' $i 2> /dev/null)
+    truncate -s 0 $log
+done