new docker scripts, pull and heal.

2026-07-24 23:43:31 -04:00
parent aa0da565e1
commit 09dffc3933
3 changed files with 147 additions and 0 deletions
@@ -0,0 +1,73 @@
+#!/usr/bin/env bash
+
+# perform a "docker compose pull" on each location specified (recursively), or current location if none specified.
+#
+# will only search symbolic links when passed "-l" option, must be before any locations
+# will only search hidden directories when passed "-h" option, must be before any locations
+# pull-all.sh [-l][-h] # current location implied
+# pull-all.sh [-l][-h] ~/my-projects /var/group-projects
+
+# check for "-l" and "-h" in command prompt
+followLinks="-H"
+checkHidden="*/.*/*compose.yaml"
+while getopts "lh" option; do
+    case $option in
+        l)
+            followLinks="-L"
+            ;;
+        h)
+            checkHidden=""
+            ;;
+    esac
+done
+shift "$((OPTIND-1))"
+
+if [[ "-H" == "$followLinks" ]]; then
+    echo "use -l to follow symbolic links"
+fi
+
+if [[ -n "$checkHidden" ]]; then
+    echo "use -h to check hidden directories"
+fi
+
+# function to process each location
+function process_docker_pull () {
+    startedIn=`pwd`
+    location=$(realpath $(dirname "$@"))
+    line="--- --- --- --- --- --- --- --- ---"
+    # use "--" to tell printf there are no more commands, only strings to print
+    printf -- "--- docker compose pull %s %s ---\n" "$location" "${line:${#location}}"
+    cd "$location"
+
+    # populate $runningServices[]
+    mapfile -t runningServices < <(
+        docker compose ps --services --status running
+    )
+
+    quietDocker=$(docker compose pull --ignore-buildable --ignore-pull-failures)
+
+    if docker compose up -d --dry-run | grep -q "Recreate"; then
+        # Only restart services that were already running
+        if ((${#runningServices[@]} > 0)); then
+            echo "restarting the following services: ${runningServices[@]}"
+            quietDocker=$(docker compose up -d "${runningServices[@]}")
+        else
+            echo "updates downloaded, no services were running"
+        fi
+    else
+        messageSuffix=""
+        if ((${#runningServices[@]} > 0)); then
+            messageSuffix=", services already current: ${runningServices[@]}"
+        fi
+        echo "no changes detected$messageSuffix"
+    fi
+
+    cd "$startedIn"
+}
+
+# find all folders named ".git" under given locations,
+# and call process_git_pull on each location that was found.
+# we then work on the folder that contained the ".git" folder.
+
+find "$followLinks" "$@" -type f \( -name 'compose.yaml' -o -name 'docker-compose.yaml' \) -not -path "$checkHidden" | sort | while read -r file; do process_docker_pull "$file"; done
+