websoft9/systemd/send_credentials.sh

#!/bin/bash

set -e

trap "sleep 1; continue" ERR

try_times=100
counter=1
portainer_username="admin"

copy_credential() {
    
    source_container=$1
    source_path=$2
    destination_container=$3
    destination_path=$4

    temp_file=$(mktemp)
    docker cp "$source_container:$source_path" "$temp_file"

    # Check if temp_file is JSON format
    if jq -e . >/dev/null 2>&1 <<< "$(cat "$temp_file")"; then
        # If it is JSON format, use it directly
        docker cp "$temp_file" "$destination_container:$destination_path"
    else
        # If it is not JSON format, get the content and convert it to JSON
        content=$(cat "$temp_file")
        json="{\"username\":\"$portainer_username\",\"password\":\"$content\"}"
        echo "$json" > "$temp_file"
        docker cp "$temp_file" "$destination_container:$destination_path"
    fi

    rm -f "$temp_file"

}

while true; do
    set +e
    
    sleep 3
    printf "Try to get credentials for %d times\n" "$counter"

    copy_credential "websoft9-git" "/var/websoft9/credential" "websoft9-apphub" "/websoft9/credentials/credential_git"
    copy_credential "websoft9-deployment" "/var/websoft9/credential" "websoft9-apphub" "/websoft9/credentials/credential_deployment"
    copy_credential "websoft9-proxy" "/var/websoft9/credential" "websoft9-apphub" "/websoft9/credentials/credential_proxy"

    if docker exec "websoft9-apphub" [ -f "/websoft9/credentials/credential_git" ] && \
       docker exec "websoft9-apphub" [ -f "/websoft9/credentials/credential_deployment" ] && \
       docker exec "websoft9-apphub" [ -f "/websoft9/credentials/credential_proxy" ]; then
        break
    else
        if [ $counter -gt $try_times ]; then
            printf "Systemd cannot get all credentials after executing %d times\n" "$try_times"
            break
        fi
    fi

    set -e

    counter=$((counter + 1))
done

tail -f /dev/null