feat: rename rails/ to tools/ and add service tool suites (#4)
Co-authored-by: Jason Woltje <jason@diversecanvas.com> Co-committed-by: Jason Woltje <jason@diversecanvas.com>
This commit was merged in pull request #4.
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183
tools/portainer/stack-logs.sh
Executable file
183
tools/portainer/stack-logs.sh
Executable file
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#!/usr/bin/env bash
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#
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# stack-logs.sh - Get logs for a stack service/container
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#
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# Usage: stack-logs.sh -n <stack-name> [-s service-name] [-t tail] [-f]
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#
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# Environment variables:
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# PORTAINER_URL - Portainer instance URL (e.g., https://portainer.example.com:9443)
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# PORTAINER_API_KEY - API access token
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#
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# Options:
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# -n name Stack name (required)
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# -s service Service/container name (optional - if omitted, lists available services)
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# -t tail Number of lines to show from the end (default: 100)
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# -f Follow log output (stream logs)
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# --timestamps Show timestamps
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# -h Show this help
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set -euo pipefail
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# Default values
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STACK_NAME=""
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SERVICE_NAME=""
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TAIL_LINES="100"
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FOLLOW=false
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TIMESTAMPS=false
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# Parse arguments
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while [[ $# -gt 0 ]]; do
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case $1 in
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-n) STACK_NAME="$2"; shift 2 ;;
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-s) SERVICE_NAME="$2"; shift 2 ;;
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-t) TAIL_LINES="$2"; shift 2 ;;
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-f) FOLLOW=true; shift ;;
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--timestamps) TIMESTAMPS=true; shift ;;
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-h|--help)
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head -20 "$0" | grep "^#" | sed 's/^# \?//'
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exit 0
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;;
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*)
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echo "Unknown option: $1" >&2
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echo "Usage: $0 -n <stack-name> [-s service-name] [-t tail] [-f]" >&2
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exit 1
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;;
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esac
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done
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# Validate environment
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if [[ -z "${PORTAINER_URL:-}" ]]; then
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echo "Error: PORTAINER_URL environment variable not set" >&2
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exit 1
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fi
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if [[ -z "${PORTAINER_API_KEY:-}" ]]; then
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echo "Error: PORTAINER_API_KEY environment variable not set" >&2
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exit 1
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fi
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if [[ -z "$STACK_NAME" ]]; then
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echo "Error: -n <stack-name> is required" >&2
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exit 1
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fi
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# Remove trailing slash from URL
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PORTAINER_URL="${PORTAINER_URL%/}"
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# Function to make API requests
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api_request() {
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local method="$1"
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local endpoint="$2"
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curl -s -w "\n%{http_code}" -X "$method" \
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-H "X-API-Key: ${PORTAINER_API_KEY}" \
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"${PORTAINER_URL}${endpoint}"
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}
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# Get stack info by name
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response=$(api_request GET "/api/stacks")
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http_code=$(echo "$response" | tail -n1)
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body=$(echo "$response" | sed '$d')
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if [[ "$http_code" != "200" ]]; then
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echo "Error: Failed to list stacks (HTTP $http_code)" >&2
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exit 1
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fi
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stack_info=$(echo "$body" | jq --arg name "$STACK_NAME" '.[] | select(.Name == $name)')
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if [[ -z "$stack_info" || "$stack_info" == "null" ]]; then
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echo "Error: Stack '$STACK_NAME' not found" >&2
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exit 1
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fi
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ENDPOINT_ID=$(echo "$stack_info" | jq -r '.EndpointId')
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# Get containers for this stack
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response=$(api_request GET "/api/endpoints/${ENDPOINT_ID}/docker/containers/json?all=true")
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http_code=$(echo "$response" | tail -n1)
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body=$(echo "$response" | sed '$d')
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if [[ "$http_code" != "200" ]]; then
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echo "Error: Failed to get containers (HTTP $http_code)" >&2
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exit 1
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fi
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# Filter containers belonging to this stack
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containers=$(echo "$body" | jq --arg name "$STACK_NAME" '[.[] | select(
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(.Labels["com.docker.compose.project"] == $name) or
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(.Labels["com.docker.stack.namespace"] == $name)
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)]')
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container_count=$(echo "$containers" | jq 'length')
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if [[ "$container_count" -eq 0 ]]; then
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echo "Error: No containers found for stack '$STACK_NAME'" >&2
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exit 1
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fi
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# If no service specified, list available services
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if [[ -z "$SERVICE_NAME" ]]; then
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echo "Available services in stack '$STACK_NAME':"
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echo ""
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echo "$containers" | jq -r '.[] |
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(.Labels["com.docker.compose.service"] // .Labels["com.docker.swarm.service.name"] // .Names[0]) as $svc |
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"\(.Names[0] | ltrimstr("/")) (\($svc // "unknown"))"'
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echo ""
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echo "Use -s <service-name> to view logs for a specific service."
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exit 0
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fi
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# Find container matching service name
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# Match against service label or container name
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container=$(echo "$containers" | jq --arg svc "$SERVICE_NAME" 'first(.[] | select(
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(.Labels["com.docker.compose.service"] == $svc) or
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(.Labels["com.docker.swarm.service.name"] == $svc) or
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(.Names[] | contains($svc))
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))')
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if [[ -z "$container" || "$container" == "null" ]]; then
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echo "Error: Service '$SERVICE_NAME' not found in stack '$STACK_NAME'" >&2
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echo ""
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echo "Available services:"
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echo "$containers" | jq -r '.[] |
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.Labels["com.docker.compose.service"] // .Labels["com.docker.swarm.service.name"] // .Names[0]'
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exit 1
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fi
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CONTAINER_ID=$(echo "$container" | jq -r '.Id')
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CONTAINER_NAME=$(echo "$container" | jq -r '.Names[0]' | sed 's/^\///')
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echo "Fetching logs for: $CONTAINER_NAME"
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echo "Container ID: ${CONTAINER_ID:0:12}"
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echo "---"
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# Build query parameters
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params="stdout=true&stderr=true&tail=${TAIL_LINES}"
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if [[ "$TIMESTAMPS" == "true" ]]; then
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params="${params}×tamps=true"
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fi
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if [[ "$FOLLOW" == "true" ]]; then
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params="${params}&follow=true"
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fi
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# Get logs
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# Note: Docker API returns raw log stream, not JSON
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if [[ "$FOLLOW" == "true" ]]; then
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# Stream logs
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curl -s -N \
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-H "X-API-Key: ${PORTAINER_API_KEY}" \
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"${PORTAINER_URL}/api/endpoints/${ENDPOINT_ID}/docker/containers/${CONTAINER_ID}/logs?${params}" | \
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# Docker log format has 8-byte header per line, strip it
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while IFS= read -r line; do
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# Remove docker stream header (first 8 bytes per chunk)
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echo "$line" | cut -c9-
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done
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else
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# Get logs (non-streaming)
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curl -s \
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-H "X-API-Key: ${PORTAINER_API_KEY}" \
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"${PORTAINER_URL}/api/endpoints/${ENDPOINT_ID}/docker/containers/${CONTAINER_ID}/logs?${params}" | \
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# Docker log format has 8-byte header per line, attempt to strip it
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sed 's/^.\{8\}//' 2>/dev/null || cat
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fi
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