Add portainer skill for stack management via API
- 11 scripts for stack lifecycle (start/stop/restart, update, prune) - Detailed documentation with usage examples and workflow - Updated README.md files with portainer skill info
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Luke
140
skills/portainer/scripts/prune-stack-images.sh
Executable file
140
skills/portainer/scripts/prune-stack-images.sh
Executable file
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#!/usr/bin/env bash
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set -euo pipefail
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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CONFIG_PATH="/home/node/.openclaw/workspace/.clawdbot/credentials/portainer/config.json"
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err() {
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echo "Error: $*" >&2
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exit 1
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}
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require_cmd() {
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command -v "$1" >/dev/null 2>&1 || err "Required command not found: $1"
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}
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usage() {
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cat >&2 <<'EOF'
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Usage: prune-stack-images.sh "<stack-name>"
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Removes unused images that were previously associated with a stack.
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Run this after an update-stack --pull completes to clean up old image versions.
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Requires config at:
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/home/node/.openclaw/workspace/.clawdbot/credentials/portainer/config.json
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EOF
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exit 2
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}
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[[ $# -eq 1 ]] || usage
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STACK_NAME="$1"
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require_cmd curl
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require_cmd jq
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[[ -f "$CONFIG_PATH" ]] || err "Missing config file: $CONFIG_PATH"
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BASE_URL="$(jq -r '.base_url // empty' "$CONFIG_PATH")"
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API_KEY="$(jq -r '.api_key // empty' "$CONFIG_PATH")"
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[[ -n "$BASE_URL" ]] || err "config.base_url is missing"
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[[ -n "$API_KEY" ]] || err "config.api_key is missing"
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BASE_URL="${BASE_URL%/}"
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# Resolve stack ID from name
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STACK_ID="$(bash "$SCRIPT_DIR/get-stack-id.sh" "$STACK_NAME")"
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[[ -n "$STACK_ID" ]] || err "Failed to resolve stack ID for: $STACK_NAME"
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# Get stack info for EndpointId
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STACK_INFO="$(curl -sS -w $'\n%{http_code}' \
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-H "X-API-Key: $API_KEY" \
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"$BASE_URL/api/stacks/$STACK_ID")"
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http_code="$(printf '%s' "$STACK_INFO" | tail -n1)"
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body="$(printf '%s' "$STACK_INFO" | sed '$d')"
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if [[ "$http_code" -lt 200 || "$http_code" -ge 300 ]]; then
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msg="$(printf '%s' "$body" | jq -r '.message // empty' 2>/dev/null || true)"
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[[ -n "$msg" ]] || msg="$body"
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err "Failed to fetch stack info (HTTP $http_code): $msg"
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fi
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ENDPOINT_ID="$(printf '%s' "$body" | jq -r '.EndpointId')"
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[[ -n "$ENDPOINT_ID" && "$ENDPOINT_ID" != "null" ]] || err "Could not determine endpoint ID for stack"
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# Get images currently in use by this stack's containers
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FILTERS="$(jq -n --arg project "$STACK_NAME" '{"label": ["com.docker.compose.project=\($project)"]}')"
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CONTAINERS_RESPONSE="$(curl -sS -w $'\n%{http_code}' \
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-H "X-API-Key: $API_KEY" \
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-G \
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--data-urlencode "all=1" \
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--data-urlencode "filters=$FILTERS" \
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"$BASE_URL/api/endpoints/$ENDPOINT_ID/docker/containers/json")"
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containers_http_code="$(printf '%s' "$CONTAINERS_RESPONSE" | tail -n1)"
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containers_body="$(printf '%s' "$CONTAINERS_RESPONSE" | sed '$d')"
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if [[ "$containers_http_code" -lt 200 || "$containers_http_code" -ge 300 ]]; then
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err "Failed to fetch containers (HTTP $containers_http_code)"
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fi
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# Extract image names/repoTags used by current containers
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CURRENT_IMAGES="$(printf '%s' "$containers_body" | jq -r '.[].Image' | sort -u)"
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if [[ -z "$CURRENT_IMAGES" ]]; then
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echo "No containers found for stack '$STACK_NAME'"
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exit 0
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fi
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echo "Current images in use by stack '$STACK_NAME':"
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echo "$CURRENT_IMAGES" | while read -r img; do echo " - $img"; done
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# Get all images on the endpoint
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IMAGES_RESPONSE="$(curl -sS -w $'\n%{http_code}' \
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-H "X-API-Key: $API_KEY" \
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"$BASE_URL/api/endpoints/$ENDPOINT_ID/docker/images/json?all=false")"
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images_http_code="$(printf '%s' "$IMAGES_RESPONSE" | tail -n1)"
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images_body="$(printf '%s' "$IMAGES_RESPONSE" | sed '$d')"
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if [[ "$images_http_code" -lt 200 || "$images_http_code" -ge 300 ]]; then
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err "Failed to fetch images (HTTP $images_http_code)"
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fi
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# Find dangling images (no RepoTags or only <none>)
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DANGLING="$(printf '%s' "$images_body" | jq -r '.[] | select(.RepoTags == null or (.RepoTags | length == 0) or (.RepoTags[0] | startswith("<none>"))) | .Id')"
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if [[ -z "$DANGLING" ]]; then
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echo "No dangling images found"
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exit 0
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fi
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echo ""
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echo "Dangling images found:"
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echo "$DANGLING" | while read -r img; do echo " - $img"; done
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# Remove dangling images
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echo ""
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echo "Removing dangling images..."
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for IMAGE_ID in $DANGLING; do
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DELETE_RESPONSE="$(curl -sS -w $'\n%{http_code}' -X DELETE \
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-H "X-API-Key: $API_KEY" \
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"$BASE_URL/api/endpoints/$ENDPOINT_ID/docker/images/$IMAGE_ID?force=false")"
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delete_http_code="$(printf '%s' "$DELETE_RESPONSE" | tail -n1)"
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delete_body="$(printf '%s' "$DELETE_RESPONSE" | sed '$d')"
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if [[ "$delete_http_code" -ge 200 && "$delete_http_code" -lt 300 ]]; then
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echo "Removed: $IMAGE_ID"
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else
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msg="$(printf '%s' "$delete_body" | jq -r '.message // empty' 2>/dev/null || true)"
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[[ -n "$msg" ]] || msg="$delete_body"
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echo "Warning: Could not remove $IMAGE_ID: $msg"
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fi
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done
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echo ""
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echo "Pruning complete"
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