added new scripts
This commit is contained in:
DeSqBlocki
@@ -0,0 +1,440 @@
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#!/bin/bash
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# /usr/lib/check_mk_agent/local/300/check_npm
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set -u
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CONFIG="/etc/check_mk/npm.conf"
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OK=0
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WARN=1
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CRIT=2
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UNKNOWN=3
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#
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# ---------------------------------------------------------------------------
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# Configuration
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# ---------------------------------------------------------------------------
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#
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if [[ ! -r "$CONFIG" ]]; then
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printf '%s\n' \
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"${UNKNOWN} \"Nginx Proxy Manager\" - Configuration file ${CONFIG} missing or unreadable"
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exit 0
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fi
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# shellcheck disable=SC1090
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source "$CONFIG"
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NPM_URL="${NPM_URL:-http://127.0.0.1:81}"
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NPM_IDENTITY="${NPM_IDENTITY:-}"
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NPM_SECRET="${NPM_SECRET:-}"
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CHECK_UPDATES="${CHECK_UPDATES:-yes}"
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NPM_RELEASE_API="${NPM_RELEASE_API:-https://api.github.com/repos/NginxProxyManager/nginx-proxy-manager/releases/latest}"
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#
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# ---------------------------------------------------------------------------
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# Requirements
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# ---------------------------------------------------------------------------
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#
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if ! command -v curl >/dev/null 2>&1; then
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printf '%s\n' \
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"${UNKNOWN} \"Nginx Proxy Manager\" - curl is not installed"
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exit 0
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fi
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if ! command -v jq >/dev/null 2>&1; then
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printf '%s\n' \
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"${UNKNOWN} \"Nginx Proxy Manager\" - jq is not installed"
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exit 0
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fi
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if [[ -z "$NPM_IDENTITY" || -z "$NPM_SECRET" ]]; then
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printf '%s\n' \
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"${UNKNOWN} \"Nginx Proxy Manager\" - NPM_IDENTITY or NPM_SECRET is not configured"
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exit 0
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fi
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#
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# ---------------------------------------------------------------------------
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# curl configuration
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# ---------------------------------------------------------------------------
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#
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CURL_OPTS=(
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--silent
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--show-error
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--fail
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--connect-timeout 3
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--max-time 10
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)
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#
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# ---------------------------------------------------------------------------
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# Public API health / installed version
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# ---------------------------------------------------------------------------
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#
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STATUS_RESPONSE="$(
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curl \
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"${CURL_OPTS[@]}" \
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"${NPM_URL%/}/api/" \
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2>/dev/null
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)"
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STATUS_RC=$?
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if [[ $STATUS_RC -ne 0 || -z "$STATUS_RESPONSE" ]]; then
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printf '%s\n' \
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"${CRIT} \"Nginx Proxy Manager\" - API unavailable at ${NPM_URL}"
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exit 0
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fi
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if ! printf '%s' "$STATUS_RESPONSE" |
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jq -e 'type == "object"' >/dev/null 2>&1
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then
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printf '%s\n' \
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"${UNKNOWN} \"Nginx Proxy Manager\" - Public API returned unexpected data"
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exit 0
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fi
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API_STATUS="$(
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printf '%s' "$STATUS_RESPONSE" |
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jq -r '.status // empty'
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)"
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SETUP_COMPLETE="$(
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printf '%s' "$STATUS_RESPONSE" |
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jq -r '.setup // false'
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)"
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VERSION_MAJOR="$(
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printf '%s' "$STATUS_RESPONSE" |
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jq -r '.version.major // empty'
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)"
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VERSION_MINOR="$(
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printf '%s' "$STATUS_RESPONSE" |
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jq -r '.version.minor // empty'
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)"
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VERSION_REVISION="$(
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printf '%s' "$STATUS_RESPONSE" |
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jq -r '.version.revision // empty'
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)"
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INSTALLED_VERSION=""
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if [[ -n "$VERSION_MAJOR" && -n "$VERSION_MINOR" && -n "$VERSION_REVISION" ]]; then
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INSTALLED_VERSION="${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_REVISION}"
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fi
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if [[ "$API_STATUS" != "OK" ]]; then
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printf '%s\n' \
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"${CRIT} \"Nginx Proxy Manager\" - API responded with status ${API_STATUS:-unknown}"
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exit 0
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fi
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if [[ "$SETUP_COMPLETE" != "true" ]]; then
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printf '%s\n' \
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"${WARN} \"Nginx Proxy Manager\" - API reachable but initial setup is incomplete"
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else
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if [[ -n "$INSTALLED_VERSION" ]]; then
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printf '%s\n' \
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"${OK} \"Nginx Proxy Manager\" - API reachable, version ${INSTALLED_VERSION}"
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else
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printf '%s\n' \
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"${OK} \"Nginx Proxy Manager\" - API reachable"
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fi
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fi
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#
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# ---------------------------------------------------------------------------
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# Update check
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# ---------------------------------------------------------------------------
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#
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if [[ "$CHECK_UPDATES" == "yes" ]]; then
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RELEASE_RESPONSE="$(
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curl \
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"${CURL_OPTS[@]}" \
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-H "Accept: application/vnd.github+json" \
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-H "User-Agent: checkmk-npm-local-check" \
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"$NPM_RELEASE_API" \
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2>/dev/null
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)"
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RELEASE_RC=$?
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if [[ $RELEASE_RC -ne 0 || -z "$RELEASE_RESPONSE" ]]; then
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printf '%s\n' \
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"${UNKNOWN} \"NPM Update\" - Installed ${INSTALLED_VERSION:-unknown}, unable to query GitHub releases"
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elif ! printf '%s' "$RELEASE_RESPONSE" |
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jq -e 'type == "object"' >/dev/null 2>&1
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then
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printf '%s\n' \
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"${UNKNOWN} \"NPM Update\" - GitHub release API returned unexpected data"
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else
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LATEST_VERSION="$(
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printf '%s' "$RELEASE_RESPONSE" |
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jq -r '.tag_name // empty'
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)"
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LATEST_VERSION="${LATEST_VERSION#v}"
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if [[ -z "$LATEST_VERSION" ]]; then
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printf '%s\n' \
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"${UNKNOWN} \"NPM Update\" - Unable to determine latest release"
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elif [[ -z "$INSTALLED_VERSION" ]]; then
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printf '%s\n' \
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"${UNKNOWN} \"NPM Update\" - Latest ${LATEST_VERSION}, installed version unknown"
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else
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NEWEST="$(
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printf '%s\n%s\n' \
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"$INSTALLED_VERSION" \
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"$LATEST_VERSION" |
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sort -V |
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tail -n 1
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)"
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if [[ "$INSTALLED_VERSION" == "$LATEST_VERSION" ]]; then
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printf '%s\n' \
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"${OK} \"NPM Update\" - Current: installed ${INSTALLED_VERSION}, latest ${LATEST_VERSION}"
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elif [[ "$NEWEST" == "$LATEST_VERSION" ]]; then
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printf '%s\n' \
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"${WARN} \"NPM Update\" - Update available: installed ${INSTALLED_VERSION}, latest ${LATEST_VERSION}"
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else
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printf '%s\n' \
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"${OK} \"NPM Update\" - Installed ${INSTALLED_VERSION} is newer than latest ${LATEST_VERSION}"
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fi
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fi
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fi
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fi
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#
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# ---------------------------------------------------------------------------
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# Authentication
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# ---------------------------------------------------------------------------
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#
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LOGIN_PAYLOAD="$(
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jq -n \
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--arg identity "$NPM_IDENTITY" \
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--arg secret "$NPM_SECRET" \
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'{
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identity: $identity,
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secret: $secret
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}'
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)"
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TOKEN_RESPONSE="$(
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curl \
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"${CURL_OPTS[@]}" \
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-X POST \
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-H "Content-Type: application/json" \
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-d "$LOGIN_PAYLOAD" \
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"${NPM_URL%/}/api/tokens" \
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2>/dev/null
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)"
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TOKEN_RC=$?
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if [[ $TOKEN_RC -ne 0 || -z "$TOKEN_RESPONSE" ]]; then
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printf '%s\n' \
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"${CRIT} \"NPM Proxy Hosts\" - API reachable but authentication failed"
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exit 0
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fi
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if ! printf '%s' "$TOKEN_RESPONSE" |
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jq -e 'type == "object"' >/dev/null 2>&1
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then
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printf '%s\n' \
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"${UNKNOWN} \"NPM Proxy Hosts\" - Authentication API returned unexpected data"
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exit 0
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fi
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TOKEN="$(
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printf '%s' "$TOKEN_RESPONSE" |
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jq -r '.token // empty'
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)"
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TOKEN_EXPIRES="$(
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printf '%s' "$TOKEN_RESPONSE" |
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jq -r '.expires // empty'
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)"
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if [[ -z "$TOKEN" ]]; then
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printf '%s\n' \
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"${CRIT} \"NPM Proxy Hosts\" - Authentication response did not contain a token"
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exit 0
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fi
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#
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# ---------------------------------------------------------------------------
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# Proxy host inventory
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# ---------------------------------------------------------------------------
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#
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HOSTS_RESPONSE="$(
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curl \
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"${CURL_OPTS[@]}" \
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-H "Authorization: Bearer ${TOKEN}" \
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"${NPM_URL%/}/api/nginx/proxy-hosts" \
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2>/dev/null
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)"
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HOSTS_RC=$?
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if [[ $HOSTS_RC -ne 0 || -z "$HOSTS_RESPONSE" ]]; then
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printf '%s\n' \
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"${CRIT} \"NPM Proxy Hosts\" - Unable to retrieve proxy hosts"
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exit 0
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fi
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if ! printf '%s' "$HOSTS_RESPONSE" |
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jq -e 'type == "array"' >/dev/null 2>&1
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then
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printf '%s\n' \
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"${UNKNOWN} \"NPM Proxy Hosts\" - Proxy host API returned unexpected data"
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exit 0
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fi
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TOTAL_HOSTS="$(
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printf '%s' "$HOSTS_RESPONSE" |
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jq 'length'
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)"
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ENABLED_HOSTS="$(
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printf '%s' "$HOSTS_RESPONSE" |
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jq '[.[] | select(.enabled == true)] | length'
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)"
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DISABLED_HOSTS="$(
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printf '%s' "$HOSTS_RESPONSE" |
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jq '[.[] | select(.enabled != true)] | length'
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)"
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ONLINE_HOSTS="$(
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printf '%s' "$HOSTS_RESPONSE" |
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jq '
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[
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.[]
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| select(
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.enabled == true
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and
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(.meta.nginx_online == true)
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)
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]
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| length
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'
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)"
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ERROR_HOSTS="$(
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printf '%s' "$HOSTS_RESPONSE" |
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jq '
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[
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.[]
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| select(
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.enabled == true
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and
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(
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.meta.nginx_online != true
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or
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.meta.nginx_err != null
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)
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)
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]
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| length
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'
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)"
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#
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# ---------------------------------------------------------------------------
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# Broken host details
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# ---------------------------------------------------------------------------
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#
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ERROR_LIST="$(
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printf '%s' "$HOSTS_RESPONSE" |
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jq -r '
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.[]
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| select(
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.enabled == true
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and
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(
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.meta.nginx_online != true
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or
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.meta.nginx_err != null
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)
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)
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|
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(
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(.domain_names | join(","))
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+
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" -> "
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+
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(.forward_scheme // "http")
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+
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"://"
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+
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(.forward_host // "unknown")
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+
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":"
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+
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((.forward_port // 0) | tostring)
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+
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(
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if .meta.nginx_err != null
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then " (" + (.meta.nginx_err | tostring) + ")"
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else ""
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end
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)
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)
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' |
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paste -sd ';' -
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)"
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STATE=$OK
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if [[ "$ERROR_HOSTS" -gt 0 ]]; then
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STATE=$CRIT
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fi
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PERFDATA="total=${TOTAL_HOSTS};;;0|enabled=${ENABLED_HOSTS};;;0|disabled=${DISABLED_HOSTS};;;0|online=${ONLINE_HOSTS};;;0|errors=${ERROR_HOSTS};;;0"
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DETAILS="${ENABLED_HOSTS}/${TOTAL_HOSTS} enabled, ${ONLINE_HOSTS} online"
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if [[ "$DISABLED_HOSTS" -gt 0 ]]; then
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DETAILS="${DETAILS}, ${DISABLED_HOSTS} disabled"
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fi
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if [[ "$ERROR_HOSTS" -gt 0 ]]; then
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DETAILS="${DETAILS}, ${ERROR_HOSTS} with nginx errors"
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fi
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if [[ -n "$ERROR_LIST" ]]; then
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DETAILS="${DETAILS}: ${ERROR_LIST}"
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fi
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printf '%s\n' \
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"${STATE} \"NPM Proxy Hosts\" ${PERFDATA} ${DETAILS}"
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exit 0
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Reference in New Issue
Block a user