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368 lines
16 KiB
Bash
368 lines
16 KiB
Bash
#!/bin/bash
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# =============================================================================
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# update-gitops-status.sh
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#
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# Purpose:
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# Runs drift-check playbook and generates a JSON status snapshot for
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# gitops-status-server. This replaces Pushgateway metric updates with
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# richer JSON status suitable for Grafana visualization via Infinity DS.
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#
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# Flow:
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# 1. Execute ansible/playbooks/drift-check.yml (check mode, read-only)
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# 2. Capture exit code to determine sync status
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# 3. Parse playbook output to extract changed files
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# 4. Build structured JSON with metadata
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# 5. POST JSON to gitops-status-server API
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#
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# Usage:
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# ./update-gitops-status.sh
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#
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# Environment Variables:
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# GITOPS_STATUS_SERVER_URL - URL of gitops-status-server API
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# (default: http://gitops-status-server.observability-stack.svc.cluster.local:80)
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# REPO_NAME - Repository name (default: rsyslog)
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# SERVER_NAME - Server name (default: rsyslog-lab)
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#
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# Generated JSON Structure:
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# {
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# "repo": "rsyslog",
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# "server": "rsyslog-lab",
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# "sync_status": "SYNCED" or "OUT_OF_SYNC",
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# "drift_count": <number>,
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# "files": [{"name": "rsyslog.conf"}, {"name": "rsyslog.d/30-lab.conf"}],
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# "last_check": "2026-04-21T10:30:00Z"
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# }
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#
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# Exit Codes:
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# 0 - Success (JSON posted to gitops-status-server regardless of sync status)
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# 1 - Failure (playbook error, network error, JSON post failure, etc.)
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#
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# =============================================================================
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set -euo pipefail
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# ─────────────────────────────────────────────────────────────────────────────
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# Configuration
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# ─────────────────────────────────────────────────────────────────────────────
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GITOPS_STATUS_SERVER_URL="${GITOPS_STATUS_SERVER_URL:-http://gitops-status-server.observability-stack.svc.cluster.local:5000}"
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REPO_NAME="${REPO_NAME:-rsyslog}"
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SERVER_NAME="${SERVER_NAME:-rsyslog-lab}"
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INVENTORY_FILE="ansible/inventory/hosts.yml"
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PLAYBOOK="ansible/playbooks/drift-check.yml"
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MODE="${MODE:-drift-check}" # drift-check or post-deploy
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PLAYBOOK_LOG="" # Initialize to avoid unbound variable error
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echo "═══════════════════════════════════════════════════════════════════════════════"
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echo " GitOps Status Update"
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echo " Repository: $REPO_NAME | Server: $SERVER_NAME"
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echo " Target: $GITOPS_STATUS_SERVER_URL"
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echo " Mode: $MODE"
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echo "═══════════════════════════════════════════════════════════════════════════════"
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echo ""
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CHANGED_FILES=()
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DRIFT_COUNT=0
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SYNC_STATUS="SYNCED"
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# ─────────────────────────────────────────────────────────────────────────────────
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# MODE 1: post-deploy - Report what files were deployed from Git
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# ─────────────────────────────────────────────────────────────────────────────────
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if [ "$MODE" = "post-deploy" ]; then
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echo "Step 1/4: Analyzing Git changes (what was just deployed)..."
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# Check what files changed in the last commit in files/ directory
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if command -v git >/dev/null 2>&1 && [ -d .git ]; then
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# Get list of changed files in files/ directory from last commit
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CHANGED_FILE_PATHS=$(git diff-tree --no-commit-id --name-only -r HEAD -- files/ 2>/dev/null || echo "")
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if [ -n "$CHANGED_FILE_PATHS" ]; then
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echo " Files changed in last commit:"
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while IFS= read -r filepath; do
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if [ -n "$filepath" ]; then
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# Strip "files/" prefix to get the config file name
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filename="${filepath#files/}"
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# Skip if it's just "files/" (directory change)
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if [ "$filename" != "" ] && [ "$filename" != "files/" ]; then
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CHANGED_FILES+=("$filename")
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echo " - $filename"
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fi
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fi
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done <<< "$CHANGED_FILE_PATHS"
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DRIFT_COUNT=${#CHANGED_FILES[@]}
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else
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echo " No files changed in files/ directory"
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fi
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else
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echo " Git not available, cannot determine deployed files"
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fi
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# Always SYNCED after successful deploy
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SYNC_STATUS="SYNCED"
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echo " ✓ Status: SYNCED - files were deployed successfully"
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echo " Total deployed files: $DRIFT_COUNT"
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echo ""
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# ─────────────────────────────────────────────────────────────────────────────────
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# MODE 2: drift-check - Check for manual changes on server (drift detection)
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# ─────────────────────────────────────────────────────────────────────────────────
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else
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echo "Step 1/4: Running drift-check playbook..."
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# Capture playbook output to a temp file for parsing
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PLAYBOOK_LOG=$(mktemp)
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KEEP_LOG="${KEEP_PLAYBOOK_LOG:-false}"
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if [ "$KEEP_LOG" = "true" ]; then
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PLAYBOOK_LOG="./drift-check-output.log"
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echo " Playbook output will be saved to: $PLAYBOOK_LOG"
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fi
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# Set up cleanup trap (will be updated later with RESPONSE_BODY)
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trap "rm -f $PLAYBOOK_LOG" EXIT
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# Run playbook (no -v flag to avoid file descriptor exhaustion in containers)
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# Exit code: 0 = synced, non-zero = drift detected (expected)
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# Limit forks to 1 to reduce file descriptor usage
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set +e
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ANSIBLE_FORCE_COLOR=false \
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ANSIBLE_FORKS=1 \
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ansible-playbook \
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-i "$INVENTORY_FILE" \
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"$PLAYBOOK" \
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> "$PLAYBOOK_LOG" 2>&1
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DRIFT_RC=$?
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set -e
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# Show playbook output for debugging (compact)
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echo "Playbook output (last 25 lines):"
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cat "$PLAYBOOK_LOG" | tail -25
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echo ""
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echo "DEBUG: Full playbook output saved to: $PLAYBOOK_LOG"
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echo ""
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# ─────────────────────────────────────────────────────────────────────────────────
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# Step 2: Determine sync status and collect changed files
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# ─────────────────────────────────────────────────────────────────────────────────
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echo "Step 2/4: Analyzing drift detection results..."
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# Exit code 0 = synced (all tasks succeeded)
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# Exit code non-zero = drift detected (fail task was reached)
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if [ "$DRIFT_RC" -eq 0 ]; then
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SYNC_STATUS="SYNCED"
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echo " ✓ Status: SYNCED - server configuration matches Git"
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else
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SYNC_STATUS="OUT_OF_SYNC"
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echo " ✗ Status: OUT OF SYNC - configuration drift detected"
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fi
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# Extract structured drifted files from playbook output
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# The drift-check.yml playbook outputs: DRIFTED_FILES=file1,file2,file3
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echo " DEBUG: Searching for DRIFTED_FILES in playbook output..."
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if grep -q "DRIFTED_FILES=" "$PLAYBOOK_LOG"; then
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echo " DEBUG: Found DRIFTED_FILES pattern"
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DRIFTED_FILES_LINE=$(grep "DRIFTED_FILES=" "$PLAYBOOK_LOG" | tail -1)
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echo " DEBUG: Raw line: $DRIFTED_FILES_LINE"
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# Extract value after DRIFTED_FILES= (handles both YAML and default callback formats)
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# Format: "msg: DRIFTED_FILES=file1,file2" or "DRIFTED_FILES=file1,file2"
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DRIFTED_FILES_STR=$(echo "$DRIFTED_FILES_LINE" | sed 's/.*DRIFTED_FILES=//' | sed 's/^[[:space:]]*//' | sed 's/[[:space:]]*$//' | tr -d '"')
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echo " DEBUG: Extracted value: '$DRIFTED_FILES_STR'"
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# Check if the value is an empty list ([] or empty string)
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if [ -n "$DRIFTED_FILES_STR" ] && [ "$DRIFTED_FILES_STR" != "[]" ] && [ "$DRIFTED_FILES_STR" != "" ]; then
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# Parse comma-separated list into array
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IFS=',' read -ra CHANGED_FILES <<<"$DRIFTED_FILES_STR"
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echo " DEBUG: Parsed ${#CHANGED_FILES[@]} files"
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# Clean up whitespace and normalize paths
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for i in "${!CHANGED_FILES[@]}"; do
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CHANGED_FILES[$i]=$(echo "${CHANGED_FILES[$i]}" | xargs)
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# Convert full paths to relative paths for cleaner output
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if [[ "${CHANGED_FILES[$i]}" == /etc/rsyslog.conf ]]; then
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CHANGED_FILES[$i]="rsyslog.conf"
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elif [[ "${CHANGED_FILES[$i]}" == /etc/rsyslog.d/* ]]; then
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CHANGED_FILES[$i]=$(echo "${CHANGED_FILES[$i]}" | sed 's|^/etc/||')
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fi
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if [ "$SYNC_STATUS" = "OUT_OF_SYNC" ]; then
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echo " - Drift detected in: ${CHANGED_FILES[$i]}"
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fi
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done
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DRIFT_COUNT=${#CHANGED_FILES[@]}
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else
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echo " DEBUG: DRIFTED_FILES is empty or []"
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fi
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else
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echo " DEBUG: DRIFTED_FILES not found in playbook output"
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fi
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# Additional validation: If OUT_OF_SYNC but no files found, show warning
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if [ "$SYNC_STATUS" = "OUT_OF_SYNC" ] && [ "$DRIFT_COUNT" -eq 0 ]; then
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echo " ⚠️ WARNING: Status is OUT_OF_SYNC but no drifted files were extracted"
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echo " ⚠️ This might indicate a parsing issue. Check the playbook output above."
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fi
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echo " Total drift count: $DRIFT_COUNT"
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echo ""
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fi
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# ─────────────────────────────────────────────────────────────────────────────────
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# Step 3: Build JSON payload
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# ─────────────────────────────────────────────────────────────────────────────────
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echo "Step 3/4: Building JSON payload..."
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# Convert files array to JSON
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FILES_JSON="[]"
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if [ ${#CHANGED_FILES[@]} -gt 0 ]; then
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FILES_JSON="["
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for i in "${!CHANGED_FILES[@]}"; do
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if [ "$i" -gt 0 ]; then
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FILES_JSON+=","
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fi
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# Escape special characters in filenames for JSON
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escaped_name="${CHANGED_FILES[$i]//\\/\\\\}"
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escaped_name="${escaped_name//\"/\\\"}"
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FILES_JSON+="{\"name\":\"$escaped_name\"}"
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done
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FILES_JSON+="]"
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fi
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# Generate ISO 8601 timestamp
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TIMESTAMP=$(date -u +'%Y-%m-%dT%H:%M:%SZ')
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# Build complete JSON status
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STATUS_JSON=$(cat <<EOF
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{
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"repo": "$REPO_NAME",
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"server": "$SERVER_NAME",
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"sync_status": "$SYNC_STATUS",
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"drift_count": $DRIFT_COUNT,
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"files": $FILES_JSON,
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"last_check": "$TIMESTAMP"
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}
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EOF
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)
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echo " Generated JSON:"
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echo "$STATUS_JSON" | jq '.' 2>/dev/null || echo "$STATUS_JSON"
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echo ""
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# ─────────────────────────────────────────────────────────────────────────────────
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# Step 4: Send JSON to gitops-status-server
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# ─────────────────────────────────────────────────────────────────────────────────
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echo "Step 4/4: Sending status to gitops-status-server..."
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echo " URL: $GITOPS_STATUS_SERVER_URL/api/status"
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echo " Method: POST"
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echo " Request Payload:"
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echo "$STATUS_JSON" | jq '.' 2>/dev/null | sed 's/^/ /' || echo "$STATUS_JSON" | sed 's/^/ /'
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echo ""
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echo "Step 4/4: Sending status to gitops-status-server..."
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echo " URL: $GITOPS_STATUS_SERVER_URL/api/status"
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echo " Method: POST"
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echo " Payload size: $(echo "$STATUS_JSON" | wc -c) bytes"
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echo ""
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echo " ========== JSON PAYLOAD BEING SENT =========="
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echo "$STATUS_JSON" | jq '.' 2>/dev/null || echo "$STATUS_JSON"
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echo " =========================================="
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echo ""
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# Test connectivity first
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echo " Testing connectivity to gitops-status-server..."
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if ! curl -s -m 5 "$GITOPS_STATUS_SERVER_URL/health" > /dev/null 2>&1; then
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echo " ✗ WARNING: Cannot reach $GITOPS_STATUS_SERVER_URL/health"
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echo " Attempting DNS resolution..."
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nslookup gitops-status-server.observability-stack.svc.cluster.local || true
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echo ""
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else
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echo " ✓ Server is reachable"
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fi
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echo ""
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# Create temporary files for response
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RESPONSE_BODY=$(mktemp)
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trap "rm -f $RESPONSE_BODY $PLAYBOOK_LOG" EXIT
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echo " Sending POST request with curl..."
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echo " Command: curl -X POST -H 'Content-Type: application/json' -d '<JSON>' $GITOPS_STATUS_SERVER_URL/api/status"
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echo ""
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# POST the JSON to the gitops-status-server API with full error reporting
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# Capture both response code and body for debugging
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set +e
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HTTP_RESPONSE=$(curl -s -w "\n%{http_code}" \
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-X POST \
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-H "Content-Type: application/json" \
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-d "$STATUS_JSON" \
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"$GITOPS_STATUS_SERVER_URL/api/status" \
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2>&1)
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CURL_EXIT=$?
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set -e
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if [ $CURL_EXIT -ne 0 ]; then
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echo " ✗ CURL FAILED with exit code $CURL_EXIT"
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echo " Error output: $HTTP_RESPONSE"
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exit 1
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fi
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# Split response: body is everything except last line, code is last line
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HTTP_CODE=$(echo "$HTTP_RESPONSE" | tail -1)
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RESPONSE_CONTENT=$(echo "$HTTP_RESPONSE" | head -n -1)
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echo "$RESPONSE_CONTENT" > "$RESPONSE_BODY"
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# Validate HTTP code is numeric
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if ! [[ "$HTTP_CODE" =~ ^[0-9]+$ ]]; then
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echo " ✗ ERROR: Invalid HTTP response code: $HTTP_CODE"
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echo " Full response: $HTTP_RESPONSE"
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exit 1
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fi
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echo " Response: HTTP $HTTP_CODE"
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# Show response body for debugging (especially on error)
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if [ -s "$RESPONSE_BODY" ]; then
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echo " Response Body:"
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sed 's/^/ /' "$RESPONSE_BODY"
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fi
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echo ""
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if [ "$HTTP_CODE" -ge 200 ] && [ "$HTTP_CODE" -lt 300 ]; then
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echo "═══════════════════════════════════════════════════════════════════════════════"
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echo " ✓ Status update successful (HTTP $HTTP_CODE)"
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echo " JSON has been sent to gitops-status-server"
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echo ""
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# Verify the JSON was actually received and stored
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echo " Verifying JSON storage on gitops-status-server..."
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sleep 1 # Brief delay to ensure server processed the POST
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VERIFY_JSON=$(curl -s "$GITOPS_STATUS_SERVER_URL/api/status" 2>&1 || true)
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if echo "$VERIFY_JSON" | grep -q "\"repo\".*\"$REPO_NAME\""; then
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echo " ✓ Verified: Latest JSON stored correctly on server"
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echo ""
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echo " Grafana Infinity datasource will now read the updated JSON from:"
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echo " $GITOPS_STATUS_SERVER_URL/api/status"
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else
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echo " ⚠ Warning: Could not verify JSON storage"
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echo " Response from /status.json:"
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echo " $VERIFY_JSON" | sed 's/^/ /'
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fi
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echo "═══════════════════════════════════════════════════════════════════════════════"
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exit 0
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else
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echo "═══════════════════════════════════════════════════════════════════════════════"
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echo " ✗ ERROR: Status update failed with HTTP $HTTP_CODE"
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echo " Debugging Information:"
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echo " - Server URL: $GITOPS_STATUS_SERVER_URL"
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echo " - Endpoint: /api/status"
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echo " - Check gitops-status-server connectivity (ping/nslookup)"
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echo " - Verify service port and internal port mapping"
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echo " - Ensure /api/status endpoint accepts POST requests"
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echo "═══════════════════════════════════════════════════════════════════════════════"
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exit 1
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fi
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