Debugging tools

joshua_in_scaler.sh

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+#!/bin/bash
+# joshua_in_scaler.sh - Run joshua commands against EKS cluster
+#
+# This script enables Joshua CLI access when Joshua is not installed locally on remote pod.
+# It uses the agent-scaler pod as a proxy: copies your local joshua.py source
+# to the pod (which has database access) and executes commands there, remotely.
+#
+# Usage: joshua_remote_cli.sh --context <context> [--joshua-dir <dir>] [--rhel9] <command> [args...]
+
+# Environment variables with expected values:
+# JOSHUA_CONTEXT: kubectl context name or EKS ARN (e.g., "arn:aws:eks:us-west-2:123456789:cluster/my-cluster")
+# JOSHUA_SCALER: scaler type - "regular" (default) or "rhel9"
+CONTEXT="${JOSHUA_CONTEXT:-}"
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+JOSHUA_CHECKOUT="${JOSHUA_DIR:-$SCRIPT_DIR}"
+SCALER_TYPE="${JOSHUA_SCALER:-regular}"
+
+# Parse named arguments
+while [[ $# -gt 0 ]]; do
+    case "$1" in
+        --context|-c)
+            CONTEXT="$2"
+            shift 2
+            ;;
+        --rhel9)
+            SCALER_TYPE="rhel9"
+            shift
+            ;;
+        *)
+            break
+            ;;
+    esac
+done
+
+if [ -z "$CONTEXT" ]; then
+    echo "Error: --context is required (or set JOSHUA_CONTEXT env var)"
+    echo "Usage: $0 --context <k8s-context> [--rhel9] <command> [args...]"
+    exit 1
+fi
+
+JOSHUA_PY=$(find ${JOSHUA_CHECKOUT} -name "joshua.py" -print)
+if [ -z "$JOSHUA_PY" ]; then
+    echo "Error: Could not find joshua.py in ${JOSHUA_CHECKOUT}"
+    exit 1
+fi
+
+if [ "$SCALER_TYPE" = "rhel9" ]; then
+    SCALER_POD=$(kubectl --context "${CONTEXT}" get pods -l app=agent-scaler-rhel9 -o jsonpath='{.items[0].metadata.name}')
+else
+    SCALER_POD=$(kubectl --context "${CONTEXT}" get pods -l app=agent-scaler -o jsonpath='{.items[0].metadata.name}')
+fi
+
+if [ -z "$SCALER_POD" ]; then
+    echo "Error: Could not find agent-scaler pod (type: $SCALER_TYPE)"
+    exit 1
+fi
+
+# Copy joshua.py with patched imports (remove lxml dependency, fix relative imports for pod environment)
+sed -e 's/import lxml.etree as le/le = None/' \
+    -e 's/from \. import joshua_model/import joshua_model/' \
+    "$JOSHUA_PY" | \
+    kubectl --context "$CONTEXT" exec -i "$SCALER_POD" -- tee /tmp/joshua.py > /dev/null
+
+kubectl --context "$CONTEXT" exec -it "$SCALER_POD" -- env PYTHONPATH=/tools python3 /tmp/joshua.py -C /etc/foundationdb/fdb.cluster "$@"