94 lines
2.6 KiB
Nix
94 lines
2.6 KiB
Nix
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{ pkgs, lib, fluxLocal, ... }:
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with pkgs;
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writeShellApplication rec {
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name = "flux-diff";
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runtimeInputs = [ fluxLocal ];
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text = ''
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#!/usr/bin/env bash
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set -euo pipefail
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# Ensure flux-local is available
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export PATH="${fluxLocal}/bin:$PATH"
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# Default values for inputs
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PATH_INPUT="''${PATH_INPUT:-kubernetes}"
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RESOURCE="''${RESOURCE:-kustomization}"
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LIVE_BRANCH_DIR="''${LIVE_BRANCH_DIR:-./workspace/default}"
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PR_BRANCH_DIR="''${PR_BRANCH_DIR:-./workspace/pull}"
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DIFF_LINES="''${DIFF_LINES:-6}"
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STRIP_ATTRS="''${STRIP_ATTRS:-helm.sh/chart,checksum/config,app.kubernetes.io/version,chart}"
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LIMIT_BYTES="''${LIMIT_BYTES:-10000}"
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SKIP_SECRETS="''${SKIP_SECRETS:-true}"
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SKIP_CRDS="''${SKIP_CRDS:-true}"
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KUSTOMIZE_BUILD_FLAGS="''${KUSTOMIZE_BUILD_FLAGS:-}"
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SOURCES="''${SOURCES:-}"
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API_VERSIONS="''${API_VERSIONS:-}"
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DEBUG="''${DEBUG:-false}"
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# Adjust log level based on debug input
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if [[ "$DEBUG" == "true" ]]; then
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LOG_LEVEL="DEBUG"
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else
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LOG_LEVEL="INFO"
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fi
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# Additional flags for helmrelease resources
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EXTRA_FLAGS=""
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if [[ "$RESOURCE" == "helmrelease" && -n "$API_VERSIONS" ]]; then
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EXTRA_FLAGS="--api-versions=$API_VERSIONS"
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fi
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# Adjust skip flags
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if [[ "$SKIP_SECRETS" == "true" ]]; then
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SKIP_SECRETS_FLAG="--skip-secrets"
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else
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SKIP_SECRETS_FLAG="--no-skip-secrets"
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fi
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if [[ "$SKIP_CRDS" == "true" ]]; then
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SKIP_CRDS_FLAG="--skip-crds"
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else
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SKIP_CRDS_FLAG="--no-skip-crds"
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fi
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# Loop over paths and resources
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for path in $PATH_INPUT; do
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diff_file="diff-$path-$RESOURCE.patch"
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flux-local \
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--log-level "$LOG_LEVEL" \
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diff "$RESOURCE" \
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--unified "$DIFF_LINES" \
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--path "$PR_BRANCH_DIR/$path" \
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--path-orig "$LIVE_BRANCH_DIR/$path" \
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--strip-attrs "$STRIP_ATTRS" \
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$SKIP_SECRETS_FLAG \
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$SKIP_CRDS_FLAG \
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--limit-bytes "$LIMIT_BYTES" \
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--all-namespaces \
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--kustomize-build-flags="$KUSTOMIZE_BUILD_FLAGS" \
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--sources "$SOURCES" \
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--output-file "$diff_file" \
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"$EXTRA_FLAGS"
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# Output the diff if it exists
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if [[ -s "$diff_file" ]]; then
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echo "Differences found for path: $path and resource: $RESOURCE"
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cat "$diff_file"
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else
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echo "No differences found for path: $path and resource: $RESOURCE"
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fi
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done
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'';
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meta = with lib; {
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homepage = "https://code.252.no/tommy/containers";
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description = "Perform Flux diffs locally";
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license = licenses.mit;
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maintainers = with maintainers; [ "tommy-skaug" ];
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};
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}
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