#!/usr/bin/env bash
# external-secrets/external-secrets 2.10.0 - base variant: default
# Path: fetch this entry's retained objects, check their SHA-256, then apply
# them with kubectl. It uses curl, shasum, awk and kubectl. It needs no cub
# CLI and no ConfigHub account.
# Generated by scripts/generate-public-site.mjs from this entry's listing:
# https://confighub.github.io/helm-expt/site/listings/external-secrets-external-secrets-2-10-0-default.json
# Entry page: https://confighub.github.io/helm-expt/site/charts/external-secrets-external-secrets-2-10-0.html
set -euo pipefail

say() { printf '\n>> %s\n' "$*"; }

for tool in curl awk kubectl; do
  if ! command -v "$tool" >/dev/null 2>&1; then
    printf '%s is required and was not found.\n' "$tool" >&2
    exit 1
  fi
done
if command -v shasum >/dev/null 2>&1; then
  sha256_of() { shasum -a 256 "$1" | awk '{print $1}'; }
elif command -v sha256sum >/dev/null 2>&1; then
  sha256_of() { sha256sum "$1" | awk '{print $1}'; }
else
  printf 'shasum is required and was not found.\n' >&2
  exit 1
fi

work=./external-secrets-external-secrets-2-10-0-default-objects
objects_url=https://raw.githubusercontent.com/confighub/helm-expt/main/recipes/external-secrets/external-secrets/2.10.0/revisions/default/r001/rendered/release-objects.yaml
objects_sha256=5836924e6c7df634a86ae7fb6b35de5133778dab0afe1d0a25f9adde2187ee2e

say "Fetch the retained objects into $work/objects.yaml"
mkdir -p "$work"
curl -fsSL -o "$work/objects.yaml" "$objects_url"

say "Check the file against the SHA-256 in the listing"
fetched_sha256="$(sha256_of "$work/objects.yaml")"
if [ "$fetched_sha256" != "$objects_sha256" ]; then
  printf 'The file differs from the listing, so the script stops. Nothing was applied.\n  listing: %s\n  fetched: %s\n' "$objects_sha256" "$fetched_sha256" >&2
  exit 1
fi
printf 'The file matches: sha256 %s\n' "$fetched_sha256"

say "Split the file into its 44 objects. The cluster is untouched so far"
rm -rf "$work/docs" "$work/crds" "$work/rest"
mkdir -p "$work/docs" "$work/crds" "$work/rest"
awk -v dir="$work/docs" 'BEGIN { n = 0; f = sprintf("%s/doc-%04d.yaml", dir, n) } /^---[ \t]*$/ { close(f); n++; f = sprintf("%s/doc-%04d.yaml", dir, n); next } { print > f }' "$work/objects.yaml"
for n in 0005 0006 0007 0008 0009 0010 0011 0012 0013 0014 0015 0016; do mv "$work/docs/doc-$n.yaml" "$work/crds/"; done
for n in 0017 0018 0019 0020 0021 0022 0023 0024 0025 0026 0027 0028; do mv "$work/docs/doc-$n.yaml" "$work/crds/"; done
for n in 0029; do mv "$work/docs/doc-$n.yaml" "$work/crds/"; done
for n in 0001 0002 0003 0004 0030 0031 0032 0033 0034 0035 0036 0037; do mv "$work/docs/doc-$n.yaml" "$work/rest/"; done
for n in 0038 0039 0040 0041 0042 0043 0044; do mv "$work/docs/doc-$n.yaml" "$work/rest/"; done
ls "$work/crds" "$work/rest"

if [ "${REQUIREMENTS_READY:-0}" != "1" ]; then
  say "Stop before applying anything. This entry's plan has 1 step that an install needs first"
  cat >&2 <<'EOF_REQUIREMENTS'
This script cannot carry out this step of the plan. It is yours to do, with your own values:
  - Secret external-secrets/external-secrets-webhook must exist before apply. Rendered webhook Secret separated by installer and populated by the cert-controller after apply.
Nothing was applied. Complete it before you apply the objects.
When it is done, re-run with:
  REQUIREMENTS_READY=1 bash try-objects.sh
EOF_REQUIREMENTS
  exit 1
fi
say "REQUIREMENTS_READY=1 is set. The script takes your word for 1 step and does not check it"

say "Check that kubectl reaches a cluster"
if ! kubectl get --raw /version >/dev/null 2>&1; then
  printf 'kubectl cannot reach a cluster. Point it at a throwaway cluster and re-run this script.\n' >&2
  exit 1
fi
kubectl config current-context 2>/dev/null || true

say "Create the external-secrets namespace if it does not exist"
if ! kubectl get namespace external-secrets >/dev/null 2>&1; then
  kubectl create namespace external-secrets
fi

wait_for_crd() {
  crd_name="$1"
  deadline=$(( $(date +%s) + 180 ))
  until kubectl get "crd/${crd_name}" >/dev/null 2>&1; do
    if [ "$(date +%s)" -ge "$deadline" ]; then
      printf "CRD %s did not appear within 180 seconds.\n" "$crd_name" >&2
      return 1
    fi
    sleep 2
  done
  kubectl wait --for=condition=Established --timeout=120s "crd/${crd_name}"
}

say "Check the 25 CRDs this file holds"
missing_crds=0
if ! kubectl get crd/acraccesstokens.generators.external-secrets.io >/dev/null 2>&1; then
  missing_crds=1
fi
if ! kubectl get crd/beyondtrustworkloadcredentialsdynamicsecrets.generators.external-secrets.io >/dev/null 2>&1; then
  missing_crds=1
fi
if ! kubectl get crd/cloudsmithaccesstokens.generators.external-secrets.io >/dev/null 2>&1; then
  missing_crds=1
fi
if ! kubectl get crd/clusterexternalsecrets.external-secrets.io >/dev/null 2>&1; then
  missing_crds=1
fi
if ! kubectl get crd/clustergenerators.generators.external-secrets.io >/dev/null 2>&1; then
  missing_crds=1
fi
if ! kubectl get crd/clusterpushsecrets.external-secrets.io >/dev/null 2>&1; then
  missing_crds=1
fi
if ! kubectl get crd/clustersecretstores.external-secrets.io >/dev/null 2>&1; then
  missing_crds=1
fi
if ! kubectl get crd/ecrauthorizationtokens.generators.external-secrets.io >/dev/null 2>&1; then
  missing_crds=1
fi
if ! kubectl get crd/externalsecrets.external-secrets.io >/dev/null 2>&1; then
  missing_crds=1
fi
if ! kubectl get crd/fakes.generators.external-secrets.io >/dev/null 2>&1; then
  missing_crds=1
fi
if ! kubectl get crd/gcraccesstokens.generators.external-secrets.io >/dev/null 2>&1; then
  missing_crds=1
fi
if ! kubectl get crd/generatorstates.generators.external-secrets.io >/dev/null 2>&1; then
  missing_crds=1
fi
if ! kubectl get crd/githubaccesstokens.generators.external-secrets.io >/dev/null 2>&1; then
  missing_crds=1
fi
if ! kubectl get crd/gitlabdeploytokens.generators.external-secrets.io >/dev/null 2>&1; then
  missing_crds=1
fi
if ! kubectl get crd/grafanas.generators.external-secrets.io >/dev/null 2>&1; then
  missing_crds=1
fi
if ! kubectl get crd/mfas.generators.external-secrets.io >/dev/null 2>&1; then
  missing_crds=1
fi
if ! kubectl get crd/passwords.generators.external-secrets.io >/dev/null 2>&1; then
  missing_crds=1
fi
if ! kubectl get crd/pushsecrets.external-secrets.io >/dev/null 2>&1; then
  missing_crds=1
fi
if ! kubectl get crd/quayaccesstokens.generators.external-secrets.io >/dev/null 2>&1; then
  missing_crds=1
fi
if ! kubectl get crd/secretstores.external-secrets.io >/dev/null 2>&1; then
  missing_crds=1
fi
if ! kubectl get crd/sshkeys.generators.external-secrets.io >/dev/null 2>&1; then
  missing_crds=1
fi
if ! kubectl get crd/stssessiontokens.generators.external-secrets.io >/dev/null 2>&1; then
  missing_crds=1
fi
if ! kubectl get crd/uuids.generators.external-secrets.io >/dev/null 2>&1; then
  missing_crds=1
fi
if ! kubectl get crd/vaultdynamicsecrets.generators.external-secrets.io >/dev/null 2>&1; then
  missing_crds=1
fi
if ! kubectl get crd/webhooks.generators.external-secrets.io >/dev/null 2>&1; then
  missing_crds=1
fi
if [ "$missing_crds" -eq 1 ]; then
  say "A CRD is missing, so apply the file's CRDs first"
  kubectl apply --server-side -f "$work/crds"
  crd_outcome="were applied first"
elif kubectl diff --server-side -f "$work/crds" >/dev/null 2>&1; then
  say "The CRDs already exist and match this file. The script leaves them under their current owner"
  crd_outcome="already existed and matched, so the script left them alone"
elif [ "${APPLY_CRDS:-0}" = "1" ]; then
  say "The existing CRDs differ from this file. APPLY_CRDS=1 is set, so the script applies the file's CRDs"
  kubectl apply --server-side -f "$work/crds"
  crd_outcome="differed and were applied, because APPLY_CRDS=1 was set"
else
  say "The CRDs already exist and differ from this file, or another tool owns them"
  cat <<'EOF_CRDS'
This script does not change CRDs it did not just create.
If this is an upgrade, the objects that follow may need the newer CRDs.
To let this script apply the file's CRDs, re-run with:
  APPLY_CRDS=1 bash try-objects.sh
EOF_CRDS
  exit 1
fi
wait_for_crd acraccesstokens.generators.external-secrets.io
wait_for_crd beyondtrustworkloadcredentialsdynamicsecrets.generators.external-secrets.io
wait_for_crd cloudsmithaccesstokens.generators.external-secrets.io
wait_for_crd clusterexternalsecrets.external-secrets.io
wait_for_crd clustergenerators.generators.external-secrets.io
wait_for_crd clusterpushsecrets.external-secrets.io
wait_for_crd clustersecretstores.external-secrets.io
wait_for_crd ecrauthorizationtokens.generators.external-secrets.io
wait_for_crd externalsecrets.external-secrets.io
wait_for_crd fakes.generators.external-secrets.io
wait_for_crd gcraccesstokens.generators.external-secrets.io
wait_for_crd generatorstates.generators.external-secrets.io
wait_for_crd githubaccesstokens.generators.external-secrets.io
wait_for_crd gitlabdeploytokens.generators.external-secrets.io
wait_for_crd grafanas.generators.external-secrets.io
wait_for_crd mfas.generators.external-secrets.io
wait_for_crd passwords.generators.external-secrets.io
wait_for_crd pushsecrets.external-secrets.io
wait_for_crd quayaccesstokens.generators.external-secrets.io
wait_for_crd secretstores.external-secrets.io
wait_for_crd sshkeys.generators.external-secrets.io
wait_for_crd stssessiontokens.generators.external-secrets.io
wait_for_crd uuids.generators.external-secrets.io
wait_for_crd vaultdynamicsecrets.generators.external-secrets.io
wait_for_crd webhooks.generators.external-secrets.io

say "Apply the other 19 objects"
kubectl apply -f "$work/rest"

say "Done. The 25 CRDs $crd_outcome. kubectl applied the other 19 objects of this entry's retained file."
say "The script stops here. It did not wait for any workload to start"
say "Not run by this script: 1 step of this entry's plan. The entry page says who runs it."
cat <<'EOF_NOT_RUN'
   - Secret external-secrets/external-secrets-webhook must exist before apply. Rendered webhook Secret separated by installer and populated by the cert-controller after apply.
EOF_NOT_RUN