103 lines
2.7 KiB
Bash
Executable File
103 lines
2.7 KiB
Bash
Executable File
#!/bin/sh
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set -e
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#!/bin/sh
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# vim: syntax=sh
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set -euo pipefail
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TMP=$(mktemp -d)
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INITIAL_SETUP=false
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if [ "$(vault secrets list -format json | jq -r '.["pki/elasticsearch/"].type')" != "pki" ]; then
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INITIAL_SETUP=true
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fi
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if [ "${INITIAL_SETUP}" = "true" ]; then
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# Enable the secret engine
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echo "Mounting new PKI secret engine at pki/elasticsearch"
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vault secrets enable -path=pki/elasticsearch pki
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else
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echo "Secret engine already mounted at pki/elasticsearch"
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fi
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# Configure max-lease-ttl
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echo "Tune PKI secret engine"
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vault secrets tune -max-lease-ttl=131400h pki/elasticsearch
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# Configure PKI URLs
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echo "Configure URL endpoints"
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vault write pki/elasticsearch/config/urls \
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issuing_certificates="${VAULT_ADDR}/v1/pki/elasticsearch/ca" \
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crl_distribution_points="${VAULT_ADDR}/v1/pki/elasticsearch/crl" \
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ocsp_servers="${VAULT_ADDR}/v1/pki/elasticsearch/ocsp"
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vault write pki/elasticsearch/config/cluster \
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path="${VAULT_ADDR}/v1/pki/elasticsearch"
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vault write pki/elasticsearch/config/crl \
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auto_rebuild=true \
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enable_delta=true
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# Configure tidy
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echo "Configure auto tidy for the PKI"
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vault write pki/elasticsearch/config/auto-tidy \
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enabled=true \
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tidy_cert_store=true \
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tidy_expired_issuers=true \
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tidy_revocation_queue=true \
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tidy_revoked_cert_issuer_associations=true \
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tidy_revoked_certs=true \
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tidy_acme=true \
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tidy_cross_cluster_revoked_certs=true \
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tidy_move_legacy_ca_bundle=true \
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maintain_stored_certificate_counts=true
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if [ "${INITIAL_SETUP}" = "true" ]; then
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# Generate an internal CA
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echo "Generating an internal CA"
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vault write -format=json pki/elasticsearch/intermediate/generate/internal \
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common_name="elasticsearch Certificate Authority" \
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ttl="131400h" \
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organization="ACME Corp" \
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ou="Elasticsearch Cluster" \
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locality="FooBar Ville" \
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key_type=rsa \
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key_bits=4096 \
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| jq -r '.data.csr' > ${TMP}/elasticsearch.csr
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# Sign this PKI with a root PKI
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echo "Signing the new CA with the authority from pki/root"
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vault write -format=json pki/root/root/sign-intermediate \
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csr=@${TMP}/elasticsearch.csr \
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format=pem_bundle \
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ttl="131400h" \
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| jq -r '.data.certificate' > ${TMP}/elasticsearch.crt
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# Update the intermediate CA with the signed one
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echo "Update the new CA with the signed version"
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vault write pki/elasticsearch/intermediate/set-signed \
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certificate=@${TMP}/elasticsearch.crt
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fi
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# Remove temp files
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echo "Cleaning temp files"
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rm -rf ${TMP}
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vault write pki/elasticsearch/roles/server \
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allowed_domains="elasticsearch.service.consul" \
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allow_bare_domains=true \
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allow_subdomains=true \
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allow_localhost=false \
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allow_ip_sans=true \
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server_flag=true \
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client_flag=true \
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allow_wildcard_certificates=false \
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max_ttl=720h
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