mirror of
https://github.com/krislamo/puppet-acme_vault
synced 2024-11-09 20:30:36 +00:00
86 lines
2.3 KiB
Bash
86 lines
2.3 KiB
Bash
#!/bin/bash
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# this script compares the existing cert against the new cert in vault, and
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# replaces existing cert only if it is newer and valid.
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# function defs
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get_fingerprint() {
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openssl x509 -noout -fingerprint -in <(echo "$1") | awk -F= '{print $2}'
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}
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get_enddate() {
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date --date="$(openssl x509 -noout -enddate -in <(echo "$1")| awk -F= '{print $2}')" --iso-8601
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}
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# arguments
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DOMAIN=$1
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CERT_PREFIX=$2
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EXISTING_CERT_DIR="${CERT_PREFIX}/${DOMAIN}"
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EXISTING_CERT_PATH="${EXISTING_CERT_DIR}/cert.pem"
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EXISTING_KEY_PATH="${EXISTING_CERT_DIR}/cert.key"
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# variables
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ONE_WEEK=604800
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TODAY=$(date --iso-8601)
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NEWCERT_VAULT_PATH="/secret/letsencrypt/${DOMAIN}/cert.pem"
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NEWKEY_VAULT_PATH="/secret/letsencrypt/${DOMAIN}/cert.key"
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# Get new cert info
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NEWCERT=$(vault read -field=value $NEWCERT_VAULT_PATH) || exit -1
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NEWKEY=$(vault read -field=value $NEWKEY_VAULT_PATH) || exit -1
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NEWCERT_FINGERPRINT=$(get_fingerprint "$NEWCERT")
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NEWCERT_ENDDATE=$(get_enddate "$NEWCERT")
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# we need to bail right away if we don't have a valid new cert
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if [ "$NEWCERT_FINGERPRINT" == "" ]
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then
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echo "no valid new cert found!"
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exit -1
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fi
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#echo "new fingerprint: $NEWCERT_FINGERPRINT"
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#echo "new enddate: $NEWCERT_ENDDATE"
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# Get existing cert info
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EXISTING_CERT=$(cat $EXISTING_CERT_PATH)
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EXISTING_CERT_FINGERPRINT=$(get_fingerprint "$EXISTING_CERT")
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EXISTING_CERT_ENDDATE=$(get_enddate "$EXISTING_CERT")
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#echo "existing fingerprint: $EXISTING_CERT_FINGERPRINT"
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#echo "existing enddate: $EXISTING_CERT_ENDDATE"
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# check that new cert is different
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# if it is the same, exit normally, this will be the common case
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if [ "$NEWCERT_FINGERPRINT" == "$EXISTING_CERT_FINGERPRINT" ]
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then
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exit -1
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fi
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# check that new cert is newer than current cert
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if [ "$EXISTING_CERT_ENDDATE" \> "$NEWCERT_ENDDATE" ]
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then
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echo "existing cert expiration is older, exiting"
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exit -1
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fi
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# check that new cert is not expired
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if [ "$NEWCERT_ENDDATE" \< "$TODAY" ]
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then
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echo "new cert is expired, exiting"
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exit -1
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fi
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# if we made it this far, the cert looks good, replace it
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echo "replacing cert at $EXISTING_CERT_PATH"
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mkdir $EXISTING_CERT_DIR || true
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echo "$NEWCERT" > $EXISTING_CERT_PATH
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echo "$NEWKEY" > $EXISTING_KEY_PATH
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#openssl x509 -in <(vault read -field=value /secret/apidb.org/cert.pem) -noout -checkend 8640000
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