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32 lines
1.2 KiB
INI
32 lines
1.2 KiB
INI
3 years ago
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[Unit]
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Description=Certificate renewer for %I
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After=network-online.target
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Documentation=https://smallstep.com/docs/step-ca/certificate-authority-server-production
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StartLimitIntervalSec=0
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[Service]
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Type=oneshot
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User=root
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Environment=STEPPATH=/etc/step-ca \
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CERT_LOCATION=/etc/step/certs/%i.crt \
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KEY_LOCATION=/etc/step/certs/%i.key
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; ExecStartPre checks if the certificate is ready for renewal,
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; based on the exit status of the command.
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; (In systemd 243 and above, you can use ExecCondition= here.)
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ExecStartPre=/usr/bin/bash -c \
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'step certificate inspect $CERT_LOCATION --format json --roots "$STEPPATH/certs/root_ca.crt" | \
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jq -e "(((.validity.start | fromdate) + \
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((.validity.end | fromdate) - (.validity.start | fromdate)) * 0.66) \
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- now) <= 0" > /dev/null'
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; ExecStart renews the certificate, if ExecStartPre was successful.
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ExecStart=/usr/bin/step ca renew --force $CERT_LOCATION $KEY_LOCATION
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; Try to reload or restart the systemd service that relies on this cert-renewer
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ExecStartPost=/usr/bin/bash -c 'systemctl --quiet is-enabled %i && systemctl try-reload-or-restart %i'
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[Install]
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WantedBy=multi-user.target
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