106 lines
3.3 KiB
Makefile
106 lines
3.3 KiB
Makefile
###############################################################################
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WD = /var/lib/dags/acme
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CERTS_DIR = $(WD)/certs
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DOMAIN = monotremata.xyz
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DOMAIN_CERTS_DIR = $(CERTS_DIR)/$(DOMAIN)
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###############################################################################
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ACME_CA_FILE = $(DOMAIN_CERTS_DIR)/ca.cer
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ACME_FULLCHAIN_FILE = $(DOMAIN_CERTS_DIR)/fullchain.cer
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ACME_KEY_FILE = $(DOMAIN_CERTS_DIR)/$(DOMAIN).key
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###############################################################################
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JSON_SECRET = $(WD)/secret.json
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SECRET_UPDATED = $(WD)/secret_updated
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###############################################################################
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K8S_CA_FILE = /var/run/secrets/kubernetes.io/serviceaccount/ca.crt
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K8S_TOKEN_FILE = /var/run/secrets/kubernetes.io/serviceaccount/token
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K8S_TOKEN = $(shell cat $(K8S_TOKEN_FILE))
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K8S_APISERVER = $(KUBERNETES_SERVICE_HOST):$(KUBERNETES_SERVICE_PORT_HTTPS)
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K8S_SECRERTS_URL = https://$(K8S_APISERVER)/api/v1/namespaces/$(CERT_NAMESPACE)/secrets
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###############################################################################
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.PHONY: all sync_certs
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all: sync_certs $(SECRET_UPDATED)
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###############################################################################
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RSYNCD_HOST = narwhal
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RSYNCD_USER = user
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REMOTE_ACME_PATH=rsync://$(RSYNCD_USER)@$(RSYNCD_HOST)/acme
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RSYNC_OPTS=--archive --delete --acls --xattrs --compress --verbose --human-readable
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sync_certs:
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mkdir -p $(CERTS_DIR)
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rsync \
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$(RSYNC_OPTS) \
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$(REMOTE_ACME_PATH) \
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$(CERTS_DIR)
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$(ACME_CA_FILE): sync_certs
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$(ACME_FULLCHAIN_FILE): sync_certs
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$(ACME_KEY_FILE): sync_certs
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###############################################################################
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$(JSON_SECRET): $(ACME_KEY_FILE) $(ACME_FULLCHAIN_FILE) $(ACME_KEY_FILE)
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jq --null-input --raw-output \
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--arg kind "Secret" \
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--arg name "$(SECRET_NAME)" \
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--arg cacert "$$(base64 -w 0 $(ACME_CA_FILE))" \
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--arg tlscert "$$(base64 -w 0 $(ACME_FULLCHAIN_FILE))" \
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--arg tlskey "$$(base64 -w 0 $(ACME_KEY_FILE))" \
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'{ kind: $$kind, metadata: {name: $$name}, data: { "ca.crt": $$cacert, "tls.crt": $$tlscert, "tls.key": $$tlskey }}' \
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> $@
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###############################################################################
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select_status_code = grep 'HTTP/' | awk '{printf $$2}'
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define k8s_api
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curl \
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-i \
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-X $(1) \
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--cacert "$(K8S_CA_FILE)" \
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-H "Authorization: Bearer $(K8S_TOKEN)" \
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-H 'Accept: application/json' \
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-H "Content-Type: application/json"
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endef
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define get_secret
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$(call k8s_api,GET) $(K8S_SECRERTS_URL)/$(SECRET_NAME) | \
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$(select_status_code)
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endef
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define post_secret
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$(call k8s_api,POST) $(K8S_SECRERTS_URL) --data @$(1) | \
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$(select_status_code)
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endef
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define put_secret
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$(call k8s_api,PUT) $(K8S_SECRERTS_URL)/$(SECRET_NAME) --data @$(1) |
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$(select_status_code)
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endef
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$(SECRET_UPDATED): $(JSON_SECRET)
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mkdir -p $(@D)
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GET_STATUS_CODE=$$($(call get_secret)); \
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if [ "$${GET_STATUS_CODE}" = "404" ]; then \
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echo "adding cert"; \
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POST_STATUS_CODE=$$($(call post_secret,$^)); \
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[ "$${POST_STATUS_CODE}" = "200" ] && touch $@; \
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elif [ "$${GET_STATUS_CODE}" = "200" ]; then \
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echo "updating existing cert"; \
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PUT_STATUS_CODE=$$($(call put_secret,$^)); \
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[ "$${PUT_STATUS_CODE}" = "200" ] && touch $@; \
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fi
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###############################################################################
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