Initial Commit

.editorconfig

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+root = true
+
+[*]
+indent_style = space
+indent_size = 2
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = false
+
+[Makefile]
+indent_style = tab

.gitattributes

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+Makefile eol=lf txt

.gitignore

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+pkg
+src/prometheus-x509-certificate-exporter
+*.rpm
+**/*.iml
+**/*.idea

Makefile

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+# VERSION / RELEASE
+# If no version is specified as a parameter of make, the last git hash
+# value is taken.
+EPOCH=0
+VERSION?=3.18.0
+RELEASE=0
+ARCH=x86_64
+
+# RPM_PACKAGE_NAME
+# Defines the name of the rpm package. This name is required to install the rpm package with an rpm package manager like
+# dnf, rpm or yum.
+RPM_PACKAGE_NAME=prometheus-x509-certificate-exporter
+RPM_FILE_NAME_SHORT=${RPM_PACKAGE_NAME}.rpm
+RPM_FILE_NAME_FULL:=${RPM_PACKAGE_NAME}-${EPOCH}-${VERSION}-${RELEASE}.${ARCH}.rpm
+
+root_dir:=$(shell dirname $(realpath $(firstword $(MAKEFILE_LIST))))
+
+# BUILD
+# ==============================================================================
+PHONY:=${RPM_FILE_NAME_SHORT}
+${RPM_FILE_NAME_SHORT}: ${RPM_FILE_NAME_FULL}
+
+${RPM_FILE_NAME_FULL}: clean
+
+	git clone https://github.com/enix/x509-certificate-exporter.git ./src/${RPM_PACKAGE_NAME}
+	go build -C ./src/${RPM_PACKAGE_NAME}/cmd/x509-certificate-exporter/ -o ${RPM_PACKAGE_NAME}
+
+	install -D --mode 0644 "${root_dir}/src/systemd.service" "${root_dir}/pkg/usr/lib/systemd/system/${RPM_PACKAGE_NAME}.service"
+	install -D --mode 0755 --target-directory "${root_dir}/pkg/usr/bin" "${root_dir}/src/${RPM_PACKAGE_NAME}/cmd/x509-certificate-exporter/${RPM_PACKAGE_NAME}"
+	install -D --mode 0600 /dev/null "${root_dir}/pkg/etc/conf.d/${RPM_PACKAGE_NAME}"
+	install -D --mode 0755 --target-directory "${root_dir}/pkg/usr/share/licenses/${RPM_PACKAGE_NAME}" "${root_dir}/src/${RPM_PACKAGE_NAME}/LICENSE"
+
+	rpm-builder \
+		--dir pkg/:/ \
+		--epoch ${EPOCH} \
+		--version ${VERSION} \
+		--release ${RELEASE} \
+		--arch ${ARCH} \
+		--out ${RPM_FILE_NAME_FULL} \
+			${RPM_PACKAGE_NAME}
+
+# # CLEAN
+# # ==============================================================================
+clean:
+	- rm --force --recursive ./pkg ./src/${RPM_PACKAGE_NAME}
+	- rm --force ${RPM_FILE_NAME_FULL}
+
+# PHONY
+# ==============================================================================
+# Declare the contents of the PHONY variable as phony. We keep that information
+# in a variable so we can use it in if_changed.
+.PHONY: ${PHONY}

README.md

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+# README

src/systemd.service

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+[Unit]
+Description=Prometheus exporter for x509 certificate metrics
+Requires=network-online.target
+After=network-online.target
+
+[Service]
+EnvironmentFile=-/etc/conf.d/prometheus-x509-certificate-exporter
+ExecStart=/usr/bin/prometheus-x509-certificate-exporter $EXTRA_ARGS
+ExecReload=/bin/kill -HUP $MAINPID
+User=root
+Group=root
+Restart=on-failure
+RestartSec=5s
+
+NoNewPrivileges=true
+
+[Install]
+WantedBy=multi-user.target