Merge branch 'add-alloy' into L2SS-2385-add-distro-hawkbit

kas-pypcc-rpi.yml

@@ -86,7 +86,7 @@ local_conf_header:
     DISTRO_FEATURES_BACKFILL_CONSIDERED += "sysvinit"
     VIRTUAL-RUNTIME_init_manager = "systemd"
     VIRTUAL-RUNTIME_initscripts = "systemd-compat-units"
-    IMAGE_INSTALL:append = "consul-exporter node-exporter chrony-exporter ntp python3-pypcc python3-halibut-py vcgencmd dtc i2c-tools swupdate swupdate-www libgpiod libgpiod-tools libgpiod-dev kernel-module-i2c-gpio"
+    IMAGE_INSTALL:append = "alloy consul-exporter node-exporter chrony-exporter ntp python3-pypcc python3-halibut-py vcgencmd dtc i2c-tools swupdate swupdate-www libgpiod libgpiod-tools libgpiod-dev kernel-module-i2c-gpio"
     IMAGE_FSTYPES = "tar.bz2 ext4 ext4.gz wic.bz2 wic.bmap"
     SWUPDATE_IMAGES_FSTYPES[core-image-full-cmdline] = ".ubifs"
     IMAGE_BOOT_FILES:append = "halibut.dtbo;overlays/halibut.dtbo"

recipes/alloy_1.9.2.bb

+SUMMARY = "Open source OpenTelemetry Collector distribution with built-in Prometheus pipelines and support for metrics, logs, traces, and profiles."
+HOMEPAGE = "https://github.com/grafana/alloy"
+
+DEPENDS += "systemd"
+RDEPENDS_${PN} = "systemd"
+
+LICENSE = "BSD-3-Clause"
+LIC_FILES_CHKSUM = "file://${S}/../LICENSE;md5=650b869bd8ff2aed59c62bad2a22a821"
+
+FILESEXTRAPATHS:prepend := "${THISDIR}:"
+SRC_URI = " \
+  https://github.com/grafana/alloy/releases/download/v1.9.2/alloy-linux-arm64.zip;name=binary \
+  https://raw.githubusercontent.com/grafana/alloy/refs/tags/v1.9.2/LICENSE;name=license \
+  file://files/alloy.service \
+  file://files/alloy.sysconfig \
+  file://files/config.alloy \
+"
+
+SRC_URI[binary.sha256sum] = "235eca6f86bdf3ed0f8ad6d8385c81e029494d7cd375f59668560198499b66ff"
+SRC_URI[license.sha256sum] = "7c34d28e784b202aa4998f477fd0aa9773146952d7f6fa5971369fcdda59cf48"
+
+FILES:${PN} += "\
+    ${systemd_unitdir}/system/alloy.service \
+    ${systemd_unitdir}/system/multi-user.target.wants/alloy.service \
+    ${sysconfdir}/sysconfig/alloy \
+    ${sysconfdir}/alloy/config.alloy \
+"
+
+inherit systemd useradd
+
+USERADD_PACKAGES = "${PN}"
+USERADD_PARAM:${PN} = "--system --no-create-home --user-group --groups adm,systemd-journal --home-dir ${sysconfdir}/${BPN}-1 --shell /bin/nologin alloy"
+
+SYSTEMD_SERVICE:${PN} = "\
+    alloy.service \
+"
+
+INSANE_SKIP:${PN} += "already-stripped"
+
+do_install() {
+    install -Dm755 ${S}/../alloy-linux-arm64 ${D}${bindir}/alloy
+
+    install -Dm644 ${WORKDIR}/files/alloy.service ${D}${systemd_unitdir}/system/alloy.service
+
+    install -Dm644 ${WORKDIR}/files/alloy.sysconfig ${D}${sysconfdir}/sysconfig/alloy
+    install -Dm644 ${WORKDIR}/files/config.alloy ${D}${sysconfdir}/alloy
+
+    install -d -o alloy ${D}${localstatedir}/lib/alloy/data
+}

recipes/files/alloy.service

+[Unit]
+Description= Vendor-agnostic OpenTelemetry Collector distribution with programmable pipelines
+Documentation=https://grafana.com/docs/alloy
+Wants=network-online.target
+After=network-online.target
+
+[Service]
+Restart=always
+User=alloy
+Environment=HOSTNAME=%H
+#Environment=ALLOY_DEPLOY_MODE=deb
+EnvironmentFile=/etc/sysconfig/alloy
+WorkingDirectory=/var/lib/alloy
+ExecStart=/usr/bin/alloy run $CUSTOM_ARGS --storage.path=/var/lib/alloy/data $CONFIG_FILE
+ExecReload=/usr/bin/env kill -HUP $MAINPID
+TimeoutStopSec=20s
+SendSIGKILL=no
+
+[Install]
+WantedBy=multi-user.target

recipes/files/alloy.sysconfig

+CONFIG_FILE=/etc/alloy/config.alloy

recipes/files/config.alloy

+# see also https://grafana.com/docs/alloy/latest/tutorials/send-logs-to-loki/
+
+loki.relabel "journal" {
+  forward_to = []
+
+  rule {
+    source_labels = ["__journal_priority"]
+    target_label  = "level"
+  }
+  rule {
+    source_labels = ["__journal__hostname"]
+    target_label  = "hostname"
+  }
+  rule {
+    source_labels = ["__journal__comm"]
+    target_label  = "comm"
+  }
+  rule {
+    source_labels = ["__journal__systemd_unit"]
+    target_label  = "systemd_unit"
+  }
+  rule {
+    source_labels = ["__journal_unit"]
+    target_label  = "unit"
+  }
+}
+
+loki.source.journal "journal_scrape" {
+  forward_to = [loki.process.filter_logs.receiver]
+  relabel_rules = loki.relabel.journal.rules
+}
+
+loki.process "filter_logs" {
+  stage.drop {
+    source = "systemd_unit,unit"
+    expression = "serial-getty@ttyS0.service"
+    drop_counter_reason = "ignore ttyS0 errors"
+  }
+  forward_to = [loki.write.lcu_loki.receiver, loki.write.central_loki.receiver]
+}
+
+loki.write "lcu_loki" {
+  endpoint {
+    url = "http://loki.service.consul:3100/loki/api/v1/push"
+  }
+}
+
+loki.write "central_loki" {
+  endpoint {
+    url = "http://logs.service.lofar-central.consul:3100/loki/api/v1/push"
+  }
+}