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| author | Titouan BION <titouan.bion@gmail.com> | 2021-02-13 23:25:18 +0100 |
|---|---|---|
| committer | Joffrey Bion <joffrey.bion@gmail.com> | 2021-02-13 23:40:10 +0100 |
| commit | f6a6f8f3e2ba41b44c2e9490b9dc2cc013fa2994 (patch) | |
| tree | 0098dd46f883a0baca302e83484199b229d8afb6 | |
| parent | Rename 'application' label of Prometheus exported metrics to match a more Kub... (diff) | |
| download | seven-wonders-f6a6f8f3e2ba41b44c2e9490b9dc2cc013fa2994.tar.gz seven-wonders-f6a6f8f3e2ba41b44c2e9490b9dc2cc013fa2994.tar.bz2 seven-wonders-f6a6f8f3e2ba41b44c2e9490b9dc2cc013fa2994.zip | |
Add Loki logback appender to push server logs to the free cloud hosted Loki instance provided by Grafana.com
| -rw-r--r-- | kubernetes/server.yml | 11 | ||||
| -rw-r--r-- | sw-server/build.gradle.kts | 3 | ||||
| -rw-r--r-- | sw-server/src/main/resources/logback.xml | 38 |
3 files changed, 51 insertions, 1 deletions
diff --git a/kubernetes/server.yml b/kubernetes/server.yml index 6dbc751d..3838bdfb 100644 --- a/kubernetes/server.yml +++ b/kubernetes/server.yml @@ -15,6 +15,17 @@ spec: spec: containers: - name: seven-wonders-server + env: + - name: LOKI_USERNAME + valueFrom: + secretKeyRef: + name: loki-credentials + key: username + - name: LOKI_PASSWORD + valueFrom: + secretKeyRef: + name: loki-credentials + key: api-key image: hildan/seven-wonders-server:latest ports: - containerPort: 80 diff --git a/sw-server/build.gradle.kts b/sw-server/build.gradle.kts index a129f952..445ae4d8 100644 --- a/sw-server/build.gradle.kts +++ b/sw-server/build.gradle.kts @@ -24,7 +24,8 @@ dependencies { implementation("org.springframework.security:spring-security-messaging") // logging - implementation("ch.qos.logback:logback-classic:1.1.8") + implementation("ch.qos.logback:logback-classic:1.2.3") + implementation("com.github.loki4j:loki-logback-appender:1.0.0") // monitoring / metrics implementation("org.springframework.boot:spring-boot-starter-actuator") diff --git a/sw-server/src/main/resources/logback.xml b/sw-server/src/main/resources/logback.xml new file mode 100644 index 00000000..c87e740c --- /dev/null +++ b/sw-server/src/main/resources/logback.xml @@ -0,0 +1,38 @@ +<configuration> + <include resource="org/springframework/boot/logging/logback/defaults.xml"/> + <include resource="org/springframework/boot/logging/logback/console-appender.xml"/> + + <appender name="LOKI" class="com.github.loki4j.logback.InstrumentedLoki4jAppender"> + <!-- + Loki Cloud hosted solution is limiting the batch size to 65536 Bytes, our log lines are exceeding this + limit quite often so we are sending them with a granularity of 1 instead of the default 1000. + The library does not provide a `batchSize` expressed in Bytes yet, so we cannot set it smarter than that. + --> + <batchSize>1</batchSize> + <batchTimeoutMs>10000</batchTimeoutMs> + <http> + <url>https://logs-prod-us-central1.grafana.net/loki/api/v1/push</url> + <auth> + <username>${LOKI_USERNAME}</username> + <password>${LOKI_PASSWORD}</password> + </auth> + <requestTimeoutMs>15000</requestTimeoutMs> + </http> + <format> + <label> + <pattern>application=seven-wonders,instance=${HOSTNAME},level=%level,class=%logger</pattern> + </label> + <message> + <pattern>level=%level class=%logger thread=%thread | %msg %ex</pattern> + </message> + </format> + </appender> + + <root level="DEBUG"> + <appender-ref ref="CONSOLE"/> + </root> + <root level="INFO"> + <appender-ref ref="LOKI"/> + </root> + +</configuration> |