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feat: Support configuring JVM arguments #819
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ae8c919
feat: Support configuring JVM arguments
sbernauer a1ceebc
Add test
sbernauer 34befa5
Update mem detection
sbernauer 3c25660
Merge branch 'main' into feat/jvm-arguments
sbernauer 1b63108
Fix rustdoc
sbernauer 5160716
Add docs
sbernauer 48895af
Update docs/modules/kafka/pages/usage-guide/overrides.adoc
sbernauer 7338df2
Fix variable names in test
sbernauer 7112592
Update rust/operator-binary/src/config/jvm.rs
sbernauer 4297e61
Merge branch 'main' into feat/jvm-arguments
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,200 @@ | ||
use snafu::{OptionExt, ResultExt, Snafu}; | ||
use stackable_kafka_crd::{ | ||
KafkaConfig, KafkaConfigFragment, JVM_SECURITY_PROPERTIES_FILE, METRICS_PORT, | ||
STACKABLE_CONFIG_DIR, | ||
}; | ||
use stackable_operator::{ | ||
memory::{BinaryMultiple, MemoryQuantity}, | ||
role_utils::{self, GenericRoleConfig, JavaCommonConfig, JvmArgumentOverrides, Role}, | ||
}; | ||
|
||
const JAVA_HEAP_FACTOR: f32 = 0.8; | ||
|
||
#[derive(Snafu, Debug)] | ||
pub enum Error { | ||
#[snafu(display("invalid memory resource configuration - missing default or value in crd?"))] | ||
MissingMemoryResourceConfig, | ||
|
||
#[snafu(display("invalid memory config"))] | ||
InvalidMemoryConfig { | ||
source: stackable_operator::memory::Error, | ||
}, | ||
|
||
#[snafu(display("failed to merge jvm argument overrides"))] | ||
MergeJvmArgumentOverrides { source: role_utils::Error }, | ||
} | ||
|
||
/// All JVM arguments. | ||
fn construct_jvm_args( | ||
merged_config: &KafkaConfig, | ||
role: &Role<KafkaConfigFragment, GenericRoleConfig, JavaCommonConfig>, | ||
role_group: &str, | ||
) -> Result<Vec<String>, Error> { | ||
let heap_size = MemoryQuantity::try_from( | ||
merged_config | ||
.resources | ||
.memory | ||
.limit | ||
.as_ref() | ||
.context(MissingMemoryResourceConfigSnafu)?, | ||
) | ||
.context(InvalidMemoryConfigSnafu)? | ||
.scale_to(BinaryMultiple::Mebi) | ||
* JAVA_HEAP_FACTOR; | ||
let java_heap = heap_size | ||
.format_for_java() | ||
.context(InvalidMemoryConfigSnafu)?; | ||
|
||
let jvm_args = vec![ | ||
// Heap settings | ||
format!("-Xmx{java_heap}"), | ||
format!("-Xms{java_heap}"), | ||
format!("-Djava.security.properties={STACKABLE_CONFIG_DIR}/{JVM_SECURITY_PROPERTIES_FILE}"), | ||
format!("-javaagent:/stackable/jmx/jmx_prometheus_javaagent.jar={METRICS_PORT}:/stackable/jmx/broker.yaml") | ||
]; | ||
|
||
let operator_generated = JvmArgumentOverrides::new_with_only_additions(jvm_args); | ||
let merged = role | ||
.get_merged_jvm_argument_overrides(role_group, &operator_generated) | ||
.context(MergeJvmArgumentOverridesSnafu)?; | ||
Ok(merged | ||
.effective_jvm_config_after_merging() | ||
// Sorry for the clone, that's how operator-rs is currently modelled :P | ||
.clone()) | ||
} | ||
|
||
/// Arguments that go into `EXTRA_ARGS`, so *not* the heap settings (which you cen get using | ||
/// [`construct_heap_jvm_args`]). | ||
pub fn construct_non_heap_jvm_args( | ||
merged_config: &KafkaConfig, | ||
role: &Role<KafkaConfigFragment, GenericRoleConfig, JavaCommonConfig>, | ||
role_group: &str, | ||
) -> Result<String, Error> { | ||
let mut jvm_args = construct_jvm_args(merged_config, role, role_group)?; | ||
jvm_args.retain(|arg| !is_heap_jvm_argument(arg)); | ||
|
||
Ok(jvm_args.join(" ")) | ||
} | ||
|
||
/// Arguments that go into `KAFKA_HEAP_OPTS`. | ||
/// You can get the normal JVM arguments using [`construct_non_heap_jvm_args`]. | ||
pub fn construct_heap_jvm_args( | ||
merged_config: &KafkaConfig, | ||
role: &Role<KafkaConfigFragment, GenericRoleConfig, JavaCommonConfig>, | ||
role_group: &str, | ||
) -> Result<String, Error> { | ||
let mut jvm_args = construct_jvm_args(merged_config, role, role_group)?; | ||
jvm_args.retain(|arg| is_heap_jvm_argument(arg)); | ||
|
||
Ok(jvm_args.join(" ")) | ||
} | ||
|
||
fn is_heap_jvm_argument(jvm_argument: &str) -> bool { | ||
let lowercase = jvm_argument.to_lowercase(); | ||
|
||
lowercase.starts_with("-xms") || lowercase.starts_with("-xmx") | ||
} | ||
|
||
#[cfg(test)] | ||
mod tests { | ||
use stackable_kafka_crd::{KafkaCluster, KafkaRole}; | ||
|
||
use super::*; | ||
|
||
#[test] | ||
fn test_construct_jvm_arguments_defaults() { | ||
let input = r#" | ||
apiVersion: kafka.stackable.tech/v1alpha1 | ||
kind: KafkaCluster | ||
metadata: | ||
name: simple-kafka | ||
spec: | ||
image: | ||
productVersion: 3.7.1 | ||
clusterConfig: | ||
zookeeperConfigMapName: xyz | ||
brokers: | ||
roleGroups: | ||
default: | ||
replicas: 1 | ||
"#; | ||
let (kafka_role, role, merged_config) = construct_boilerplate(input); | ||
let non_heap_jvm_args = | ||
construct_non_heap_jvm_args(&kafka_role, &role, &merged_config).unwrap(); | ||
let heap_jvm_args = construct_heap_jvm_args(&kafka_role, &role, &merged_config).unwrap(); | ||
|
||
assert_eq!( | ||
non_heap_jvm_args, | ||
"-Djava.security.properties=/stackable/config/security.properties \ | ||
-javaagent:/stackable/jmx/jmx_prometheus_javaagent.jar=9606:/stackable/jmx/broker.yaml" | ||
); | ||
assert_eq!(heap_jvm_args, "-Xmx819m -Xms819m"); | ||
} | ||
|
||
#[test] | ||
fn test_construct_jvm_argument_overrides() { | ||
let input = r#" | ||
apiVersion: kafka.stackable.tech/v1alpha1 | ||
kind: KafkaCluster | ||
metadata: | ||
name: simple-kafka | ||
spec: | ||
image: | ||
productVersion: 3.7.1 | ||
clusterConfig: | ||
zookeeperConfigMapName: xyz | ||
brokers: | ||
config: | ||
resources: | ||
memory: | ||
limit: 42Gi | ||
jvmArgumentOverrides: | ||
add: | ||
- -Dhttps.proxyHost=proxy.my.corp | ||
- -Dhttps.proxyPort=8080 | ||
- -Djava.net.preferIPv4Stack=true | ||
roleGroups: | ||
default: | ||
replicas: 1 | ||
jvmArgumentOverrides: | ||
# We need more memory! | ||
removeRegex: | ||
- -Xmx.* | ||
- -Dhttps.proxyPort=.* | ||
add: | ||
- -Xmx40000m | ||
- -Dhttps.proxyPort=1234 | ||
"#; | ||
let (merged_config, role, role_group) = construct_boilerplate(input); | ||
let non_heap_jvm_args = | ||
construct_non_heap_jvm_args(&merged_config, &role, &role_group).unwrap(); | ||
let heap_jvm_args = construct_heap_jvm_args(&merged_config, &role, &role_group).unwrap(); | ||
|
||
assert_eq!( | ||
non_heap_jvm_args, | ||
"-Djava.security.properties=/stackable/config/security.properties \ | ||
-javaagent:/stackable/jmx/jmx_prometheus_javaagent.jar=9606:/stackable/jmx/broker.yaml \ | ||
-Dhttps.proxyHost=proxy.my.corp \ | ||
-Djava.net.preferIPv4Stack=true \ | ||
-Dhttps.proxyPort=1234" | ||
); | ||
assert_eq!(heap_jvm_args, "-Xms34406m -Xmx40000m"); | ||
} | ||
|
||
fn construct_boilerplate( | ||
kafka_cluster: &str, | ||
) -> ( | ||
KafkaConfig, | ||
Role<KafkaConfigFragment, GenericRoleConfig, JavaCommonConfig>, | ||
String, | ||
) { | ||
let kafka: KafkaCluster = serde_yaml::from_str(kafka_cluster).expect("illegal test input"); | ||
|
||
let kafka_role = KafkaRole::Broker; | ||
let rolegroup_ref = kafka.broker_rolegroup_ref("default"); | ||
let merged_config = kafka.merged_config(&kafka_role, &rolegroup_ref).unwrap(); | ||
let role = kafka.spec.brokers.unwrap(); | ||
|
||
(merged_config, role, "default".to_owned()) | ||
} | ||
} |
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1 @@ | ||
pub mod jvm; |
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