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Merge pull request #24089 from Sgitario/feat_k8s_security_context
Kubernetes support of SecurityContext configuration
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78 changes: 78 additions & 0 deletions
78
...oyment/src/main/java/io/quarkus/kubernetes/deployment/ApplySecuritySettingsDecorator.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,78 @@ | ||
| package io.quarkus.kubernetes.deployment; | ||
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| import java.util.Optional; | ||
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| import io.dekorate.kubernetes.decorator.Decorator; | ||
| import io.dekorate.kubernetes.decorator.NamedResourceDecorator; | ||
| import io.dekorate.kubernetes.decorator.ResourceProvidingDecorator; | ||
| import io.fabric8.kubernetes.api.model.ObjectMeta; | ||
| import io.fabric8.kubernetes.api.model.PodSecurityContextBuilder; | ||
| import io.fabric8.kubernetes.api.model.PodSpecFluent; | ||
| import io.fabric8.kubernetes.api.model.SELinuxOptions; | ||
| import io.fabric8.kubernetes.api.model.SELinuxOptionsBuilder; | ||
| import io.fabric8.kubernetes.api.model.SysctlBuilder; | ||
| import io.fabric8.kubernetes.api.model.WindowsSecurityContextOptions; | ||
| import io.fabric8.kubernetes.api.model.WindowsSecurityContextOptionsBuilder; | ||
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| public class ApplySecuritySettingsDecorator extends NamedResourceDecorator<PodSpecFluent> { | ||
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| private final SecurityContextConfig securityContext; | ||
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| public ApplySecuritySettingsDecorator(String resourceName, SecurityContextConfig securityContext) { | ||
| super(resourceName); | ||
| this.securityContext = securityContext; | ||
| } | ||
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| @Override | ||
| public void andThenVisit(PodSpecFluent podSpec, ObjectMeta resourceMeta) { | ||
| PodSecurityContextBuilder securityContextBuilder = new PodSecurityContextBuilder(); | ||
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| securityContext.runAsUser.ifPresent(securityContextBuilder::withRunAsUser); | ||
| securityContext.runAsGroup.ifPresent(securityContextBuilder::withRunAsGroup); | ||
| securityContext.runAsNonRoot.ifPresent(securityContextBuilder::withRunAsNonRoot); | ||
| securityContext.supplementalGroups.ifPresent(securityContextBuilder::addAllToSupplementalGroups); | ||
| securityContext.fsGroup.ifPresent(securityContextBuilder::withFsGroup); | ||
| securityContext.sysctls.ifPresent(map -> map.entrySet().stream() | ||
| .map(entry -> new SysctlBuilder().withName(entry.getKey()).withValue(entry.getValue()).build()) | ||
| .forEach(securityContextBuilder::addToSysctls)); | ||
| securityContext.fsGroupChangePolicy.map(e -> e.name()).ifPresent(securityContextBuilder::withFsGroupChangePolicy); | ||
| buildSeLinuxOptions().ifPresent(securityContextBuilder::withSeLinuxOptions); | ||
| buildWindowsOptions().ifPresent(securityContextBuilder::withWindowsOptions); | ||
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| podSpec.withSecurityContext(securityContextBuilder.build()); | ||
| } | ||
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| @Override | ||
| public Class<? extends Decorator>[] after() { | ||
| return new Class[] { ResourceProvidingDecorator.class }; | ||
| } | ||
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| private Optional<WindowsSecurityContextOptions> buildWindowsOptions() { | ||
| WindowsSecurityContextOptions item = null; | ||
| if (securityContext.windowsOptions.isAnyPropertySet()) { | ||
| WindowsSecurityContextOptionsBuilder builder = new WindowsSecurityContextOptionsBuilder(); | ||
| securityContext.windowsOptions.gmsaCredentialSpec.ifPresent(builder::withGmsaCredentialSpec); | ||
| securityContext.windowsOptions.gmsaCredentialSpecName.ifPresent(builder::withGmsaCredentialSpecName); | ||
| securityContext.windowsOptions.hostProcess.ifPresent(builder::withHostProcess); | ||
| securityContext.windowsOptions.runAsUserName.ifPresent(builder::withRunAsUserName); | ||
| item = builder.build(); | ||
| } | ||
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| return Optional.ofNullable(item); | ||
| } | ||
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| private Optional<SELinuxOptions> buildSeLinuxOptions() { | ||
| SELinuxOptions item = null; | ||
| if (securityContext.seLinuxOptions.isAnyPropertySet()) { | ||
| SELinuxOptionsBuilder builder = new SELinuxOptionsBuilder(); | ||
| securityContext.seLinuxOptions.user.ifPresent(builder::withUser); | ||
| securityContext.seLinuxOptions.role.ifPresent(builder::withRole); | ||
| securityContext.seLinuxOptions.level.ifPresent(builder::withLevel); | ||
| securityContext.seLinuxOptions.type.ifPresent(builder::withType); | ||
| item = builder.build(); | ||
| } | ||
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| return Optional.ofNullable(item); | ||
| } | ||
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| } |
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151 changes: 151 additions & 0 deletions
151
...illa/deployment/src/main/java/io/quarkus/kubernetes/deployment/SecurityContextConfig.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,151 @@ | ||
| package io.quarkus.kubernetes.deployment; | ||
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| import java.util.List; | ||
| import java.util.Map; | ||
| import java.util.Optional; | ||
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| import io.quarkus.runtime.annotations.ConfigGroup; | ||
| import io.quarkus.runtime.annotations.ConfigItem; | ||
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| @ConfigGroup | ||
| public class SecurityContextConfig { | ||
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| /** | ||
| * SELinuxOptions to be applied to the container. | ||
| */ | ||
| SeLinuxOptions seLinuxOptions; | ||
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| /** | ||
| * The Windows specific settings applied to all containers. | ||
| */ | ||
| WindowsOptions windowsOptions; | ||
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| /** | ||
| * The UID to run the entrypoint of the container process. | ||
| */ | ||
| @ConfigItem | ||
| Optional<Long> runAsUser; | ||
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| /** | ||
| * The GID to run the entrypoint of the container process. | ||
| */ | ||
| @ConfigItem | ||
| Optional<Long> runAsGroup; | ||
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| /** | ||
| * Indicates that the container must run as a non-root user. | ||
| */ | ||
| @ConfigItem | ||
| Optional<Boolean> runAsNonRoot; | ||
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| /** | ||
| * A list of groups applied to the first process run in each container, in addition to the container's primary GID. | ||
| * If unspecified, no groups will be added to any container. | ||
| */ | ||
| @ConfigItem | ||
| Optional<List<Long>> supplementalGroups; | ||
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| /** | ||
| * A special supplemental group that applies to all containers in a pod. | ||
| */ | ||
| @ConfigItem | ||
| Optional<Long> fsGroup; | ||
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| /** | ||
| * Sysctls hold a list of namespaced sysctls used for the pod. | ||
| */ | ||
| @ConfigItem | ||
| Optional<Map<String, String>> sysctls; | ||
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| /** | ||
| * It holds policies that will be used for applying fsGroup to a volume when volume is mounted. | ||
| * Values: OnRootMismatch, Always | ||
| */ | ||
| @ConfigItem | ||
| Optional<PodFSGroupChangePolicy> fsGroupChangePolicy; | ||
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| protected boolean isAnyPropertySet() { | ||
| return seLinuxOptions.isAnyPropertySet() || windowsOptions.isAnyPropertySet() || runAsUser.isPresent() | ||
| || runAsGroup.isPresent() || runAsNonRoot.isPresent() || supplementalGroups.isPresent() | ||
| || fsGroup.isPresent() || sysctls.isPresent() || fsGroupChangePolicy.isPresent(); | ||
| } | ||
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| @ConfigGroup | ||
| public static class SeLinuxOptions { | ||
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| /** | ||
| * The SELinux level label that applies to the container. | ||
| */ | ||
| @ConfigItem | ||
| Optional<String> level; | ||
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| /** | ||
| * The SELinux role label that applies to the container. | ||
| */ | ||
| @ConfigItem | ||
| Optional<String> role; | ||
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| /** | ||
| * The SELinux type label that applies to the container. | ||
| */ | ||
| @ConfigItem | ||
| Optional<String> type; | ||
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| /** | ||
| * The SELinux user label that applies to the container. | ||
| */ | ||
| @ConfigItem | ||
| Optional<String> user; | ||
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| protected boolean isAnyPropertySet() { | ||
| return level.isPresent() || role.isPresent() || type.isPresent() || user.isPresent(); | ||
| } | ||
| } | ||
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| @ConfigGroup | ||
| public static class WindowsOptions { | ||
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| /** | ||
| * The name of the GMSA credential spec to use. | ||
| */ | ||
| @ConfigItem | ||
| Optional<String> gmsaCredentialSpecName; | ||
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| /** | ||
| * GMSACredentialSpec is where the GMSA admission webhook (https://github.com/kubernetes-sigs/windows-gmsa) inlines the | ||
| * contents of the GMSA credential spec named by the GMSACredentialSpecName field. | ||
| */ | ||
| @ConfigItem | ||
| Optional<String> gmsaCredentialSpec; | ||
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| /** | ||
| * The UserName in Windows to run the entrypoint of the container process. | ||
| */ | ||
| @ConfigItem | ||
| Optional<String> runAsUserName; | ||
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| /** | ||
| * HostProcess determines if a container should be run as a 'Host Process' container. | ||
| */ | ||
| @ConfigItem | ||
| Optional<Boolean> hostProcess; | ||
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| protected boolean isAnyPropertySet() { | ||
| return gmsaCredentialSpecName.isPresent() || gmsaCredentialSpec.isPresent() || runAsUserName.isPresent() | ||
| || hostProcess.isPresent(); | ||
| } | ||
| } | ||
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| public enum PodFSGroupChangePolicy { | ||
| /** | ||
| * It indicates that volume's ownership and permissions will be changed only when permission and ownership of root | ||
| * directory does not match with expected permissions on the volume. | ||
| */ | ||
| OnRootMismatch, | ||
| /** | ||
| * It indicates that volume's ownership and permissions should always be changed whenever volume is mounted inside a | ||
| * Pod. This the default behavior. | ||
| */ | ||
| Always; | ||
| } | ||
| } |
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