当然,我们让EKS和工作节点在AWS上运行。我们使用的是gcr.io/google_containers/elasticsearch:v6.3.0.然而,现在我们想要添加策展人来获取ES索引的快照,并将它们存储在S3桶中。为此,ES需要一个存储库-S3插件。
因此,我们决定扩展这个映像,并通过安装插件来创建自己的插件。Dockerfile是:
FROM gcr.io/google_containers/elasticsearch:v6.3.0
RUN /usr/share/elasticsearch/bin/elasticsearch-plugin install --batch repository-s3这将返回:
Step 2/2 : RUN /usr/share/elasticsearch/bin/elasticsearch-plugin install --batch repository-s3
---> Running in 8d96a792a7e3
Exception in thread "main" java.lang.IllegalArgumentException: Could not resolve placeholder 'MINIMUM_MASTER_NODES'
at org.elasticsearch.common.settings.PropertyPlaceholder.parseStringValue(PropertyPlaceholder.java:116)
at org.elasticsearch.common.settings.PropertyPlaceholder.replacePlaceholders(PropertyPlaceholder.java:69)
at org.elasticsearch.common.settings.Settings$Builder.replacePropertyPlaceholders(Settings.java:1263)
at org.elasticsearch.common.settings.Settings$Builder.replacePropertyPlaceholders(Settings.java:1213)
at org.elasticsearch.node.InternalSettingsPreparer.initializeSettings(InternalSettingsPreparer.java:128)
at org.elasticsearch.node.InternalSettingsPreparer.prepareEnvironment(InternalSettingsPreparer.java:107)
at org.elasticsearch.cli.EnvironmentAwareCommand.createEnv(EnvironmentAwareCommand.java:95)
at org.elasticsearch.cli.EnvironmentAwareCommand.execute(EnvironmentAwareCommand.java:86)
at org.elasticsearch.cli.Command.mainWithoutErrorHandling(Command.java:124)
at org.elasticsearch.cli.MultiCommand.execute(MultiCommand.java:79)
at org.elasticsearch.cli.Command.mainWithoutErrorHandling(Command.java:124)
at org.elasticsearch.cli.Command.main(Command.java:90)
at org.elasticsearch.plugins.PluginCli.main(PluginCli.java:48)
The command '/bin/sh -c /usr/share/elasticsearch/bin/elasticsearch-plugin install --batch repository-s3' returned a non-zero code: 1当我试图在运行的es实例上安装插件时,也会发生同样的情况。
我可以向elasticsearch用户做一些操作,并再次运行该命令,结果仍然是相同的问题:
环境似乎缺少以下变量,因为当我用ARG在Dockerfile中添加它们时,它似乎完成了图像(当然,这些值是硬编码的,但只是为了证明这一点):
MINIMUM_MASTER_NODES
HTTP_PORT
NODE_DATA
NODE_MASTER
NODE_NAME
TRANSPORT_PORT我不知道我在这整个故事里遗漏了什么。
发布于 2018-09-17 23:10:56
插件安装程序期望这些变量被设置或从配置中读取。这些都是你的Elasticsearch吐露的参数。哪个是您的elasticsearch.yml、jvm.options和log4j2.properties文件所在的目录?你可以试试:
ES_PATH_CONF=/path/to/my/config /usr/share/elasticsearch/bin/elasticsearch-plugin install --batch repository-s3ENV关键字添加这些参数。Dockerfile:
从gcr.io/google_containers/elasticsearch:v6.3.0 ENV MINIMUM_MASTER_NODES= ENV HTTP_PORT= ENV NODE_DATA= ENV NODE_MASTER= NODE_NAME= ENV TRANSPORT_PORT=运行MINIMUM_MASTER_NODES=安装-批存储库-S3发布于 2018-09-18 20:10:09
按照下面的方式配置Dockerfile就可以了。拥有ARG而不是ENV是很重要的,因为ARG只在构建时使用。在运行时,是elasticsearch提供了环境变量,因此我们不必担心这个问题。
FROM gcr.io/google_containers/elasticsearch:v6.3.0
ARG MINIMUM_MASTER_NODES=${MINIMUM_MASTER_NODES}
ARG HTTP_PORT=${HTTP_PORT}
ARG NODE_DATA=${NODE_DATA}
ARG NODE_MASTER=${NODE_MASTER}
ARG NODE_NAME=${NODE_NAME}
ARG TRANSPORT_PORT=${TRANSPORT_PORT}
RUN su elasticsearch -c "/usr/share/elasticsearch/bin/elasticsearch-plugin install --batch repository-s3"https://stackoverflow.com/questions/52375960
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