我有一个带有以下内容的yaml文件:
apiVersion: v1
kind: ConfigMap
metadata:
name: castlereport-cfg
namespace: qa
data:
application.properties: |
BODY
我需要用application.properties文件内容替换身体。我已经使用sed做到了:
sed -i -e '/BODY/r target/classes/application-dev.properties' -e 's///' -e '/^ *$/d' target/classes/$kubeConfigFile
它可以做我需要的事情,但失去了凹痕,我得到的就是这样:
apiVersion: v1
kind: ConfigMap
metadata:
name: castlereport-cfg
namespace: qa
data:
application.properties: |
server.port=8080
server.context-path=/
spring.main.banner-mode=off
logbook.format.style=http
我该怎么做才能保持凹痕?
还有 -e '/^ *$/d'
在sed命令中部分删除空白行的另一件事,但似乎也行不通。
预期输出如下:
apiVersion: v1
kind: ConfigMap
metadata:
name: castlereport-cfg
namespace: qa
data:
application.properties: |
server.port=8080
server.context-path=/
spring.main.banner-mode=off
logbook.format.style=http
更新:我有一个Jenkins管道脚本,可以在以下三行中实现我想要的东西:
sh ( script : "sed -i -e 's/^[ t$]*/ /' -e "/^ *$/d" ./target/classes/"+configFile, returnStdout: true).trim() //remove trailing spaces and blank lines
sh ( script : "sed -i -e "/BODY/r ./target/classes/"+configFile+"" -e "s///" ./target/classes/" + configMapKubernetes, returnStdout: true).trim() // insert content of application-dev.properties to YAML file using BODY
sh ( script : "sed -i -e "/^ *$/d" ./target/classes/" + configMapKubernetes, returnStdout: true).trim() //remove blank lines
管道脚本在Groovy中,因此整个命令都在双引号内。
sed用于在单个字符串上进行简单的s/old/new ,即全部。这个尴尬脚本可能是您想要的:
$cat tst.awk
NR==FNR {
rec[++numLines] = $0
next
}
s = index($0,"BODY") {
indent = sprintf("%*s",s-1,"")
for (lineNr=1; lineNr<=numLines; lineNr++) {
print indent rec[lineNr]
}
next
}
{ print }
例如,给定以下输入文件:
$ cat foo.yaml
apiVersion: v1
kind: ConfigMap
metadata:
name: castlereport-cfg
namespace: qa
data:
application.properties: |
BODY
$ cat props
here is some text
split across
a few lines
我们可以这样做,它使用YAML文件中的身体凹痕,但也保留了Props File的任何其他缩进:
$ awk -f tst.awk props foo.yaml
apiVersion: v1
kind: ConfigMap
metadata:
name: castlereport-cfg
namespace: qa
data:
application.properties: |
here is some text
split across
a few lines
如果您想忽略props
文件中的凹痕,并将所有道具的文本列在身体开始的位置,这是一个简单的调整:
$ cat tst.awk
NR==FNR {
sub(/^[[:space:]]+/,"")
rec[++numLines] = $0
next
}
s = index($0,"BODY") {
indent = sprintf("%*s",s-1,"")
for (lineNr=1; lineNr<=numLines; lineNr++) {
print indent rec[lineNr]
}
next
}
{ print }
$ awk -f tst.awk props foo.yaml
apiVersion: v1
kind: ConfigMap
metadata:
name: castlereport-cfg
namespace: qa
data:
application.properties: |
here is some text
split across
a few lines
这可能对您有用(gnu sed(:
sed -E 's/^(s*)BODY/sed "/\S/!d;s#^#1#" propertyFile/e' file
此解决方案将包含BODY
的行替换为另一个SED调用,该线将 BODY
词在属性文件中附加到每个行之前的whitespace。空行也从属性文件中删除。如果还要从原始文件中删除空行,请使用:
sed -E '/S/!d;s/^(s*)BODY/sed "/\S/!d;s#^#1#" propertyFile/e' file