Creating a Kubernetes Service in Java -

-

i using fabric8.io orchestrate application containers in kubernetes. looking create service manages pod label on port. there specific example of api this. couldnt find in examples

https://github.com/fabric8io/kubernetes-client/blob/master/kubernetes-examples/src/main/java/io/fabric8/kubernetes/examples/fullexample.java#l75

there dont seem javadocs available???

fabric8's kubernetes client using generated model , dsl has exact same structure as json , yaml configuration.

so in order create service instance looks like:

 {    "kind": "service",    "apiversion": "v1",    "metadata": {        "name": "myservice"    },    "spec": {        "ports": [            {               "protocol": "tcp",               "port": 80,               "targetport": 8080,           }       ],       "selector": {           "key": "value1",       },¬       "portalip": "172.30.234.134",       "type": "clusterip",   }

}

you can use following code:

service service = new servicebuilder()           .withnewmetadata()               .withname("myservice")           .endmetadata()           .withnewspec()             .addnewport()               .withprotocol("tcp")               .withport(80)               .withnewtargetport(8080)             .endport()             .addtoselector("key1", "value1")             .withportalip("172.30.234.134")             .withtype("clusterip")           .endspec()           .build();

if don't need hold reference of service object , want create it, can inline like:

client.services().createnew()           .withnewmetadata()               .withname("myservice")           .endmetadata()           .withnewspec()             .addnewport()               .withprotocol("tcp")               .withport(80)               .withnewtargetport(8080)             .endport()             .addtoselector("key1", "value1")             .withportalip("172.30.234.134")             .withtype("clusterip")           .endspec()           .done();

it's more compact json equivalent, because default value can committed , stuff selector can optionally inlined in single line.

this not applies service, every-single kubernetes/openshift resource.

if have json or yaml in place can load them providing input stream client:

service service = client.services().load(inputstream).get();

there more options here, directly creating service:

service newservice = client.services().load(inputstream).create();

it's remember structure same regardless of lang, format. pretty can inlined, tab completion in ide can really helpful.


Comments

Post a Comment

Popular posts from this blog

javascript - Chart.js (Radar Chart) different scaleLineColor for each scaleLine -

-
Image
i try , create radar chart using chart.js has various colours each scaleline, or coloured between scalelines. wondering if possible? from: to: i have working graph, though there doesn't seem method change individual scale lines. kind regards leigh you can extend radar chart type this, so chart.types.radar.extend({ name: "radaralt", initialize: function (data) { chart.types.radar.prototype.initialize.apply(this, arguments); var originalscaledraw = this.scale.draw; var ctx = this.chart.ctx; this.scale.draw = function () { var linewidth = this.linewidth; // bypasses line drawing in originalscaledraw this.linewidth = linewidth; originalscaledraw.apply(this, arguments); ctx.linewidth = this.linewidth; var scale = this; // draw chart.helpers.each(scale.ylabels, function (label, index) { // color of ...
Read more

apache - Error with PHP mail(): Multiple or malformed newlines found in additional_header -

-
suddenly have started receiving above error without changes having been made script. host 1and1 (i know...) the script still works fine on different server, , suspicion there must have been server config change has lead this, although hosts plead ignorance. there's no information on above error @ in google can find - have ideas? server running apache if helps. had similar problem. came out of blue. no php code changed. what changed: php upgraded 5.5.25-1 5.5.26. a security risk in php mail() function has been fixed , newlines in additional_headers allowed no more. because newlines mean: starts email message (and surely don't want inject newlines through headers followed evil message). what have worked fine, e.g. having newlines after headers or passing whole message additional_headers , function no more. solution : sanitize headers. no multiple newlines in additional_headers argument. these count "multiple or malformed newlines":...
Read more

java - Android – MapFragment overlay button shadow, just like MyLocation button -

-
Image
i'm struggling add shadow custom overlay button on google map. goal make custom button google's mylocation button. here's how app looks now: layout.xml <relativelayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" xmlns:map="http://schemas.android.com/apk/res-auto" android:layout_height="match_parent" android:layout_width="match_parent" style="@style/apptheme"> <fragment android:layout_width="match_parent" android:layout_height="match_parent" android:id="@+id/map" tools:context=".mapsactivity" android:name="com.google.android.gms.maps.supportmapfragment" android:layout_alignparentend="true" android:layout_alignparentstart="true" android:layout_alignparentbottom="true" ...
Read more