{"id":52465,"date":"2019-11-09T00:00:00","date_gmt":"2019-11-08T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/chto-nuzhno-znat-o-red-hat-openshift-service-mesh"},"modified":"2020-02-18T14:00:10","modified_gmt":"2020-02-18T11:00:10","slug":"chto-nuzhno-znat-o-red-hat-openshift-service-mesh","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/administrirovanie\/chto-nuzhno-znat-o-red-hat-openshift-service-mesh","title":{"rendered":"Co pot\u0159ebujete v\u011bd\u011bt o Red Hat OpenShift Service Mesh","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

P\u0159echod na Kubernetes a Linuxov\u00e9 infrastruktury v r\u00e1mci digit\u00e1ln\u00ed transformace organizac\u00ed zp\u016fsobuje, \u017ee aplikace se \u010d\u00edm d\u00e1l \u010dast\u011bji za\u010d\u00ednaj\u00ed stav\u011bt na z\u00e1klad\u011b mikroslu\u017ebov\u00e9 architektury a, jak je d\u016fsledkem, velmi \u010dasto vznikaj\u00ed slo\u017eit\u00e9 sch\u00e9mata sm\u011brov\u00e1n\u00ed po\u017eadavk\u016f mezi slu\u017ebami.<\/p>\n

\"Co
\n
\nV Red Hat OpenShift Service Mesh jdeme nad r\u00e1mec tradi\u010dn\u00edho sm\u011brov\u00e1n\u00ed a nab\u00edz\u00edme komponenty pro trasov\u00e1n\u00ed a vizualizaci takov\u00fdch po\u017eadavk\u016f, abychom usnadnili spolupr\u00e1ci slu\u017eeb. Zaveden\u00ed speci\u00e1ln\u00ed logick\u00e9 \u00farovn\u011b \u0159\u00edzen\u00ed, tzv. servisn\u00ed s\u00edt\u011b, service mesh<\/a><\/noindex>, pom\u00e1h\u00e1 zjednodu\u0161it p\u0159ipojen\u00ed, kontrolu a operativn\u00ed spr\u00e1vu na \u00farovni ka\u017ed\u00e9 jednotliv\u00e9 aplikace nasazen\u00e9 na Red Hat OpenShift, vedouc\u00ed platform\u011b Kubernetes podnikov\u00e9 t\u0159\u00eddy.
\n<\/a><\/noindex>
\nRed Hat OpenShift Service Mesh je nab\u00edzen jako speci\u00e1ln\u00ed Kubernetes operator, jeho\u017e mo\u017enosti si m\u016f\u017eete vyzkou\u0161et v Red Hat OpenShift 4. zde<\/a><\/noindex>.<\/p>\n

Vylep\u0161en\u00e9 trasov\u00e1n\u00ed, sm\u011brov\u00e1n\u00ed a optimalizace komunikac\u00ed na \u00farovni aplikac\u00ed a slu\u017eeb.<\/h3>\n

\nPou\u017e\u00edv\u00e1n\u00edm pouze hardwarov\u00fdch vyrovn\u00e1va\u010d\u016f zat\u00ed\u017een\u00ed, specializovan\u00e9ho s\u00ed\u0165ov\u00e9ho vybaven\u00ed a dal\u0161\u00edch podobn\u00fdch \u0159e\u0161en\u00ed, kter\u00e1 se stala normou v modern\u00edch IT prost\u0159ed\u00edch, je velmi obt\u00ed\u017en\u00e9, a n\u011bkdy dokonce nemo\u017en\u00e9, konzistentn\u011b a jednotn\u011b regulovat a \u0159\u00eddit komunikaci na \u00farovni \"service-to-service\", kter\u00e1 vznik\u00e1 mezi aplikacemi a jejich slu\u017ebami. S p\u0159\u00edchodem dal\u0161\u00ed \u00farovn\u011b \u0159\u00edzen\u00ed service mesh mohou kontejnerizovan\u00e9 aplikace l\u00e9pe sledovat, sm\u011brovat a optimalizovat svou komunikaci s Kubernetes jako j\u00e1drem platformy. Service mesh pom\u00e1h\u00e1 zjednodu\u0161it spr\u00e1vu hybridn\u00edch z\u00e1t\u011b\u017e\u00ed v p\u0159\u00edpad\u011b v\u00edce lokalit a l\u00e9pe kontrolovat um\u00edst\u011bn\u00ed dat. D\u00edky uvoln\u011bn\u00ed OpenShift Service Mesh douf\u00e1me, \u017ee tento d\u016fle\u017eit\u00fd komponent tech stacku mikroslu\u017eeb roz\u0161\u00ed\u0159\u00ed mo\u017enosti organizac\u00ed p\u0159i realizaci multi-cloudov\u00fdch a hybridn\u00edch strategi\u00ed.<\/p>\n

OpenShift Service Mesh je postaven na n\u011bkolika open-source projektech, jako jsou Istio, Kiali a Jaeger, a poskytuje mo\u017enost naprogramovat komunika\u010dn\u00ed logiku v r\u00e1mci architektury mikroservisn\u00edch aplikac\u00ed. D\u00edky tomu se v\u00fdvojov\u00e9 t\u00fdmy mohou pln\u011b soust\u0159edit na v\u00fdvoj aplikac\u00ed a slu\u017eeb, kter\u00e9 \u0159e\u0161\u00ed obchodn\u00ed \u00fakoly.<\/p>\n

Usnadn\u011bn\u00ed \u017eivota v\u00fdvoj\u00e1\u0159\u016fm<\/h3>\n

\nJak jsme ji\u017e psali<\/a><\/noindex>, p\u0159ed p\u0159\u00edchodem service mesh na v\u00fdvoj\u00e1\u0159e aplikac\u00ed le\u017eela obrovsk\u00e1 \u010d\u00e1st pr\u00e1ce na spr\u00e1v\u011b slo\u017eit\u00fdch interakc\u00ed mezi slu\u017ebami. V t\u011bchto podm\u00ednk\u00e1ch pot\u0159ebuj\u00ed kompletn\u00ed sadu n\u00e1stroj\u016f pro spr\u00e1vu \u017eivotn\u00edho cyklu aplikace, po\u010d\u00ednaje kontrolou v\u00fdsledk\u016f nasazen\u00ed k\u00f3du a kon\u010de spr\u00e1vou aplikac\u00ed v produkci. Pro \u00fasp\u011b\u0161n\u00fd provoz aplikace mus\u00ed v\u0161echny jej\u00ed slu\u017eby spr\u00e1vn\u011b spolupracovat. Sledov\u00e1n\u00ed umo\u017e\u0148uje v\u00fdvoj\u00e1\u0159i zjistit, jak ka\u017ed\u00e1 slu\u017eba interaguje s ostatn\u00edmi funkcemi, a pom\u00e1h\u00e1 odhalit \u00fazk\u00e1 m\u00edsta, kter\u00e1 zp\u016fsobuj\u00ed zbyte\u010dn\u00e9 zpo\u017ed\u011bn\u00ed v re\u00e1ln\u00e9m provozu.<\/p>\n

Mo\u017enost vizualizovat vztahy mezi v\u0161emi slu\u017ebami a vid\u011bt topologii interakce tak\u00e9 pom\u00e1h\u00e1 l\u00e9pe pochopit slo\u017eit\u00fd obraz mezo-servisn\u00edch vztah\u016f. Spojen\u00edm t\u011bchto u\u017eite\u010dn\u00fdch funkc\u00ed v r\u00e1mci OpenShift Service Mesh vych\u00e1z\u00ed Red Hat vst\u0159\u00edc v\u00fdvoj\u00e1\u0159\u016fm roz\u0161\u00ed\u0159enou sadou n\u00e1stroj\u016f nezbytn\u00fdch pro \u00fasp\u011b\u0161n\u00fd v\u00fdvoj a nasazen\u00ed cloudov\u00fdch mikroservis\u016f.<\/p>\n

Pro usnadn\u011bn\u00ed vytvo\u0159en\u00ed service mesh na\u0161e \u0159e\u0161en\u00ed umo\u017e\u0148uje snadno realizovat tuto \u00farove\u0148 spr\u00e1vy v r\u00e1mci ji\u017e existuj\u00edc\u00ed instance OpenShift pomoc\u00ed p\u0159\u00edslu\u0161n\u00e9ho Kubernetes oper\u00e1tora. Tento oper\u00e1tor p\u0159eb\u00edr\u00e1 \u00fakoly instalace, s\u00ed\u0165ov\u00e9 integrace a provozn\u00edho \u0159\u00edzen\u00ed v\u0161ech pot\u0159ebn\u00fdch komponent\u016f, co\u017e umo\u017e\u0148uje okam\u017eit\u011b za\u010d\u00edt pou\u017e\u00edvat pr\u00e1v\u011b vytvo\u0159enou s\u00ed\u0165 service mesh pro nasazen\u00ed re\u00e1ln\u00fdch aplikac\u00ed.<\/p>\n

Sn\u00ed\u017een\u00ed pracovn\u00edch n\u00e1klad\u016f na implementaci a spr\u00e1vu service mesh umo\u017e\u0148uje rychlej\u0161\u00ed vytv\u00e1\u0159en\u00ed a testov\u00e1n\u00ed aplikac\u00ed, ani\u017e byste ztratili kontrolu nad situac\u00ed, jak se vyv\u00edjej\u00ed. Pro\u010d \u010dekat, a\u017e se spr\u00e1va mezi slu\u017ebami stane skute\u010dn\u00fdm probl\u00e9mem? OpenShift Service Mesh snadno poskytne pot\u0159ebnou \u0161k\u00e1lovatelnost d\u0159\u00edve, ne\u017e ji skute\u010dn\u011b pot\u0159ebujete.<\/p>\n

Seznam v\u00fdhod, kter\u00e9 OpenShift Service Mesh p\u0159in\u00e1\u0161\u00ed u\u017eivatel\u016fm OpenShift, zahrnuje:<\/p>\n