Kungiyar ci gaban Kubernetes ya fito kwanan nan ta hanyar sanarwa sakin sabon sigar "Kubernetes 1.18" wanda ƙungiyar ci gaba ta ambata cewa yana da sigar 'dacewa kuma an gama'.
A cikin wannan sabon sigar an yi gagarumin aiki don inganta beta da daidaitaccen aiki tabbatar da a mafi kyawun kwarewar mai amfani. Anyi ƙoƙari iri ɗaya don ƙara sabbin abubuwan ci gaba da sabbin abubuwa masu kayatarwa waɗanda ke alƙawarin inganta ƙwarewar mai amfani.
Ga wadanda basu sani ba Kubernetes, ya kamata su san hakan tsarin bude hanya ne don sarrafa kansa aiwatarwa, tacewa da kuma kula da aikace-aikacen kwantena.
Yayi Google ne ya tsara shi, kodayake daga baya an damƙa aminta da Open Source Cloud Computing Foundation (CNCF), wanda a yau ya ba da damar fasahar ƙwanƙwasa kayan kwalliya su yi girma cikin sauri, saboda gudummawar manyan ƙwararrun masu fasahar.
Menene sabo a Kubernetes 1.18?
Wannan sabon sigar ya fito fili domin samun ikon amfani da alamun asusun sabis azaman hanyar tabbatarwa gaba daya. Misali, idan kuna son kwafsa don gudanar da wasu albarkatun Kubernetes, kamar turawa ko sabis, ana iya haɗa shi da asusun sabis kuma ƙirƙirar matsayin da ake buƙata da ɗaurin matsayi.
Asusun sabis na Kubernetes (KSAs) ya aika alamun JSON na yanar gizo (JWT) zuwa sabar API don tabbatarwa. Wannan ya sa uwar garken API shine asalin tushen tabbatarwa don asusun sabis.
Kubernetes 1.18pyana samar da aiki que damar uwar garken API don samar da takaddun binciken OpenID Connect A dauke da mabuɗan jama'a na alamar ban da sauran metadata.
Wani canji wanda yayi fice daga Kubernetes 1.81 shine ikon daidaita HPA Velocity don takamaiman faifai. An yi amfani da Horizontal Pod Autoscaler (HPA)a don ba da damar tarin Kubernetes don ta atomatik amsa ga babban / ƙaramin zirga-zirga. Tare da HPA, mai amfani na iya tambayar mai sarrafawa don ƙirƙirar ƙarin kayayyaki don amsawa ga spikes na CPU, wasu ma'aunai, ko ma'aunin da aikace-aikacen ya bayar.
Kubernetes 1.18 yana da bayyani na bayanan martaba don gudanar da daidaitawa da yawa na mai tsarawa. Gabaɗaya, akwai nau'ikan nau'ikan aiki guda biyu a Kubernetes: sabis na dogon lokaci (alal misali, sabar yanar gizo, APIs, da sauransu) da kuma ayyukan da ke gudana har zuwa ƙarshe (wanda aka fi sani da suna Jobs).
Saboda bambance-bambancen da ke bayyane tsakanin nau'ikan nauyin aiki, wasu masu amfani suna komawa ƙirƙirar cikakkun gungu don buƙatu daban-daban. Misali, wani rukuni don gudanar da aikin haƙa bayanai da kuma wani don yiwa API ɗin aikace-aikacen aiki.
Dalilin kuwa shine suna buƙatar tsarin yanke hukunci ya banbanta. Misali, saitunan mai tsara tsoho suna haɓaka babban wadatar.
A gefe guda, zamu iya samun ikon iya bayyana dokar watsa shirye-shiryen watsa shirye-shirye a matakin tari, mece ya sa ya yiwu don tabbatar da cewa za'a tsara kwalaye a cikin Yankunan Samun (idan har kuna amfani da rukunin yanki da yawa) don tabbatar da iyakar wadatarwa da amfani da albarkatu.
Aikin yana ba da damar keɓancewa na topologySpreadConstraints, wanda ke gano yankuna ta hanyar bincika ƙugiyoyi tare da alamar topologyKey iri ɗaya. Nodes tare da wannan alama ta TopologyKey ɗaya ce ta yanki ɗaya. Abubuwan da aka tsara shine don rarraba kwasfan ko'ina a cikin yankuna daban-daban. Koyaya, maɓallin ƙasa shine cewa dole ne a yi amfani da wannan saitin a matakin kwafsa. Pods waɗanda ba su da sanyi ba za a rarraba su ko'ina a cikin ƙananan laifofi ba.
Arshe amma ba mafi ƙaranci ba, Hakanan zamu iya samun ikon yin watsi da canji a cikin dukiyar ƙara. Ta hanyar tsoho, lokacin da aka ɗora ƙara a cikin akwati a kan tarin Kubernetes, duk fayiloli da kundayen adireshi a cikin wannan jujjuya an canza dukiyoyinsu zuwa ƙimar da aka bayar ta hanyar fsGroup.
Duk wannan don bawa fsGroup damar karantawa da rubuta ƙara. Koyaya, wannan halin an nuna maras kyau a wasu yanayi.
Wannan sabuwar sigar ta Kubernetes ya zo tare da canje-canje da yawa, kuma mun ambaci kaɗan daga cikin mahimman mahimmanci. Idan kana son sanin cikakken jerin zaka iya yi ta ziyartar bin hanyar haɗi.