Isolating service issues in a microservice architecture

A computer program product comprising:

• a computer readable storage medium readable by one or more processors and storing instructions for execution by the one or more processors for performing a method comprising:
• obtaining, by the one or more processors, a notification of a fault in an information service comprising multiple microservices, wherein the notification comprises logs tracking execution of the information service in a shared computing environment;
• generating, by the one or more processors, a dependency data structure describing interdependencies between individual microservices of the multiple microservices with respect to each other, wherein the generating comprises:
• analyzing, by the one or more processors, the logs to locate a transaction that generated the fault, where the transaction comprises an interaction between some of the multiple microservices;
• identifying, by the one or more processors, in the interaction, a source microservice and one or more destination microservices;
• and
• generating, by the one or more processors, the dependency data structure, wherein the dependency data structure comprises representations of the source microservice and the one or more destination microservices and the interdependencies, wherein the interdependencies comprise interdependencies between the source microservice and the one or more destination microservices;
• mitigating, by the one or more processors, the fault by replacing a faulty microservice in the microservices represented in the dependency data structure,
• wherein the faulty microservice comprises program code that includes an issue resulting in the fault, the mitigating comprising:
• continuously monitoring, by the one or more processors, the information service, to obtain notifications of the fault;
• and
• progressively replacing, by the one or more processors, in accordance with the interdependencies in the dependency data structure, each microservice represented in the dependency data structure with an earlier version of the microservice;
• and
• halting, by the one or more processors, the progressively replacing, when no notification for the fault is obtained, via the monitoring, subsequent to a replacement of a given microservice, wherein the given microservice is the faulty microservice.

A system comprising:

• one or more memories;
• one or more processors in communication with the one or more memories;
• program instructions executable by the one or more processors via the one or more memories to perform a method, the method comprising:
• obtaining, by the one or more processors, a notification of a fault in an information service comprising multiple microservices, wherein the notification comprises logs tracking execution of the information service in a shared computing environment;
• generating, by the one or more processors, a dependency data structure describing interdependencies between individual microservices of the multiple microservices with respect to each other, wherein the generating comprises:
• analyzing, by the one or more processors, the logs to locate a transaction that generated the fault, where the transaction comprises an interaction between some of the multiple microservices;
• identifying, by the one or more processors, in the interaction, a source microservice and one or more destination microservices;
• and
• generating, by the one or more processors, the dependency data structure, wherein the dependency data structure comprises representations of the source microservice and the one or more destination microservices and the interdependencies, wherein the interdependencies comprise interdependencies between the source microservice and the one or more destination microservices;
• mitigating, by the one or more processors, the fault by replacing a faulty microservice in the microservices represented in the dependency data structure, wherein the faulty microservice comprises program code that includes an issue resulting in the fault, the mitigating comprising:
• continuously monitoring, by the one or more processors, the information service, to obtain notifications of the fault;
• and
• progressively replacing, by the one or more processors, in accordance with the interdependencies in the dependency data structure, each microservice represented in the dependency data structure with an earlier version of the microservice;
• and
• halting, by the one or more processors, the progressively replacing, when no notification for the fault is obtained, via the monitoring, subsequent to a replacement of a given microservice, wherein the given microservice is the faulty microservice.