Catch ApolloHttpException when fetching vulnerabilities

We have experienced in production that the apollo client fails
to fetch vulnerabilities, which results in the application becoming
stagnant. In these cases, we simply want the application to continue,
hoping that vulnerabilities will be fetched successfully on the next
loop.

Author: hermanwh

src/main/kotlin/no/digipost/github/monitoring/GithubGraphql.kt

@@ -4,6 +4,7 @@ import com.apollographql.apollo3.ApolloCall
 import com.apollographql.apollo3.ApolloClient
 import com.apollographql.apollo3.api.ApolloResponse
 import com.apollographql.apollo3.api.Optional
+import com.apollographql.apollo3.exception.ApolloHttpException
 import com.github.graphql.client.GetVulnerabilityAlertsForRepoQuery
 import com.github.graphql.client.QueryRepositoriesQuery
 import kotlinx.coroutines.channels.Channel
@@ -47,12 +48,16 @@ fun fetchAllReposWithVulnerabilities(apolloClient: ApolloClient, githubApiClient
                 repositories.add(r)
 
                 launch {
-                    val vulnerabilities = getVulnerabilitiesForRepo(apolloClient, r.name)
-                    if (vulnerabilities.isNotEmpty()) {
-                        r.copy(vulnerabilities = vulnerabilities).let {
-                            logger.info("{} sårbarheter i {}", vulnerabilities.size, r.name)
-                            vulnRepositories[it.name] = vulnerabilities
+                    try {
+                        val vulnerabilities = getVulnerabilitiesForRepo(apolloClient, r.name)
+                        if (vulnerabilities.isNotEmpty()) {
+                            r.copy(vulnerabilities = vulnerabilities).let {
+                                logger.info("{} sårbarheter i {}", vulnerabilities.size, r.name)
+                                vulnRepositories[it.name] = vulnerabilities
+                            }
                         }
+                    } catch (e: ApolloHttpException) {
+                        logger.warn("ApolloHttpException ved henting av sårbarheter for repo {}", r.name, e)
                     }
                 }