bumping Crystal & KCE ver, better error msg

Signed-off-by: Anastas Dancha <anapsix@random.io>

Author: anapsix

CHANGELOG.md

@@ -8,6 +8,15 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ## [Unreleased]
 
 
+## [0.4.1] - 2021-06-10
+### Changed
+- using newer version of Crystal
+- bumped to KCE v0.6.1
+
+### Fixed
+- log user-friendly error when requested context is not found in KUBECONFIG
+
+
 ## [0.4.0] - 2021-02-17
 ### Added
 - `CHANGELOG.md`

Dockerfile

@@ -1,14 +1,18 @@
 ## this stage installs everything required to build the project
 FROM alpine:3.13 as build
-RUN apk add --no-cache musl-dev yaml-static crystal shards upx
+RUN apk add --no-cache musl-dev yaml-static upx && \
+    apk add --repository=http://dl-cdn.alpinelinux.org/alpine/edge/main \
+      llvm11-libs && \
+    apk add --repository=http://dl-cdn.alpinelinux.org/alpine/edge/community \
+      crystal shards
 WORKDIR /tmp
 COPY VERSION .
 COPY shard.yml .
 COPY k8s-vault_example.yaml .
 COPY k8s-vault-completion.bash .
 COPY ./src ./src
 RUN \
-    shards install --production && \
+    shards install && \
     crystal build --progress --release --static src/cli.cr -o /tmp/k8s-vault && \
     upx /tmp/k8s-vault && \
     echo >&2 "## Version check: $(/tmp/k8s-vault -v)" && \

VERSION

@@ -1 +1 @@
-0.4.0
+0.4.1

k8s-vault_example.yaml

@@ -1,4 +1,4 @@
-version: "0.4.0"
+version: "0.4.1"
 k8s_api_timeout: 5 # in seconds
 ssh_forwarding_port:
   random: true

shard.yml

@@ -1,5 +1,5 @@
 name: k8s-vault
-version: 0.4.0
+version: 0.4.1
 
 description: |
   k8s-vault makes it easy to reach K8s API via jumphost, using SSH port forwarding.
@@ -8,7 +8,7 @@ dependencies:
   kce:
     # path: ../kce.cr
     github: anapsix/kce.cr
-    version: ~> 0.6.0
+    version: '~> 0.6'
 
 authors:
   - Anastas Dancha <anapsix@random.io>
@@ -17,5 +17,5 @@ targets:
   k8s-vault:
     main: src/cli.cr
 
-crystal: ~> 0.36.1
+crystal: '>= 0.36.1'
 license: MIT

src/k8s-vault.cr

@@ -280,6 +280,10 @@ module K8sVault
       K8sVault::Log.error "unable to parse config file at #{K8sVault::K8SVAULT_CONFIG}"
       cleanup
       exit 1
+    rescue KCE::Exceptions::ContextMissingError
+      K8sVault::Log.error "\"#{kubecontext}\" context is not found in KUBECONFIG (#{K8sVault::KUBECONFIG})"
+      cleanup
+      exit 1
     rescue ex
       K8sVault::Log.debug "#{ex.message} (#{ex.class})"
       K8sVault::Log.error "unexpected error"