Automatically detect when the ES operator is available

[jpkrohling]

Closes #238.

Signed-off-by: Juraci Paixão Kröhling juraci@kroehling.de

[jpkrohling]

This change is 

[codecov]

Codecov Report

Merging #239 into master will decrease coverage by 0.15%.
The diff coverage is 22.22%.

@@            Coverage Diff             @@
##           master     #239      +/-   ##
==========================================
- Coverage   89.85%   89.69%   -0.16%     
==========================================
  Files          62       62              
  Lines        2710     2717       +7     
==========================================
+ Hits         2435     2437       +2     
- Misses        177      181       +4     
- Partials       98       99       +1

Impacted Files	Coverage Δ
pkg/apis/io/v1alpha1/jaeger_types.go	100% <ø> (ø)	⬆️
pkg/controller/jaeger/jaeger_controller.go	33.33% <22.22%> (-0.47%)	⬇️

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[pavolloffay]

Make sure to instruct people integrating with OLM to use "FlagProvisionElasticsearchTrue" when installing the operator

[jpkrohling]

Tests are now passing again:

$ make test
Running unit tests...
?   	github.com/jaegertracing/jaeger-operator/cmd	[no test files]
?   	github.com/jaegertracing/jaeger-operator/cmd/manager	[no test files]
ok  	github.com/jaegertracing/jaeger-operator/pkg/account	0.049s	coverage: 100.0% of statements
?   	github.com/jaegertracing/jaeger-operator/pkg/apis	[no test files]
ok  	github.com/jaegertracing/jaeger-operator/pkg/apis/io/v1alpha1	0.022s	coverage: 15.7% of statements
?   	github.com/jaegertracing/jaeger-operator/pkg/cmd/start	[no test files]
?   	github.com/jaegertracing/jaeger-operator/pkg/cmd/version	[no test files]
ok  	github.com/jaegertracing/jaeger-operator/pkg/config/sampling	0.015s	coverage: 94.1% of statements
ok  	github.com/jaegertracing/jaeger-operator/pkg/config/ui	0.048s	coverage: 94.1% of statements
?   	github.com/jaegertracing/jaeger-operator/pkg/controller	[no test files]
?   	github.com/jaegertracing/jaeger-operator/pkg/controller/deployment	[no test files]
ok  	github.com/jaegertracing/jaeger-operator/pkg/controller/jaeger	2.190s	coverage: 73.1% of statements
ok  	github.com/jaegertracing/jaeger-operator/pkg/cronjob	0.050s	coverage: 94.4% of statements
ok  	github.com/jaegertracing/jaeger-operator/pkg/deployment	0.027s	coverage: 100.0% of statements
ok  	github.com/jaegertracing/jaeger-operator/pkg/ingress	0.041s	coverage: 100.0% of statements
ok  	github.com/jaegertracing/jaeger-operator/pkg/inject	0.013s	coverage: 100.0% of statements
ok  	github.com/jaegertracing/jaeger-operator/pkg/inventory	0.052s	coverage: 91.8% of statements
ok  	github.com/jaegertracing/jaeger-operator/pkg/route	0.025s	coverage: 100.0% of statements
ok  	github.com/jaegertracing/jaeger-operator/pkg/service	0.024s	coverage: 100.0% of statements
ok  	github.com/jaegertracing/jaeger-operator/pkg/storage	0.510s	coverage: 94.5% of statements
?   	github.com/jaegertracing/jaeger-operator/pkg/storage/elasticsearch/v1alpha1	[no test files]
ok  	github.com/jaegertracing/jaeger-operator/pkg/strategy	0.016s	coverage: 91.8% of statements
ok  	github.com/jaegertracing/jaeger-operator/pkg/util	0.006s	coverage: 100.0% of statements
?   	github.com/jaegertracing/jaeger-operator/pkg/version	[no test files]
Formatting code...
Building...
Sending build context to Docker daemon  131.5MB
Step 1/6 : FROM centos
 ---> 1e1148e4cc2c
Step 2/6 : RUN INSTALL_PKGS="       openssl       " &&     yum install -y $INSTALL_PKGS &&     rpm -V $INSTALL_PKGS &&     yum clean all &&     mkdir /tmp/_working_dir &&     chmod og+w /tmp/_working_dir
 ---> Using cache
 ---> 82728e7bfc7b
Step 3/6 : COPY scripts/* /scripts/
 ---> Using cache
 ---> 42400106dc1c
Step 4/6 : USER nobody
 ---> Using cache
 ---> a590f9fcf745
Step 5/6 : ADD build/_output/bin/jaeger-operator /usr/local/bin/jaeger-operator
 ---> ddd6a9aee680
Step 6/6 : ENTRYPOINT ["/usr/local/bin/jaeger-operator"]
 ---> Running in a94737220a06
Removing intermediate container a94737220a06
 ---> 79fae476252a
Successfully built 79fae476252a
Successfully tagged jpkroehling/jaeger-operator:latest
Pushing image jpkroehling/jaeger-operator:latest...
Running end-to-end tests...
ok  	github.com/jaegertracing/jaeger-operator/test/e2e	292.453s